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vkd3d-shader/d3dbc: Normalize ps 1.x output.

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This commit is contained in:
Elizabeth Figura
2025-04-07 13:56:05 -05:00
committed by Henri Verbeet
parent a4f69d4ae6
commit 9c605c942c
Notes: Henri Verbeet 2025-08-07 20:51:20 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1670
1 changed files with 35 additions and 0 deletions
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35
libs/vkd3d-shader/ir.c
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@@ -1782,6 +1782,39 @@ static enum vkd3d_result vsir_program_ensure_ret(struct vsir_program *program,
return VKD3D_OK;
}
/* ps_1_* outputs color in r0. Add an instruction to copy that to oC0.
* We don't need to modify the signature since it already contains COLOR. */
static enum vkd3d_result vsir_program_normalise_ps1_output(struct vsir_program *program,
struct vsir_transformation_context *ctx)
{
struct vsir_program_iterator it = vsir_program_iterator(&program->instructions);
struct vkd3d_shader_instruction *ins;
struct vkd3d_shader_location loc;
if (!(ins = vsir_program_iterator_tail(&it)))
return VKD3D_OK;
loc = ins->location;
if (!(ins = vsir_program_append(program)))
return VKD3D_ERROR_OUT_OF_MEMORY;
if (!vsir_instruction_init_with_params(program, ins, &loc, VSIR_OP_MOV, 1, 1))
{
vsir_instruction_init(ins, &loc, VSIR_OP_NOP);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
src_param_init_temp_float4(&ins->src[0], 0);
ins->src[0].swizzle = VKD3D_SHADER_NO_SWIZZLE;
/* Note we run before I/O normalization. */
vsir_dst_param_init(&ins->dst[0], VKD3DSPR_COLOROUT, VSIR_DATA_F32, 1);
ins->dst[0].reg.idx[0].offset = 0;
ins->dst[0].reg.dimension = VSIR_DIMENSION_VEC4;
ins->dst[0].write_mask = VKD3DSP_WRITEMASK_ALL;
ins->dst[0].modifiers = VKD3DSPDM_SATURATE;
return VKD3D_OK;
}
static struct signature_element *add_signature_element(struct shader_signature *signature,
const char *semantic_name, uint32_t semantic_index, uint32_t mask, uint32_t register_index,
enum vkd3d_shader_interpolation_mode interpolation_mode)
@@ -12077,6 +12110,8 @@ enum vkd3d_result vsir_program_lower_d3dbc(struct vsir_program *program, uint64_
};
vsir_transform(&ctx, vsir_program_lower_d3dbc_instructions);
if (program->shader_version.major == 1 && program->shader_version.type == VKD3D_SHADER_TYPE_PIXEL)
vsir_transform(&ctx, vsir_program_normalise_ps1_output);
if (TRACE_ON())
vsir_program_trace(program);