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https://gitlab.freedesktop.org/wlroots/wlroots.git
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29291cb47c
Whether a texture is opaque or not doesn't depend on the renderer at all, it just depends on the source buffer. Instead of forcing all renderers to implement wlr_texture_impl.is_opaque, let's move this in common code and use the wlr_buffer format to know whether a texture will be opaque.
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wlr/render/interface.h>
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#include <wlr/render/wlr_texture.h>
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#include "types/wlr_buffer.h"
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void wlr_texture_init(struct wlr_texture *texture,
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const struct wlr_texture_impl *impl, uint32_t width, uint32_t height) {
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memset(texture, 0, sizeof(*texture));
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texture->impl = impl;
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texture->width = width;
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texture->height = height;
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}
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void wlr_texture_destroy(struct wlr_texture *texture) {
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if (texture && texture->impl && texture->impl->destroy) {
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texture->impl->destroy(texture);
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} else {
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free(texture);
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}
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}
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struct wlr_texture *wlr_texture_from_pixels(struct wlr_renderer *renderer,
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uint32_t fmt, uint32_t stride, uint32_t width, uint32_t height,
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const void *data) {
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assert(width > 0);
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assert(height > 0);
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assert(stride > 0);
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assert(data);
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struct wlr_readonly_data_buffer *buffer =
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readonly_data_buffer_create(fmt, stride, width, height, data);
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if (buffer == NULL) {
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return NULL;
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}
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struct wlr_texture *texture =
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wlr_texture_from_buffer(renderer, &buffer->base);
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// By this point, the renderer should have locked the buffer if it still
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// needs to access it in the future.
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readonly_data_buffer_drop(buffer);
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return texture;
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}
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struct wlr_texture *wlr_texture_from_dmabuf(struct wlr_renderer *renderer,
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struct wlr_dmabuf_attributes *attribs) {
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struct wlr_dmabuf_buffer *buffer = dmabuf_buffer_create(attribs);
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if (buffer == NULL) {
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return NULL;
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}
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struct wlr_texture *texture =
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wlr_texture_from_buffer(renderer, &buffer->base);
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// By this point, the renderer should have locked the buffer if it still
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// needs to access it in the future.
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dmabuf_buffer_drop(buffer);
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return texture;
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}
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struct wlr_texture *wlr_texture_from_buffer(struct wlr_renderer *renderer,
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struct wlr_buffer *buffer) {
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if (!renderer->impl->texture_from_buffer) {
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return NULL;
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}
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return renderer->impl->texture_from_buffer(renderer, buffer);
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}
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bool wlr_texture_write_pixels(struct wlr_texture *texture,
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uint32_t stride, uint32_t width, uint32_t height,
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uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
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const void *data) {
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if (!texture->impl->write_pixels) {
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return false;
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}
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return texture->impl->write_pixels(texture, stride, width, height,
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src_x, src_y, dst_x, dst_y, data);
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}
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