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vkd3d-shader: Introduce an interface to specify sm1 shadow samplers.

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This commit is contained in:
Elizabeth Figura
2025-10-03 15:01:09 -05:00
committed by Henri Verbeet
parent 539a5be370
commit 0bb8272f26
Notes: Henri Verbeet 2025-10-13 19:31:51 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1769
3 changed files with 84 additions and 11 deletions
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67
libs/vkd3d-shader/ir.c
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@@ -1680,6 +1680,7 @@ static enum vkd3d_result vsir_program_lower_texcrd(struct vsir_program *program,
static enum vkd3d_result vsir_program_lower_texld_sm1(struct vsir_program *program,
struct vkd3d_shader_instruction *ins, struct vkd3d_shader_message_context *message_context)
{
const struct vkd3d_shader_descriptor_info1 *sampler;
unsigned int idx = ins->src[0].reg.idx[0].offset;
struct vkd3d_shader_src_param *srcs;
@@ -1692,7 +1693,7 @@ static enum vkd3d_result vsir_program_lower_texld_sm1(struct vsir_program *progr
return VKD3D_ERROR_NOT_IMPLEMENTED;
}
if (!(srcs = vsir_program_get_src_params(program, 3)))
if (!(srcs = vsir_program_get_src_params(program, 4)))
return VKD3D_ERROR_OUT_OF_MEMORY;
/* Note we run before I/O normalization. */
@@ -1700,9 +1701,26 @@ static enum vkd3d_result vsir_program_lower_texld_sm1(struct vsir_program *progr
vsir_src_param_init_resource(&srcs[1], idx, idx);
vsir_src_param_init_sampler(&srcs[2], idx, idx);
ins->opcode = VSIR_OP_SAMPLE;
ins->src = srcs;
ins->src_count = 3;
sampler = vkd3d_shader_find_descriptor(&program->descriptors, VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, idx);
if (sampler->flags & VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_SAMPLER_COMPARISON_MODE)
{
enum vkd3d_shader_swizzle_component ref = vsir_swizzle_get_component(srcs[0].swizzle, 2);
ins->opcode = VSIR_OP_SAMPLE_C;
ins->src = srcs;
ins->src_count = 4;
srcs[1].swizzle = VKD3D_SHADER_SWIZZLE(X, X, X, X);
srcs[3] = srcs[0];
srcs[3].swizzle = vkd3d_shader_create_swizzle(ref, ref, ref, ref);
}
else
{
ins->opcode = VSIR_OP_SAMPLE;
ins->src = srcs;
ins->src_count = 3;
}
return VKD3D_OK;
}
@@ -1762,6 +1780,7 @@ static enum vkd3d_result vsir_program_lower_texldp(struct vsir_program *program,
static enum vkd3d_result vsir_program_lower_texld(struct vsir_program *program,
struct vkd3d_shader_instruction *tex, struct vkd3d_shader_message_context *message_context)
{
const struct vkd3d_shader_descriptor_info1 *sampler;
unsigned int idx = tex->src[1].reg.idx[0].offset;
struct vkd3d_shader_src_param *srcs;
@@ -1775,7 +1794,21 @@ static enum vkd3d_result vsir_program_lower_texld(struct vsir_program *program,
vsir_src_param_init_resource(&srcs[1], idx, idx);
vsir_src_param_init_sampler(&srcs[2], idx, idx);
if (!tex->flags)
sampler = vkd3d_shader_find_descriptor(&program->descriptors, VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, idx);
if (sampler->flags & VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_SAMPLER_COMPARISON_MODE)
{
enum vkd3d_shader_swizzle_component ref = vsir_swizzle_get_component(srcs[0].swizzle, 2);
tex->opcode = VSIR_OP_SAMPLE_C;
tex->src = srcs;
tex->src_count = 4;
srcs[1].swizzle = VKD3D_SHADER_SWIZZLE(X, X, X, X);
srcs[3] = srcs[0];
srcs[3].swizzle = vkd3d_shader_create_swizzle(ref, ref, ref, ref);
}
else if (!tex->flags)
{
tex->opcode = VSIR_OP_SAMPLE;
tex->src = srcs;
@@ -1857,6 +1890,7 @@ static enum vkd3d_result vsir_program_lower_texldl(struct vsir_program *program,
static enum vkd3d_result vsir_program_lower_tex(struct vsir_program *program, struct vkd3d_shader_instruction *ins)
{
const struct vkd3d_shader_descriptor_info1 *sampler;
unsigned int idx = ins->dst[0].reg.idx[0].offset;
struct vkd3d_shader_src_param *srcs;
@@ -1866,7 +1900,7 @@ static enum vkd3d_result vsir_program_lower_tex(struct vsir_program *program, st
/* We run before I/O normalization. */
VKD3D_ASSERT(program->normalisation_level < VSIR_NORMALISED_SM6);
if (!(srcs = vsir_program_get_src_params(program, 3)))
if (!(srcs = vsir_program_get_src_params(program, 4)))
return VKD3D_ERROR_OUT_OF_MEMORY;
vsir_src_param_init(&srcs[0], VKD3DSPR_TEXTURE, VSIR_DATA_F32, 1);
@@ -1877,9 +1911,24 @@ static enum vkd3d_result vsir_program_lower_tex(struct vsir_program *program, st
vsir_src_param_init_resource(&srcs[1], idx, idx);
vsir_src_param_init_sampler(&srcs[2], idx, idx);
ins->opcode = VSIR_OP_SAMPLE;
ins->src = srcs;
ins->src_count = 3;
sampler = vkd3d_shader_find_descriptor(&program->descriptors, VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, idx);
if (sampler->flags & VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_SAMPLER_COMPARISON_MODE)
{
ins->opcode = VSIR_OP_SAMPLE_C;
ins->src = srcs;
ins->src_count = 4;
srcs[1].swizzle = VKD3D_SHADER_SWIZZLE(X, X, X, X);
srcs[3] = srcs[0];
srcs[3].swizzle = VKD3D_SHADER_SWIZZLE(Z, Z, Z, Z);
}
else
{
ins->opcode = VSIR_OP_SAMPLE;
ins->src = srcs;
ins->src_count = 3;
}
return VKD3D_OK;
}