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radeonsi: Fix y/z/w component values of TGSI_SEMANTIC_FOG pixel shader inputs

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They are defined as constant 0.0/0.0/1.0.

Three more little piglits.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 237cb074cb)
This commit is contained in:
Michel Dänzer 2013-08-21 18:00:35 +02:00 • committed by Ian Romanick
parent c47804d286
commit 8efdaedfc2
1 changed files with 18 additions and 0 deletions
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18
src/gallium/drivers/radeonsi/radeonsi_shader.c
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@ -198,6 +198,8 @@ static void declare_input_fs(
struct si_shader *shader = &si_shader_ctx->shader->shader; struct si_shader *shader = &si_shader_ctx->shader->shader;
struct lp_build_context * base = struct lp_build_context * base =
&si_shader_ctx->radeon_bld.soa.bld_base.base; &si_shader_ctx->radeon_bld.soa.bld_base.base;
struct lp_build_context *uint =
&si_shader_ctx->radeon_bld.soa.bld_base.uint_bld;
struct gallivm_state * gallivm = base->gallivm; struct gallivm_state * gallivm = base->gallivm;
LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context); LLVMTypeRef input_type = LLVMFloatTypeInContext(gallivm->context);
LLVMValueRef main_fn = si_shader_ctx->radeon_bld.main_fn; LLVMValueRef main_fn = si_shader_ctx->radeon_bld.main_fn;
@ -341,6 +343,22 @@ static void declare_input_fs(
} }
shader->ninterp++; shader->ninterp++;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_FOG) {
LLVMValueRef args[4];
args[0] = uint->zero;
args[1] = attr_number;
args[2] = params;
args[3] = interp_param;
si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 0)] =
build_intrinsic(base->gallivm->builder, intr_name,
input_type, args, args[3] ? 4 : 3,
LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 1)] =
si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 2)] =
lp_build_const_float(gallivm, 0.0f);
si_shader_ctx->radeon_bld.inputs[radeon_llvm_reg_index_soa(input_index, 3)] =
lp_build_const_float(gallivm, 1.0f);
} else { } else {
for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) { for (chan = 0; chan < TGSI_NUM_CHANNELS; chan++) {
LLVMValueRef args[4]; LLVMValueRef args[4];