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Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
-rw-r--r--src/gallium/drivers/r600/r600_shader.c159
1 files changed, 80 insertions, 79 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index c16e467c853..e8992ba5bed 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -650,19 +650,15 @@ static int tgsi_is_supported(struct r600_shader_ctx *ctx)
return 0;
}
-static int evergreen_interp_alu(struct r600_shader_ctx *ctx, int input)
+static void evergreen_interp_assign_ij_index(struct r600_shader_ctx *ctx,
+ int input)
{
- int i, r;
- struct r600_bytecode_alu alu;
- int gpr = 0, base_chan = 0;
int ij_index = 0;
if (ctx->shader->input[input].interpolate == TGSI_INTERPOLATE_PERSPECTIVE) {
- ij_index = 0;
if (ctx->shader->input[input].centroid)
ij_index++;
} else if (ctx->shader->input[input].interpolate == TGSI_INTERPOLATE_LINEAR) {
- ij_index = 0;
/* if we have perspective add one */
if (ctx->input_perspective) {
ij_index++;
@@ -674,6 +670,16 @@ static int evergreen_interp_alu(struct r600_shader_ctx *ctx, int input)
ij_index++;
}
+ ctx->shader->input[input].ij_index = ij_index;
+}
+
+static int evergreen_interp_alu(struct r600_shader_ctx *ctx, int input)
+{
+ int i, r;
+ struct r600_bytecode_alu alu;
+ int gpr = 0, base_chan = 0;
+ int ij_index = ctx->shader->input[input].ij_index;
+
/* work out gpr and base_chan from index */
gpr = ij_index / 2;
base_chan = (2 * (ij_index % 2)) + 1;
@@ -806,12 +812,13 @@ static int evergreen_interp_input(struct r600_shader_ctx *ctx, int index)
if (ctx->shader->input[index].spi_sid) {
ctx->shader->input[index].lds_pos = ctx->shader->nlds++;
- if (!ctx->use_llvm) {
- if (ctx->shader->input[index].interpolate > 0) {
+ if (ctx->shader->input[index].interpolate > 0) {
+ evergreen_interp_assign_ij_index(ctx, index);
+ if (!ctx->use_llvm)
r = evergreen_interp_alu(ctx, index);
- } else {
+ } else {
+ if (!ctx->use_llvm)
r = evergreen_interp_flat(ctx, index);
- }
}
}
return r;
@@ -857,11 +864,11 @@ static int tgsi_declaration(struct r600_shader_ctx *ctx)
i = ctx->shader->ninput++;
ctx->shader->input[i].name = d->Semantic.Name;
ctx->shader->input[i].sid = d->Semantic.Index;
- ctx->shader->input[i].spi_sid = r600_spi_sid(&ctx->shader->input[i]);
ctx->shader->input[i].interpolate = d->Interp.Interpolate;
ctx->shader->input[i].centroid = d->Interp.Centroid;
ctx->shader->input[i].gpr = ctx->file_offset[TGSI_FILE_INPUT] + d->Range.First;
if (ctx->type == TGSI_PROCESSOR_FRAGMENT) {
+ ctx->shader->input[i].spi_sid = r600_spi_sid(&ctx->shader->input[i]);
switch (ctx->shader->input[i].name) {
case TGSI_SEMANTIC_FACE:
ctx->face_gpr = ctx->shader->input[i].gpr;
@@ -883,11 +890,11 @@ static int tgsi_declaration(struct r600_shader_ctx *ctx)
i = ctx->shader->noutput++;
ctx->shader->output[i].name = d->Semantic.Name;
ctx->shader->output[i].sid = d->Semantic.Index;
- ctx->shader->output[i].spi_sid = r600_spi_sid(&ctx->shader->output[i]);
ctx->shader->output[i].gpr = ctx->file_offset[TGSI_FILE_OUTPUT] + d->Range.First;
ctx->shader->output[i].interpolate = d->Interp.Interpolate;
ctx->shader->output[i].write_mask = d->Declaration.UsageMask;
if (ctx->type == TGSI_PROCESSOR_VERTEX) {
+ ctx->shader->output[i].spi_sid = r600_spi_sid(&ctx->shader->output[i]);
switch (d->Semantic.Name) {
case TGSI_SEMANTIC_CLIPDIST:
ctx->shader->clip_dist_write |= d->Declaration.UsageMask << (d->Semantic.Index << 2);
@@ -1193,17 +1200,9 @@ static int process_twoside_color_inputs(struct r600_shader_ctx *ctx)
for (i = 0; i < count; i++) {
if (ctx->shader->input[i].name == TGSI_SEMANTIC_COLOR) {
- unsigned back_facing_reg = ctx->shader->input[i].potential_back_facing_reg;
- if (ctx->bc->chip_class >= EVERGREEN) {
- if ((r = evergreen_interp_input(ctx, back_facing_reg)))
- return r;
- }
-
- if (!ctx->use_llvm) {
- r = select_twoside_color(ctx, i, back_facing_reg);
- if (r)
- return r;
- }
+ r = select_twoside_color(ctx, i, ctx->shader->input[i].back_color_input);
+ if (r)
+ return r;
}
}
return 0;
@@ -1396,7 +1395,11 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen,
// TGSI to LLVM needs to know the lds position of inputs.
// Non LLVM path computes it later (in process_twoside_color)
ctx.shader->input[ni].lds_pos = next_lds_loc++;
- ctx.shader->input[i].potential_back_facing_reg = ni;
+ ctx.shader->input[i].back_color_input = ni;
+ if (ctx.bc->chip_class >= EVERGREEN) {
+ if ((r = evergreen_interp_input(&ctx, ni)))
+ return r;
+ }
}
}
}
@@ -1408,10 +1411,9 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen,
LLVMModuleRef mod;
unsigned dump = 0;
memset(&radeon_llvm_ctx, 0, sizeof(radeon_llvm_ctx));
- radeon_llvm_ctx.reserved_reg_count = ctx.file_offset[TGSI_FILE_INPUT];
radeon_llvm_ctx.type = ctx.type;
radeon_llvm_ctx.two_side = shader->two_side;
- radeon_llvm_ctx.face_input = ctx.face_gpr;
+ radeon_llvm_ctx.face_gpr = ctx.face_gpr;
radeon_llvm_ctx.r600_inputs = ctx.shader->input;
radeon_llvm_ctx.r600_outputs = ctx.shader->output;
radeon_llvm_ctx.color_buffer_count = MAX2(key.nr_cbufs , 1);
@@ -1442,9 +1444,24 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen,
if (shader->fs_write_all && rscreen->chip_class >= EVERGREEN)
shader->nr_ps_max_color_exports = 8;
- if (ctx.fragcoord_input >= 0 && !use_llvm) {
- if (ctx.bc->chip_class == CAYMAN) {
- for (j = 0 ; j < 4; j++) {
+ if (!use_llvm) {
+ if (ctx.fragcoord_input >= 0) {
+ if (ctx.bc->chip_class == CAYMAN) {
+ for (j = 0 ; j < 4; j++) {
+ struct r600_bytecode_alu alu;
+ memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+ alu.inst = BC_INST(ctx.bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE);
+ alu.src[0].sel = shader->input[ctx.fragcoord_input].gpr;
+ alu.src[0].chan = 3;
+
+ alu.dst.sel = shader->input[ctx.fragcoord_input].gpr;
+ alu.dst.chan = j;
+ alu.dst.write = (j == 3);
+ alu.last = 1;
+ if ((r = r600_bytecode_add_alu(ctx.bc, &alu)))
+ return r;
+ }
+ } else {
struct r600_bytecode_alu alu;
memset(&alu, 0, sizeof(struct r600_bytecode_alu));
alu.inst = BC_INST(ctx.bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE);
@@ -1452,65 +1469,49 @@ static int r600_shader_from_tgsi(struct r600_screen *rscreen,
alu.src[0].chan = 3;
alu.dst.sel = shader->input[ctx.fragcoord_input].gpr;
- alu.dst.chan = j;
- alu.dst.write = (j == 3);
+ alu.dst.chan = 3;
+ alu.dst.write = 1;
alu.last = 1;
if ((r = r600_bytecode_add_alu(ctx.bc, &alu)))
return r;
}
- } else {
- struct r600_bytecode_alu alu;
- memset(&alu, 0, sizeof(struct r600_bytecode_alu));
- alu.inst = BC_INST(ctx.bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE);
- alu.src[0].sel = shader->input[ctx.fragcoord_input].gpr;
- alu.src[0].chan = 3;
+ }
- alu.dst.sel = shader->input[ctx.fragcoord_input].gpr;
- alu.dst.chan = 3;
- alu.dst.write = 1;
- alu.last = 1;
- if ((r = r600_bytecode_add_alu(ctx.bc, &alu)))
+ if (shader->two_side && ctx.colors_used) {
+ if ((r = process_twoside_color_inputs(&ctx)))
return r;
}
- }
-
- if (shader->two_side && ctx.colors_used) {
- if ((r = process_twoside_color_inputs(&ctx)))
- return r;
- }
- tgsi_parse_init(&ctx.parse, tokens);
- while (!tgsi_parse_end_of_tokens(&ctx.parse)) {
- tgsi_parse_token(&ctx.parse);
- switch (ctx.parse.FullToken.Token.Type) {
- case TGSI_TOKEN_TYPE_INSTRUCTION:
- if (use_llvm) {
- continue;
+ tgsi_parse_init(&ctx.parse, tokens);
+ while (!tgsi_parse_end_of_tokens(&ctx.parse)) {
+ tgsi_parse_token(&ctx.parse);
+ switch (ctx.parse.FullToken.Token.Type) {
+ case TGSI_TOKEN_TYPE_INSTRUCTION:
+ r = tgsi_is_supported(&ctx);
+ if (r)
+ goto out_err;
+ ctx.max_driver_temp_used = 0;
+ /* reserve first tmp for everyone */
+ r600_get_temp(&ctx);
+
+ opcode = ctx.parse.FullToken.FullInstruction.Instruction.Opcode;
+ if ((r = tgsi_split_constant(&ctx)))
+ goto out_err;
+ if ((r = tgsi_split_literal_constant(&ctx)))
+ goto out_err;
+ if (ctx.bc->chip_class == CAYMAN)
+ ctx.inst_info = &cm_shader_tgsi_instruction[opcode];
+ else if (ctx.bc->chip_class >= EVERGREEN)
+ ctx.inst_info = &eg_shader_tgsi_instruction[opcode];
+ else
+ ctx.inst_info = &r600_shader_tgsi_instruction[opcode];
+ r = ctx.inst_info->process(&ctx);
+ if (r)
+ goto out_err;
+ break;
+ default:
+ break;
}
- r = tgsi_is_supported(&ctx);
- if (r)
- goto out_err;
- ctx.max_driver_temp_used = 0;
- /* reserve first tmp for everyone */
- r600_get_temp(&ctx);
-
- opcode = ctx.parse.FullToken.FullInstruction.Instruction.Opcode;
- if ((r = tgsi_split_constant(&ctx)))
- goto out_err;
- if ((r = tgsi_split_literal_constant(&ctx)))
- goto out_err;
- if (ctx.bc->chip_class == CAYMAN)
- ctx.inst_info = &cm_shader_tgsi_instruction[opcode];
- else if (ctx.bc->chip_class >= EVERGREEN)
- ctx.inst_info = &eg_shader_tgsi_instruction[opcode];
- else
- ctx.inst_info = &r600_shader_tgsi_instruction[opcode];
- r = ctx.inst_info->process(&ctx);
- if (r)
- goto out_err;
- break;
- default:
- break;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 03:39:07 +0000