From: Józef Kucia jkucia@codeweavers.com
Signed-off-by: Józef Kucia jkucia@codeweavers.com --- libs/vkd3d-shader/spirv.c | 51 +++++++++++++++++++++++++++++++++++------------ 1 file changed, 38 insertions(+), 13 deletions(-)
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index 2e8c5cf4ef7f..ca463f85a4d1 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -2978,6 +2978,7 @@ vkd3d_system_value_builtins[] = {VKD3D_SIV_IS_FRONT_FACE, {VKD3D_TYPE_BOOL, 1, SpvBuiltInFrontFacing, sv_front_face_fixup}},
{VKD3D_SIV_CLIP_DISTANCE, {VKD3D_TYPE_FLOAT, 1, SpvBuiltInClipDistance, NULL, true}}, + {VKD3D_SIV_CULL_DISTANCE, {VKD3D_TYPE_FLOAT, 1, SpvBuiltInCullDistance, NULL, true}}, }; static const struct { @@ -3257,12 +3258,25 @@ static unsigned int get_shader_output_swizzle(struct vkd3d_dxbc_compiler *compil return compile_args->output_swizzles[register_idx]; }
+static void calculate_clip_or_cull_distance_mask(const struct vkd3d_shader_signature_element *e, + uint32_t *mask) +{ + if (e->semantic_index >= sizeof(*mask) * CHAR_BIT / VKD3D_VEC4_SIZE) + { + FIXME("Invalid semantic index %u for clip/cull distance.\n", e->semantic_index); + return; + } + + *mask |= (e->mask & VKD3DSP_WRITEMASK_ALL) << (VKD3D_VEC4_SIZE * e->semantic_index); +} + /* Emits arrayed SPIR-V built-in variables. */ static void vkd3d_dxbc_compiler_emit_shader_signature_outputs(struct vkd3d_dxbc_compiler *compiler) { const struct vkd3d_shader_signature *output_signature = compiler->output_signature; struct vkd3d_spirv_builder *builder = &compiler->spirv_builder; uint32_t clip_distance_mask = 0, clip_distance_id = 0; + uint32_t cull_distance_mask = 0, cull_distance_id = 0; const struct vkd3d_spirv_builtin *builtin; unsigned int i, count;
@@ -3273,13 +3287,11 @@ static void vkd3d_dxbc_compiler_emit_shader_signature_outputs(struct vkd3d_dxbc_ switch (e->sysval_semantic) { case VKD3D_SV_CLIP_DISTANCE: - if (e->semantic_index >= sizeof(clip_distance_mask) * CHAR_BIT / VKD3D_VEC4_SIZE) - { - ERR("Invalid semantic index %u for clip distance.\n", e->semantic_index); - break; - } + calculate_clip_or_cull_distance_mask(e, &clip_distance_mask); + break;
- clip_distance_mask |= (e->mask & VKD3DSP_WRITEMASK_ALL) << (VKD3D_VEC4_SIZE * e->semantic_index); + case VKD3D_SV_CULL_DISTANCE: + calculate_clip_or_cull_distance_mask(e, &cull_distance_mask); break;
default: @@ -3287,14 +3299,23 @@ static void vkd3d_dxbc_compiler_emit_shader_signature_outputs(struct vkd3d_dxbc_ } }
- if (!clip_distance_mask) - return; + if (clip_distance_mask) + { + count = vkd3d_popcount(clip_distance_mask); + builtin = get_spirv_builtin_for_sysval(VKD3D_SIV_CLIP_DISTANCE); + clip_distance_id = vkd3d_dxbc_compiler_emit_array_variable(compiler, &builder->global_stream, + SpvStorageClassOutput, builtin->component_type, builtin->component_count, count); + vkd3d_spirv_add_iface_variable(builder, clip_distance_id); + }
- count = vkd3d_popcount(clip_distance_mask); - builtin = get_spirv_builtin_for_sysval(VKD3D_SIV_CLIP_DISTANCE); - clip_distance_id = vkd3d_dxbc_compiler_emit_array_variable(compiler, &builder->global_stream, - SpvStorageClassOutput, builtin->component_type, builtin->component_count, count); - vkd3d_spirv_add_iface_variable(builder, clip_distance_id); + if (cull_distance_mask) + { + count = vkd3d_popcount(cull_distance_mask); + builtin = get_spirv_builtin_for_sysval(VKD3D_SIV_CULL_DISTANCE); + cull_distance_id = vkd3d_dxbc_compiler_emit_array_variable(compiler, &builder->global_stream, + SpvStorageClassOutput, builtin->component_type, builtin->component_count, count); + vkd3d_spirv_add_iface_variable(builder, cull_distance_id); + }
for (i = 0; i < output_signature->element_count; ++i) { @@ -3306,6 +3327,10 @@ static void vkd3d_dxbc_compiler_emit_shader_signature_outputs(struct vkd3d_dxbc_ compiler->output_info[i].id = clip_distance_id; break;
+ case VKD3D_SV_CULL_DISTANCE: + compiler->output_info[i].id = cull_distance_id; + break; + default: break; }
-
Henri Verbeet -
Józef Kucia