gtk/gsk/gpu/gskgpublurop.c

#include "config.h"

#include "gskgpubluropprivate.h"

#include "gskgpuframeprivate.h"
#include "gskgpuprintprivate.h"
#include "gskrectprivate.h"

#include "gpu/shaders/gskgpublurinstance.h"

typedef struct _GskGpuBlurOp GskGpuBlurOp;

struct _GskGpuBlurOp
{
  GskGpuShaderOp op;
};

static void
gsk_gpu_blur_op_print (GskGpuOp    *op,
                       GskGpuFrame *frame,
                       GString     *string,
                       guint        indent)
{
  GskGpuShaderOp *shader = (GskGpuShaderOp *) op;
  GskGpuBlurInstance *instance;

  instance = (GskGpuBlurInstance *) gsk_gpu_frame_get_vertex_data (frame, shader->vertex_offset);

  gsk_gpu_print_op (string, indent, "blur");
  gsk_gpu_print_rect (string, instance->rect);
  gsk_gpu_print_image_descriptor (string, shader->desc, instance->tex_id);
  gsk_gpu_print_newline (string);
}

static const GskGpuShaderOpClass GSK_GPU_BLUR_OP_CLASS = {
  {
    GSK_GPU_OP_SIZE (GskGpuBlurOp),
    GSK_GPU_STAGE_SHADER,
    gsk_gpu_shader_op_finish,
    gsk_gpu_blur_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_setup_vao
};

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,
                 const GdkRGBA          *blur_color)
{
  GskGpuBlurInstance *instance;

  gsk_gpu_shader_op_alloc (frame,
                           &GSK_GPU_BLUR_OP_CLASS,
                           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;
}