gtk/gsk/gpu/gskgpucolormatrixop.c
Benjamin Otte 153b78e2bc gpu: Add a ShaderOp.print_instance vfunc
... and add gsk_shader_op_print() to do the generic stuff.
2024-03-15 19:49:17 +01:00

107 lines
3.5 KiB
C

#include "config.h"
#include "gskgpucolormatrixopprivate.h"
#include "gskgpuframeprivate.h"
#include "gskgpuprintprivate.h"
#include "gskrectprivate.h"
#include "gpu/shaders/gskgpucolormatrixinstance.h"
typedef struct _GskGpuColorMatrixOp GskGpuColorMatrixOp;
struct _GskGpuColorMatrixOp
{
GskGpuShaderOp op;
};
static void
gsk_gpu_color_matrix_op_print_instance (GskGpuShaderOp *shader,
gpointer instance_,
GString *string)
{
GskGpuColormatrixInstance *instance = (GskGpuColormatrixInstance *) instance_;
gsk_gpu_print_rect (string, instance->rect);
gsk_gpu_print_image_descriptor (string, shader->desc, instance->tex_id);
}
static const GskGpuShaderOpClass GSK_GPU_COLOR_MATRIX_OP_CLASS = {
{
GSK_GPU_OP_SIZE (GskGpuColorMatrixOp),
GSK_GPU_STAGE_SHADER,
gsk_gpu_shader_op_finish,
gsk_gpu_shader_op_print,
#ifdef GDK_RENDERING_VULKAN
gsk_gpu_shader_op_vk_command,
#endif
gsk_gpu_shader_op_gl_command
},
"gskgpucolormatrix",
sizeof (GskGpuColormatrixInstance),
#ifdef GDK_RENDERING_VULKAN
&gsk_gpu_colormatrix_info,
#endif
gsk_gpu_color_matrix_op_print_instance,
gsk_gpu_colormatrix_setup_attrib_locations,
gsk_gpu_colormatrix_setup_vao
};
void
gsk_gpu_color_matrix_op (GskGpuFrame *frame,
GskGpuShaderClip clip,
GskGpuDescriptors *desc,
guint32 descriptor,
const graphene_rect_t *rect,
const graphene_point_t *offset,
const graphene_rect_t *tex_rect,
const graphene_matrix_t *color_matrix,
const graphene_vec4_t *color_offset)
{
GskGpuColormatrixInstance *instance;
gsk_gpu_shader_op_alloc (frame,
&GSK_GPU_COLOR_MATRIX_OP_CLASS,
0,
clip,
desc,
&instance);
gsk_gpu_rect_to_float (rect, offset, instance->rect);
gsk_gpu_rect_to_float (tex_rect, offset, instance->tex_rect);
instance->tex_id = descriptor;
graphene_matrix_to_float (color_matrix, instance->color_matrix);
graphene_vec4_to_float (color_offset, instance->color_offset);
}
void
gsk_gpu_color_matrix_op_opacity (GskGpuFrame *frame,
GskGpuShaderClip clip,
GskGpuDescriptors *desc,
guint32 descriptor,
const graphene_rect_t *rect,
const graphene_point_t *offset,
const graphene_rect_t *tex_rect,
float opacity)
{
graphene_matrix_t matrix;
graphene_matrix_init_from_float (&matrix,
(float[16]) {
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, opacity
});
gsk_gpu_color_matrix_op (frame,
clip,
desc,
descriptor,
rect,
offset,
tex_rect,
&matrix,
graphene_vec4_zero ());
}