diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 489 |
1 files changed, 445 insertions, 44 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 7fb86d7cb27..140e596f994 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -31,6 +31,9 @@ #include "draw_vs.h" #include "gallivm/lp_bld_arit.h" +#include "gallivm/lp_bld_logic.h" +#include "gallivm/lp_bld_const.h" +#include "gallivm/lp_bld_swizzle.h" #include "gallivm/lp_bld_struct.h" #include "gallivm/lp_bld_type.h" #include "gallivm/lp_bld_flow.h" @@ -43,7 +46,6 @@ #include "tgsi/tgsi_exec.h" #include "tgsi/tgsi_dump.h" -#include "util/u_cpu_detect.h" #include "util/u_math.h" #include "util/u_pointer.h" #include "util/u_string.h" @@ -72,12 +74,12 @@ init_globals(struct draw_llvm *llvm) elem_types[DRAW_JIT_TEXTURE_DEPTH] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_ROW_STRIDE] = - LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS); + LLVMArrayType(LLVMInt32Type(), PIPE_MAX_TEXTURE_LEVELS); elem_types[DRAW_JIT_TEXTURE_IMG_STRIDE] = - LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS); + LLVMArrayType(LLVMInt32Type(), PIPE_MAX_TEXTURE_LEVELS); elem_types[DRAW_JIT_TEXTURE_DATA] = LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0), - DRAW_MAX_TEXTURE_LEVELS); + PIPE_MAX_TEXTURE_LEVELS); elem_types[DRAW_JIT_TEXTURE_MIN_LOD] = LLVMFloatType(); elem_types[DRAW_JIT_TEXTURE_MAX_LOD] = LLVMFloatType(); elem_types[DRAW_JIT_TEXTURE_LOD_BIAS] = LLVMFloatType(); @@ -128,12 +130,14 @@ init_globals(struct draw_llvm *llvm) /* struct draw_jit_context */ { - LLVMTypeRef elem_types[3]; + LLVMTypeRef elem_types[5]; LLVMTypeRef context_type; elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ - elem_types[1] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ - elem_types[2] = LLVMArrayType(texture_type, + elem_types[1] = LLVMPointerType(LLVMFloatType(), 0); /* gs_constants */ + elem_types[2] = LLVMPointerType(LLVMArrayType(LLVMArrayType(LLVMFloatType(), 4), 12), 0); /* planes */ + elem_types[3] = LLVMPointerType(LLVMFloatType(), 0); /* viewport */ + elem_types[4] = LLVMArrayType(texture_type, PIPE_MAX_VERTEX_SAMPLERS); /* textures */ context_type = LLVMStructType(elem_types, Elements(elem_types), 0); @@ -142,6 +146,8 @@ init_globals(struct draw_llvm *llvm) llvm->target, context_type, 0); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, gs_constants, llvm->target, context_type, 1); + LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, planes, + llvm->target, context_type, 2); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures, llvm->target, context_type, DRAW_JIT_CTX_TEXTURES); @@ -267,13 +273,7 @@ draw_llvm_create(struct draw_context *draw) LLVMAddConstantPropagationPass(llvm->pass); } - if(util_cpu_caps.has_sse4_1) { - /* FIXME: There is a bug in this pass, whereby the combination of fptosi - * and sitofp (necessary for trunc/floor/ceil/round implementation) - * somehow becomes invalid code. - */ - LLVMAddInstructionCombiningPass(llvm->pass); - } + LLVMAddInstructionCombiningPass(llvm->pass); LLVMAddGVNPass(llvm->pass); } else { /* We need at least this pass to prevent the backends to fail in @@ -421,7 +421,7 @@ generate_fetch(LLVMBuilderRef builder, "instance_divisor"); } - /* limit index to min(inex, vb_max_index) */ + /* limit index to min(index, vb_max_index) */ cond = LLVMBuildICmp(builder, LLVMIntULE, index, vb_max_index, ""); index = LLVMBuildSelect(builder, cond, index, vb_max_index, ""); @@ -550,19 +550,28 @@ static void store_aos(LLVMBuilderRef builder, LLVMValueRef io_ptr, LLVMValueRef index, - LLVMValueRef value) + LLVMValueRef value, + LLVMValueRef clipmask) { LLVMValueRef id_ptr = draw_jit_header_id(builder, io_ptr); LLVMValueRef data_ptr = draw_jit_header_data(builder, io_ptr); LLVMValueRef indices[3]; + LLVMValueRef val, shift; indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); indices[1] = index; indices[2] = LLVMConstInt(LLVMInt32Type(), 0, 0); - /* undefined vertex */ - LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(), - 0xffff, 0), id_ptr); + /* initialize vertex id:16 = 0xffff, pad:3 = 0, edgeflag:1 = 1 */ + val = LLVMConstInt(LLVMInt32Type(), 0xffff1, 0); + shift = LLVMConstInt(LLVMInt32Type(), 12, 0); + val = LLVMBuildShl(builder, val, shift, ""); + /* add clipmask:12 */ + val = LLVMBuildOr(builder, val, clipmask, ""); + + /* store vertex header */ + LLVMBuildStore(builder, val, id_ptr); + #if DEBUG_STORE lp_build_printf(builder, " ---- %p storing attribute %d (io = %p)\n", data_ptr, index, io_ptr); @@ -617,7 +626,8 @@ store_aos_array(LLVMBuilderRef builder, LLVMValueRef io_ptr, LLVMValueRef aos[NUM_CHANNELS], int attrib, - int num_outputs) + int num_outputs, + LLVMValueRef clipmask) { LLVMValueRef attr_index = LLVMConstInt(LLVMInt32Type(), attrib, 0); LLVMValueRef ind0 = LLVMConstInt(LLVMInt32Type(), 0, 0); @@ -625,7 +635,8 @@ store_aos_array(LLVMBuilderRef builder, LLVMValueRef ind2 = LLVMConstInt(LLVMInt32Type(), 2, 0); LLVMValueRef ind3 = LLVMConstInt(LLVMInt32Type(), 3, 0); LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr; - + LLVMValueRef clipmask0, clipmask1, clipmask2, clipmask3; + debug_assert(NUM_CHANNELS == 4); io0_ptr = LLVMBuildGEP(builder, io_ptr, @@ -637,21 +648,31 @@ store_aos_array(LLVMBuilderRef builder, io3_ptr = LLVMBuildGEP(builder, io_ptr, &ind3, 1, ""); + clipmask0 = LLVMBuildExtractElement(builder, clipmask, + ind0, ""); + clipmask1 = LLVMBuildExtractElement(builder, clipmask, + ind1, ""); + clipmask2 = LLVMBuildExtractElement(builder, clipmask, + ind2, ""); + clipmask3 = LLVMBuildExtractElement(builder, clipmask, + ind3, ""); + #if DEBUG_STORE - lp_build_printf(builder, " io = %p, indexes[%d, %d, %d, %d]\n", - io_ptr, ind0, ind1, ind2, ind3); + lp_build_printf(builder, "io = %p, indexes[%d, %d, %d, %d]\n, clipmask0 = %x, clipmask1 = %x, clipmask2 = %x, clipmask3 = %x\n", + io_ptr, ind0, ind1, ind2, ind3, clipmask0, clipmask1, clipmask2, clipmask3); #endif - - store_aos(builder, io0_ptr, attr_index, aos[0]); - store_aos(builder, io1_ptr, attr_index, aos[1]); - store_aos(builder, io2_ptr, attr_index, aos[2]); - store_aos(builder, io3_ptr, attr_index, aos[3]); + /* store for each of the 4 vertices */ + store_aos(builder, io0_ptr, attr_index, aos[0], clipmask0); + store_aos(builder, io1_ptr, attr_index, aos[1], clipmask1); + store_aos(builder, io2_ptr, attr_index, aos[2], clipmask2); + store_aos(builder, io3_ptr, attr_index, aos[3], clipmask3); } static void convert_to_aos(LLVMBuilderRef builder, LLVMValueRef io, LLVMValueRef (*outputs)[NUM_CHANNELS], + LLVMValueRef clipmask, int num_outputs, int max_vertices) { @@ -680,13 +701,305 @@ convert_to_aos(LLVMBuilderRef builder, io, aos, attrib, - num_outputs); + num_outputs, + clipmask); } #if DEBUG_STORE lp_build_printf(builder, " # storing end\n"); #endif } +/* + * Stores original vertex positions in clip coordinates + * There is probably a more efficient way to do this, 4 floats at once + * rather than extracting each element one by one. + */ +static void +store_clip(LLVMBuilderRef builder, + LLVMValueRef io_ptr, + LLVMValueRef (*outputs)[NUM_CHANNELS]) +{ + LLVMValueRef out[4]; + LLVMValueRef indices[2]; + LLVMValueRef io0_ptr, io1_ptr, io2_ptr, io3_ptr; + LLVMValueRef clip_ptr0, clip_ptr1, clip_ptr2, clip_ptr3; + LLVMValueRef clip0_ptr, clip1_ptr, clip2_ptr, clip3_ptr; + LLVMValueRef out0elem, out1elem, out2elem, out3elem; + int i; + + LLVMValueRef ind0 = LLVMConstInt(LLVMInt32Type(), 0, 0); + LLVMValueRef ind1 = LLVMConstInt(LLVMInt32Type(), 1, 0); + LLVMValueRef ind2 = LLVMConstInt(LLVMInt32Type(), 2, 0); + LLVMValueRef ind3 = LLVMConstInt(LLVMInt32Type(), 3, 0); + + indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); + indices[1] = LLVMConstInt(LLVMInt32Type(), 0, 0); + + out[0] = LLVMBuildLoad(builder, outputs[0][0], ""); /*x0 x1 x2 x3*/ + out[1] = LLVMBuildLoad(builder, outputs[0][1], ""); /*y0 y1 y2 y3*/ + out[2] = LLVMBuildLoad(builder, outputs[0][2], ""); /*z0 z1 z2 z3*/ + out[3] = LLVMBuildLoad(builder, outputs[0][3], ""); /*w0 w1 w2 w3*/ + + io0_ptr = LLVMBuildGEP(builder, io_ptr, &ind0, 1, ""); + io1_ptr = LLVMBuildGEP(builder, io_ptr, &ind1, 1, ""); + io2_ptr = LLVMBuildGEP(builder, io_ptr, &ind2, 1, ""); + io3_ptr = LLVMBuildGEP(builder, io_ptr, &ind3, 1, ""); + + clip_ptr0 = draw_jit_header_clip(builder, io0_ptr); + clip_ptr1 = draw_jit_header_clip(builder, io1_ptr); + clip_ptr2 = draw_jit_header_clip(builder, io2_ptr); + clip_ptr3 = draw_jit_header_clip(builder, io3_ptr); + + for (i = 0; i<4; i++){ + clip0_ptr = LLVMBuildGEP(builder, clip_ptr0, + indices, 2, ""); //x0 + clip1_ptr = LLVMBuildGEP(builder, clip_ptr1, + indices, 2, ""); //x1 + clip2_ptr = LLVMBuildGEP(builder, clip_ptr2, + indices, 2, ""); //x2 + clip3_ptr = LLVMBuildGEP(builder, clip_ptr3, + indices, 2, ""); //x3 + + out0elem = LLVMBuildExtractElement(builder, out[i], + ind0, ""); //x0 + out1elem = LLVMBuildExtractElement(builder, out[i], + ind1, ""); //x1 + out2elem = LLVMBuildExtractElement(builder, out[i], + ind2, ""); //x2 + out3elem = LLVMBuildExtractElement(builder, out[i], + ind3, ""); //x3 + + LLVMBuildStore(builder, out0elem, clip0_ptr); + LLVMBuildStore(builder, out1elem, clip1_ptr); + LLVMBuildStore(builder, out2elem, clip2_ptr); + LLVMBuildStore(builder, out3elem, clip3_ptr); + + indices[1]= LLVMBuildAdd(builder, indices[1], ind1, ""); + } + +} + +/* Equivalent of _mm_set1_ps(a) + */ +static LLVMValueRef vec4f_from_scalar(LLVMBuilderRef bld, + LLVMValueRef a, + const char *name) +{ + LLVMValueRef res = LLVMGetUndef(LLVMVectorType(LLVMFloatType(), 4)); + int i; + + for(i = 0; i < 4; ++i) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); + res = LLVMBuildInsertElement(bld, res, a, index, i == 3 ? name : ""); + } + + return res; +} + +/* + * Transforms the outputs for viewport mapping + */ +static void +generate_viewport(struct draw_llvm *llvm, + LLVMBuilderRef builder, + LLVMValueRef (*outputs)[NUM_CHANNELS], + LLVMValueRef context_ptr) +{ + int i; + struct lp_type f32_type = lp_type_float_vec(32); + LLVMValueRef out3 = LLVMBuildLoad(builder, outputs[0][3], ""); /*w0 w1 w2 w3*/ + LLVMValueRef const1 = lp_build_const_vec(f32_type, 1.0); /*1.0 1.0 1.0 1.0*/ + LLVMValueRef vp_ptr = draw_jit_context_viewport(builder, context_ptr); + + /* for 1/w convention*/ + out3 = LLVMBuildFDiv(builder, const1, out3, ""); + LLVMBuildStore(builder, out3, outputs[0][3]); + + /* Viewport Mapping */ + for (i=0; i<3; i++){ + LLVMValueRef out = LLVMBuildLoad(builder, outputs[0][i], ""); /*x0 x1 x2 x3*/ + LLVMValueRef scale; + LLVMValueRef trans; + LLVMValueRef scale_i; + LLVMValueRef trans_i; + LLVMValueRef index; + + index = LLVMConstInt(LLVMInt32Type(), i, 0); + scale_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, ""); + + index = LLVMConstInt(LLVMInt32Type(), i+4, 0); + trans_i = LLVMBuildGEP(builder, vp_ptr, &index, 1, ""); + + scale = vec4f_from_scalar(builder, LLVMBuildLoad(builder, scale_i, ""), "scale"); + trans = vec4f_from_scalar(builder, LLVMBuildLoad(builder, trans_i, ""), "trans"); + + /* divide by w */ + out = LLVMBuildFMul(builder, out, out3, ""); + /* mult by scale */ + out = LLVMBuildFMul(builder, out, scale, ""); + /* add translation */ + out = LLVMBuildFAdd(builder, out, trans, ""); + + /* store transformed outputs */ + LLVMBuildStore(builder, out, outputs[0][i]); + } + +} + + +/* + * Returns clipmask as 4xi32 bitmask for the 4 vertices + */ +static LLVMValueRef +generate_clipmask(LLVMBuilderRef builder, + LLVMValueRef (*outputs)[NUM_CHANNELS], + boolean clip_xy, + boolean clip_z, + boolean clip_user, + boolean clip_halfz, + unsigned nr, + LLVMValueRef context_ptr) +{ + LLVMValueRef mask; /* stores the <4xi32> clipmasks */ + LLVMValueRef test, temp; + LLVMValueRef zero, shift; + LLVMValueRef pos_x, pos_y, pos_z, pos_w; + LLVMValueRef plane1, planes, plane_ptr, sum; + + unsigned i; + + struct lp_type f32_type = lp_type_float_vec(32); + + mask = lp_build_const_int_vec(lp_type_int_vec(32), 0); + temp = lp_build_const_int_vec(lp_type_int_vec(32), 0); + zero = lp_build_const_vec(f32_type, 0); /* 0.0f 0.0f 0.0f 0.0f */ + shift = lp_build_const_int_vec(lp_type_int_vec(32), 1); /* 1 1 1 1 */ + + /* Assuming position stored at output[0] */ + pos_x = LLVMBuildLoad(builder, outputs[0][0], ""); /*x0 x1 x2 x3*/ + pos_y = LLVMBuildLoad(builder, outputs[0][1], ""); /*y0 y1 y2 y3*/ + pos_z = LLVMBuildLoad(builder, outputs[0][2], ""); /*z0 z1 z2 z3*/ + pos_w = LLVMBuildLoad(builder, outputs[0][3], ""); /*w0 w1 w2 w3*/ + + /* Cliptest, for hardwired planes */ + if (clip_xy){ + /* plane 1 */ + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, pos_x , pos_w); + temp = shift; + test = LLVMBuildAnd(builder, test, temp, ""); + mask = test; + + /* plane 2 */ + test = LLVMBuildFAdd(builder, pos_x, pos_w, ""); + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, test); + temp = LLVMBuildShl(builder, temp, shift, ""); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + + /* plane 3 */ + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, pos_y, pos_w); + temp = LLVMBuildShl(builder, temp, shift, ""); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + + /* plane 4 */ + test = LLVMBuildFAdd(builder, pos_y, pos_w, ""); + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, test); + temp = LLVMBuildShl(builder, temp, shift, ""); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + } + + if (clip_z){ + temp = lp_build_const_int_vec(lp_type_int_vec(32), 16); + if (clip_halfz){ + /* plane 5 */ + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, pos_z); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + } + else{ + /* plane 5 */ + test = LLVMBuildFAdd(builder, pos_z, pos_w, ""); + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, test); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + } + /* plane 6 */ + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, pos_z, pos_w); + temp = LLVMBuildShl(builder, temp, shift, ""); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + } + + if (clip_user){ + LLVMValueRef planes_ptr = draw_jit_context_planes(builder, context_ptr); + LLVMValueRef indices[3]; + temp = lp_build_const_int_vec(lp_type_int_vec(32), 32); + + /* userclip planes */ + for (i = 6; i < nr; i++) { + indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); + indices[1] = LLVMConstInt(LLVMInt32Type(), i, 0); + + indices[2] = LLVMConstInt(LLVMInt32Type(), 0, 0); + plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); + plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_x"); + planes = vec4f_from_scalar(builder, plane1, "plane4_x"); + sum = LLVMBuildFMul(builder, planes, pos_x, ""); + + indices[2] = LLVMConstInt(LLVMInt32Type(), 1, 0); + plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); + plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_y"); + planes = vec4f_from_scalar(builder, plane1, "plane4_y"); + test = LLVMBuildFMul(builder, planes, pos_y, ""); + sum = LLVMBuildFAdd(builder, sum, test, ""); + + indices[2] = LLVMConstInt(LLVMInt32Type(), 2, 0); + plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); + plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_z"); + planes = vec4f_from_scalar(builder, plane1, "plane4_z"); + test = LLVMBuildFMul(builder, planes, pos_z, ""); + sum = LLVMBuildFAdd(builder, sum, test, ""); + + indices[2] = LLVMConstInt(LLVMInt32Type(), 3, 0); + plane_ptr = LLVMBuildGEP(builder, planes_ptr, indices, 3, ""); + plane1 = LLVMBuildLoad(builder, plane_ptr, "plane_w"); + planes = vec4f_from_scalar(builder, plane1, "plane4_w"); + test = LLVMBuildFMul(builder, planes, pos_w, ""); + sum = LLVMBuildFAdd(builder, sum, test, ""); + + test = lp_build_compare(builder, f32_type, PIPE_FUNC_GREATER, zero, sum); + temp = LLVMBuildShl(builder, temp, shift, ""); + test = LLVMBuildAnd(builder, test, temp, ""); + mask = LLVMBuildOr(builder, mask, test, ""); + } + } + return mask; +} + +/* + * Returns boolean if any clipping has occurred + * Used zero/non-zero i32 value to represent boolean + */ +static void +clipmask_bool(LLVMBuilderRef builder, + LLVMValueRef clipmask, + LLVMValueRef ret_ptr) +{ + LLVMValueRef ret = LLVMBuildLoad(builder, ret_ptr, ""); + LLVMValueRef temp; + int i; + + for (i=0; i<4; i++){ + temp = LLVMBuildExtractElement(builder, clipmask, + LLVMConstInt(LLVMInt32Type(), i, 0) , ""); + ret = LLVMBuildOr(builder, ret, temp, ""); + } + + LLVMBuildStore(builder, ret, ret_ptr); +} + static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) { @@ -706,7 +1019,12 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; void *code; struct lp_build_sampler_soa *sampler = 0; - + LLVMValueRef ret, ret_ptr; + boolean bypass_viewport = variant->key.bypass_viewport; + boolean enable_cliptest = variant->key.clip_xy || + variant->key.clip_z || + variant->key.clip_user; + arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ arg_types[2] = llvm->buffer_ptr_type; /* vbuffers */ @@ -716,7 +1034,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) arg_types[6] = llvm->vb_ptr_type; /* pipe_vertex_buffer's */ arg_types[7] = LLVMInt32Type(); /* instance_id */ - func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); + func_type = LLVMFunctionType(LLVMInt32Type(), arg_types, Elements(arg_types), 0); variant->function = LLVMAddFunction(llvm->module, "draw_llvm_shader", func_type); LLVMSetFunctionCallConv(variant->function, LLVMCCallConv); @@ -756,6 +1074,10 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); + /* function will return non-zero i32 value if any clipped vertices */ + ret_ptr = lp_build_alloca(builder, LLVMInt32Type(), ""); + LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), ret_ptr); + /* code generated texture sampling */ sampler = draw_llvm_sampler_soa_create( draw_llvm_variant_key_samplers(&variant->key), @@ -770,6 +1092,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS]; LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS] = { { 0 } }; LLVMValueRef io; + LLVMValueRef clipmask; /* holds the clipmask value */ const LLVMValueRef (*ptr_aos)[NUM_CHANNELS]; io_itr = LLVMBuildSub(builder, lp_loop.counter, start, ""); @@ -806,10 +1129,37 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) context_ptr, sampler); - convert_to_aos(builder, io, outputs, + /* store original positions in clip before further manipulation */ + store_clip(builder, io, outputs); + + /* do cliptest */ + if (enable_cliptest){ + /* allocate clipmask, assign it integer type */ + clipmask = generate_clipmask(builder, outputs, + variant->key.clip_xy, + variant->key.clip_z, + variant->key.clip_user, + variant->key.clip_halfz, + variant->key.nr_planes, + context_ptr); + /* return clipping boolean value for function */ + clipmask_bool(builder, clipmask, ret_ptr); + } + else{ + clipmask = lp_build_const_int_vec(lp_type_int_vec(32), 0); + } + + /* do viewport mapping */ + if (!bypass_viewport){ + generate_viewport(llvm, builder, outputs, context_ptr); + } + + /* store clipmask in vertex header and positions in data */ + convert_to_aos(builder, io, outputs, clipmask, draw->vs.vertex_shader->info.num_outputs, max_vertices); } + lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop); sampler->destroy(sampler); @@ -819,8 +1169,9 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0); #endif - LLVMBuildRetVoid(builder); - + ret = LLVMBuildLoad(builder, ret_ptr,""); + LLVMBuildRet(builder, ret); + LLVMDisposeBuilder(builder); /* @@ -870,7 +1221,12 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian LLVMValueRef fetch_max; void *code; struct lp_build_sampler_soa *sampler = 0; - + LLVMValueRef ret, ret_ptr; + boolean bypass_viewport = variant->key.bypass_viewport; + boolean enable_cliptest = variant->key.clip_xy || + variant->key.clip_z || + variant->key.clip_user; + arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ arg_types[2] = llvm->buffer_ptr_type; /* vbuffers */ @@ -880,10 +1236,9 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian arg_types[6] = llvm->vb_ptr_type; /* pipe_vertex_buffer's */ arg_types[7] = LLVMInt32Type(); /* instance_id */ - func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); + func_type = LLVMFunctionType(LLVMInt32Type(), arg_types, Elements(arg_types), 0); - variant->function_elts = LLVMAddFunction(llvm->module, "draw_llvm_shader_elts", - func_type); + variant->function_elts = LLVMAddFunction(llvm->module, "draw_llvm_shader_elts", func_type); LLVMSetFunctionCallConv(variant->function_elts, LLVMCCallConv); for(i = 0; i < Elements(arg_types); ++i) if(LLVMGetTypeKind(arg_types[i]) == LLVMPointerTypeKind) @@ -929,11 +1284,16 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian LLVMConstInt(LLVMInt32Type(), 1, 0), "fetch_max"); + /* function returns non-zero i32 value if any clipped vertices */ + ret_ptr = lp_build_alloca(builder, LLVMInt32Type(), ""); + LLVMBuildStore(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), ret_ptr); + lp_build_loop_begin(builder, LLVMConstInt(LLVMInt32Type(), 0, 0), &lp_loop); { LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS]; LLVMValueRef aos_attribs[PIPE_MAX_SHADER_INPUTS][NUM_CHANNELS] = { { 0 } }; LLVMValueRef io; + LLVMValueRef clipmask; /* holds the clipmask value */ const LLVMValueRef (*ptr_aos)[NUM_CHANNELS]; io_itr = lp_loop.counter; @@ -980,10 +1340,40 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian context_ptr, sampler); - convert_to_aos(builder, io, outputs, + /* store original positions in clip before further manipulation */ + store_clip(builder, io, outputs); + + /* do cliptest */ + if (enable_cliptest){ + /* allocate clipmask, assign it integer type */ + clipmask = generate_clipmask(builder, outputs, + variant->key.clip_xy, + variant->key.clip_z, + variant->key.clip_user, + variant->key.clip_halfz, + variant->key.nr_planes, + context_ptr); + /* return clipping boolean value for function */ + clipmask_bool(builder, clipmask, ret_ptr); + } + else{ + clipmask = lp_build_const_int_vec(lp_type_int_vec(32), 0); + } + + /* do viewport mapping */ + if (!bypass_viewport){ + generate_viewport(llvm, builder, outputs, context_ptr); + } + + /* store clipmask in vertex header, + * original positions in clip + * and transformed positions in data + */ + convert_to_aos(builder, io, outputs, clipmask, draw->vs.vertex_shader->info.num_outputs, max_vertices); } + lp_build_loop_end_cond(builder, fetch_count, step, LLVMIntUGE, &lp_loop); sampler->destroy(sampler); @@ -993,8 +1383,9 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian lp_build_intrinsic(builder, "llvm.x86.mmx.emms", LLVMVoidType(), NULL, 0); #endif - LLVMBuildRetVoid(builder); - + ret = LLVMBuildLoad(builder, ret_ptr,""); + LLVMBuildRet(builder, ret); + LLVMDisposeBuilder(builder); /* @@ -1038,6 +1429,16 @@ draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store) */ key->nr_vertex_elements = llvm->draw->pt.nr_vertex_elements; + /* will have to rig this up properly later */ + key->clip_xy = llvm->draw->clip_xy; + key->clip_z = llvm->draw->clip_z; + key->clip_user = llvm->draw->clip_user; + key->bypass_viewport = llvm->draw->identity_viewport; + key->clip_halfz = !llvm->draw->rasterizer->gl_rasterization_rules; + key->need_edgeflags = (llvm->draw->vs.edgeflag_output ? TRUE : FALSE); + key->nr_planes = llvm->draw->nr_planes; + key->pad = 0; + /* All variants of this shader will have the same value for * nr_samplers. Not yet trying to compact away holes in the * sampler array. @@ -1066,9 +1467,9 @@ draw_llvm_set_mapped_texture(struct draw_context *draw, unsigned sampler_idx, uint32_t width, uint32_t height, uint32_t depth, uint32_t last_level, - uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], - uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], - const void *data[DRAW_MAX_TEXTURE_LEVELS]) + uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS], + uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS], + const void *data[PIPE_MAX_TEXTURE_LEVELS]) { unsigned j; struct draw_jit_texture *jit_tex; |