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vkd3d-shader: Add support for dual source blending. 

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 2018-12-13 10:28:36 +01:00 committed by Alexandre Julliard
parent 4e66897a1e
commit 5b0ed414a1
2 changed files with 19 additions and 1 deletions
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1
include/vkd3d_shader.h
View File

@ -165,6 +165,7 @@ struct vkd3d_shader_compile_arguments
const void *next;
enum vkd3d_shader_target target;
bool dual_source_blending;
const unsigned int *output_swizzles;
unsigned int output_swizzle_count;
};

19
libs/vkd3d-shader/spirv.c
View File

@ -3400,6 +3400,14 @@ static unsigned int get_shader_output_swizzle(const struct vkd3d_dxbc_compiler *
return compile_args->output_swizzles[register_idx];
}
static bool is_dual_source_blending(const struct vkd3d_dxbc_compiler *compiler)
{
const struct vkd3d_shader_compile_arguments *compile_args = compiler->compile_args;
return compiler->shader_type == VKD3D_SHADER_TYPE_PIXEL
&& compile_args && compile_args->dual_source_blending;
}
static void calculate_clip_or_cull_distance_mask(const struct vkd3d_shader_signature_element *e,
uint32_t *mask)
{
@ -3544,7 +3552,16 @@ static void vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler
}
else
{
vkd3d_spirv_build_op_decorate1(builder, id, SpvDecorationLocation, reg->idx[0].offset);
if (is_dual_source_blending(compiler) && reg->idx[0].offset < 2)
{
vkd3d_spirv_build_op_decorate1(builder, id, SpvDecorationLocation, 0);
vkd3d_spirv_build_op_decorate1(builder, id, SpvDecorationIndex, reg->idx[0].offset);
}
else
{
vkd3d_spirv_build_op_decorate1(builder, id, SpvDecorationLocation, reg->idx[0].offset);
}
if (component_idx)
vkd3d_spirv_build_op_decorate1(builder, id, SpvDecorationComponent, component_idx);
}