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gpu: Add gsk_gpu_node_processor_init_draw/finish_draw()
These initialize/finish an offscreen and start drawing to it. It simplifies the process of using offscreens quite a bit that way.
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@ -273,6 +273,54 @@ rect_round_to_pixels (const graphene_rect_t *src,
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(ceil ((src->origin.y + src->size.height) * yscale) - y) * inv_yscale);
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(ceil ((src->origin.y + src->size.height) * yscale) - y) * inv_yscale);
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}
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}
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static GskGpuImage *
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gsk_gpu_node_processor_init_draw (GskGpuNodeProcessor *self,
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GskGpuFrame *frame,
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GdkMemoryDepth depth,
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const graphene_vec2_t *scale,
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const graphene_rect_t *viewport)
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{
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GskGpuImage *image;
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cairo_rectangle_int_t area;
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area.x = 0;
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area.y = 0;
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area.width = ceil (graphene_vec2_get_x (scale) * viewport->size.width);
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area.height = ceil (graphene_vec2_get_y (scale) * viewport->size.height);
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image = gsk_gpu_device_create_offscreen_image (gsk_gpu_frame_get_device (frame),
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FALSE,
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depth,
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area.width, area.height);
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if (image == NULL)
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return NULL;
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gsk_gpu_node_processor_init (self,
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frame,
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NULL,
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image,
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&area,
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viewport);
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gsk_gpu_render_pass_begin_op (frame,
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image,
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&area,
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GSK_RENDER_PASS_OFFSCREEN);
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return image;
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}
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static void
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gsk_gpu_node_processor_finish_draw (GskGpuNodeProcessor *self,
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GskGpuImage *image)
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{
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gsk_gpu_render_pass_end_op (self->frame,
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image,
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GSK_RENDER_PASS_OFFSCREEN);
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gsk_gpu_node_processor_finish (self);
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}
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void
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void
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gsk_gpu_node_processor_process (GskGpuFrame *frame,
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gsk_gpu_node_processor_process (GskGpuFrame *frame,
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GskGpuImage *target,
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GskGpuImage *target,
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@ -2011,7 +2059,6 @@ gsk_gpu_node_processor_add_gradient_node (GskGpuNodeProcessor *self,
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graphene_rect_t bounds;
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graphene_rect_t bounds;
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gsize i, j;
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gsize i, j;
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GskGpuImage *image;
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GskGpuImage *image;
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int width, height;
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guint32 descriptor;
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guint32 descriptor;
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if (n_stops < 8)
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if (n_stops < 8)
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@ -2038,24 +2085,11 @@ gsk_gpu_node_processor_add_gradient_node (GskGpuNodeProcessor *self,
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return;
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return;
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rect_round_to_pixels (&bounds, &self->scale, &bounds);
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rect_round_to_pixels (&bounds, &self->scale, &bounds);
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width = ceil (graphene_vec2_get_x (&self->scale) * bounds.size.width);
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image = gsk_gpu_node_processor_init_draw (&other,
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height = ceil (graphene_vec2_get_y (&self->scale) * bounds.size.height);
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self->frame,
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gsk_render_node_get_preferred_depth (node),
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image = gsk_gpu_device_create_offscreen_image (gsk_gpu_frame_get_device (self->frame),
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&self->scale,
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FALSE,
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&bounds);
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gsk_render_node_get_preferred_depth (node),
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width, height);
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gsk_gpu_node_processor_init (&other,
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self->frame,
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NULL,
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image,
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&(cairo_rectangle_int_t) { 0, 0, width, height },
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&bounds);
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gsk_gpu_render_pass_begin_op (other.frame,
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image,
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&(cairo_rectangle_int_t) { 0, 0, width, height },
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GSK_RENDER_PASS_OFFSCREEN);
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other.blend = GSK_GPU_BLEND_ADD;
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other.blend = GSK_GPU_BLEND_ADD;
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other.pending_globals |= GSK_GPU_GLOBAL_BLEND;
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other.pending_globals |= GSK_GPU_GLOBAL_BLEND;
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@ -2098,11 +2132,7 @@ gsk_gpu_node_processor_add_gradient_node (GskGpuNodeProcessor *self,
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func (&other, node, real_stops, j);
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func (&other, node, real_stops, j);
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}
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}
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gsk_gpu_render_pass_end_op (other.frame,
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gsk_gpu_node_processor_finish_draw (&other, image);
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image,
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GSK_RENDER_PASS_OFFSCREEN);
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gsk_gpu_node_processor_finish (&other);
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descriptor = gsk_gpu_node_processor_add_image (self, image, GSK_GPU_SAMPLER_DEFAULT);
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descriptor = gsk_gpu_node_processor_add_image (self, image, GSK_GPU_SAMPLER_DEFAULT);
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