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b1e441d18a
It's a struct collecting all relevant info for a texture passed to a shader. The ultimate goal is to get rid of the descriptors and let ops manage them on thir own.
106 lines
5.0 KiB
C
106 lines
5.0 KiB
C
#pragma once
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#include "gskgpuopprivate.h"
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#include "gskgputypesprivate.h"
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#include "gskgpucolorstatesprivate.h"
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#include <graphene.h>
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G_BEGIN_DECLS
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struct _GskGpuShaderImage
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{
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GskGpuImage *image; /* image to draw */
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GskGpuSampler sampler; /* sampler to use for image */
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guint32 descriptor; /* FIXME: preallocated descriptor for image + sampler */
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const graphene_rect_t *coverage; /* the clip area for the image or NULL for unclipped */
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const graphene_rect_t *bounds; /* bounds for the image */
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};
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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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GskGpuColorStates color_states;
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guint32 variation;
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GskGpuShaderClip clip;
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gsize vertex_offset;
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gsize n_ops;
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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 (* print_instance) (GskGpuShaderOp *shader,
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gpointer instance,
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GString *string);
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void (* setup_attrib_locations) (GLuint program);
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void (* setup_vao) (gsize offset);
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};
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void gsk_gpu_shader_op_alloc (GskGpuFrame *frame,
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const GskGpuShaderOpClass *op_class,
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GskGpuColorStates color_states,
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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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void gsk_gpu_shader_op_print (GskGpuOp *op,
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GskGpuFrame *frame,
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GString *string,
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guint indent);
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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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#define GSK_RGBA_TO_VEC4(_color) (float[4]) { (_color)->red, (_color)->green, (_color)->blue, (_color)->alpha }
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#define GSK_RGBA_TO_VEC4_ALPHA(_color, _alpha) (float[4]) { (_color)->red, (_color)->green, (_color)->blue, (_color)->alpha * (_alpha) }
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#define GSK_VEC4_TRANSPARENT (float[4]) { 0.0f, 0.0f, 0.0f, 0.0f }
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static inline void
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gsk_gpu_color_to_float (const float color[4],
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float values[4])
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{
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values[0] = color[0];
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values[1] = color[1];
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values[2] = color[2];
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values[3] = color[3];
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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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