diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi')
| -rw-r--r-- | src/gallium/drivers/radeonsi/Makefile.sources | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 1841 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader_internal.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c | 1883 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c | 1 |
5 files changed, 1886 insertions, 1841 deletions
diff --git a/src/gallium/drivers/radeonsi/Makefile.sources b/src/gallium/drivers/radeonsi/Makefile.sources index b4e7fce71e9..626fe6f57ca 100644 --- a/src/gallium/drivers/radeonsi/Makefile.sources +++ b/src/gallium/drivers/radeonsi/Makefile.sources @@ -18,6 +18,7 @@ C_SOURCES := \ si_shader.h \ si_shader_internal.h \ si_shader_tgsi_alu.c \ + si_shader_tgsi_mem.c \ si_shader_tgsi_setup.c \ si_state.c \ si_state_draw.c \ diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 56a86cd1847..a49449b4ef5 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -3328,44 +3328,6 @@ static void si_llvm_return_fs_outputs(struct lp_build_tgsi_context *bld_base) ctx->return_value = ret; } -/** - * Given a v8i32 resource descriptor for a buffer, extract the size of the - * buffer in number of elements and return it as an i32. - */ -static LLVMValueRef get_buffer_size( - struct lp_build_tgsi_context *bld_base, - LLVMValueRef descriptor) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - LLVMValueRef size = - LLVMBuildExtractElement(builder, descriptor, - LLVMConstInt(ctx->i32, 2, 0), ""); - - if (ctx->screen->b.chip_class == VI) { - /* On VI, the descriptor contains the size in bytes, - * but TXQ must return the size in elements. - * The stride is always non-zero for resources using TXQ. - */ - LLVMValueRef stride = - LLVMBuildExtractElement(builder, descriptor, - ctx->i32_1, ""); - stride = LLVMBuildLShr(builder, stride, - LLVMConstInt(ctx->i32, 16, 0), ""); - stride = LLVMBuildAnd(builder, stride, - LLVMConstInt(ctx->i32, 0x3FFF, 0), ""); - - size = LLVMBuildUDiv(builder, size, stride, ""); - } - - return size; -} - -static void build_tex_intrinsic(const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data); - /* Prevent optimizations (at least of memory accesses) across the current * point in the program by emitting empty inline assembly that is marked as * having side effects. @@ -3462,1762 +3424,12 @@ static void clock_emit( LLVMBuildExtractElement(gallivm->builder, tmp, ctx->i32_1, ""); } -static LLVMValueRef -shader_buffer_fetch_rsrc(struct si_shader_context *ctx, - const struct tgsi_full_src_register *reg) -{ - LLVMValueRef index; - LLVMValueRef rsrc_ptr = LLVMGetParam(ctx->main_fn, - ctx->param_shader_buffers); - - if (!reg->Register.Indirect) - index = LLVMConstInt(ctx->i32, reg->Register.Index, 0); - else - index = si_get_bounded_indirect_index(ctx, ®->Indirect, - reg->Register.Index, - SI_NUM_SHADER_BUFFERS); - - return ac_build_indexed_load_const(&ctx->ac, rsrc_ptr, index); -} - -static bool tgsi_is_array_sampler(unsigned target) -{ - return target == TGSI_TEXTURE_1D_ARRAY || - target == TGSI_TEXTURE_SHADOW1D_ARRAY || - target == TGSI_TEXTURE_2D_ARRAY || - target == TGSI_TEXTURE_SHADOW2D_ARRAY || - target == TGSI_TEXTURE_CUBE_ARRAY || - target == TGSI_TEXTURE_SHADOWCUBE_ARRAY || - target == TGSI_TEXTURE_2D_ARRAY_MSAA; -} - -static bool tgsi_is_array_image(unsigned target) -{ - return target == TGSI_TEXTURE_3D || - target == TGSI_TEXTURE_CUBE || - target == TGSI_TEXTURE_1D_ARRAY || - target == TGSI_TEXTURE_2D_ARRAY || - target == TGSI_TEXTURE_CUBE_ARRAY || - target == TGSI_TEXTURE_2D_ARRAY_MSAA; -} - -/** - * Given a 256-bit resource descriptor, force the DCC enable bit to off. - * - * At least on Tonga, executing image stores on images with DCC enabled and - * non-trivial can eventually lead to lockups. This can occur when an - * application binds an image as read-only but then uses a shader that writes - * to it. The OpenGL spec allows almost arbitrarily bad behavior (including - * program termination) in this case, but it doesn't cost much to be a bit - * nicer: disabling DCC in the shader still leads to undefined results but - * avoids the lockup. - */ -static LLVMValueRef force_dcc_off(struct si_shader_context *ctx, - LLVMValueRef rsrc) -{ - if (ctx->screen->b.chip_class <= CIK) { - return rsrc; - } else { - LLVMBuilderRef builder = ctx->gallivm.builder; - LLVMValueRef i32_6 = LLVMConstInt(ctx->i32, 6, 0); - LLVMValueRef i32_C = LLVMConstInt(ctx->i32, C_008F28_COMPRESSION_EN, 0); - LLVMValueRef tmp; - - tmp = LLVMBuildExtractElement(builder, rsrc, i32_6, ""); - tmp = LLVMBuildAnd(builder, tmp, i32_C, ""); - return LLVMBuildInsertElement(builder, rsrc, tmp, i32_6, ""); - } -} - LLVMTypeRef si_const_array(LLVMTypeRef elem_type, int num_elements) { return LLVMPointerType(LLVMArrayType(elem_type, num_elements), CONST_ADDR_SPACE); } -static LLVMValueRef load_image_desc(struct si_shader_context *ctx, - LLVMValueRef list, LLVMValueRef index, - unsigned target) -{ - LLVMBuilderRef builder = ctx->gallivm.builder; - - if (target == TGSI_TEXTURE_BUFFER) { - index = LLVMBuildMul(builder, index, - LLVMConstInt(ctx->i32, 2, 0), ""); - index = LLVMBuildAdd(builder, index, - ctx->i32_1, ""); - list = LLVMBuildPointerCast(builder, list, - si_const_array(ctx->v4i32, 0), ""); - } - - return ac_build_indexed_load_const(&ctx->ac, list, index); -} - -/** - * Load the resource descriptor for \p image. - */ -static void -image_fetch_rsrc( - struct lp_build_tgsi_context *bld_base, - const struct tgsi_full_src_register *image, - bool is_store, unsigned target, - LLVMValueRef *rsrc) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - LLVMValueRef rsrc_ptr = LLVMGetParam(ctx->main_fn, - ctx->param_images); - LLVMValueRef index; - bool dcc_off = is_store; - - assert(image->Register.File == TGSI_FILE_IMAGE); - - if (!image->Register.Indirect) { - const struct tgsi_shader_info *info = bld_base->info; - unsigned images_writemask = info->images_store | - info->images_atomic; - - index = LLVMConstInt(ctx->i32, image->Register.Index, 0); - - if (images_writemask & (1 << image->Register.Index)) - dcc_off = true; - } else { - /* From the GL_ARB_shader_image_load_store extension spec: - * - * If a shader performs an image load, store, or atomic - * operation using an image variable declared as an array, - * and if the index used to select an individual element is - * negative or greater than or equal to the size of the - * array, the results of the operation are undefined but may - * not lead to termination. - */ - index = si_get_bounded_indirect_index(ctx, &image->Indirect, - image->Register.Index, - SI_NUM_IMAGES); - } - - *rsrc = load_image_desc(ctx, rsrc_ptr, index, target); - if (dcc_off && target != TGSI_TEXTURE_BUFFER) - *rsrc = force_dcc_off(ctx, *rsrc); -} - -static LLVMValueRef image_fetch_coords( - struct lp_build_tgsi_context *bld_base, - const struct tgsi_full_instruction *inst, - unsigned src, LLVMValueRef desc) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - unsigned target = inst->Memory.Texture; - unsigned num_coords = tgsi_util_get_texture_coord_dim(target); - LLVMValueRef coords[4]; - LLVMValueRef tmp; - int chan; - - for (chan = 0; chan < num_coords; ++chan) { - tmp = lp_build_emit_fetch(bld_base, inst, src, chan); - tmp = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - coords[chan] = tmp; - } - - if (ctx->screen->b.chip_class >= GFX9) { - /* 1D textures are allocated and used as 2D on GFX9. */ - if (target == TGSI_TEXTURE_1D) { - coords[1] = ctx->i32_0; - num_coords++; - } else if (target == TGSI_TEXTURE_1D_ARRAY) { - coords[2] = coords[1]; - coords[1] = ctx->i32_0; - num_coords++; - } else if (target == TGSI_TEXTURE_2D) { - /* The hw can't bind a slice of a 3D image as a 2D - * image, because it ignores BASE_ARRAY if the target - * is 3D. The workaround is to read BASE_ARRAY and set - * it as the 3rd address operand for all 2D images. - */ - LLVMValueRef first_layer, const5, mask; - - const5 = LLVMConstInt(ctx->i32, 5, 0); - mask = LLVMConstInt(ctx->i32, S_008F24_BASE_ARRAY(~0), 0); - first_layer = LLVMBuildExtractElement(builder, desc, const5, ""); - first_layer = LLVMBuildAnd(builder, first_layer, mask, ""); - - coords[2] = first_layer; - num_coords++; - } - } - - if (num_coords == 1) - return coords[0]; - - if (num_coords == 3) { - /* LLVM has difficulties lowering 3-element vectors. */ - coords[3] = bld_base->uint_bld.undef; - num_coords = 4; - } - - return lp_build_gather_values(gallivm, coords, num_coords); -} - -/** - * Append the extra mode bits that are used by image load and store. - */ -static void image_append_args( - struct si_shader_context *ctx, - struct lp_build_emit_data * emit_data, - unsigned target, - bool atomic, - bool force_glc) -{ - const struct tgsi_full_instruction *inst = emit_data->inst; - LLVMValueRef i1false = LLVMConstInt(ctx->i1, 0, 0); - LLVMValueRef i1true = LLVMConstInt(ctx->i1, 1, 0); - LLVMValueRef r128 = i1false; - LLVMValueRef da = tgsi_is_array_image(target) ? i1true : i1false; - LLVMValueRef glc = - force_glc || - inst->Memory.Qualifier & (TGSI_MEMORY_COHERENT | TGSI_MEMORY_VOLATILE) ? - i1true : i1false; - LLVMValueRef slc = i1false; - LLVMValueRef lwe = i1false; - - if (atomic || (HAVE_LLVM <= 0x0309)) { - emit_data->args[emit_data->arg_count++] = r128; - emit_data->args[emit_data->arg_count++] = da; - if (!atomic) { - emit_data->args[emit_data->arg_count++] = glc; - } - emit_data->args[emit_data->arg_count++] = slc; - return; - } - - /* HAVE_LLVM >= 0x0400 */ - emit_data->args[emit_data->arg_count++] = glc; - emit_data->args[emit_data->arg_count++] = slc; - emit_data->args[emit_data->arg_count++] = lwe; - emit_data->args[emit_data->arg_count++] = da; -} - -/** - * Append the resource and indexing arguments for buffer intrinsics. - * - * \param rsrc the v4i32 buffer resource - * \param index index into the buffer (stride-based) - * \param offset byte offset into the buffer - */ -static void buffer_append_args( - struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data, - LLVMValueRef rsrc, - LLVMValueRef index, - LLVMValueRef offset, - bool atomic, - bool force_glc) -{ - const struct tgsi_full_instruction *inst = emit_data->inst; - LLVMValueRef i1false = LLVMConstInt(ctx->i1, 0, 0); - LLVMValueRef i1true = LLVMConstInt(ctx->i1, 1, 0); - - emit_data->args[emit_data->arg_count++] = rsrc; - emit_data->args[emit_data->arg_count++] = index; /* vindex */ - emit_data->args[emit_data->arg_count++] = offset; /* voffset */ - if (!atomic) { - emit_data->args[emit_data->arg_count++] = - force_glc || - inst->Memory.Qualifier & (TGSI_MEMORY_COHERENT | TGSI_MEMORY_VOLATILE) ? - i1true : i1false; /* glc */ - } - emit_data->args[emit_data->arg_count++] = i1false; /* slc */ -} - -static void load_fetch_args( - struct lp_build_tgsi_context * bld_base, - struct lp_build_emit_data * emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - const struct tgsi_full_instruction * inst = emit_data->inst; - unsigned target = inst->Memory.Texture; - LLVMValueRef rsrc; - - emit_data->dst_type = ctx->v4f32; - - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { - LLVMBuilderRef builder = gallivm->builder; - LLVMValueRef offset; - LLVMValueRef tmp; - - rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]); - - tmp = lp_build_emit_fetch(bld_base, inst, 1, 0); - offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - - buffer_append_args(ctx, emit_data, rsrc, ctx->i32_0, - offset, false, false); - } else if (inst->Src[0].Register.File == TGSI_FILE_IMAGE) { - LLVMValueRef coords; - - image_fetch_rsrc(bld_base, &inst->Src[0], false, target, &rsrc); - coords = image_fetch_coords(bld_base, inst, 1, rsrc); - - if (target == TGSI_TEXTURE_BUFFER) { - buffer_append_args(ctx, emit_data, rsrc, coords, - ctx->i32_0, false, false); - } else { - emit_data->args[0] = coords; - emit_data->args[1] = rsrc; - emit_data->args[2] = LLVMConstInt(ctx->i32, 15, 0); /* dmask */ - emit_data->arg_count = 3; - - image_append_args(ctx, emit_data, target, false, false); - } - } -} - -static unsigned get_load_intr_attribs(bool readonly_memory) -{ - /* READNONE means writes can't affect it, while READONLY means that - * writes can affect it. */ - return readonly_memory && HAVE_LLVM >= 0x0400 ? - LP_FUNC_ATTR_READNONE : - LP_FUNC_ATTR_READONLY; -} - -static unsigned get_store_intr_attribs(bool writeonly_memory) -{ - return writeonly_memory && HAVE_LLVM >= 0x0400 ? - LP_FUNC_ATTR_INACCESSIBLE_MEM_ONLY : - LP_FUNC_ATTR_WRITEONLY; -} - -static void load_emit_buffer(struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data, - bool readonly_memory) -{ - const struct tgsi_full_instruction *inst = emit_data->inst; - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - uint writemask = inst->Dst[0].Register.WriteMask; - uint count = util_last_bit(writemask); - const char *intrinsic_name; - LLVMTypeRef dst_type; - - switch (count) { - case 1: - intrinsic_name = "llvm.amdgcn.buffer.load.f32"; - dst_type = ctx->f32; - break; - case 2: - intrinsic_name = "llvm.amdgcn.buffer.load.v2f32"; - dst_type = LLVMVectorType(ctx->f32, 2); - break; - default: // 3 & 4 - intrinsic_name = "llvm.amdgcn.buffer.load.v4f32"; - dst_type = ctx->v4f32; - count = 4; - } - - emit_data->output[emit_data->chan] = lp_build_intrinsic( - builder, intrinsic_name, dst_type, - emit_data->args, emit_data->arg_count, - get_load_intr_attribs(readonly_memory)); -} - -static LLVMValueRef get_memory_ptr(struct si_shader_context *ctx, - const struct tgsi_full_instruction *inst, - LLVMTypeRef type, int arg) -{ - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - LLVMValueRef offset, ptr; - int addr_space; - - offset = lp_build_emit_fetch(&ctx->bld_base, inst, arg, 0); - offset = LLVMBuildBitCast(builder, offset, ctx->i32, ""); - - ptr = ctx->shared_memory; - ptr = LLVMBuildGEP(builder, ptr, &offset, 1, ""); - addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr)); - ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, addr_space), ""); - - return ptr; -} - -static void load_emit_memory( - struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data) -{ - const struct tgsi_full_instruction *inst = emit_data->inst; - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - unsigned writemask = inst->Dst[0].Register.WriteMask; - LLVMValueRef channels[4], ptr, derived_ptr, index; - int chan; - - ptr = get_memory_ptr(ctx, inst, ctx->f32, 1); - - for (chan = 0; chan < 4; ++chan) { - if (!(writemask & (1 << chan))) { - channels[chan] = LLVMGetUndef(ctx->f32); - continue; - } - - index = LLVMConstInt(ctx->i32, chan, 0); - derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, ""); - channels[chan] = LLVMBuildLoad(builder, derived_ptr, ""); - } - emit_data->output[emit_data->chan] = lp_build_gather_values(gallivm, channels, 4); -} - -/** - * Return true if the memory accessed by a LOAD or STORE instruction is - * read-only or write-only, respectively. - * - * \param shader_buffers_reverse_access_mask - * For LOAD, set this to (store | atomic) slot usage in the shader. - * For STORE, set this to (load | atomic) slot usage in the shader. - * \param images_reverse_access_mask Same as above, but for images. - */ -static bool is_oneway_access_only(const struct tgsi_full_instruction *inst, - const struct tgsi_shader_info *info, - unsigned shader_buffers_reverse_access_mask, - unsigned images_reverse_access_mask) -{ - /* RESTRICT means NOALIAS. - * If there are no writes, we can assume the accessed memory is read-only. - * If there are no reads, we can assume the accessed memory is write-only. - */ - if (inst->Memory.Qualifier & TGSI_MEMORY_RESTRICT) { - unsigned reverse_access_mask; - - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { - reverse_access_mask = shader_buffers_reverse_access_mask; - } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { - reverse_access_mask = info->images_buffers & - images_reverse_access_mask; - } else { - reverse_access_mask = ~info->images_buffers & - images_reverse_access_mask; - } - - if (inst->Src[0].Register.Indirect) { - if (!reverse_access_mask) - return true; - } else { - if (!(reverse_access_mask & - (1u << inst->Src[0].Register.Index))) - return true; - } - } - - /* If there are no buffer writes (for both shader buffers & image - * buffers), it implies that buffer memory is read-only. - * If there are no buffer reads (for both shader buffers & image - * buffers), it implies that buffer memory is write-only. - * - * Same for the case when there are no writes/reads for non-buffer - * images. - */ - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER || - (inst->Src[0].Register.File == TGSI_FILE_IMAGE && - inst->Memory.Texture == TGSI_TEXTURE_BUFFER)) { - if (!shader_buffers_reverse_access_mask && - !(info->images_buffers & images_reverse_access_mask)) - return true; - } else { - if (!(~info->images_buffers & images_reverse_access_mask)) - return true; - } - return false; -} - -static void load_emit( - const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction * inst = emit_data->inst; - const struct tgsi_shader_info *info = &ctx->shader->selector->info; - char intrinsic_name[64]; - bool readonly_memory = false; - - if (inst->Src[0].Register.File == TGSI_FILE_MEMORY) { - load_emit_memory(ctx, emit_data); - return; - } - - if (inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) - si_emit_waitcnt(ctx, VM_CNT); - - readonly_memory = !(inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) && - is_oneway_access_only(inst, info, - info->shader_buffers_store | - info->shader_buffers_atomic, - info->images_store | - info->images_atomic); - - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { - load_emit_buffer(ctx, emit_data, readonly_memory); - return; - } - - if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { - emit_data->output[emit_data->chan] = - lp_build_intrinsic( - builder, "llvm.amdgcn.buffer.load.format.v4f32", emit_data->dst_type, - emit_data->args, emit_data->arg_count, - get_load_intr_attribs(readonly_memory)); - } else { - ac_get_image_intr_name("llvm.amdgcn.image.load", - emit_data->dst_type, /* vdata */ - LLVMTypeOf(emit_data->args[0]), /* coords */ - LLVMTypeOf(emit_data->args[1]), /* rsrc */ - intrinsic_name, sizeof(intrinsic_name)); - - emit_data->output[emit_data->chan] = - lp_build_intrinsic( - builder, intrinsic_name, emit_data->dst_type, - emit_data->args, emit_data->arg_count, - get_load_intr_attribs(readonly_memory)); - } -} - -static void store_fetch_args( - struct lp_build_tgsi_context * bld_base, - struct lp_build_emit_data * emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction * inst = emit_data->inst; - struct tgsi_full_src_register memory; - LLVMValueRef chans[4]; - LLVMValueRef data; - LLVMValueRef rsrc; - unsigned chan; - - emit_data->dst_type = LLVMVoidTypeInContext(gallivm->context); - - for (chan = 0; chan < 4; ++chan) { - chans[chan] = lp_build_emit_fetch(bld_base, inst, 1, chan); - } - data = lp_build_gather_values(gallivm, chans, 4); - - emit_data->args[emit_data->arg_count++] = data; - - memory = tgsi_full_src_register_from_dst(&inst->Dst[0]); - - if (inst->Dst[0].Register.File == TGSI_FILE_BUFFER) { - LLVMValueRef offset; - LLVMValueRef tmp; - - rsrc = shader_buffer_fetch_rsrc(ctx, &memory); - - tmp = lp_build_emit_fetch(bld_base, inst, 0, 0); - offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - - buffer_append_args(ctx, emit_data, rsrc, ctx->i32_0, - offset, false, false); - } else if (inst->Dst[0].Register.File == TGSI_FILE_IMAGE) { - unsigned target = inst->Memory.Texture; - LLVMValueRef coords; - - /* 8bit/16bit TC L1 write corruption bug on SI. - * All store opcodes not aligned to a dword are affected. - * - * The only way to get unaligned stores in radeonsi is through - * shader images. - */ - bool force_glc = ctx->screen->b.chip_class == SI; - - image_fetch_rsrc(bld_base, &memory, true, target, &rsrc); - coords = image_fetch_coords(bld_base, inst, 0, rsrc); - - if (target == TGSI_TEXTURE_BUFFER) { - buffer_append_args(ctx, emit_data, rsrc, coords, - ctx->i32_0, false, force_glc); - } else { - emit_data->args[1] = coords; - emit_data->args[2] = rsrc; - emit_data->args[3] = LLVMConstInt(ctx->i32, 15, 0); /* dmask */ - emit_data->arg_count = 4; - - image_append_args(ctx, emit_data, target, false, force_glc); - } - } -} - -static void store_emit_buffer( - struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data, - bool writeonly_memory) -{ - const struct tgsi_full_instruction *inst = emit_data->inst; - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - LLVMValueRef base_data = emit_data->args[0]; - LLVMValueRef base_offset = emit_data->args[3]; - unsigned writemask = inst->Dst[0].Register.WriteMask; - - while (writemask) { - int start, count; - const char *intrinsic_name; - LLVMValueRef data; - LLVMValueRef offset; - LLVMValueRef tmp; - - u_bit_scan_consecutive_range(&writemask, &start, &count); - - /* Due to an LLVM limitation, split 3-element writes - * into a 2-element and a 1-element write. */ - if (count == 3) { - writemask |= 1 << (start + 2); - count = 2; - } - - if (count == 4) { - data = base_data; - intrinsic_name = "llvm.amdgcn.buffer.store.v4f32"; - } else if (count == 2) { - LLVMTypeRef v2f32 = LLVMVectorType(ctx->f32, 2); - - tmp = LLVMBuildExtractElement( - builder, base_data, - LLVMConstInt(ctx->i32, start, 0), ""); - data = LLVMBuildInsertElement( - builder, LLVMGetUndef(v2f32), tmp, - ctx->i32_0, ""); - - tmp = LLVMBuildExtractElement( - builder, base_data, - LLVMConstInt(ctx->i32, start + 1, 0), ""); - data = LLVMBuildInsertElement( - builder, data, tmp, ctx->i32_1, ""); - - intrinsic_name = "llvm.amdgcn.buffer.store.v2f32"; - } else { - assert(count == 1); - data = LLVMBuildExtractElement( - builder, base_data, - LLVMConstInt(ctx->i32, start, 0), ""); - intrinsic_name = "llvm.amdgcn.buffer.store.f32"; - } - - offset = base_offset; - if (start != 0) { - offset = LLVMBuildAdd( - builder, offset, - LLVMConstInt(ctx->i32, start * 4, 0), ""); - } - - emit_data->args[0] = data; - emit_data->args[3] = offset; - - lp_build_intrinsic( - builder, intrinsic_name, emit_data->dst_type, - emit_data->args, emit_data->arg_count, - get_store_intr_attribs(writeonly_memory)); - } -} - -static void store_emit_memory( - struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data) -{ - const struct tgsi_full_instruction *inst = emit_data->inst; - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - unsigned writemask = inst->Dst[0].Register.WriteMask; - LLVMValueRef ptr, derived_ptr, data, index; - int chan; - - ptr = get_memory_ptr(ctx, inst, ctx->f32, 0); - - for (chan = 0; chan < 4; ++chan) { - if (!(writemask & (1 << chan))) { - continue; - } - data = lp_build_emit_fetch(&ctx->bld_base, inst, 1, chan); - index = LLVMConstInt(ctx->i32, chan, 0); - derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, ""); - LLVMBuildStore(builder, data, derived_ptr); - } -} - -static void store_emit( - const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction * inst = emit_data->inst; - const struct tgsi_shader_info *info = &ctx->shader->selector->info; - unsigned target = inst->Memory.Texture; - char intrinsic_name[64]; - bool writeonly_memory = false; - - if (inst->Dst[0].Register.File == TGSI_FILE_MEMORY) { - store_emit_memory(ctx, emit_data); - return; - } - - if (inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) - si_emit_waitcnt(ctx, VM_CNT); - - writeonly_memory = is_oneway_access_only(inst, info, - info->shader_buffers_load | - info->shader_buffers_atomic, - info->images_load | - info->images_atomic); - - if (inst->Dst[0].Register.File == TGSI_FILE_BUFFER) { - store_emit_buffer(ctx, emit_data, writeonly_memory); - return; - } - - if (target == TGSI_TEXTURE_BUFFER) { - emit_data->output[emit_data->chan] = lp_build_intrinsic( - builder, "llvm.amdgcn.buffer.store.format.v4f32", - emit_data->dst_type, emit_data->args, - emit_data->arg_count, - get_store_intr_attribs(writeonly_memory)); - } else { - ac_get_image_intr_name("llvm.amdgcn.image.store", - LLVMTypeOf(emit_data->args[0]), /* vdata */ - LLVMTypeOf(emit_data->args[1]), /* coords */ - LLVMTypeOf(emit_data->args[2]), /* rsrc */ - intrinsic_name, sizeof(intrinsic_name)); - - emit_data->output[emit_data->chan] = - lp_build_intrinsic( - builder, intrinsic_name, emit_data->dst_type, - emit_data->args, emit_data->arg_count, - get_store_intr_attribs(writeonly_memory)); - } -} - -static void atomic_fetch_args( - struct lp_build_tgsi_context * bld_base, - struct lp_build_emit_data * emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction * inst = emit_data->inst; - LLVMValueRef data1, data2; - LLVMValueRef rsrc; - LLVMValueRef tmp; - - emit_data->dst_type = ctx->f32; - - tmp = lp_build_emit_fetch(bld_base, inst, 2, 0); - data1 = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - - if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) { - tmp = lp_build_emit_fetch(bld_base, inst, 3, 0); - data2 = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - } - - /* llvm.amdgcn.image/buffer.atomic.cmpswap reflect the hardware order - * of arguments, which is reversed relative to TGSI (and GLSL) - */ - if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) - emit_data->args[emit_data->arg_count++] = data2; - emit_data->args[emit_data->arg_count++] = data1; - - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { - LLVMValueRef offset; - - rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]); - - tmp = lp_build_emit_fetch(bld_base, inst, 1, 0); - offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - - buffer_append_args(ctx, emit_data, rsrc, ctx->i32_0, - offset, true, false); - } else if (inst->Src[0].Register.File == TGSI_FILE_IMAGE) { - unsigned target = inst->Memory.Texture; - LLVMValueRef coords; - - image_fetch_rsrc(bld_base, &inst->Src[0], true, target, &rsrc); - coords = image_fetch_coords(bld_base, inst, 1, rsrc); - - if (target == TGSI_TEXTURE_BUFFER) { - buffer_append_args(ctx, emit_data, rsrc, coords, - ctx->i32_0, true, false); - } else { - emit_data->args[emit_data->arg_count++] = coords; - emit_data->args[emit_data->arg_count++] = rsrc; - - image_append_args(ctx, emit_data, target, true, false); - } - } -} - -static void atomic_emit_memory(struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data) { - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction * inst = emit_data->inst; - LLVMValueRef ptr, result, arg; - - ptr = get_memory_ptr(ctx, inst, ctx->i32, 1); - - arg = lp_build_emit_fetch(&ctx->bld_base, inst, 2, 0); - arg = LLVMBuildBitCast(builder, arg, ctx->i32, ""); - - if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) { - LLVMValueRef new_data; - new_data = lp_build_emit_fetch(&ctx->bld_base, - inst, 3, 0); - - new_data = LLVMBuildBitCast(builder, new_data, ctx->i32, ""); - - result = LLVMBuildAtomicCmpXchg(builder, ptr, arg, new_data, - LLVMAtomicOrderingSequentiallyConsistent, - LLVMAtomicOrderingSequentiallyConsistent, - false); - - result = LLVMBuildExtractValue(builder, result, 0, ""); - } else { - LLVMAtomicRMWBinOp op; - - switch(inst->Instruction.Opcode) { - case TGSI_OPCODE_ATOMUADD: - op = LLVMAtomicRMWBinOpAdd; - break; - case TGSI_OPCODE_ATOMXCHG: - op = LLVMAtomicRMWBinOpXchg; - break; - case TGSI_OPCODE_ATOMAND: - op = LLVMAtomicRMWBinOpAnd; - break; - case TGSI_OPCODE_ATOMOR: - op = LLVMAtomicRMWBinOpOr; - break; - case TGSI_OPCODE_ATOMXOR: - op = LLVMAtomicRMWBinOpXor; - break; - case TGSI_OPCODE_ATOMUMIN: - op = LLVMAtomicRMWBinOpUMin; - break; - case TGSI_OPCODE_ATOMUMAX: - op = LLVMAtomicRMWBinOpUMax; - break; - case TGSI_OPCODE_ATOMIMIN: - op = LLVMAtomicRMWBinOpMin; - break; - case TGSI_OPCODE_ATOMIMAX: - op = LLVMAtomicRMWBinOpMax; - break; - default: - unreachable("unknown atomic opcode"); - } - - result = LLVMBuildAtomicRMW(builder, op, ptr, arg, - LLVMAtomicOrderingSequentiallyConsistent, - false); - } - emit_data->output[emit_data->chan] = LLVMBuildBitCast(builder, result, emit_data->dst_type, ""); -} - -static void atomic_emit( - const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction * inst = emit_data->inst; - char intrinsic_name[40]; - LLVMValueRef tmp; - - if (inst->Src[0].Register.File == TGSI_FILE_MEMORY) { - atomic_emit_memory(ctx, emit_data); - return; - } - - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER || - inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { - snprintf(intrinsic_name, sizeof(intrinsic_name), - "llvm.amdgcn.buffer.atomic.%s", action->intr_name); - } else { - LLVMValueRef coords; - char coords_type[8]; - - if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) - coords = emit_data->args[2]; - else - coords = emit_data->args[1]; - - ac_build_type_name_for_intr(LLVMTypeOf(coords), coords_type, sizeof(coords_type)); - snprintf(intrinsic_name, sizeof(intrinsic_name), - "llvm.amdgcn.image.atomic.%s.%s", - action->intr_name, coords_type); - } - - tmp = lp_build_intrinsic( - builder, intrinsic_name, ctx->i32, - emit_data->args, emit_data->arg_count, 0); - emit_data->output[emit_data->chan] = - LLVMBuildBitCast(builder, tmp, ctx->f32, ""); -} - -static void set_tex_fetch_args(struct si_shader_context *ctx, - struct lp_build_emit_data *emit_data, - unsigned target, - LLVMValueRef res_ptr, LLVMValueRef samp_ptr, - LLVMValueRef *param, unsigned count, - unsigned dmask) -{ - struct gallivm_state *gallivm = &ctx->gallivm; - struct ac_image_args args = {}; - - /* Pad to power of two vector */ - while (count < util_next_power_of_two(count)) - param[count++] = LLVMGetUndef(ctx->i32); - - if (count > 1) - args.addr = lp_build_gather_values(gallivm, param, count); - else - args.addr = param[0]; - - args.resource = res_ptr; - args.sampler = samp_ptr; - args.dmask = dmask; - args.unorm = target == TGSI_TEXTURE_RECT || - target == TGSI_TEXTURE_SHADOWRECT; - args.da = tgsi_is_array_sampler(target); - - /* Ugly, but we seem to have no other choice right now. */ - STATIC_ASSERT(sizeof(args) <= sizeof(emit_data->args)); - memcpy(emit_data->args, &args, sizeof(args)); -} - -static LLVMValueRef fix_resinfo(struct si_shader_context *ctx, - unsigned target, LLVMValueRef out) -{ - LLVMBuilderRef builder = ctx->gallivm.builder; - - /* 1D textures are allocated and used as 2D on GFX9. */ - if (ctx->screen->b.chip_class >= GFX9 && - (target == TGSI_TEXTURE_1D_ARRAY || - target == TGSI_TEXTURE_SHADOW1D_ARRAY)) { - LLVMValueRef layers = - LLVMBuildExtractElement(builder, out, - LLVMConstInt(ctx->i32, 2, 0), ""); - out = LLVMBuildInsertElement(builder, out, layers, - ctx->i32_1, ""); - } - - /* Divide the number of layers by 6 to get the number of cubes. */ - if (target == TGSI_TEXTURE_CUBE_ARRAY || - target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { - LLVMValueRef imm2 = LLVMConstInt(ctx->i32, 2, 0); - - LLVMValueRef z = LLVMBuildExtractElement(builder, out, imm2, ""); - z = LLVMBuildSDiv(builder, z, LLVMConstInt(ctx->i32, 6, 0), ""); - - out = LLVMBuildInsertElement(builder, out, z, imm2, ""); - } - return out; -} - -static void resq_fetch_args( - struct lp_build_tgsi_context * bld_base, - struct lp_build_emit_data * emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - const struct tgsi_full_instruction *inst = emit_data->inst; - const struct tgsi_full_src_register *reg = &inst->Src[0]; - - emit_data->dst_type = ctx->v4i32; - - if (reg->Register.File == TGSI_FILE_BUFFER) { - emit_data->args[0] = shader_buffer_fetch_rsrc(ctx, reg); - emit_data->arg_count = 1; - } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { - image_fetch_rsrc(bld_base, reg, false, inst->Memory.Texture, - &emit_data->args[0]); - emit_data->arg_count = 1; - } else { - LLVMValueRef res_ptr; - unsigned image_target; - - if (inst->Memory.Texture == TGSI_TEXTURE_3D) - image_target = TGSI_TEXTURE_2D_ARRAY; - else - image_target = inst->Memory.Texture; - - image_fetch_rsrc(bld_base, reg, false, inst->Memory.Texture, - &res_ptr); - set_tex_fetch_args(ctx, emit_data, image_target, - res_ptr, NULL, &ctx->i32_0, 1, - 0xf); - } -} - -static void resq_emit( - const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - const struct tgsi_full_instruction *inst = emit_data->inst; - LLVMValueRef out; - - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { - out = LLVMBuildExtractElement(builder, emit_data->args[0], - LLVMConstInt(ctx->i32, 2, 0), ""); - } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { - out = get_buffer_size(bld_base, emit_data->args[0]); - } else { - struct ac_image_args args; - - memcpy(&args, emit_data->args, sizeof(args)); /* ugly */ - args.opcode = ac_image_get_resinfo; - out = ac_build_image_opcode(&ctx->ac, &args); - - out = fix_resinfo(ctx, inst->Memory.Texture, out); - } - - emit_data->output[emit_data->chan] = out; -} - -static const struct lp_build_tgsi_action tex_action; - -enum desc_type { - DESC_IMAGE, - DESC_BUFFER, - DESC_FMASK, - DESC_SAMPLER, -}; - -/** - * Load an image view, fmask view. or sampler state descriptor. - */ -static LLVMValueRef load_sampler_desc(struct si_shader_context *ctx, - LLVMValueRef list, LLVMValueRef index, - enum desc_type type) -{ - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - - switch (type) { - case DESC_IMAGE: - /* The image is at [0:7]. */ - index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 2, 0), ""); - break; - case DESC_BUFFER: - /* The buffer is in [4:7]. */ - index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 4, 0), ""); - index = LLVMBuildAdd(builder, index, ctx->i32_1, ""); - list = LLVMBuildPointerCast(builder, list, - si_const_array(ctx->v4i32, 0), ""); - break; - case DESC_FMASK: - /* The FMASK is at [8:15]. */ - index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 2, 0), ""); - index = LLVMBuildAdd(builder, index, ctx->i32_1, ""); - break; - case DESC_SAMPLER: - /* The sampler state is at [12:15]. */ - index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 4, 0), ""); - index = LLVMBuildAdd(builder, index, LLVMConstInt(ctx->i32, 3, 0), ""); - list = LLVMBuildPointerCast(builder, list, - si_const_array(ctx->v4i32, 0), ""); - break; - } - - return ac_build_indexed_load_const(&ctx->ac, list, index); -} - -/* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL. - * - * SI-CI: - * If BASE_LEVEL == LAST_LEVEL, the shader must disable anisotropic - * filtering manually. The driver sets img7 to a mask clearing - * MAX_ANISO_RATIO if BASE_LEVEL == LAST_LEVEL. The shader must do: - * s_and_b32 samp0, samp0, img7 - * - * VI: - * The ANISO_OVERRIDE sampler field enables this fix in TA. - */ -static LLVMValueRef sici_fix_sampler_aniso(struct si_shader_context *ctx, - LLVMValueRef res, LLVMValueRef samp) -{ - LLVMBuilderRef builder = ctx->gallivm.builder; - LLVMValueRef img7, samp0; - - if (ctx->screen->b.chip_class >= VI) - return samp; - - img7 = LLVMBuildExtractElement(builder, res, - LLVMConstInt(ctx->i32, 7, 0), ""); - samp0 = LLVMBuildExtractElement(builder, samp, - ctx->i32_0, ""); - samp0 = LLVMBuildAnd(builder, samp0, img7, ""); - return LLVMBuildInsertElement(builder, samp, samp0, - ctx->i32_0, ""); -} - -static void tex_fetch_ptrs( - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data, - LLVMValueRef *res_ptr, LLVMValueRef *samp_ptr, LLVMValueRef *fmask_ptr) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - LLVMValueRef list = LLVMGetParam(ctx->main_fn, ctx->param_samplers); - const struct tgsi_full_instruction *inst = emit_data->inst; - const struct tgsi_full_src_register *reg; - unsigned target = inst->Texture.Texture; - unsigned sampler_src; - LLVMValueRef index; - - sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1; - reg = &emit_data->inst->Src[sampler_src]; - - if (reg->Register.Indirect) { - index = si_get_bounded_indirect_index(ctx, - ®->Indirect, - reg->Register.Index, - SI_NUM_SAMPLERS); - } else { - index = LLVMConstInt(ctx->i32, reg->Register.Index, 0); - } - - if (target == TGSI_TEXTURE_BUFFER) - *res_ptr = load_sampler_desc(ctx, list, index, DESC_BUFFER); - else - *res_ptr = load_sampler_desc(ctx, list, index, DESC_IMAGE); - - if (samp_ptr) - *samp_ptr = NULL; - if (fmask_ptr) - *fmask_ptr = NULL; - - if (target == TGSI_TEXTURE_2D_MSAA || - target == TGSI_TEXTURE_2D_ARRAY_MSAA) { - if (fmask_ptr) - *fmask_ptr = load_sampler_desc(ctx, list, index, - DESC_FMASK); - } else if (target != TGSI_TEXTURE_BUFFER) { - if (samp_ptr) { - *samp_ptr = load_sampler_desc(ctx, list, index, - DESC_SAMPLER); - *samp_ptr = sici_fix_sampler_aniso(ctx, *res_ptr, *samp_ptr); - } - } -} - -static void txq_fetch_args( - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - const struct tgsi_full_instruction *inst = emit_data->inst; - unsigned target = inst->Texture.Texture; - LLVMValueRef res_ptr; - LLVMValueRef address; - - tex_fetch_ptrs(bld_base, emit_data, &res_ptr, NULL, NULL); - - if (target == TGSI_TEXTURE_BUFFER) { - /* Read the size from the buffer descriptor directly. */ - emit_data->args[0] = get_buffer_size(bld_base, res_ptr); - return; - } - - /* Textures - set the mip level. */ - address = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X); - - set_tex_fetch_args(ctx, emit_data, target, res_ptr, - NULL, &address, 1, 0xf); -} - -static void txq_emit(const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct ac_image_args args; - unsigned target = emit_data->inst->Texture.Texture; - - if (target == TGSI_TEXTURE_BUFFER) { - /* Just return the buffer size. */ - emit_data->output[emit_data->chan] = emit_data->args[0]; - return; - } - - memcpy(&args, emit_data->args, sizeof(args)); /* ugly */ - - args.opcode = ac_image_get_resinfo; - LLVMValueRef result = ac_build_image_opcode(&ctx->ac, &args); - - emit_data->output[emit_data->chan] = fix_resinfo(ctx, target, result); -} - -static void tex_fetch_args( - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - const struct tgsi_full_instruction *inst = emit_data->inst; - unsigned opcode = inst->Instruction.Opcode; - unsigned target = inst->Texture.Texture; - LLVMValueRef coords[5], derivs[6]; - LLVMValueRef address[16]; - unsigned num_coords = tgsi_util_get_texture_coord_dim(target); - int ref_pos = tgsi_util_get_shadow_ref_src_index(target); - unsigned count = 0; - unsigned chan; - unsigned num_deriv_channels = 0; - bool has_offset = inst->Texture.NumOffsets > 0; - LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL; - unsigned dmask = 0xf; - - tex_fetch_ptrs(bld_base, emit_data, &res_ptr, &samp_ptr, &fmask_ptr); - - if (target == TGSI_TEXTURE_BUFFER) { - emit_data->dst_type = ctx->v4f32; - emit_data->args[0] = res_ptr; - emit_data->args[1] = ctx->i32_0; - emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X); - emit_data->arg_count = 3; - return; - } - - /* Fetch and project texture coordinates */ - coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W); - for (chan = 0; chan < 3; chan++ ) { - coords[chan] = lp_build_emit_fetch(bld_base, - emit_data->inst, 0, - chan); - if (opcode == TGSI_OPCODE_TXP) - coords[chan] = lp_build_emit_llvm_binary(bld_base, - TGSI_OPCODE_DIV, - coords[chan], - coords[3]); - } - - if (opcode == TGSI_OPCODE_TXP) - coords[3] = bld_base->base.one; - - /* Pack offsets. */ - if (has_offset && - opcode != TGSI_OPCODE_TXF && - opcode != TGSI_OPCODE_TXF_LZ) { - /* The offsets are six-bit signed integers packed like this: - * X=[5:0], Y=[13:8], and Z=[21:16]. - */ - LLVMValueRef offset[3], pack; - - assert(inst->Texture.NumOffsets == 1); - - for (chan = 0; chan < 3; chan++) { - offset[chan] = lp_build_emit_fetch_texoffset(bld_base, - emit_data->inst, 0, chan); - offset[chan] = LLVMBuildAnd(gallivm->builder, offset[chan], - LLVMConstInt(ctx->i32, 0x3f, 0), ""); - if (chan) - offset[chan] = LLVMBuildShl(gallivm->builder, offset[chan], - LLVMConstInt(ctx->i32, chan*8, 0), ""); - } - - pack = LLVMBuildOr(gallivm->builder, offset[0], offset[1], ""); - pack = LLVMBuildOr(gallivm->builder, pack, offset[2], ""); - address[count++] = pack; - } - - /* Pack LOD bias value */ - if (opcode == TGSI_OPCODE_TXB) - address[count++] = coords[3]; - if (opcode == TGSI_OPCODE_TXB2) - address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); - - /* Pack depth comparison value */ - if (tgsi_is_shadow_target(target) && opcode != TGSI_OPCODE_LODQ) { - LLVMValueRef z; - - if (target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { - z = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); - } else { - assert(ref_pos >= 0); - z = coords[ref_pos]; - } - - /* TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT, - * so the depth comparison value isn't clamped for Z16 and - * Z24 anymore. Do it manually here. - * - * It's unnecessary if the original texture format was - * Z32_FLOAT, but we don't know that here. - */ - if (ctx->screen->b.chip_class == VI) - z = ac_build_clamp(&ctx->ac, z); - - address[count++] = z; - } - - /* Pack user derivatives */ - if (opcode == TGSI_OPCODE_TXD) { - int param, num_src_deriv_channels, num_dst_deriv_channels; - - switch (target) { - case TGSI_TEXTURE_3D: - num_src_deriv_channels = 3; - num_dst_deriv_channels = 3; - num_deriv_channels = 3; - break; - case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_SHADOW2D: - case TGSI_TEXTURE_RECT: - case TGSI_TEXTURE_SHADOWRECT: - case TGSI_TEXTURE_2D_ARRAY: - case TGSI_TEXTURE_SHADOW2D_ARRAY: - num_src_deriv_channels = 2; - num_dst_deriv_channels = 2; - num_deriv_channels = 2; - break; - case TGSI_TEXTURE_CUBE: - case TGSI_TEXTURE_SHADOWCUBE: - case TGSI_TEXTURE_CUBE_ARRAY: - case TGSI_TEXTURE_SHADOWCUBE_ARRAY: - /* Cube derivatives will be converted to 2D. */ - num_src_deriv_channels = 3; - num_dst_deriv_channels = 3; - num_deriv_channels = 2; - break; - case TGSI_TEXTURE_1D: - case TGSI_TEXTURE_SHADOW1D: - case TGSI_TEXTURE_1D_ARRAY: - case TGSI_TEXTURE_SHADOW1D_ARRAY: - num_src_deriv_channels = 1; - - /* 1D textures are allocated and used as 2D on GFX9. */ - if (ctx->screen->b.chip_class >= GFX9) { - num_dst_deriv_channels = 2; - num_deriv_channels = 2; - } else { - num_dst_deriv_channels = 1; - num_deriv_channels = 1; - } - break; - default: - unreachable("invalid target"); - } - - for (param = 0; param < 2; param++) { - for (chan = 0; chan < num_src_deriv_channels; chan++) - derivs[param * num_dst_deriv_channels + chan] = - lp_build_emit_fetch(bld_base, inst, param+1, chan); - - /* Fill in the rest with zeros. */ - for (chan = num_src_deriv_channels; - chan < num_dst_deriv_channels; chan++) - derivs[param * num_dst_deriv_channels + chan] = - bld_base->base.zero; - } - } - - if (target == TGSI_TEXTURE_CUBE || - target == TGSI_TEXTURE_CUBE_ARRAY || - target == TGSI_TEXTURE_SHADOWCUBE || - target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) - ac_prepare_cube_coords(&ctx->ac, - opcode == TGSI_OPCODE_TXD, - target == TGSI_TEXTURE_CUBE_ARRAY || - target == TGSI_TEXTURE_SHADOWCUBE_ARRAY, - coords, derivs); - - if (opcode == TGSI_OPCODE_TXD) - for (int i = 0; i < num_deriv_channels * 2; i++) - address[count++] = derivs[i]; - - /* Pack texture coordinates */ - address[count++] = coords[0]; - if (num_coords > 1) - address[count++] = coords[1]; - if (num_coords > 2) - address[count++] = coords[2]; - - /* 1D textures are allocated and used as 2D on GFX9. */ - if (ctx->screen->b.chip_class >= GFX9) { - LLVMValueRef filler; - - /* Use 0.5, so that we don't sample the border color. */ - if (opcode == TGSI_OPCODE_TXF) - filler = ctx->i32_0; - else - filler = LLVMConstReal(ctx->f32, 0.5); - - if (target == TGSI_TEXTURE_1D || - target == TGSI_TEXTURE_SHADOW1D) { - address[count++] = filler; - } else if (target == TGSI_TEXTURE_1D_ARRAY || - target == TGSI_TEXTURE_SHADOW1D_ARRAY) { - address[count] = address[count - 1]; - address[count - 1] = filler; - count++; - } - } - - /* Pack LOD or sample index */ - if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXF) - address[count++] = coords[3]; - else if (opcode == TGSI_OPCODE_TXL2) - address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); - - if (count > 16) { - assert(!"Cannot handle more than 16 texture address parameters"); - count = 16; - } - - for (chan = 0; chan < count; chan++ ) { - address[chan] = LLVMBuildBitCast(gallivm->builder, - address[chan], ctx->i32, ""); - } - - /* Adjust the sample index according to FMASK. - * - * For uncompressed MSAA surfaces, FMASK should return 0x76543210, - * which is the identity mapping. Each nibble says which physical sample - * should be fetched to get that sample. - * - * For example, 0x11111100 means there are only 2 samples stored and - * the second sample covers 3/4 of the pixel. When reading samples 0 - * and 1, return physical sample 0 (determined by the first two 0s - * in FMASK), otherwise return physical sample 1. - * - * The sample index should be adjusted as follows: - * sample_index = (fmask >> (sample_index * 4)) & 0xF; - */ - if (target == TGSI_TEXTURE_2D_MSAA || - target == TGSI_TEXTURE_2D_ARRAY_MSAA) { - struct lp_build_emit_data txf_emit_data = *emit_data; - LLVMValueRef txf_address[4]; - /* We only need .xy for non-arrays, and .xyz for arrays. */ - unsigned txf_count = target == TGSI_TEXTURE_2D_MSAA ? 2 : 3; - struct tgsi_full_instruction inst = {}; - - memcpy(txf_address, address, sizeof(txf_address)); - - /* Read FMASK using TXF_LZ. */ - inst.Instruction.Opcode = TGSI_OPCODE_TXF_LZ; - inst.Texture.Texture = target; - txf_emit_data.inst = &inst; - txf_emit_data.chan = 0; - set_tex_fetch_args(ctx, &txf_emit_data, - target, fmask_ptr, NULL, - txf_address, txf_count, 0xf); - build_tex_intrinsic(&tex_action, bld_base, &txf_emit_data); - - /* Initialize some constants. */ - LLVMValueRef four = LLVMConstInt(ctx->i32, 4, 0); - LLVMValueRef F = LLVMConstInt(ctx->i32, 0xF, 0); - - /* Apply the formula. */ - LLVMValueRef fmask = - LLVMBuildExtractElement(gallivm->builder, - txf_emit_data.output[0], - ctx->i32_0, ""); - - unsigned sample_chan = txf_count; /* the sample index is last */ - - LLVMValueRef sample_index4 = - LLVMBuildMul(gallivm->builder, address[sample_chan], four, ""); - - LLVMValueRef shifted_fmask = - LLVMBuildLShr(gallivm->builder, fmask, sample_index4, ""); - - LLVMValueRef final_sample = - LLVMBuildAnd(gallivm->builder, shifted_fmask, F, ""); - - /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK - * resource descriptor is 0 (invalid), - */ - LLVMValueRef fmask_desc = - LLVMBuildBitCast(gallivm->builder, fmask_ptr, - ctx->v8i32, ""); - - LLVMValueRef fmask_word1 = - LLVMBuildExtractElement(gallivm->builder, fmask_desc, - ctx->i32_1, ""); - - LLVMValueRef word1_is_nonzero = - LLVMBuildICmp(gallivm->builder, LLVMIntNE, - fmask_word1, ctx->i32_0, ""); - - /* Replace the MSAA sample index. */ - address[sample_chan] = - LLVMBuildSelect(gallivm->builder, word1_is_nonzero, - final_sample, address[sample_chan], ""); - } - - if (opcode == TGSI_OPCODE_TXF || - opcode == TGSI_OPCODE_TXF_LZ) { - /* add tex offsets */ - if (inst->Texture.NumOffsets) { - struct lp_build_context *uint_bld = &bld_base->uint_bld; - const struct tgsi_texture_offset *off = inst->TexOffsets; - - assert(inst->Texture.NumOffsets == 1); - - switch (target) { - case TGSI_TEXTURE_3D: - address[2] = lp_build_add(uint_bld, address[2], - ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleZ]); - /* fall through */ - case TGSI_TEXTURE_2D: - case TGSI_TEXTURE_SHADOW2D: - case TGSI_TEXTURE_RECT: - case TGSI_TEXTURE_SHADOWRECT: - case TGSI_TEXTURE_2D_ARRAY: - case TGSI_TEXTURE_SHADOW2D_ARRAY: - address[1] = - lp_build_add(uint_bld, address[1], - ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleY]); - /* fall through */ - case TGSI_TEXTURE_1D: - case TGSI_TEXTURE_SHADOW1D: - case TGSI_TEXTURE_1D_ARRAY: - case TGSI_TEXTURE_SHADOW1D_ARRAY: - address[0] = - lp_build_add(uint_bld, address[0], - ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleX]); - break; - /* texture offsets do not apply to other texture targets */ - } - } - } - - if (opcode == TGSI_OPCODE_TG4) { - unsigned gather_comp = 0; - - /* DMASK was repurposed for GATHER4. 4 components are always - * returned and DMASK works like a swizzle - it selects - * the component to fetch. The only valid DMASK values are - * 1=red, 2=green, 4=blue, 8=alpha. (e.g. 1 returns - * (red,red,red,red) etc.) The ISA document doesn't mention - * this. - */ - - /* Get the component index from src1.x for Gather4. */ - if (!tgsi_is_shadow_target(target)) { - LLVMValueRef comp_imm; - struct tgsi_src_register src1 = inst->Src[1].Register; - - assert(src1.File == TGSI_FILE_IMMEDIATE); - - comp_imm = ctx->imms[src1.Index * TGSI_NUM_CHANNELS + src1.SwizzleX]; - gather_comp = LLVMConstIntGetZExtValue(comp_imm); - gather_comp = CLAMP(gather_comp, 0, 3); - } - - dmask = 1 << gather_comp; - } - - set_tex_fetch_args(ctx, emit_data, target, res_ptr, - samp_ptr, address, count, dmask); -} - -/* Gather4 should follow the same rules as bilinear filtering, but the hardware - * incorrectly forces nearest filtering if the texture format is integer. - * The only effect it has on Gather4, which always returns 4 texels for - * bilinear filtering, is that the final coordinates are off by 0.5 of - * the texel size. - * - * The workaround is to subtract 0.5 from the unnormalized coordinates, - * or (0.5 / size) from the normalized coordinates. - */ -static void si_lower_gather4_integer(struct si_shader_context *ctx, - struct ac_image_args *args, - unsigned target) -{ - LLVMBuilderRef builder = ctx->gallivm.builder; - LLVMValueRef coord = args->addr; - LLVMValueRef half_texel[2]; - /* Texture coordinates start after: - * {offset, bias, z-compare, derivatives} - * Only the offset and z-compare can occur here. - */ - unsigned coord_vgpr_index = (int)args->offset + (int)args->compare; - int c; - - if (target == TGSI_TEXTURE_RECT || - target == TGSI_TEXTURE_SHADOWRECT) { - half_texel[0] = half_texel[1] = LLVMConstReal(ctx->f32, -0.5); - } else { - struct tgsi_full_instruction txq_inst = {}; - struct lp_build_emit_data txq_emit_data = {}; - - /* Query the texture size. */ - txq_inst.Texture.Texture = target; - txq_emit_data.inst = &txq_inst; - txq_emit_data.dst_type = ctx->v4i32; - set_tex_fetch_args(ctx, &txq_emit_data, target, - args->resource, NULL, &ctx->i32_0, - 1, 0xf); - txq_emit(NULL, &ctx->bld_base, &txq_emit_data); - - /* Compute -0.5 / size. */ - for (c = 0; c < 2; c++) { - half_texel[c] = - LLVMBuildExtractElement(builder, txq_emit_data.output[0], - LLVMConstInt(ctx->i32, c, 0), ""); - half_texel[c] = LLVMBuildUIToFP(builder, half_texel[c], ctx->f32, ""); - half_texel[c] = - lp_build_emit_llvm_unary(&ctx->bld_base, - TGSI_OPCODE_RCP, half_texel[c]); - half_texel[c] = LLVMBuildFMul(builder, half_texel[c], - LLVMConstReal(ctx->f32, -0.5), ""); - } - } - - for (c = 0; c < 2; c++) { - LLVMValueRef tmp; - LLVMValueRef index = LLVMConstInt(ctx->i32, coord_vgpr_index + c, 0); - - tmp = LLVMBuildExtractElement(builder, coord, index, ""); - tmp = LLVMBuildBitCast(builder, tmp, ctx->f32, ""); - tmp = LLVMBuildFAdd(builder, tmp, half_texel[c], ""); - tmp = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); - coord = LLVMBuildInsertElement(builder, coord, tmp, index, ""); - } - - args->addr = coord; -} - -static void build_tex_intrinsic(const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - const struct tgsi_full_instruction *inst = emit_data->inst; - struct ac_image_args args; - unsigned opcode = inst->Instruction.Opcode; - unsigned target = inst->Texture.Texture; - - if (target == TGSI_TEXTURE_BUFFER) { - emit_data->output[emit_data->chan] = - ac_build_buffer_load_format(&ctx->ac, - emit_data->args[0], - emit_data->args[2], - emit_data->args[1], - true); - return; - } - - memcpy(&args, emit_data->args, sizeof(args)); /* ugly */ - - args.opcode = ac_image_sample; - args.compare = tgsi_is_shadow_target(target); - args.offset = inst->Texture.NumOffsets > 0; - - switch (opcode) { - case TGSI_OPCODE_TXF: - case TGSI_OPCODE_TXF_LZ: - args.opcode = opcode == TGSI_OPCODE_TXF_LZ || - target == TGSI_TEXTURE_2D_MSAA || - target == TGSI_TEXTURE_2D_ARRAY_MSAA ? - ac_image_load : ac_image_load_mip; - args.compare = false; - args.offset = false; - break; - case TGSI_OPCODE_LODQ: - args.opcode = ac_image_get_lod; - args.compare = false; - args.offset = false; - break; - case TGSI_OPCODE_TEX: - case TGSI_OPCODE_TEX2: - case TGSI_OPCODE_TXP: - if (ctx->type != PIPE_SHADER_FRAGMENT) - args.level_zero = true; - break; - case TGSI_OPCODE_TEX_LZ: - args.level_zero = true; - break; - case TGSI_OPCODE_TXB: - case TGSI_OPCODE_TXB2: - assert(ctx->type == PIPE_SHADER_FRAGMENT); - args.bias = true; - break; - case TGSI_OPCODE_TXL: - case TGSI_OPCODE_TXL2: - args.lod = true; - break; - case TGSI_OPCODE_TXD: - args.deriv = true; - break; - case TGSI_OPCODE_TG4: - args.opcode = ac_image_gather4; - args.level_zero = true; - break; - default: - assert(0); - return; - } - - /* The hardware needs special lowering for Gather4 with integer formats. */ - if (ctx->screen->b.chip_class <= VI && - opcode == TGSI_OPCODE_TG4) { - struct tgsi_shader_info *info = &ctx->shader->selector->info; - /* This will also work with non-constant indexing because of how - * glsl_to_tgsi works and we intent to preserve that behavior. - */ - const unsigned src_idx = 2; - unsigned sampler = inst->Src[src_idx].Register.Index; - - assert(inst->Src[src_idx].Register.File == TGSI_FILE_SAMPLER); - - if (info->sampler_type[sampler] == TGSI_RETURN_TYPE_SINT || - info->sampler_type[sampler] == TGSI_RETURN_TYPE_UINT) - si_lower_gather4_integer(ctx, &args, target); - } - - emit_data->output[emit_data->chan] = - ac_build_image_opcode(&ctx->ac, &args); -} - -static void si_llvm_emit_txqs( - const struct lp_build_tgsi_action *action, - struct lp_build_tgsi_context *bld_base, - struct lp_build_emit_data *emit_data) -{ - struct si_shader_context *ctx = si_shader_context(bld_base); - struct gallivm_state *gallivm = &ctx->gallivm; - LLVMBuilderRef builder = gallivm->builder; - LLVMValueRef res, samples; - LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL; - - tex_fetch_ptrs(bld_base, emit_data, &res_ptr, &samp_ptr, &fmask_ptr); - - - /* Read the samples from the descriptor directly. */ - res = LLVMBuildBitCast(builder, res_ptr, ctx->v8i32, ""); - samples = LLVMBuildExtractElement( - builder, res, - LLVMConstInt(ctx->i32, 3, 0), ""); - samples = LLVMBuildLShr(builder, samples, - LLVMConstInt(ctx->i32, 16, 0), ""); - samples = LLVMBuildAnd(builder, samples, - LLVMConstInt(ctx->i32, 0xf, 0), ""); - samples = LLVMBuildShl(builder, ctx->i32_1, - samples, ""); - - emit_data->output[emit_data->chan] = samples; -} - static void si_llvm_emit_ddxy( const struct lp_build_tgsi_action *action, struct lp_build_tgsi_context *bld_base, @@ -5693,11 +3905,6 @@ static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action, ctx->voidt, NULL, 0, LP_FUNC_ATTR_CONVERGENT); } -static const struct lp_build_tgsi_action tex_action = { - .fetch_args = tex_fetch_args, - .emit = build_tex_intrinsic, -}; - static const struct lp_build_tgsi_action interp_action = { .fetch_args = interp_fetch_args, .emit = build_interp_intrinsic, @@ -7150,7 +5357,6 @@ static void si_init_shader_ctx(struct si_shader_context *ctx, LLVMTargetMachineRef tm) { struct lp_build_tgsi_context *bld_base; - struct lp_build_tgsi_action tmpl = {}; si_llvm_context_init(ctx, sscreen, tm); @@ -7161,53 +5367,6 @@ static void si_init_shader_ctx(struct si_shader_context *ctx, bld_base->op_actions[TGSI_OPCODE_INTERP_SAMPLE] = interp_action; bld_base->op_actions[TGSI_OPCODE_INTERP_OFFSET] = interp_action; - bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TEX_LZ] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TEX2] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXB] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXB2] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXD] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXF] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXF_LZ] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXL] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXL2] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXQ].fetch_args = txq_fetch_args; - bld_base->op_actions[TGSI_OPCODE_TXQ].emit = txq_emit; - bld_base->op_actions[TGSI_OPCODE_TG4] = tex_action; - bld_base->op_actions[TGSI_OPCODE_LODQ] = tex_action; - bld_base->op_actions[TGSI_OPCODE_TXQS].emit = si_llvm_emit_txqs; - - bld_base->op_actions[TGSI_OPCODE_LOAD].fetch_args = load_fetch_args; - bld_base->op_actions[TGSI_OPCODE_LOAD].emit = load_emit; - bld_base->op_actions[TGSI_OPCODE_STORE].fetch_args = store_fetch_args; - bld_base->op_actions[TGSI_OPCODE_STORE].emit = store_emit; - bld_base->op_actions[TGSI_OPCODE_RESQ].fetch_args = resq_fetch_args; - bld_base->op_actions[TGSI_OPCODE_RESQ].emit = resq_emit; - - tmpl.fetch_args = atomic_fetch_args; - tmpl.emit = atomic_emit; - bld_base->op_actions[TGSI_OPCODE_ATOMUADD] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMUADD].intr_name = "add"; - bld_base->op_actions[TGSI_OPCODE_ATOMXCHG] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMXCHG].intr_name = "swap"; - bld_base->op_actions[TGSI_OPCODE_ATOMCAS] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMCAS].intr_name = "cmpswap"; - bld_base->op_actions[TGSI_OPCODE_ATOMAND] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMAND].intr_name = "and"; - bld_base->op_actions[TGSI_OPCODE_ATOMOR] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMOR].intr_name = "or"; - bld_base->op_actions[TGSI_OPCODE_ATOMXOR] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMXOR].intr_name = "xor"; - bld_base->op_actions[TGSI_OPCODE_ATOMUMIN] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMUMIN].intr_name = "umin"; - bld_base->op_actions[TGSI_OPCODE_ATOMUMAX] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMUMAX].intr_name = "umax"; - bld_base->op_actions[TGSI_OPCODE_ATOMIMIN] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMIMIN].intr_name = "smin"; - bld_base->op_actions[TGSI_OPCODE_ATOMIMAX] = tmpl; - bld_base->op_actions[TGSI_OPCODE_ATOMIMAX].intr_name = "smax"; - bld_base->op_actions[TGSI_OPCODE_MEMBAR].emit = membar_emit; bld_base->op_actions[TGSI_OPCODE_CLOCK].emit = clock_emit; diff --git a/src/gallium/drivers/radeonsi/si_shader_internal.h b/src/gallium/drivers/radeonsi/si_shader_internal.h index 82a672f5092..69e6dfcf920 100644 --- a/src/gallium/drivers/radeonsi/si_shader_internal.h +++ b/src/gallium/drivers/radeonsi/si_shader_internal.h @@ -301,5 +301,6 @@ LLVMValueRef si_get_bounded_indirect_index(struct si_shader_context *ctx, LLVMTypeRef si_const_array(LLVMTypeRef elem_type, int num_elements); void si_shader_context_init_alu(struct lp_build_tgsi_context *bld_base); +void si_shader_context_init_mem(struct si_shader_context *ctx); #endif diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c new file mode 100644 index 00000000000..13b46949d01 --- /dev/null +++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c @@ -0,0 +1,1883 @@ +/* + * Copyright 2017 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "si_shader_internal.h" +#include "si_pipe.h" +#include "sid.h" +#include "gallivm/lp_bld_arit.h" +#include "gallivm/lp_bld_gather.h" +#include "gallivm/lp_bld_intr.h" +#include "tgsi/tgsi_build.h" +#include "tgsi/tgsi_parse.h" +#include "tgsi/tgsi_util.h" + +static void build_tex_intrinsic(const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data); + +static const struct lp_build_tgsi_action tex_action; + +enum desc_type { + DESC_IMAGE, + DESC_BUFFER, + DESC_FMASK, + DESC_SAMPLER, +}; + +/** + * Given a v8i32 resource descriptor for a buffer, extract the size of the + * buffer in number of elements and return it as an i32. + */ +static LLVMValueRef get_buffer_size( + struct lp_build_tgsi_context *bld_base, + LLVMValueRef descriptor) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + LLVMValueRef size = + LLVMBuildExtractElement(builder, descriptor, + LLVMConstInt(ctx->i32, 2, 0), ""); + + if (ctx->screen->b.chip_class == VI) { + /* On VI, the descriptor contains the size in bytes, + * but TXQ must return the size in elements. + * The stride is always non-zero for resources using TXQ. + */ + LLVMValueRef stride = + LLVMBuildExtractElement(builder, descriptor, + ctx->i32_1, ""); + stride = LLVMBuildLShr(builder, stride, + LLVMConstInt(ctx->i32, 16, 0), ""); + stride = LLVMBuildAnd(builder, stride, + LLVMConstInt(ctx->i32, 0x3FFF, 0), ""); + + size = LLVMBuildUDiv(builder, size, stride, ""); + } + + return size; +} + +static LLVMValueRef +shader_buffer_fetch_rsrc(struct si_shader_context *ctx, + const struct tgsi_full_src_register *reg) +{ + LLVMValueRef index; + LLVMValueRef rsrc_ptr = LLVMGetParam(ctx->main_fn, + ctx->param_shader_buffers); + + if (!reg->Register.Indirect) + index = LLVMConstInt(ctx->i32, reg->Register.Index, 0); + else + index = si_get_bounded_indirect_index(ctx, ®->Indirect, + reg->Register.Index, + SI_NUM_SHADER_BUFFERS); + + return ac_build_indexed_load_const(&ctx->ac, rsrc_ptr, index); +} + +static bool tgsi_is_array_sampler(unsigned target) +{ + return target == TGSI_TEXTURE_1D_ARRAY || + target == TGSI_TEXTURE_SHADOW1D_ARRAY || + target == TGSI_TEXTURE_2D_ARRAY || + target == TGSI_TEXTURE_SHADOW2D_ARRAY || + target == TGSI_TEXTURE_CUBE_ARRAY || + target == TGSI_TEXTURE_SHADOWCUBE_ARRAY || + target == TGSI_TEXTURE_2D_ARRAY_MSAA; +} + +static bool tgsi_is_array_image(unsigned target) +{ + return target == TGSI_TEXTURE_3D || + target == TGSI_TEXTURE_CUBE || + target == TGSI_TEXTURE_1D_ARRAY || + target == TGSI_TEXTURE_2D_ARRAY || + target == TGSI_TEXTURE_CUBE_ARRAY || + target == TGSI_TEXTURE_2D_ARRAY_MSAA; +} + +/** + * Given a 256-bit resource descriptor, force the DCC enable bit to off. + * + * At least on Tonga, executing image stores on images with DCC enabled and + * non-trivial can eventually lead to lockups. This can occur when an + * application binds an image as read-only but then uses a shader that writes + * to it. The OpenGL spec allows almost arbitrarily bad behavior (including + * program termination) in this case, but it doesn't cost much to be a bit + * nicer: disabling DCC in the shader still leads to undefined results but + * avoids the lockup. + */ +static LLVMValueRef force_dcc_off(struct si_shader_context *ctx, + LLVMValueRef rsrc) +{ + if (ctx->screen->b.chip_class <= CIK) { + return rsrc; + } else { + LLVMBuilderRef builder = ctx->gallivm.builder; + LLVMValueRef i32_6 = LLVMConstInt(ctx->i32, 6, 0); + LLVMValueRef i32_C = LLVMConstInt(ctx->i32, C_008F28_COMPRESSION_EN, 0); + LLVMValueRef tmp; + + tmp = LLVMBuildExtractElement(builder, rsrc, i32_6, ""); + tmp = LLVMBuildAnd(builder, tmp, i32_C, ""); + return LLVMBuildInsertElement(builder, rsrc, tmp, i32_6, ""); + } +} + +static LLVMValueRef load_image_desc(struct si_shader_context *ctx, + LLVMValueRef list, LLVMValueRef index, + unsigned target) +{ + LLVMBuilderRef builder = ctx->gallivm.builder; + + if (target == TGSI_TEXTURE_BUFFER) { + index = LLVMBuildMul(builder, index, + LLVMConstInt(ctx->i32, 2, 0), ""); + index = LLVMBuildAdd(builder, index, + ctx->i32_1, ""); + list = LLVMBuildPointerCast(builder, list, + si_const_array(ctx->v4i32, 0), ""); + } + + return ac_build_indexed_load_const(&ctx->ac, list, index); +} + +/** + * Load the resource descriptor for \p image. + */ +static void +image_fetch_rsrc( + struct lp_build_tgsi_context *bld_base, + const struct tgsi_full_src_register *image, + bool is_store, unsigned target, + LLVMValueRef *rsrc) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + LLVMValueRef rsrc_ptr = LLVMGetParam(ctx->main_fn, + ctx->param_images); + LLVMValueRef index; + bool dcc_off = is_store; + + assert(image->Register.File == TGSI_FILE_IMAGE); + + if (!image->Register.Indirect) { + const struct tgsi_shader_info *info = bld_base->info; + unsigned images_writemask = info->images_store | + info->images_atomic; + + index = LLVMConstInt(ctx->i32, image->Register.Index, 0); + + if (images_writemask & (1 << image->Register.Index)) + dcc_off = true; + } else { + /* From the GL_ARB_shader_image_load_store extension spec: + * + * If a shader performs an image load, store, or atomic + * operation using an image variable declared as an array, + * and if the index used to select an individual element is + * negative or greater than or equal to the size of the + * array, the results of the operation are undefined but may + * not lead to termination. + */ + index = si_get_bounded_indirect_index(ctx, &image->Indirect, + image->Register.Index, + SI_NUM_IMAGES); + } + + *rsrc = load_image_desc(ctx, rsrc_ptr, index, target); + if (dcc_off && target != TGSI_TEXTURE_BUFFER) + *rsrc = force_dcc_off(ctx, *rsrc); +} + +static LLVMValueRef image_fetch_coords( + struct lp_build_tgsi_context *bld_base, + const struct tgsi_full_instruction *inst, + unsigned src, LLVMValueRef desc) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + unsigned target = inst->Memory.Texture; + unsigned num_coords = tgsi_util_get_texture_coord_dim(target); + LLVMValueRef coords[4]; + LLVMValueRef tmp; + int chan; + + for (chan = 0; chan < num_coords; ++chan) { + tmp = lp_build_emit_fetch(bld_base, inst, src, chan); + tmp = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + coords[chan] = tmp; + } + + if (ctx->screen->b.chip_class >= GFX9) { + /* 1D textures are allocated and used as 2D on GFX9. */ + if (target == TGSI_TEXTURE_1D) { + coords[1] = ctx->i32_0; + num_coords++; + } else if (target == TGSI_TEXTURE_1D_ARRAY) { + coords[2] = coords[1]; + coords[1] = ctx->i32_0; + num_coords++; + } else if (target == TGSI_TEXTURE_2D) { + /* The hw can't bind a slice of a 3D image as a 2D + * image, because it ignores BASE_ARRAY if the target + * is 3D. The workaround is to read BASE_ARRAY and set + * it as the 3rd address operand for all 2D images. + */ + LLVMValueRef first_layer, const5, mask; + + const5 = LLVMConstInt(ctx->i32, 5, 0); + mask = LLVMConstInt(ctx->i32, S_008F24_BASE_ARRAY(~0), 0); + first_layer = LLVMBuildExtractElement(builder, desc, const5, ""); + first_layer = LLVMBuildAnd(builder, first_layer, mask, ""); + + coords[2] = first_layer; + num_coords++; + } + } + + if (num_coords == 1) + return coords[0]; + + if (num_coords == 3) { + /* LLVM has difficulties lowering 3-element vectors. */ + coords[3] = bld_base->uint_bld.undef; + num_coords = 4; + } + + return lp_build_gather_values(gallivm, coords, num_coords); +} + +/** + * Append the extra mode bits that are used by image load and store. + */ +static void image_append_args( + struct si_shader_context *ctx, + struct lp_build_emit_data * emit_data, + unsigned target, + bool atomic, + bool force_glc) +{ + const struct tgsi_full_instruction *inst = emit_data->inst; + LLVMValueRef i1false = LLVMConstInt(ctx->i1, 0, 0); + LLVMValueRef i1true = LLVMConstInt(ctx->i1, 1, 0); + LLVMValueRef r128 = i1false; + LLVMValueRef da = tgsi_is_array_image(target) ? i1true : i1false; + LLVMValueRef glc = + force_glc || + inst->Memory.Qualifier & (TGSI_MEMORY_COHERENT | TGSI_MEMORY_VOLATILE) ? + i1true : i1false; + LLVMValueRef slc = i1false; + LLVMValueRef lwe = i1false; + + if (atomic || (HAVE_LLVM <= 0x0309)) { + emit_data->args[emit_data->arg_count++] = r128; + emit_data->args[emit_data->arg_count++] = da; + if (!atomic) { + emit_data->args[emit_data->arg_count++] = glc; + } + emit_data->args[emit_data->arg_count++] = slc; + return; + } + + /* HAVE_LLVM >= 0x0400 */ + emit_data->args[emit_data->arg_count++] = glc; + emit_data->args[emit_data->arg_count++] = slc; + emit_data->args[emit_data->arg_count++] = lwe; + emit_data->args[emit_data->arg_count++] = da; +} + +/** + * Append the resource and indexing arguments for buffer intrinsics. + * + * \param rsrc the v4i32 buffer resource + * \param index index into the buffer (stride-based) + * \param offset byte offset into the buffer + */ +static void buffer_append_args( + struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data, + LLVMValueRef rsrc, + LLVMValueRef index, + LLVMValueRef offset, + bool atomic, + bool force_glc) +{ + const struct tgsi_full_instruction *inst = emit_data->inst; + LLVMValueRef i1false = LLVMConstInt(ctx->i1, 0, 0); + LLVMValueRef i1true = LLVMConstInt(ctx->i1, 1, 0); + + emit_data->args[emit_data->arg_count++] = rsrc; + emit_data->args[emit_data->arg_count++] = index; /* vindex */ + emit_data->args[emit_data->arg_count++] = offset; /* voffset */ + if (!atomic) { + emit_data->args[emit_data->arg_count++] = + force_glc || + inst->Memory.Qualifier & (TGSI_MEMORY_COHERENT | TGSI_MEMORY_VOLATILE) ? + i1true : i1false; /* glc */ + } + emit_data->args[emit_data->arg_count++] = i1false; /* slc */ +} + +static void load_fetch_args( + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + const struct tgsi_full_instruction * inst = emit_data->inst; + unsigned target = inst->Memory.Texture; + LLVMValueRef rsrc; + + emit_data->dst_type = ctx->v4f32; + + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { + LLVMBuilderRef builder = gallivm->builder; + LLVMValueRef offset; + LLVMValueRef tmp; + + rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]); + + tmp = lp_build_emit_fetch(bld_base, inst, 1, 0); + offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + + buffer_append_args(ctx, emit_data, rsrc, ctx->i32_0, + offset, false, false); + } else if (inst->Src[0].Register.File == TGSI_FILE_IMAGE) { + LLVMValueRef coords; + + image_fetch_rsrc(bld_base, &inst->Src[0], false, target, &rsrc); + coords = image_fetch_coords(bld_base, inst, 1, rsrc); + + if (target == TGSI_TEXTURE_BUFFER) { + buffer_append_args(ctx, emit_data, rsrc, coords, + ctx->i32_0, false, false); + } else { + emit_data->args[0] = coords; + emit_data->args[1] = rsrc; + emit_data->args[2] = LLVMConstInt(ctx->i32, 15, 0); /* dmask */ + emit_data->arg_count = 3; + + image_append_args(ctx, emit_data, target, false, false); + } + } +} + +static unsigned get_load_intr_attribs(bool readonly_memory) +{ + /* READNONE means writes can't affect it, while READONLY means that + * writes can affect it. */ + return readonly_memory && HAVE_LLVM >= 0x0400 ? + LP_FUNC_ATTR_READNONE : + LP_FUNC_ATTR_READONLY; +} + +static unsigned get_store_intr_attribs(bool writeonly_memory) +{ + return writeonly_memory && HAVE_LLVM >= 0x0400 ? + LP_FUNC_ATTR_INACCESSIBLE_MEM_ONLY : + LP_FUNC_ATTR_WRITEONLY; +} + +static void load_emit_buffer(struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data, + bool readonly_memory) +{ + const struct tgsi_full_instruction *inst = emit_data->inst; + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + uint writemask = inst->Dst[0].Register.WriteMask; + uint count = util_last_bit(writemask); + const char *intrinsic_name; + LLVMTypeRef dst_type; + + switch (count) { + case 1: + intrinsic_name = "llvm.amdgcn.buffer.load.f32"; + dst_type = ctx->f32; + break; + case 2: + intrinsic_name = "llvm.amdgcn.buffer.load.v2f32"; + dst_type = LLVMVectorType(ctx->f32, 2); + break; + default: // 3 & 4 + intrinsic_name = "llvm.amdgcn.buffer.load.v4f32"; + dst_type = ctx->v4f32; + count = 4; + } + + emit_data->output[emit_data->chan] = lp_build_intrinsic( + builder, intrinsic_name, dst_type, + emit_data->args, emit_data->arg_count, + get_load_intr_attribs(readonly_memory)); +} + +static LLVMValueRef get_memory_ptr(struct si_shader_context *ctx, + const struct tgsi_full_instruction *inst, + LLVMTypeRef type, int arg) +{ + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + LLVMValueRef offset, ptr; + int addr_space; + + offset = lp_build_emit_fetch(&ctx->bld_base, inst, arg, 0); + offset = LLVMBuildBitCast(builder, offset, ctx->i32, ""); + + ptr = ctx->shared_memory; + ptr = LLVMBuildGEP(builder, ptr, &offset, 1, ""); + addr_space = LLVMGetPointerAddressSpace(LLVMTypeOf(ptr)); + ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, addr_space), ""); + + return ptr; +} + +static void load_emit_memory( + struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data) +{ + const struct tgsi_full_instruction *inst = emit_data->inst; + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + unsigned writemask = inst->Dst[0].Register.WriteMask; + LLVMValueRef channels[4], ptr, derived_ptr, index; + int chan; + + ptr = get_memory_ptr(ctx, inst, ctx->f32, 1); + + for (chan = 0; chan < 4; ++chan) { + if (!(writemask & (1 << chan))) { + channels[chan] = LLVMGetUndef(ctx->f32); + continue; + } + + index = LLVMConstInt(ctx->i32, chan, 0); + derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, ""); + channels[chan] = LLVMBuildLoad(builder, derived_ptr, ""); + } + emit_data->output[emit_data->chan] = lp_build_gather_values(gallivm, channels, 4); +} + +/** + * Return true if the memory accessed by a LOAD or STORE instruction is + * read-only or write-only, respectively. + * + * \param shader_buffers_reverse_access_mask + * For LOAD, set this to (store | atomic) slot usage in the shader. + * For STORE, set this to (load | atomic) slot usage in the shader. + * \param images_reverse_access_mask Same as above, but for images. + */ +static bool is_oneway_access_only(const struct tgsi_full_instruction *inst, + const struct tgsi_shader_info *info, + unsigned shader_buffers_reverse_access_mask, + unsigned images_reverse_access_mask) +{ + /* RESTRICT means NOALIAS. + * If there are no writes, we can assume the accessed memory is read-only. + * If there are no reads, we can assume the accessed memory is write-only. + */ + if (inst->Memory.Qualifier & TGSI_MEMORY_RESTRICT) { + unsigned reverse_access_mask; + + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { + reverse_access_mask = shader_buffers_reverse_access_mask; + } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { + reverse_access_mask = info->images_buffers & + images_reverse_access_mask; + } else { + reverse_access_mask = ~info->images_buffers & + images_reverse_access_mask; + } + + if (inst->Src[0].Register.Indirect) { + if (!reverse_access_mask) + return true; + } else { + if (!(reverse_access_mask & + (1u << inst->Src[0].Register.Index))) + return true; + } + } + + /* If there are no buffer writes (for both shader buffers & image + * buffers), it implies that buffer memory is read-only. + * If there are no buffer reads (for both shader buffers & image + * buffers), it implies that buffer memory is write-only. + * + * Same for the case when there are no writes/reads for non-buffer + * images. + */ + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER || + (inst->Src[0].Register.File == TGSI_FILE_IMAGE && + inst->Memory.Texture == TGSI_TEXTURE_BUFFER)) { + if (!shader_buffers_reverse_access_mask && + !(info->images_buffers & images_reverse_access_mask)) + return true; + } else { + if (!(~info->images_buffers & images_reverse_access_mask)) + return true; + } + return false; +} + +static void load_emit( + const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction * inst = emit_data->inst; + const struct tgsi_shader_info *info = &ctx->shader->selector->info; + char intrinsic_name[64]; + bool readonly_memory = false; + + if (inst->Src[0].Register.File == TGSI_FILE_MEMORY) { + load_emit_memory(ctx, emit_data); + return; + } + + if (inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) + si_emit_waitcnt(ctx, VM_CNT); + + readonly_memory = !(inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) && + is_oneway_access_only(inst, info, + info->shader_buffers_store | + info->shader_buffers_atomic, + info->images_store | + info->images_atomic); + + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { + load_emit_buffer(ctx, emit_data, readonly_memory); + return; + } + + if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { + emit_data->output[emit_data->chan] = + lp_build_intrinsic( + builder, "llvm.amdgcn.buffer.load.format.v4f32", emit_data->dst_type, + emit_data->args, emit_data->arg_count, + get_load_intr_attribs(readonly_memory)); + } else { + ac_get_image_intr_name("llvm.amdgcn.image.load", + emit_data->dst_type, /* vdata */ + LLVMTypeOf(emit_data->args[0]), /* coords */ + LLVMTypeOf(emit_data->args[1]), /* rsrc */ + intrinsic_name, sizeof(intrinsic_name)); + + emit_data->output[emit_data->chan] = + lp_build_intrinsic( + builder, intrinsic_name, emit_data->dst_type, + emit_data->args, emit_data->arg_count, + get_load_intr_attribs(readonly_memory)); + } +} + +static void store_fetch_args( + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction * inst = emit_data->inst; + struct tgsi_full_src_register memory; + LLVMValueRef chans[4]; + LLVMValueRef data; + LLVMValueRef rsrc; + unsigned chan; + + emit_data->dst_type = LLVMVoidTypeInContext(gallivm->context); + + for (chan = 0; chan < 4; ++chan) { + chans[chan] = lp_build_emit_fetch(bld_base, inst, 1, chan); + } + data = lp_build_gather_values(gallivm, chans, 4); + + emit_data->args[emit_data->arg_count++] = data; + + memory = tgsi_full_src_register_from_dst(&inst->Dst[0]); + + if (inst->Dst[0].Register.File == TGSI_FILE_BUFFER) { + LLVMValueRef offset; + LLVMValueRef tmp; + + rsrc = shader_buffer_fetch_rsrc(ctx, &memory); + + tmp = lp_build_emit_fetch(bld_base, inst, 0, 0); + offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + + buffer_append_args(ctx, emit_data, rsrc, ctx->i32_0, + offset, false, false); + } else if (inst->Dst[0].Register.File == TGSI_FILE_IMAGE) { + unsigned target = inst->Memory.Texture; + LLVMValueRef coords; + + /* 8bit/16bit TC L1 write corruption bug on SI. + * All store opcodes not aligned to a dword are affected. + * + * The only way to get unaligned stores in radeonsi is through + * shader images. + */ + bool force_glc = ctx->screen->b.chip_class == SI; + + image_fetch_rsrc(bld_base, &memory, true, target, &rsrc); + coords = image_fetch_coords(bld_base, inst, 0, rsrc); + + if (target == TGSI_TEXTURE_BUFFER) { + buffer_append_args(ctx, emit_data, rsrc, coords, + ctx->i32_0, false, force_glc); + } else { + emit_data->args[1] = coords; + emit_data->args[2] = rsrc; + emit_data->args[3] = LLVMConstInt(ctx->i32, 15, 0); /* dmask */ + emit_data->arg_count = 4; + + image_append_args(ctx, emit_data, target, false, force_glc); + } + } +} + +static void store_emit_buffer( + struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data, + bool writeonly_memory) +{ + const struct tgsi_full_instruction *inst = emit_data->inst; + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + LLVMValueRef base_data = emit_data->args[0]; + LLVMValueRef base_offset = emit_data->args[3]; + unsigned writemask = inst->Dst[0].Register.WriteMask; + + while (writemask) { + int start, count; + const char *intrinsic_name; + LLVMValueRef data; + LLVMValueRef offset; + LLVMValueRef tmp; + + u_bit_scan_consecutive_range(&writemask, &start, &count); + + /* Due to an LLVM limitation, split 3-element writes + * into a 2-element and a 1-element write. */ + if (count == 3) { + writemask |= 1 << (start + 2); + count = 2; + } + + if (count == 4) { + data = base_data; + intrinsic_name = "llvm.amdgcn.buffer.store.v4f32"; + } else if (count == 2) { + LLVMTypeRef v2f32 = LLVMVectorType(ctx->f32, 2); + + tmp = LLVMBuildExtractElement( + builder, base_data, + LLVMConstInt(ctx->i32, start, 0), ""); + data = LLVMBuildInsertElement( + builder, LLVMGetUndef(v2f32), tmp, + ctx->i32_0, ""); + + tmp = LLVMBuildExtractElement( + builder, base_data, + LLVMConstInt(ctx->i32, start + 1, 0), ""); + data = LLVMBuildInsertElement( + builder, data, tmp, ctx->i32_1, ""); + + intrinsic_name = "llvm.amdgcn.buffer.store.v2f32"; + } else { + assert(count == 1); + data = LLVMBuildExtractElement( + builder, base_data, + LLVMConstInt(ctx->i32, start, 0), ""); + intrinsic_name = "llvm.amdgcn.buffer.store.f32"; + } + + offset = base_offset; + if (start != 0) { + offset = LLVMBuildAdd( + builder, offset, + LLVMConstInt(ctx->i32, start * 4, 0), ""); + } + + emit_data->args[0] = data; + emit_data->args[3] = offset; + + lp_build_intrinsic( + builder, intrinsic_name, emit_data->dst_type, + emit_data->args, emit_data->arg_count, + get_store_intr_attribs(writeonly_memory)); + } +} + +static void store_emit_memory( + struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data) +{ + const struct tgsi_full_instruction *inst = emit_data->inst; + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + unsigned writemask = inst->Dst[0].Register.WriteMask; + LLVMValueRef ptr, derived_ptr, data, index; + int chan; + + ptr = get_memory_ptr(ctx, inst, ctx->f32, 0); + + for (chan = 0; chan < 4; ++chan) { + if (!(writemask & (1 << chan))) { + continue; + } + data = lp_build_emit_fetch(&ctx->bld_base, inst, 1, chan); + index = LLVMConstInt(ctx->i32, chan, 0); + derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, ""); + LLVMBuildStore(builder, data, derived_ptr); + } +} + +static void store_emit( + const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction * inst = emit_data->inst; + const struct tgsi_shader_info *info = &ctx->shader->selector->info; + unsigned target = inst->Memory.Texture; + char intrinsic_name[64]; + bool writeonly_memory = false; + + if (inst->Dst[0].Register.File == TGSI_FILE_MEMORY) { + store_emit_memory(ctx, emit_data); + return; + } + + if (inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) + si_emit_waitcnt(ctx, VM_CNT); + + writeonly_memory = is_oneway_access_only(inst, info, + info->shader_buffers_load | + info->shader_buffers_atomic, + info->images_load | + info->images_atomic); + + if (inst->Dst[0].Register.File == TGSI_FILE_BUFFER) { + store_emit_buffer(ctx, emit_data, writeonly_memory); + return; + } + + if (target == TGSI_TEXTURE_BUFFER) { + emit_data->output[emit_data->chan] = lp_build_intrinsic( + builder, "llvm.amdgcn.buffer.store.format.v4f32", + emit_data->dst_type, emit_data->args, + emit_data->arg_count, + get_store_intr_attribs(writeonly_memory)); + } else { + ac_get_image_intr_name("llvm.amdgcn.image.store", + LLVMTypeOf(emit_data->args[0]), /* vdata */ + LLVMTypeOf(emit_data->args[1]), /* coords */ + LLVMTypeOf(emit_data->args[2]), /* rsrc */ + intrinsic_name, sizeof(intrinsic_name)); + + emit_data->output[emit_data->chan] = + lp_build_intrinsic( + builder, intrinsic_name, emit_data->dst_type, + emit_data->args, emit_data->arg_count, + get_store_intr_attribs(writeonly_memory)); + } +} + +static void atomic_fetch_args( + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction * inst = emit_data->inst; + LLVMValueRef data1, data2; + LLVMValueRef rsrc; + LLVMValueRef tmp; + + emit_data->dst_type = ctx->f32; + + tmp = lp_build_emit_fetch(bld_base, inst, 2, 0); + data1 = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + + if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) { + tmp = lp_build_emit_fetch(bld_base, inst, 3, 0); + data2 = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + } + + /* llvm.amdgcn.image/buffer.atomic.cmpswap reflect the hardware order + * of arguments, which is reversed relative to TGSI (and GLSL) + */ + if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) + emit_data->args[emit_data->arg_count++] = data2; + emit_data->args[emit_data->arg_count++] = data1; + + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { + LLVMValueRef offset; + + rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]); + + tmp = lp_build_emit_fetch(bld_base, inst, 1, 0); + offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + + buffer_append_args(ctx, emit_data, rsrc, ctx->i32_0, + offset, true, false); + } else if (inst->Src[0].Register.File == TGSI_FILE_IMAGE) { + unsigned target = inst->Memory.Texture; + LLVMValueRef coords; + + image_fetch_rsrc(bld_base, &inst->Src[0], true, target, &rsrc); + coords = image_fetch_coords(bld_base, inst, 1, rsrc); + + if (target == TGSI_TEXTURE_BUFFER) { + buffer_append_args(ctx, emit_data, rsrc, coords, + ctx->i32_0, true, false); + } else { + emit_data->args[emit_data->arg_count++] = coords; + emit_data->args[emit_data->arg_count++] = rsrc; + + image_append_args(ctx, emit_data, target, true, false); + } + } +} + +static void atomic_emit_memory(struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data) { + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction * inst = emit_data->inst; + LLVMValueRef ptr, result, arg; + + ptr = get_memory_ptr(ctx, inst, ctx->i32, 1); + + arg = lp_build_emit_fetch(&ctx->bld_base, inst, 2, 0); + arg = LLVMBuildBitCast(builder, arg, ctx->i32, ""); + + if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) { + LLVMValueRef new_data; + new_data = lp_build_emit_fetch(&ctx->bld_base, + inst, 3, 0); + + new_data = LLVMBuildBitCast(builder, new_data, ctx->i32, ""); + + result = LLVMBuildAtomicCmpXchg(builder, ptr, arg, new_data, + LLVMAtomicOrderingSequentiallyConsistent, + LLVMAtomicOrderingSequentiallyConsistent, + false); + + result = LLVMBuildExtractValue(builder, result, 0, ""); + } else { + LLVMAtomicRMWBinOp op; + + switch(inst->Instruction.Opcode) { + case TGSI_OPCODE_ATOMUADD: + op = LLVMAtomicRMWBinOpAdd; + break; + case TGSI_OPCODE_ATOMXCHG: + op = LLVMAtomicRMWBinOpXchg; + break; + case TGSI_OPCODE_ATOMAND: + op = LLVMAtomicRMWBinOpAnd; + break; + case TGSI_OPCODE_ATOMOR: + op = LLVMAtomicRMWBinOpOr; + break; + case TGSI_OPCODE_ATOMXOR: + op = LLVMAtomicRMWBinOpXor; + break; + case TGSI_OPCODE_ATOMUMIN: + op = LLVMAtomicRMWBinOpUMin; + break; + case TGSI_OPCODE_ATOMUMAX: + op = LLVMAtomicRMWBinOpUMax; + break; + case TGSI_OPCODE_ATOMIMIN: + op = LLVMAtomicRMWBinOpMin; + break; + case TGSI_OPCODE_ATOMIMAX: + op = LLVMAtomicRMWBinOpMax; + break; + default: + unreachable("unknown atomic opcode"); + } + + result = LLVMBuildAtomicRMW(builder, op, ptr, arg, + LLVMAtomicOrderingSequentiallyConsistent, + false); + } + emit_data->output[emit_data->chan] = LLVMBuildBitCast(builder, result, emit_data->dst_type, ""); +} + +static void atomic_emit( + const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction * inst = emit_data->inst; + char intrinsic_name[40]; + LLVMValueRef tmp; + + if (inst->Src[0].Register.File == TGSI_FILE_MEMORY) { + atomic_emit_memory(ctx, emit_data); + return; + } + + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER || + inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { + snprintf(intrinsic_name, sizeof(intrinsic_name), + "llvm.amdgcn.buffer.atomic.%s", action->intr_name); + } else { + LLVMValueRef coords; + char coords_type[8]; + + if (inst->Instruction.Opcode == TGSI_OPCODE_ATOMCAS) + coords = emit_data->args[2]; + else + coords = emit_data->args[1]; + + ac_build_type_name_for_intr(LLVMTypeOf(coords), coords_type, sizeof(coords_type)); + snprintf(intrinsic_name, sizeof(intrinsic_name), + "llvm.amdgcn.image.atomic.%s.%s", + action->intr_name, coords_type); + } + + tmp = lp_build_intrinsic( + builder, intrinsic_name, ctx->i32, + emit_data->args, emit_data->arg_count, 0); + emit_data->output[emit_data->chan] = + LLVMBuildBitCast(builder, tmp, ctx->f32, ""); +} + +static void set_tex_fetch_args(struct si_shader_context *ctx, + struct lp_build_emit_data *emit_data, + unsigned target, + LLVMValueRef res_ptr, LLVMValueRef samp_ptr, + LLVMValueRef *param, unsigned count, + unsigned dmask) +{ + struct gallivm_state *gallivm = &ctx->gallivm; + struct ac_image_args args = {}; + + /* Pad to power of two vector */ + while (count < util_next_power_of_two(count)) + param[count++] = LLVMGetUndef(ctx->i32); + + if (count > 1) + args.addr = lp_build_gather_values(gallivm, param, count); + else + args.addr = param[0]; + + args.resource = res_ptr; + args.sampler = samp_ptr; + args.dmask = dmask; + args.unorm = target == TGSI_TEXTURE_RECT || + target == TGSI_TEXTURE_SHADOWRECT; + args.da = tgsi_is_array_sampler(target); + + /* Ugly, but we seem to have no other choice right now. */ + STATIC_ASSERT(sizeof(args) <= sizeof(emit_data->args)); + memcpy(emit_data->args, &args, sizeof(args)); +} + +static LLVMValueRef fix_resinfo(struct si_shader_context *ctx, + unsigned target, LLVMValueRef out) +{ + LLVMBuilderRef builder = ctx->gallivm.builder; + + /* 1D textures are allocated and used as 2D on GFX9. */ + if (ctx->screen->b.chip_class >= GFX9 && + (target == TGSI_TEXTURE_1D_ARRAY || + target == TGSI_TEXTURE_SHADOW1D_ARRAY)) { + LLVMValueRef layers = + LLVMBuildExtractElement(builder, out, + LLVMConstInt(ctx->i32, 2, 0), ""); + out = LLVMBuildInsertElement(builder, out, layers, + ctx->i32_1, ""); + } + + /* Divide the number of layers by 6 to get the number of cubes. */ + if (target == TGSI_TEXTURE_CUBE_ARRAY || + target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { + LLVMValueRef imm2 = LLVMConstInt(ctx->i32, 2, 0); + + LLVMValueRef z = LLVMBuildExtractElement(builder, out, imm2, ""); + z = LLVMBuildSDiv(builder, z, LLVMConstInt(ctx->i32, 6, 0), ""); + + out = LLVMBuildInsertElement(builder, out, z, imm2, ""); + } + return out; +} + +static void resq_fetch_args( + struct lp_build_tgsi_context * bld_base, + struct lp_build_emit_data * emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + const struct tgsi_full_instruction *inst = emit_data->inst; + const struct tgsi_full_src_register *reg = &inst->Src[0]; + + emit_data->dst_type = ctx->v4i32; + + if (reg->Register.File == TGSI_FILE_BUFFER) { + emit_data->args[0] = shader_buffer_fetch_rsrc(ctx, reg); + emit_data->arg_count = 1; + } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { + image_fetch_rsrc(bld_base, reg, false, inst->Memory.Texture, + &emit_data->args[0]); + emit_data->arg_count = 1; + } else { + LLVMValueRef res_ptr; + unsigned image_target; + + if (inst->Memory.Texture == TGSI_TEXTURE_3D) + image_target = TGSI_TEXTURE_2D_ARRAY; + else + image_target = inst->Memory.Texture; + + image_fetch_rsrc(bld_base, reg, false, inst->Memory.Texture, + &res_ptr); + set_tex_fetch_args(ctx, emit_data, image_target, + res_ptr, NULL, &ctx->i32_0, 1, + 0xf); + } +} + +static void resq_emit( + const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + const struct tgsi_full_instruction *inst = emit_data->inst; + LLVMValueRef out; + + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { + out = LLVMBuildExtractElement(builder, emit_data->args[0], + LLVMConstInt(ctx->i32, 2, 0), ""); + } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { + out = get_buffer_size(bld_base, emit_data->args[0]); + } else { + struct ac_image_args args; + + memcpy(&args, emit_data->args, sizeof(args)); /* ugly */ + args.opcode = ac_image_get_resinfo; + out = ac_build_image_opcode(&ctx->ac, &args); + + out = fix_resinfo(ctx, inst->Memory.Texture, out); + } + + emit_data->output[emit_data->chan] = out; +} + +/** + * Load an image view, fmask view. or sampler state descriptor. + */ +static LLVMValueRef load_sampler_desc(struct si_shader_context *ctx, + LLVMValueRef list, LLVMValueRef index, + enum desc_type type) +{ + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + + switch (type) { + case DESC_IMAGE: + /* The image is at [0:7]. */ + index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 2, 0), ""); + break; + case DESC_BUFFER: + /* The buffer is in [4:7]. */ + index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 4, 0), ""); + index = LLVMBuildAdd(builder, index, ctx->i32_1, ""); + list = LLVMBuildPointerCast(builder, list, + si_const_array(ctx->v4i32, 0), ""); + break; + case DESC_FMASK: + /* The FMASK is at [8:15]. */ + index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 2, 0), ""); + index = LLVMBuildAdd(builder, index, ctx->i32_1, ""); + break; + case DESC_SAMPLER: + /* The sampler state is at [12:15]. */ + index = LLVMBuildMul(builder, index, LLVMConstInt(ctx->i32, 4, 0), ""); + index = LLVMBuildAdd(builder, index, LLVMConstInt(ctx->i32, 3, 0), ""); + list = LLVMBuildPointerCast(builder, list, + si_const_array(ctx->v4i32, 0), ""); + break; + } + + return ac_build_indexed_load_const(&ctx->ac, list, index); +} + +/* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL. + * + * SI-CI: + * If BASE_LEVEL == LAST_LEVEL, the shader must disable anisotropic + * filtering manually. The driver sets img7 to a mask clearing + * MAX_ANISO_RATIO if BASE_LEVEL == LAST_LEVEL. The shader must do: + * s_and_b32 samp0, samp0, img7 + * + * VI: + * The ANISO_OVERRIDE sampler field enables this fix in TA. + */ +static LLVMValueRef sici_fix_sampler_aniso(struct si_shader_context *ctx, + LLVMValueRef res, LLVMValueRef samp) +{ + LLVMBuilderRef builder = ctx->gallivm.builder; + LLVMValueRef img7, samp0; + + if (ctx->screen->b.chip_class >= VI) + return samp; + + img7 = LLVMBuildExtractElement(builder, res, + LLVMConstInt(ctx->i32, 7, 0), ""); + samp0 = LLVMBuildExtractElement(builder, samp, + ctx->i32_0, ""); + samp0 = LLVMBuildAnd(builder, samp0, img7, ""); + return LLVMBuildInsertElement(builder, samp, samp0, + ctx->i32_0, ""); +} + +static void tex_fetch_ptrs( + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data, + LLVMValueRef *res_ptr, LLVMValueRef *samp_ptr, LLVMValueRef *fmask_ptr) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + LLVMValueRef list = LLVMGetParam(ctx->main_fn, ctx->param_samplers); + const struct tgsi_full_instruction *inst = emit_data->inst; + const struct tgsi_full_src_register *reg; + unsigned target = inst->Texture.Texture; + unsigned sampler_src; + LLVMValueRef index; + + sampler_src = emit_data->inst->Instruction.NumSrcRegs - 1; + reg = &emit_data->inst->Src[sampler_src]; + + if (reg->Register.Indirect) { + index = si_get_bounded_indirect_index(ctx, + ®->Indirect, + reg->Register.Index, + SI_NUM_SAMPLERS); + } else { + index = LLVMConstInt(ctx->i32, reg->Register.Index, 0); + } + + if (target == TGSI_TEXTURE_BUFFER) + *res_ptr = load_sampler_desc(ctx, list, index, DESC_BUFFER); + else + *res_ptr = load_sampler_desc(ctx, list, index, DESC_IMAGE); + + if (samp_ptr) + *samp_ptr = NULL; + if (fmask_ptr) + *fmask_ptr = NULL; + + if (target == TGSI_TEXTURE_2D_MSAA || + target == TGSI_TEXTURE_2D_ARRAY_MSAA) { + if (fmask_ptr) + *fmask_ptr = load_sampler_desc(ctx, list, index, + DESC_FMASK); + } else if (target != TGSI_TEXTURE_BUFFER) { + if (samp_ptr) { + *samp_ptr = load_sampler_desc(ctx, list, index, + DESC_SAMPLER); + *samp_ptr = sici_fix_sampler_aniso(ctx, *res_ptr, *samp_ptr); + } + } +} + +static void txq_fetch_args( + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + const struct tgsi_full_instruction *inst = emit_data->inst; + unsigned target = inst->Texture.Texture; + LLVMValueRef res_ptr; + LLVMValueRef address; + + tex_fetch_ptrs(bld_base, emit_data, &res_ptr, NULL, NULL); + + if (target == TGSI_TEXTURE_BUFFER) { + /* Read the size from the buffer descriptor directly. */ + emit_data->args[0] = get_buffer_size(bld_base, res_ptr); + return; + } + + /* Textures - set the mip level. */ + address = lp_build_emit_fetch(bld_base, inst, 0, TGSI_CHAN_X); + + set_tex_fetch_args(ctx, emit_data, target, res_ptr, + NULL, &address, 1, 0xf); +} + +static void txq_emit(const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct ac_image_args args; + unsigned target = emit_data->inst->Texture.Texture; + + if (target == TGSI_TEXTURE_BUFFER) { + /* Just return the buffer size. */ + emit_data->output[emit_data->chan] = emit_data->args[0]; + return; + } + + memcpy(&args, emit_data->args, sizeof(args)); /* ugly */ + + args.opcode = ac_image_get_resinfo; + LLVMValueRef result = ac_build_image_opcode(&ctx->ac, &args); + + emit_data->output[emit_data->chan] = fix_resinfo(ctx, target, result); +} + +static void tex_fetch_args( + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + const struct tgsi_full_instruction *inst = emit_data->inst; + unsigned opcode = inst->Instruction.Opcode; + unsigned target = inst->Texture.Texture; + LLVMValueRef coords[5], derivs[6]; + LLVMValueRef address[16]; + unsigned num_coords = tgsi_util_get_texture_coord_dim(target); + int ref_pos = tgsi_util_get_shadow_ref_src_index(target); + unsigned count = 0; + unsigned chan; + unsigned num_deriv_channels = 0; + bool has_offset = inst->Texture.NumOffsets > 0; + LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL; + unsigned dmask = 0xf; + + tex_fetch_ptrs(bld_base, emit_data, &res_ptr, &samp_ptr, &fmask_ptr); + + if (target == TGSI_TEXTURE_BUFFER) { + emit_data->dst_type = ctx->v4f32; + emit_data->args[0] = res_ptr; + emit_data->args[1] = ctx->i32_0; + emit_data->args[2] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_X); + emit_data->arg_count = 3; + return; + } + + /* Fetch and project texture coordinates */ + coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W); + for (chan = 0; chan < 3; chan++ ) { + coords[chan] = lp_build_emit_fetch(bld_base, + emit_data->inst, 0, + chan); + if (opcode == TGSI_OPCODE_TXP) + coords[chan] = lp_build_emit_llvm_binary(bld_base, + TGSI_OPCODE_DIV, + coords[chan], + coords[3]); + } + + if (opcode == TGSI_OPCODE_TXP) + coords[3] = bld_base->base.one; + + /* Pack offsets. */ + if (has_offset && + opcode != TGSI_OPCODE_TXF && + opcode != TGSI_OPCODE_TXF_LZ) { + /* The offsets are six-bit signed integers packed like this: + * X=[5:0], Y=[13:8], and Z=[21:16]. + */ + LLVMValueRef offset[3], pack; + + assert(inst->Texture.NumOffsets == 1); + + for (chan = 0; chan < 3; chan++) { + offset[chan] = lp_build_emit_fetch_texoffset(bld_base, + emit_data->inst, 0, chan); + offset[chan] = LLVMBuildAnd(gallivm->builder, offset[chan], + LLVMConstInt(ctx->i32, 0x3f, 0), ""); + if (chan) + offset[chan] = LLVMBuildShl(gallivm->builder, offset[chan], + LLVMConstInt(ctx->i32, chan*8, 0), ""); + } + + pack = LLVMBuildOr(gallivm->builder, offset[0], offset[1], ""); + pack = LLVMBuildOr(gallivm->builder, pack, offset[2], ""); + address[count++] = pack; + } + + /* Pack LOD bias value */ + if (opcode == TGSI_OPCODE_TXB) + address[count++] = coords[3]; + if (opcode == TGSI_OPCODE_TXB2) + address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); + + /* Pack depth comparison value */ + if (tgsi_is_shadow_target(target) && opcode != TGSI_OPCODE_LODQ) { + LLVMValueRef z; + + if (target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) { + z = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); + } else { + assert(ref_pos >= 0); + z = coords[ref_pos]; + } + + /* TC-compatible HTILE promotes Z16 and Z24 to Z32_FLOAT, + * so the depth comparison value isn't clamped for Z16 and + * Z24 anymore. Do it manually here. + * + * It's unnecessary if the original texture format was + * Z32_FLOAT, but we don't know that here. + */ + if (ctx->screen->b.chip_class == VI) + z = ac_build_clamp(&ctx->ac, z); + + address[count++] = z; + } + + /* Pack user derivatives */ + if (opcode == TGSI_OPCODE_TXD) { + int param, num_src_deriv_channels, num_dst_deriv_channels; + + switch (target) { + case TGSI_TEXTURE_3D: + num_src_deriv_channels = 3; + num_dst_deriv_channels = 3; + num_deriv_channels = 3; + break; + case TGSI_TEXTURE_2D: + case TGSI_TEXTURE_SHADOW2D: + case TGSI_TEXTURE_RECT: + case TGSI_TEXTURE_SHADOWRECT: + case TGSI_TEXTURE_2D_ARRAY: + case TGSI_TEXTURE_SHADOW2D_ARRAY: + num_src_deriv_channels = 2; + num_dst_deriv_channels = 2; + num_deriv_channels = 2; + break; + case TGSI_TEXTURE_CUBE: + case TGSI_TEXTURE_SHADOWCUBE: + case TGSI_TEXTURE_CUBE_ARRAY: + case TGSI_TEXTURE_SHADOWCUBE_ARRAY: + /* Cube derivatives will be converted to 2D. */ + num_src_deriv_channels = 3; + num_dst_deriv_channels = 3; + num_deriv_channels = 2; + break; + case TGSI_TEXTURE_1D: + case TGSI_TEXTURE_SHADOW1D: + case TGSI_TEXTURE_1D_ARRAY: + case TGSI_TEXTURE_SHADOW1D_ARRAY: + num_src_deriv_channels = 1; + + /* 1D textures are allocated and used as 2D on GFX9. */ + if (ctx->screen->b.chip_class >= GFX9) { + num_dst_deriv_channels = 2; + num_deriv_channels = 2; + } else { + num_dst_deriv_channels = 1; + num_deriv_channels = 1; + } + break; + default: + unreachable("invalid target"); + } + + for (param = 0; param < 2; param++) { + for (chan = 0; chan < num_src_deriv_channels; chan++) + derivs[param * num_dst_deriv_channels + chan] = + lp_build_emit_fetch(bld_base, inst, param+1, chan); + + /* Fill in the rest with zeros. */ + for (chan = num_src_deriv_channels; + chan < num_dst_deriv_channels; chan++) + derivs[param * num_dst_deriv_channels + chan] = + bld_base->base.zero; + } + } + + if (target == TGSI_TEXTURE_CUBE || + target == TGSI_TEXTURE_CUBE_ARRAY || + target == TGSI_TEXTURE_SHADOWCUBE || + target == TGSI_TEXTURE_SHADOWCUBE_ARRAY) + ac_prepare_cube_coords(&ctx->ac, + opcode == TGSI_OPCODE_TXD, + target == TGSI_TEXTURE_CUBE_ARRAY || + target == TGSI_TEXTURE_SHADOWCUBE_ARRAY, + coords, derivs); + + if (opcode == TGSI_OPCODE_TXD) + for (int i = 0; i < num_deriv_channels * 2; i++) + address[count++] = derivs[i]; + + /* Pack texture coordinates */ + address[count++] = coords[0]; + if (num_coords > 1) + address[count++] = coords[1]; + if (num_coords > 2) + address[count++] = coords[2]; + + /* 1D textures are allocated and used as 2D on GFX9. */ + if (ctx->screen->b.chip_class >= GFX9) { + LLVMValueRef filler; + + /* Use 0.5, so that we don't sample the border color. */ + if (opcode == TGSI_OPCODE_TXF) + filler = ctx->i32_0; + else + filler = LLVMConstReal(ctx->f32, 0.5); + + if (target == TGSI_TEXTURE_1D || + target == TGSI_TEXTURE_SHADOW1D) { + address[count++] = filler; + } else if (target == TGSI_TEXTURE_1D_ARRAY || + target == TGSI_TEXTURE_SHADOW1D_ARRAY) { + address[count] = address[count - 1]; + address[count - 1] = filler; + count++; + } + } + + /* Pack LOD or sample index */ + if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXF) + address[count++] = coords[3]; + else if (opcode == TGSI_OPCODE_TXL2) + address[count++] = lp_build_emit_fetch(bld_base, inst, 1, TGSI_CHAN_X); + + if (count > 16) { + assert(!"Cannot handle more than 16 texture address parameters"); + count = 16; + } + + for (chan = 0; chan < count; chan++ ) { + address[chan] = LLVMBuildBitCast(gallivm->builder, + address[chan], ctx->i32, ""); + } + + /* Adjust the sample index according to FMASK. + * + * For uncompressed MSAA surfaces, FMASK should return 0x76543210, + * which is the identity mapping. Each nibble says which physical sample + * should be fetched to get that sample. + * + * For example, 0x11111100 means there are only 2 samples stored and + * the second sample covers 3/4 of the pixel. When reading samples 0 + * and 1, return physical sample 0 (determined by the first two 0s + * in FMASK), otherwise return physical sample 1. + * + * The sample index should be adjusted as follows: + * sample_index = (fmask >> (sample_index * 4)) & 0xF; + */ + if (target == TGSI_TEXTURE_2D_MSAA || + target == TGSI_TEXTURE_2D_ARRAY_MSAA) { + struct lp_build_emit_data txf_emit_data = *emit_data; + LLVMValueRef txf_address[4]; + /* We only need .xy for non-arrays, and .xyz for arrays. */ + unsigned txf_count = target == TGSI_TEXTURE_2D_MSAA ? 2 : 3; + struct tgsi_full_instruction inst = {}; + + memcpy(txf_address, address, sizeof(txf_address)); + + /* Read FMASK using TXF_LZ. */ + inst.Instruction.Opcode = TGSI_OPCODE_TXF_LZ; + inst.Texture.Texture = target; + txf_emit_data.inst = &inst; + txf_emit_data.chan = 0; + set_tex_fetch_args(ctx, &txf_emit_data, + target, fmask_ptr, NULL, + txf_address, txf_count, 0xf); + build_tex_intrinsic(&tex_action, bld_base, &txf_emit_data); + + /* Initialize some constants. */ + LLVMValueRef four = LLVMConstInt(ctx->i32, 4, 0); + LLVMValueRef F = LLVMConstInt(ctx->i32, 0xF, 0); + + /* Apply the formula. */ + LLVMValueRef fmask = + LLVMBuildExtractElement(gallivm->builder, + txf_emit_data.output[0], + ctx->i32_0, ""); + + unsigned sample_chan = txf_count; /* the sample index is last */ + + LLVMValueRef sample_index4 = + LLVMBuildMul(gallivm->builder, address[sample_chan], four, ""); + + LLVMValueRef shifted_fmask = + LLVMBuildLShr(gallivm->builder, fmask, sample_index4, ""); + + LLVMValueRef final_sample = + LLVMBuildAnd(gallivm->builder, shifted_fmask, F, ""); + + /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK + * resource descriptor is 0 (invalid), + */ + LLVMValueRef fmask_desc = + LLVMBuildBitCast(gallivm->builder, fmask_ptr, + ctx->v8i32, ""); + + LLVMValueRef fmask_word1 = + LLVMBuildExtractElement(gallivm->builder, fmask_desc, + ctx->i32_1, ""); + + LLVMValueRef word1_is_nonzero = + LLVMBuildICmp(gallivm->builder, LLVMIntNE, + fmask_word1, ctx->i32_0, ""); + + /* Replace the MSAA sample index. */ + address[sample_chan] = + LLVMBuildSelect(gallivm->builder, word1_is_nonzero, + final_sample, address[sample_chan], ""); + } + + if (opcode == TGSI_OPCODE_TXF || + opcode == TGSI_OPCODE_TXF_LZ) { + /* add tex offsets */ + if (inst->Texture.NumOffsets) { + struct lp_build_context *uint_bld = &bld_base->uint_bld; + const struct tgsi_texture_offset *off = inst->TexOffsets; + + assert(inst->Texture.NumOffsets == 1); + + switch (target) { + case TGSI_TEXTURE_3D: + address[2] = lp_build_add(uint_bld, address[2], + ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleZ]); + /* fall through */ + case TGSI_TEXTURE_2D: + case TGSI_TEXTURE_SHADOW2D: + case TGSI_TEXTURE_RECT: + case TGSI_TEXTURE_SHADOWRECT: + case TGSI_TEXTURE_2D_ARRAY: + case TGSI_TEXTURE_SHADOW2D_ARRAY: + address[1] = + lp_build_add(uint_bld, address[1], + ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleY]); + /* fall through */ + case TGSI_TEXTURE_1D: + case TGSI_TEXTURE_SHADOW1D: + case TGSI_TEXTURE_1D_ARRAY: + case TGSI_TEXTURE_SHADOW1D_ARRAY: + address[0] = + lp_build_add(uint_bld, address[0], + ctx->imms[off->Index * TGSI_NUM_CHANNELS + off->SwizzleX]); + break; + /* texture offsets do not apply to other texture targets */ + } + } + } + + if (opcode == TGSI_OPCODE_TG4) { + unsigned gather_comp = 0; + + /* DMASK was repurposed for GATHER4. 4 components are always + * returned and DMASK works like a swizzle - it selects + * the component to fetch. The only valid DMASK values are + * 1=red, 2=green, 4=blue, 8=alpha. (e.g. 1 returns + * (red,red,red,red) etc.) The ISA document doesn't mention + * this. + */ + + /* Get the component index from src1.x for Gather4. */ + if (!tgsi_is_shadow_target(target)) { + LLVMValueRef comp_imm; + struct tgsi_src_register src1 = inst->Src[1].Register; + + assert(src1.File == TGSI_FILE_IMMEDIATE); + + comp_imm = ctx->imms[src1.Index * TGSI_NUM_CHANNELS + src1.SwizzleX]; + gather_comp = LLVMConstIntGetZExtValue(comp_imm); + gather_comp = CLAMP(gather_comp, 0, 3); + } + + dmask = 1 << gather_comp; + } + + set_tex_fetch_args(ctx, emit_data, target, res_ptr, + samp_ptr, address, count, dmask); +} + +/* Gather4 should follow the same rules as bilinear filtering, but the hardware + * incorrectly forces nearest filtering if the texture format is integer. + * The only effect it has on Gather4, which always returns 4 texels for + * bilinear filtering, is that the final coordinates are off by 0.5 of + * the texel size. + * + * The workaround is to subtract 0.5 from the unnormalized coordinates, + * or (0.5 / size) from the normalized coordinates. + */ +static void si_lower_gather4_integer(struct si_shader_context *ctx, + struct ac_image_args *args, + unsigned target) +{ + LLVMBuilderRef builder = ctx->gallivm.builder; + LLVMValueRef coord = args->addr; + LLVMValueRef half_texel[2]; + /* Texture coordinates start after: + * {offset, bias, z-compare, derivatives} + * Only the offset and z-compare can occur here. + */ + unsigned coord_vgpr_index = (int)args->offset + (int)args->compare; + int c; + + if (target == TGSI_TEXTURE_RECT || + target == TGSI_TEXTURE_SHADOWRECT) { + half_texel[0] = half_texel[1] = LLVMConstReal(ctx->f32, -0.5); + } else { + struct tgsi_full_instruction txq_inst = {}; + struct lp_build_emit_data txq_emit_data = {}; + + /* Query the texture size. */ + txq_inst.Texture.Texture = target; + txq_emit_data.inst = &txq_inst; + txq_emit_data.dst_type = ctx->v4i32; + set_tex_fetch_args(ctx, &txq_emit_data, target, + args->resource, NULL, &ctx->i32_0, + 1, 0xf); + txq_emit(NULL, &ctx->bld_base, &txq_emit_data); + + /* Compute -0.5 / size. */ + for (c = 0; c < 2; c++) { + half_texel[c] = + LLVMBuildExtractElement(builder, txq_emit_data.output[0], + LLVMConstInt(ctx->i32, c, 0), ""); + half_texel[c] = LLVMBuildUIToFP(builder, half_texel[c], ctx->f32, ""); + half_texel[c] = + lp_build_emit_llvm_unary(&ctx->bld_base, + TGSI_OPCODE_RCP, half_texel[c]); + half_texel[c] = LLVMBuildFMul(builder, half_texel[c], + LLVMConstReal(ctx->f32, -0.5), ""); + } + } + + for (c = 0; c < 2; c++) { + LLVMValueRef tmp; + LLVMValueRef index = LLVMConstInt(ctx->i32, coord_vgpr_index + c, 0); + + tmp = LLVMBuildExtractElement(builder, coord, index, ""); + tmp = LLVMBuildBitCast(builder, tmp, ctx->f32, ""); + tmp = LLVMBuildFAdd(builder, tmp, half_texel[c], ""); + tmp = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); + coord = LLVMBuildInsertElement(builder, coord, tmp, index, ""); + } + + args->addr = coord; +} + +static void build_tex_intrinsic(const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + const struct tgsi_full_instruction *inst = emit_data->inst; + struct ac_image_args args; + unsigned opcode = inst->Instruction.Opcode; + unsigned target = inst->Texture.Texture; + + if (target == TGSI_TEXTURE_BUFFER) { + emit_data->output[emit_data->chan] = + ac_build_buffer_load_format(&ctx->ac, + emit_data->args[0], + emit_data->args[2], + emit_data->args[1], + true); + return; + } + + memcpy(&args, emit_data->args, sizeof(args)); /* ugly */ + + args.opcode = ac_image_sample; + args.compare = tgsi_is_shadow_target(target); + args.offset = inst->Texture.NumOffsets > 0; + + switch (opcode) { + case TGSI_OPCODE_TXF: + case TGSI_OPCODE_TXF_LZ: + args.opcode = opcode == TGSI_OPCODE_TXF_LZ || + target == TGSI_TEXTURE_2D_MSAA || + target == TGSI_TEXTURE_2D_ARRAY_MSAA ? + ac_image_load : ac_image_load_mip; + args.compare = false; + args.offset = false; + break; + case TGSI_OPCODE_LODQ: + args.opcode = ac_image_get_lod; + args.compare = false; + args.offset = false; + break; + case TGSI_OPCODE_TEX: + case TGSI_OPCODE_TEX2: + case TGSI_OPCODE_TXP: + if (ctx->type != PIPE_SHADER_FRAGMENT) + args.level_zero = true; + break; + case TGSI_OPCODE_TEX_LZ: + args.level_zero = true; + break; + case TGSI_OPCODE_TXB: + case TGSI_OPCODE_TXB2: + assert(ctx->type == PIPE_SHADER_FRAGMENT); + args.bias = true; + break; + case TGSI_OPCODE_TXL: + case TGSI_OPCODE_TXL2: + args.lod = true; + break; + case TGSI_OPCODE_TXD: + args.deriv = true; + break; + case TGSI_OPCODE_TG4: + args.opcode = ac_image_gather4; + args.level_zero = true; + break; + default: + assert(0); + return; + } + + /* The hardware needs special lowering for Gather4 with integer formats. */ + if (ctx->screen->b.chip_class <= VI && + opcode == TGSI_OPCODE_TG4) { + struct tgsi_shader_info *info = &ctx->shader->selector->info; + /* This will also work with non-constant indexing because of how + * glsl_to_tgsi works and we intent to preserve that behavior. + */ + const unsigned src_idx = 2; + unsigned sampler = inst->Src[src_idx].Register.Index; + + assert(inst->Src[src_idx].Register.File == TGSI_FILE_SAMPLER); + + if (info->sampler_type[sampler] == TGSI_RETURN_TYPE_SINT || + info->sampler_type[sampler] == TGSI_RETURN_TYPE_UINT) + si_lower_gather4_integer(ctx, &args, target); + } + + emit_data->output[emit_data->chan] = + ac_build_image_opcode(&ctx->ac, &args); +} + +static void si_llvm_emit_txqs( + const struct lp_build_tgsi_action *action, + struct lp_build_tgsi_context *bld_base, + struct lp_build_emit_data *emit_data) +{ + struct si_shader_context *ctx = si_shader_context(bld_base); + struct gallivm_state *gallivm = &ctx->gallivm; + LLVMBuilderRef builder = gallivm->builder; + LLVMValueRef res, samples; + LLVMValueRef res_ptr, samp_ptr, fmask_ptr = NULL; + + tex_fetch_ptrs(bld_base, emit_data, &res_ptr, &samp_ptr, &fmask_ptr); + + + /* Read the samples from the descriptor directly. */ + res = LLVMBuildBitCast(builder, res_ptr, ctx->v8i32, ""); + samples = LLVMBuildExtractElement( + builder, res, + LLVMConstInt(ctx->i32, 3, 0), ""); + samples = LLVMBuildLShr(builder, samples, + LLVMConstInt(ctx->i32, 16, 0), ""); + samples = LLVMBuildAnd(builder, samples, + LLVMConstInt(ctx->i32, 0xf, 0), ""); + samples = LLVMBuildShl(builder, ctx->i32_1, + samples, ""); + + emit_data->output[emit_data->chan] = samples; +} + +static const struct lp_build_tgsi_action tex_action = { + .fetch_args = tex_fetch_args, + .emit = build_tex_intrinsic, +}; + +/** + * Setup actions for TGSI memory opcode, including texture opcodes. + */ +void si_shader_context_init_mem(struct si_shader_context *ctx) +{ + struct lp_build_tgsi_context *bld_base; + struct lp_build_tgsi_action tmpl = {}; + + bld_base = &ctx->bld_base; + + bld_base->op_actions[TGSI_OPCODE_TEX] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TEX_LZ] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TEX2] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXB] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXB2] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXD] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXF] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXF_LZ] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXL] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXL2] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXQ].fetch_args = txq_fetch_args; + bld_base->op_actions[TGSI_OPCODE_TXQ].emit = txq_emit; + bld_base->op_actions[TGSI_OPCODE_TG4] = tex_action; + bld_base->op_actions[TGSI_OPCODE_LODQ] = tex_action; + bld_base->op_actions[TGSI_OPCODE_TXQS].emit = si_llvm_emit_txqs; + + bld_base->op_actions[TGSI_OPCODE_LOAD].fetch_args = load_fetch_args; + bld_base->op_actions[TGSI_OPCODE_LOAD].emit = load_emit; + bld_base->op_actions[TGSI_OPCODE_STORE].fetch_args = store_fetch_args; + bld_base->op_actions[TGSI_OPCODE_STORE].emit = store_emit; + bld_base->op_actions[TGSI_OPCODE_RESQ].fetch_args = resq_fetch_args; + bld_base->op_actions[TGSI_OPCODE_RESQ].emit = resq_emit; + + tmpl.fetch_args = atomic_fetch_args; + tmpl.emit = atomic_emit; + bld_base->op_actions[TGSI_OPCODE_ATOMUADD] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMUADD].intr_name = "add"; + bld_base->op_actions[TGSI_OPCODE_ATOMXCHG] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMXCHG].intr_name = "swap"; + bld_base->op_actions[TGSI_OPCODE_ATOMCAS] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMCAS].intr_name = "cmpswap"; + bld_base->op_actions[TGSI_OPCODE_ATOMAND] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMAND].intr_name = "and"; + bld_base->op_actions[TGSI_OPCODE_ATOMOR] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMOR].intr_name = "or"; + bld_base->op_actions[TGSI_OPCODE_ATOMXOR] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMXOR].intr_name = "xor"; + bld_base->op_actions[TGSI_OPCODE_ATOMUMIN] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMUMIN].intr_name = "umin"; + bld_base->op_actions[TGSI_OPCODE_ATOMUMAX] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMUMAX].intr_name = "umax"; + bld_base->op_actions[TGSI_OPCODE_ATOMIMIN] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMIMIN].intr_name = "smin"; + bld_base->op_actions[TGSI_OPCODE_ATOMIMAX] = tmpl; + bld_base->op_actions[TGSI_OPCODE_ATOMIMAX].intr_name = "smax"; +} diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c index f717299e78a..ad586c39c22 100644 --- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c +++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c @@ -1277,6 +1277,7 @@ void si_llvm_context_init(struct si_shader_context *ctx, bld_base->op_actions[TGSI_OPCODE_ENDLOOP].emit = endloop_emit; si_shader_context_init_alu(&ctx->bld_base); + si_shader_context_init_mem(ctx); ctx->voidt = LLVMVoidTypeInContext(ctx->gallivm.context); ctx->i1 = LLVMInt1TypeInContext(ctx->gallivm.context); |