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gpu: Add optimization for opacity nodes

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Track the global opacity and allow nodes to handle it themselves.

If the nodes don't, fall back to what we did previously: Use the
ubershader.
This commit is contained in:
Benjamin Otte 2023-11-10 21:42:54 +01:00
parent a06cd6a821
commit 245e51099f
1 changed files with 73 additions and 2 deletions
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75
gsk/gpu/gskgpunodeprocessor.c
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@ -96,6 +96,7 @@ struct _GskGpuNodeProcessor
graphene_vec2_t scale;
GskTransform *modelview;
GskGpuClip clip;
float opacity;
GskGpuGlobals pending_globals;
};
@ -148,6 +149,7 @@ gsk_gpu_node_processor_init (GskGpuNodeProcessor *self,
gsk_gpu_image_get_height (target) / viewport->size.height);
self->offset = GRAPHENE_POINT_INIT (-viewport->origin.x,
-viewport->origin.y);
self->opacity = 1.0;
self->pending_globals = GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR;
}
@ -879,6 +881,12 @@ gsk_gpu_node_processor_try_node_as_pattern (GskGpuNodeProcessor *self,
return FALSE;
}
if (self->opacity < 1.0)
{
gsk_gpu_buffer_writer_append_uint (&writer.writer, GSK_GPU_PATTERN_OPACITY);
gsk_gpu_buffer_writer_append_float (&writer.writer, self->opacity);
}
gsk_gpu_buffer_writer_append_uint (&writer.writer, GSK_GPU_PATTERN_DONE);
gsk_gpu_pattern_writer_commit_op (&writer,
@ -906,6 +914,14 @@ gsk_gpu_node_processor_add_node_as_pattern (GskGpuNodeProcessor *self,
}
}
static void
gsk_gpu_node_processor_add_without_opacity (GskGpuNodeProcessor *self,
GskRenderNode *node)
{
gsk_gpu_node_processor_sync_globals (self, 0);
gsk_gpu_node_processor_add_node_as_pattern (self, node);
}
static void
gsk_gpu_node_processor_add_clip_node (GskGpuNodeProcessor *self,
GskRenderNode *node)
@ -1300,6 +1316,19 @@ gsk_gpu_node_processor_create_transform_pattern (GskGpuPatternWriter *self,
return result;
}
static void
gsk_gpu_node_processor_add_opacity_node (GskGpuNodeProcessor *self,
GskRenderNode *node)
{
float old_opacity = self->opacity;
self->opacity *= gsk_opacity_node_get_opacity (node);
gsk_gpu_node_processor_add_node (self, gsk_opacity_node_get_child (node));
self->opacity = old_opacity;
}
static void
gsk_gpu_node_processor_add_color_node (GskGpuNodeProcessor *self,
GskRenderNode *node)
@ -2225,166 +2254,202 @@ gsk_gpu_node_processor_add_debug_node (GskGpuNodeProcessor *self,
gsk_gpu_node_processor_add_node (self, gsk_debug_node_get_child (node));
}
typedef enum {
GSK_GPU_HANDLE_OPACITY = (1 << 0)
} GskGpuNodeFeatures;
static const struct
{
GskGpuGlobals ignored_globals;
GskGpuNodeFeatures features;
void (* process_node) (GskGpuNodeProcessor *self,
GskRenderNode *node);
gboolean (* create_pattern) (GskGpuPatternWriter *self,
GskRenderNode *node);
} nodes_vtable[] = {
[GSK_NOT_A_RENDER_NODE] = {
0,
0,
NULL,
NULL,
},
[GSK_CONTAINER_NODE] = {
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
0,
gsk_gpu_node_processor_add_container_node,
NULL,
},
[GSK_CAIRO_NODE] = {
0,
0,
NULL,
NULL,
},
[GSK_COLOR_NODE] = {
0,
0,
gsk_gpu_node_processor_add_color_node,
gsk_gpu_node_processor_create_color_pattern,
},
[GSK_LINEAR_GRADIENT_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_linear_gradient_pattern,
},
[GSK_REPEATING_LINEAR_GRADIENT_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_linear_gradient_pattern,
},
[GSK_RADIAL_GRADIENT_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_radial_gradient_pattern,
},
[GSK_REPEATING_RADIAL_GRADIENT_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_radial_gradient_pattern,
},
[GSK_CONIC_GRADIENT_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_conic_gradient_pattern,
},
[GSK_BORDER_NODE] = {
0,
0,
gsk_gpu_node_processor_add_border_node,
NULL,
},
[GSK_TEXTURE_NODE] = {
0,
0,
gsk_gpu_node_processor_add_texture_node,
gsk_gpu_node_processor_create_texture_pattern,
},
[GSK_INSET_SHADOW_NODE] = {
0,
0,
gsk_gpu_node_processor_add_inset_shadow_node,
NULL,
},
[GSK_OUTSET_SHADOW_NODE] = {
0,
0,
gsk_gpu_node_processor_add_outset_shadow_node,
NULL,
},
[GSK_TRANSFORM_NODE] = {
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_transform_node,
gsk_gpu_node_processor_create_transform_pattern,
},
[GSK_OPACITY_NODE] = {
0,
gsk_gpu_node_processor_add_node_as_pattern,
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_opacity_node,
gsk_gpu_node_processor_create_opacity_pattern,
},
[GSK_COLOR_MATRIX_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_color_matrix_pattern
},
[GSK_REPEAT_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_repeat_pattern
},
[GSK_CLIP_NODE] = {
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_clip_node,
gsk_gpu_node_processor_create_clip_pattern,
},
[GSK_ROUNDED_CLIP_NODE] = {
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_rounded_clip_node,
NULL,
},
[GSK_SHADOW_NODE] = {
0,
0,
gsk_gpu_node_processor_add_shadow_node,
NULL,
},
[GSK_BLEND_NODE] = {
0,
0,
NULL,
NULL,
},
[GSK_CROSS_FADE_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_cross_fade_pattern,
},
[GSK_TEXT_NODE] = {
0,
0,
gsk_gpu_node_processor_add_glyph_node,
gsk_gpu_node_processor_create_glyph_pattern,
},
[GSK_BLUR_NODE] = {
0,
0,
gsk_gpu_node_processor_add_blur_node,
NULL,
},
[GSK_DEBUG_NODE] = {
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_debug_node,
gsk_gpu_node_processor_create_debug_pattern,
},
[GSK_GL_SHADER_NODE] = {
0,
0,
NULL,
NULL,
},
[GSK_TEXTURE_SCALE_NODE] = {
0,
0,
gsk_gpu_node_processor_add_texture_scale_node,
NULL,
},
[GSK_MASK_NODE] = {
0,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_node_as_pattern,
gsk_gpu_node_processor_create_mask_pattern,
},
[GSK_FILL_NODE] = {
0,
0,
NULL,
NULL,
},
[GSK_STROKE_NODE] = {
0,
0,
NULL,
NULL,
},
[GSK_SUBSURFACE_NODE] = {
GSK_GPU_GLOBAL_MATRIX | GSK_GPU_GLOBAL_SCALE | GSK_GPU_GLOBAL_CLIP | GSK_GPU_GLOBAL_SCISSOR,
GSK_GPU_HANDLE_OPACITY,
gsk_gpu_node_processor_add_subsurface_node,
gsk_gpu_node_processor_create_subsurface_pattern,
},
@ -2411,6 +2476,12 @@ gsk_gpu_node_processor_add_node (GskGpuNodeProcessor *self,
return;
}
if (self->opacity < 1.0 && (nodes_vtable[node_type].features & GSK_GPU_HANDLE_OPACITY) == 0)
{
gsk_gpu_node_processor_add_without_opacity (self, node);
return;
}
gsk_gpu_node_processor_sync_globals (self, nodes_vtable[node_type].ignored_globals);
g_assert ((self->pending_globals & ~nodes_vtable[node_type].ignored_globals) == 0);