gtk/gsk/gpu/gskgpublurop.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

128 lines
4.0 KiB
C

#include "config.h"
#include "gskgpubluropprivate.h"
#include "gskgpuframeprivate.h"
#include "gskgpuprintprivate.h"
#include "gskrectprivate.h"
#include "gdk/gdkrgbaprivate.h"
#include "gpu/shaders/gskgpublurinstance.h"
#define VARIATION_COLORIZE 1
typedef struct _GskGpuBlurOp GskGpuBlurOp;
struct _GskGpuBlurOp
{
GskGpuShaderOp op;
};
static void
gsk_gpu_blur_op_print_instance (GskGpuShaderOp *shader,
gpointer instance_,
GString *string)
{
GskGpuBlurInstance *instance = (GskGpuBlurInstance *) instance_;
g_string_append_printf (string, "%g,%g ", instance->blur_direction[0], instance->blur_direction[1]);
gsk_gpu_print_rect (string, instance->rect);
gsk_gpu_print_image_descriptor (string, shader->desc, instance->tex_id);
}
static const GskGpuShaderOpClass GSK_GPU_BLUR_OP_CLASS = {
{
GSK_GPU_OP_SIZE (GskGpuBlurOp),
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
},
"gskgpublur",
sizeof (GskGpuBlurInstance),
#ifdef GDK_RENDERING_VULKAN
&gsk_gpu_blur_info,
#endif
gsk_gpu_blur_op_print_instance,
gsk_gpu_blur_setup_attrib_locations,
gsk_gpu_blur_setup_vao
};
static void
gsk_gpu_blur_op_full (GskGpuFrame *frame,
guint32 variation,
GskGpuShaderClip clip,
GskGpuDescriptors *desc,
guint32 descriptor,
const graphene_rect_t *rect,
const graphene_point_t *offset,
const graphene_rect_t *tex_rect,
const graphene_vec2_t *blur_direction,
const GdkRGBA *blur_color)
{
GskGpuBlurInstance *instance;
gsk_gpu_shader_op_alloc (frame,
&GSK_GPU_BLUR_OP_CLASS,
variation,
clip,
desc,
&instance);
gsk_gpu_rect_to_float (rect, offset, instance->rect);
gsk_gpu_rect_to_float (tex_rect, offset, instance->tex_rect);
graphene_vec2_to_float (blur_direction, instance->blur_direction);
gsk_gpu_rgba_to_float (blur_color, instance->blur_color);
instance->tex_id = descriptor;
}
void
gsk_gpu_blur_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_vec2_t *blur_direction)
{
gsk_gpu_blur_op_full (frame,
0,
clip,
desc,
descriptor,
rect,
offset,
tex_rect,
blur_direction,
&GDK_RGBA_TRANSPARENT);
}
void
gsk_gpu_blur_shadow_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_vec2_t *blur_direction,
const GdkRGBA *shadow_color)
{
gsk_gpu_blur_op_full (frame,
VARIATION_COLORIZE,
clip,
desc,
descriptor,
rect,
offset,
tex_rect,
blur_direction,
shadow_color);
}