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gpu: Allow passing a background color to renderpasses

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It's not used yet, everybody is passing GDK_RGBA_TRANSPARENT.
This commit is contained in:
Benjamin Otte 2024-07-07 19:38:38 +02:00
parent df3c85ea7f
commit af9a9422c4
3 changed files with 21 additions and 2 deletions
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3
gsk/gpu/gskgpunodeprocessor.c
View File

@ -346,6 +346,7 @@ gsk_gpu_node_processor_init_draw (GskGpuNodeProcessor *self,
gsk_gpu_render_pass_begin_op (frame,
image,
&area,
&GDK_RGBA_TRANSPARENT,
GSK_RENDER_PASS_OFFSCREEN);
return image;
@ -381,6 +382,7 @@ gsk_gpu_node_processor_process (GskGpuFrame *frame,
gsk_gpu_render_pass_begin_op (frame,
target,
clip,
&GDK_RGBA_TRANSPARENT,
GSK_RENDER_PASS_PRESENT);
gsk_gpu_node_processor_add_node (&self, node);
@ -669,6 +671,7 @@ gsk_gpu_copy_image (GskGpuFrame *frame,
gsk_gpu_render_pass_begin_op (other.frame,
copy,
&(cairo_rectangle_int_t) { 0, 0, width, height },
&GDK_RGBA_TRANSPARENT,
GSK_RENDER_PASS_OFFSCREEN);
gsk_gpu_node_processor_sync_globals (&other, 0);

19
gsk/gpu/gskgpurenderpassop.c
View File

@ -22,6 +22,7 @@ struct _GskGpuRenderPassOp
GskGpuImage *target;
cairo_rectangle_int_t area;
float background[4];
GskRenderPassType pass_type;
};
@ -43,6 +44,9 @@ gsk_gpu_render_pass_op_print (GskGpuOp *op,
gsk_gpu_print_op (string, indent, "begin-render-pass");
gsk_gpu_print_image (string, self->target);
gsk_gpu_print_int_rect (string, &self->area);
if (self->background[3] > 0)
gsk_gpu_print_rgba (string, self->background);
gsk_gpu_print_newline (string);
}
@ -137,7 +141,16 @@ gsk_gpu_render_pass_op_vk_command (GskGpuOp *op,
},
.clearValueCount = 1,
.pClearValues = (VkClearValue [1]) {
{ .color = { .float32 = { 0.f, 0.f, 0.f, 0.f } } }
{
.color = {
.float32 = {
self->background[0],
self->background[1],
self->background[2],
self->background[3]
}
}
}
}
},
VK_SUBPASS_CONTENTS_INLINE);
@ -179,7 +192,7 @@ gsk_gpu_render_pass_op_gl_command (GskGpuOp *op,
glScissor (self->area.x, state->flip_y - self->area.y - self->area.height, self->area.width, self->area.height);
else
glScissor (self->area.x, self->area.y, self->area.width, self->area.height);
glClearColor (0, 0, 0, 0);
glClearColor (self->background[0], self->background[1], self->background[2], self->background[3]);
glClear (GL_COLOR_BUFFER_BIT);
op = op->next;
@ -311,6 +324,7 @@ void
gsk_gpu_render_pass_begin_op (GskGpuFrame *frame,
GskGpuImage *image,
const cairo_rectangle_int_t *area,
const GdkRGBA *background,
GskRenderPassType pass_type)
{
GskGpuRenderPassOp *self;
@ -319,6 +333,7 @@ gsk_gpu_render_pass_begin_op (GskGpuFrame *frame,
self->target = g_object_ref (image);
self->area = *area;
gsk_gpu_rgba_to_float (background, self->background);
self->pass_type = pass_type;
}

1
gsk/gpu/gskgpurenderpassopprivate.h
View File

@ -18,6 +18,7 @@ typedef enum
void gsk_gpu_render_pass_begin_op (GskGpuFrame *frame,
GskGpuImage *image,
const cairo_rectangle_int_t *area,
const GdkRGBA *background,
GskRenderPassType pass_type);
void gsk_gpu_render_pass_end_op (GskGpuFrame *frame,
GskGpuImage *image,