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vkd3d-shader: Add support for OpenGL tessellation shaders.

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In DXBC tessellator parameters are specified in hull shaders. In OpenGL,
even in SPIR-V, tessellator parameters must be specified in the
tessellation evaluation shader.

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
2019-02-14 12:22:33 +01:00
committed by Alexandre Julliard
parent 22330b5414
commit c333fddaf9
3 changed files with 60 additions and 25 deletions
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27
include/vkd3d_shader.h
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@@ -33,6 +33,7 @@ enum vkd3d_shader_structure_type
VKD3D_SHADER_STRUCTURE_TYPE_COMPILE_ARGUMENTS,
VKD3D_SHADER_STRUCTURE_TYPE_SCAN_INFO,
VKD3D_SHADER_STRUCTURE_TYPE_TRANSFORM_FEEDBACK_INFO,
VKD3D_SHADER_STRUCTURE_TYPE_DOMAIN_SHADER_COMPILE_ARGUMENTS,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_STRUCTURE_TYPE),
};
@@ -195,6 +196,32 @@ struct vkd3d_shader_compile_arguments
unsigned int output_swizzle_count;
};
enum vkd3d_tessellator_output_primitive
{
VKD3D_TESSELLATOR_OUTPUT_POINT = 1,
VKD3D_TESSELLATOR_OUTPUT_LINE = 2,
VKD3D_TESSELLATOR_OUTPUT_TRIANGLE_CW = 3,
VKD3D_TESSELLATOR_OUTPUT_TRIANGLE_CCW = 4,
};
enum vkd3d_tessellator_partitioning
{
VKD3D_TESSELLATOR_PARTITIONING_INTEGER = 1,
VKD3D_TESSELLATOR_PARTITIONING_POW2 = 2,
VKD3D_TESSELLATOR_PARTITIONING_FRACTIONAL_ODD = 3,
VKD3D_TESSELLATOR_PARTITIONING_FRACTIONAL_EVEN = 4,
};
/* Extends vkd3d_shader_compile_arguments. */
struct vkd3d_shader_domain_shader_compile_arguments
{
enum vkd3d_shader_structure_type type;
const void *next;
enum vkd3d_tessellator_output_primitive output_primitive;
enum vkd3d_tessellator_output_primitive partitioning;
};
int vkd3d_shader_compile_dxbc(const struct vkd3d_shader_code *dxbc,
struct vkd3d_shader_code *spirv, unsigned int compiler_options,
const struct vkd3d_shader_interface_info *shader_interface_info,