Signed-off-by: Zebediah Figura z.figura12@gmail.com --- include/vkd3d_shader.h | 55 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+)
diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h index 2a2c960a..8fcf398b 100644 --- a/include/vkd3d_shader.h +++ b/include/vkd3d_shader.h @@ -962,29 +962,50 @@ struct vkd3d_shader_scan_descriptor_info unsigned int descriptor_count; };
+/** + * Data type of a shader varying, returned as part of struct + * vkd3d_shader_signature_element. + */ enum vkd3d_shader_component_type { + /** The varying has no type. */ VKD3D_SHADER_COMPONENT_VOID = 0x0, + /** 32-bit unsigned integer. */ VKD3D_SHADER_COMPONENT_UINT = 0x1, + /** 32-bit signed integer. */ VKD3D_SHADER_COMPONENT_INT = 0x2, + /** 32-bit IEEE floating-point. */ VKD3D_SHADER_COMPONENT_FLOAT = 0x3, + /** Boolean. */ VKD3D_SHADER_COMPONENT_BOOL = 0x4,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_COMPONENT_TYPE), };
+/** System value semantic, returned as part of struct vkd3d_shader_signature. */ enum vkd3d_shader_sysval_semantic { + /** No system value. */ VKD3D_SHADER_SV_NONE = 0x00, + /** Vertex position; SV_Position in Direct3D. */ VKD3D_SHADER_SV_POSITION = 0x01, + /** Clip distance; SV_ClipDistance in Direct3D. */ VKD3D_SHADER_SV_CLIP_DISTANCE = 0x02, + /** Cull distance; SV_CullDistance in Direct3D. */ VKD3D_SHADER_SV_CULL_DISTANCE = 0x03, + /** Render target layer; SV_RenderTargetArrayIndex in Direct3D. */ VKD3D_SHADER_SV_RENDER_TARGET_ARRAY_INDEX = 0x04, + /** Viewport index; SV_ViewportArrayIndex in Direct3D. */ VKD3D_SHADER_SV_VIEWPORT_ARRAY_INDEX = 0x05, + /** Vertex ID; SV_VertexID in Direct3D. */ VKD3D_SHADER_SV_VERTEX_ID = 0x06, + /** Primtive ID; SV_PrimitiveID in Direct3D. */ VKD3D_SHADER_SV_PRIMITIVE_ID = 0x07, + /** Instance ID; SV_VertexID in Direct3D. */ VKD3D_SHADER_SV_INSTANCE_ID = 0x08, + /** Whether the triangle is front-facing; SV_IsFrontFace in Direct3D. */ VKD3D_SHADER_SV_IS_FRONT_FACE = 0x09, + /** Sample index; SV_SampleIndex in Direct3D. */ VKD3D_SHADER_SV_SAMPLE_INDEX = 0x0a, VKD3D_SHADER_SV_TESS_FACTOR_QUADEDGE = 0x0b, VKD3D_SHADER_SV_TESS_FACTOR_QUADINT = 0x0c, @@ -996,32 +1017,66 @@ enum vkd3d_shader_sysval_semantic VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_SYSVAL_SEMANTIC), };
+/** + * Minimum interpolation precision of a shader varying, returned as part of + * struct vkd3d_shader_signature_element. + */ enum vkd3d_shader_minimum_precision { VKD3D_SHADER_MINIMUM_PRECISION_NONE = 0, + /** 16-bit floating-point. */ VKD3D_SHADER_MINIMUM_PRECISION_FLOAT_16 = 1, + /** 10-bit fixed point (2 integer and 8 fractional bits). */ VKD3D_SHADER_MINIMUM_PRECISION_FLOAT_8_2 = 2, + /** 16-bit signed integer. */ VKD3D_SHADER_MINIMUM_PRECISION_INT_16 = 4, + /** 16-bit unsigned integer. */ VKD3D_SHADER_MINIMUM_PRECISION_UINT_16 = 5,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_MINIMUM_PRECISION), };
+/** + * A single shader varying, returned as part of struct vkd3d_shader_signature. + */ struct vkd3d_shader_signature_element { + /** Semantic name. */ const char *semantic_name; + /** Semantic index, or 0 if the semantic is not indexed. */ unsigned int semantic_index; + /** + * Stream index of a geometry shader output semantic. If the signature is + * not a geometry shader output signature, this field will be set to 0. + */ unsigned int stream_index; + /** + * System value semantic. If the varying is not a system value, this field + * will be set to VKD3D_SHADER_SV_NONE. + */ enum vkd3d_shader_sysval_semantic sysval_semantic; + /** Data type. */ enum vkd3d_shader_component_type component_type; + /** Register index. */ unsigned int register_index; + /** Register mask. */ unsigned int mask; + /** Minimum interpolation precision. */ enum vkd3d_shader_minimum_precision min_precision; };
+/** + * Description of a shader input or output signature. This structure is + * populated by vkd3d_shader_parse_input_signature(). + * + * The helper function vkd3d_shader_find_signature_element() will look up a + * varying element by its semantic name, semantic index, and stream index. + */ struct vkd3d_shader_signature { + /** Pointer to an array of varyings. */ struct vkd3d_shader_signature_element *elements; + /** Size, in elements, of \ref elements. */ unsigned int element_count; };