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libs/vkd3d-shader: Fix SV_Position in pixel shaders.

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This commit is contained in:
Józef Kucia 2017-06-21 22:00:19 +02:00
parent 9880d78058
commit f5e3b248df
2 changed files with 13 additions and 4 deletions
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16
libs/vkd3d-shader/spirv.c
View File

@ -886,6 +886,8 @@ struct vkd3d_dxbc_compiler
uint32_t temp_id;
unsigned int temp_count;
uint32_t position_id;
enum vkd3d_shader_type shader_type;
};
struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader_version *shader_version,
@ -926,6 +928,8 @@ struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader
ERR("Invalid shader type %#x.\n", shader_version->type);
}
compiler->shader_type = shader_version->type;
return compiler;
}
@ -1321,15 +1325,19 @@ static void vkd3d_dxbc_compiler_emit_store_reg(struct vkd3d_dxbc_compiler *compi
vkd3d_spirv_build_op_store(builder, reg_id, val_id, SpvMemoryAccessMaskNone);
}
static void vkd3d_dxbc_compiler_decorate_sysval(struct vkd3d_spirv_builder *builder,
static void vkd3d_dxbc_compiler_decorate_sysval(struct vkd3d_dxbc_compiler *compiler,
uint32_t target_id, enum vkd3d_shader_input_sysval_semantic sysval)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
SpvBuiltIn builtin;
switch (sysval)
{
case VKD3D_SIV_POSITION:
builtin = SpvBuiltInPosition;
if (compiler->shader_type == VKD3D_SHADER_TYPE_PIXEL)
builtin = SpvBuiltInFragCoord;
else
builtin = SpvBuiltInPosition;
break;
case VKD3D_SIV_VERTEX_ID:
builtin = SpvBuiltInVertexIndex;
@ -1357,7 +1365,7 @@ static void vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compiler,
storage_class, component_type, component_count);
vkd3d_spirv_add_iface_variable(builder, var_id);
if (sysval)
vkd3d_dxbc_compiler_decorate_sysval(builder, var_id, sysval);
vkd3d_dxbc_compiler_decorate_sysval(compiler, var_id, sysval);
else
vkd3d_spirv_build_op_decorate1(builder, var_id, SpvDecorationLocation, dst->reg.idx[0].offset);
@ -1407,7 +1415,7 @@ static uint32_t vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *comp
storage_class, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
vkd3d_spirv_add_iface_variable(builder, id);
if (sysval)
vkd3d_dxbc_compiler_decorate_sysval(builder, id, sysval);
vkd3d_dxbc_compiler_decorate_sysval(compiler, id, sysval);
else
vkd3d_spirv_build_op_decorate1(builder, id, SpvDecorationLocation, reg->idx[0].offset);

1
libs/vkd3d-shader/vkd3d_shader_private.h
View File

@ -833,6 +833,7 @@ static inline enum vkd3d_component_type vkd3d_component_type_for_semantic(
switch (sysval)
{
case VKD3D_SIV_NONE:
case VKD3D_SIV_POSITION:
return VKD3D_TYPE_FLOAT;
case VKD3D_SIV_VERTEX_ID:
return VKD3D_TYPE_INT;