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CWebRender pt2

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wuggy 2026-09-18 12:00:30 -07:00
commit fe181d242f
22 changed files with 1623 additions and 489 deletions
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105
gfx/wr/wr_frame.c Normal file
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#include <wr_internal.h>
static int
wr_frame_has_image(const wr_context* context, uint32_t key)
{
size_t i;
for (i = 0; i < context->image_count; ++i)
if (context->images[i].key == key)
return 1;
return 0;
}
const wr_frame*
wr_context_build_frame(wr_context* context)
{
size_t i;
if (!context)
return NULL;
if (context->frame_valid)
return &context->frame;
context->quad_count = 0;
context->batch_count = 0;
for (i = 0; i < context->command_count; ++i) {
wr_rect_command* command = &context->commands[i];
wr_gpu_quad* quad;
wr_gpu_batch* batch;
if (!command->active ||
(command->kind == WR_PRIMITIVE_IMAGE &&
!wr_frame_has_image(context, command->image_key)) ||
wr_command_occluded(context, i))
continue;
if (!wr_intersects(wr_transform_bounds(command->rect,
command->transform),
context->viewport) ||
(command->clip_rect.width <= 0.0f ||
command->clip_rect.height <= 0.0f))
continue;
if (context->quad_count == SIZE_MAX ||
context->quad_count >= UINT32_MAX ||
context->batch_count == SIZE_MAX ||
context->batch_count >= UINT32_MAX)
return NULL;
if (!wr_reserve((void**)&context->quads, &context->quad_capacity,
context->quad_count + 1, sizeof(*context->quads)) ||
!wr_reserve((void**)&context->batches, &context->batch_capacity,
context->batch_count + 1, sizeof(*context->batches)))
return NULL;
quad = &context->quads[context->quad_count++];
quad->rect = command->rect;
quad->color = command->color;
quad->tex_rect = command->tex_rect;
quad->image_key = command->image_key;
quad->item_id = command->item_id;
quad->active = command->active;
quad->kind = command->kind;
if (context->batch_count &&
context->batches[context->batch_count - 1].kind == command->kind &&
context->batches[context->batch_count - 1].image_key ==
command->image_key &&
wr_colors_equal(context->batches[context->batch_count - 1].color,
command->color) &&
context->batches[context->batch_count - 1].transform.m11 ==
command->transform.m11 &&
context->batches[context->batch_count - 1].transform.m12 ==
command->transform.m12 &&
context->batches[context->batch_count - 1].transform.m21 ==
command->transform.m21 &&
context->batches[context->batch_count - 1].transform.m22 ==
command->transform.m22 &&
context->batches[context->batch_count - 1].transform.m31 ==
command->transform.m31 &&
context->batches[context->batch_count - 1].transform.m32 ==
command->transform.m32 &&
context->batches[context->batch_count - 1].has_clip ==
command->has_clip &&
(!command->has_clip ||
wr_rects_equal(context->batches[context->batch_count - 1].clip_rect,
command->clip_rect))) {
batch = &context->batches[context->batch_count - 1];
++batch->quad_count;
} else {
batch = &context->batches[context->batch_count++];
batch->first_quad = (uint32_t)(context->quad_count - 1);
batch->quad_count = 1;
batch->color = command->color;
batch->transform = command->transform;
batch->clip_rect = command->clip_rect;
batch->has_clip = command->has_clip;
batch->kind = command->kind;
batch->image_key = command->image_key;
}
}
context->frame.quads = context->quads;
context->frame.quad_count = context->quad_count;
context->frame.batches = context->batches;
context->frame.batch_count = context->batch_count;
context->frame_valid = 1;
return &context->frame;
}