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42d89a0ff1
This allows avoiding the uber shader in 2 important cases: 1. opacity - and Adwaita uses that a lot 2. color-matrix - it's used for symbolic icons
110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
#include "config.h"
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#include "gskgpucolormatrixopprivate.h"
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#include "gskgpuframeprivate.h"
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#include "gskgpuprintprivate.h"
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#include "gskrectprivate.h"
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#include "gpu/shaders/gskgpucolormatrixinstance.h"
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typedef struct _GskGpuColorMatrixOp GskGpuColorMatrixOp;
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struct _GskGpuColorMatrixOp
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{
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GskGpuShaderOp op;
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};
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static void
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gsk_gpu_color_matrix_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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{
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GskGpuShaderOp *shader = (GskGpuShaderOp *) op;
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GskGpuColormatrixInstance *instance;
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instance = (GskGpuColormatrixInstance *) gsk_gpu_frame_get_vertex_data (frame, shader->vertex_offset);
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gsk_gpu_print_op (string, indent, "color-matrix");
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gsk_gpu_print_rect (string, instance->rect);
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gsk_gpu_print_image_descriptor (string, shader->desc, instance->tex_id);
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gsk_gpu_print_newline (string);
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}
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static const GskGpuShaderOpClass GSK_GPU_COLOR_MATRIX_OP_CLASS = {
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{
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GSK_GPU_OP_SIZE (GskGpuColorMatrixOp),
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GSK_GPU_STAGE_SHADER,
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gsk_gpu_shader_op_finish,
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gsk_gpu_color_matrix_op_print,
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#ifdef GDK_RENDERING_VULKAN
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gsk_gpu_shader_op_vk_command,
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#endif
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gsk_gpu_shader_op_gl_command
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},
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"gskgpucolormatrix",
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sizeof (GskGpuColormatrixInstance),
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#ifdef GDK_RENDERING_VULKAN
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&gsk_gpu_colormatrix_info,
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#endif
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gsk_gpu_colormatrix_setup_vao
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};
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void
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gsk_gpu_color_matrix_op (GskGpuFrame *frame,
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GskGpuShaderClip clip,
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GskGpuDescriptors *desc,
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guint32 descriptor,
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const graphene_rect_t *rect,
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const graphene_point_t *offset,
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const graphene_rect_t *tex_rect,
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const graphene_matrix_t *color_matrix,
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const graphene_vec4_t *color_offset)
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{
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GskGpuColormatrixInstance *instance;
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gsk_gpu_shader_op_alloc (frame,
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&GSK_GPU_COLOR_MATRIX_OP_CLASS,
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clip,
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desc,
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&instance);
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gsk_gpu_rect_to_float (rect, offset, instance->rect);
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gsk_gpu_rect_to_float (tex_rect, offset, instance->tex_rect);
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instance->tex_id = descriptor;
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graphene_matrix_to_float (color_matrix, instance->color_matrix);
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graphene_vec4_to_float (color_offset, instance->color_offset);
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}
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void
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gsk_gpu_color_matrix_op_opacity (GskGpuFrame *frame,
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GskGpuShaderClip clip,
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GskGpuDescriptors *desc,
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guint32 descriptor,
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const graphene_rect_t *rect,
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const graphene_point_t *offset,
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const graphene_rect_t *tex_rect,
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float opacity)
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{
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graphene_matrix_t matrix;
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graphene_matrix_init_from_float (&matrix,
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(float[16]) {
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1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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0, 0, 0, opacity
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});
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gsk_gpu_color_matrix_op (frame,
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clip,
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desc,
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descriptor,
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rect,
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offset,
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tex_rect,
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&matrix,
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graphene_vec4_zero ());
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}
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