- glBindTexture(GL_TEXTURE_2D, userdata->tex_cbcr);
- check_error();
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, cbcr_width, HEIGHT, GL_RG, GL_UNSIGNED_BYTE, BUFFER_OFFSET(cbcr_offset + cbcr_width * skipped_lines * sizeof(uint16_t)));
- check_error();
- glBindTexture(GL_TEXTURE_2D, userdata->tex_y);
- check_error();
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, WIDTH, HEIGHT, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(y_offset + WIDTH * skipped_lines));
- check_error();
+ if (width != userdata->last_width || height != userdata->last_height) {
+ // We changed resolution since last use of this texture, so we need to create
+ // a new object. Note that this each card has its own PBOFrameAllocator,
+ // we don't need to worry about these flip-flopping between resolutions.
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_cbcr);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, cbcr_width, height, 0, GL_RG, GL_UNSIGNED_BYTE, BUFFER_OFFSET(cbcr_offset + cbcr_width * extra_lines_top * sizeof(uint16_t)));
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_y);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(y_offset + width * extra_lines_top));
+ check_error();
+ userdata->last_width = width;
+ userdata->last_height = height;
+ } else {
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_cbcr);
+ check_error();
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, cbcr_width, height, GL_RG, GL_UNSIGNED_BYTE, BUFFER_OFFSET(cbcr_offset + cbcr_width * extra_lines_top * sizeof(uint16_t)));
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_y);
+ check_error();
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RED, GL_UNSIGNED_BYTE, BUFFER_OFFSET(y_offset + width * extra_lines_top));
+ check_error();
+ }