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vkd3d-shader: Fix SV_Position.w in pixel shaders.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2019-04-01 11:19:44 +02:00 committed by Alexandre Julliard
parent b3066e6ba8
commit acc9430abe
1 changed files with 24 additions and 3 deletions
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27
libs/vkd3d-shader/spirv.c
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@ -1158,6 +1158,12 @@ static uint32_t vkd3d_spirv_build_op_composite_insert(struct vkd3d_spirv_builder
result_type, object_id, composite_id, indexes, index_count);
}
static uint32_t vkd3d_spirv_build_op_composite_insert1(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t object_id, uint32_t composite_id, uint32_t index)
{
return vkd3d_spirv_build_op_composite_insert(builder, result_type, object_id, composite_id, &index, 1);
}
static uint32_t vkd3d_spirv_build_op_load(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t pointer_id, uint32_t memory_access)
{
@ -3215,6 +3221,21 @@ static uint32_t sv_front_face_fixup(struct vkd3d_dxbc_compiler *compiler,
return vkd3d_dxbc_compiler_emit_bool_to_int(compiler, 1, front_facing_id);
}
/* frag_coord.w = 1.0f / frag_coord.w */
static uint32_t frag_coord_fixup(struct vkd3d_dxbc_compiler *compiler,
uint32_t frag_coord_id)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
uint32_t type_id, w_id;
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, 1);
w_id = vkd3d_spirv_build_op_composite_extract1(builder, type_id, frag_coord_id, 3);
w_id = vkd3d_spirv_build_op_fdiv(builder, type_id,
vkd3d_dxbc_compiler_get_constant_float(compiler, 1.0f), w_id);
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
return vkd3d_spirv_build_op_composite_insert1(builder, type_id, w_id, frag_coord_id, 3);
}
struct vkd3d_spirv_builtin
{
enum vkd3d_component_type component_type;
@ -3273,7 +3294,7 @@ vkd3d_system_value_builtins[] =
};
static const struct vkd3d_spirv_builtin vkd3d_pixel_shader_position_builtin =
{
VKD3D_TYPE_FLOAT, 4, SpvBuiltInFragCoord,
VKD3D_TYPE_FLOAT, 4, SpvBuiltInFragCoord, frag_coord_fixup,
};
static const struct
{
@ -6906,8 +6927,8 @@ static void vkd3d_dxbc_compiler_emit_sample_c(struct vkd3d_dxbc_compiler *compil
dref_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[3], VKD3DSP_WRITEMASK_0);
/* XXX: Nvidia is broken and expects that the D_ref is packed together with coordinates. */
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
coordinate_id = vkd3d_spirv_build_op_composite_insert(builder,
type_id, dref_id, coordinate_id, &image.resource_type_info->coordinate_component_count, 1);
coordinate_id = vkd3d_spirv_build_op_composite_insert1(builder,
type_id, dref_id, coordinate_id, image.resource_type_info->coordinate_component_count);
val_id = vkd3d_spirv_build_op_image_sample_dref(builder, op, sampled_type_id,
image.sampled_image_id, coordinate_id, dref_id, operands_mask,
image_operands, image_operand_count);