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d900407a18
A variation is a #define/specialization constant that every shader can use to specialize itself as it sees fit. This commit adds the infrastrcture, future commits will add implementations.
80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
#pragma once
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#include "gskgpuopprivate.h"
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#include "gskgputypesprivate.h"
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G_BEGIN_DECLS
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struct _GskGpuShaderOp
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{
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GskGpuOp parent_op;
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GskGpuDescriptors *desc;
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guint32 variation;
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GskGpuShaderClip clip;
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gsize vertex_offset;
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};
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struct _GskGpuShaderOpClass
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{
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GskGpuOpClass parent_class;
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const char * shader_name;
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gsize vertex_size;
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#ifdef GDK_RENDERING_VULKAN
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const VkPipelineVertexInputStateCreateInfo *vertex_input_state;
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#endif
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void (* setup_vao) (gsize offset);
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};
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GskGpuShaderOp * gsk_gpu_shader_op_alloc (GskGpuFrame *frame,
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const GskGpuShaderOpClass *op_class,
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guint32 variation,
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GskGpuShaderClip clip,
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GskGpuDescriptors *desc,
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gpointer out_vertex_data);
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void gsk_gpu_shader_op_finish (GskGpuOp *op);
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#ifdef GDK_RENDERING_VULKAN
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GskGpuOp * gsk_gpu_shader_op_vk_command_n (GskGpuOp *op,
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GskGpuFrame *frame,
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GskVulkanCommandState *state,
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gsize instance_scale);
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GskGpuOp * gsk_gpu_shader_op_vk_command (GskGpuOp *op,
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GskGpuFrame *frame,
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GskVulkanCommandState *state);
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#endif
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GskGpuOp * gsk_gpu_shader_op_gl_command_n (GskGpuOp *op,
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GskGpuFrame *frame,
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GskGLCommandState *state,
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gsize instance_scale);
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GskGpuOp * gsk_gpu_shader_op_gl_command (GskGpuOp *op,
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GskGpuFrame *frame,
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GskGLCommandState *state);
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static inline void
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gsk_gpu_rgba_to_float (const GdkRGBA *rgba,
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float values[4])
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{
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values[0] = rgba->red;
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values[1] = rgba->green;
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values[2] = rgba->blue;
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values[3] = rgba->alpha;
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}
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#include <graphene.h>
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static inline void
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gsk_gpu_point_to_float (const graphene_point_t *point,
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const graphene_point_t *offset,
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float values[2])
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{
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values[0] = point->x + offset->x;
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values[1] = point->y + offset->y;
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}
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G_END_DECLS
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