diff options
Diffstat (limited to 'render/gles2/renderer.c')
| -rw-r--r-- | render/gles2/renderer.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 1b106af5..93fe292c 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -288,90 +288,6 @@ static const struct wlr_drm_format_set *gles2_get_render_formats( return wlr_egl_get_dmabuf_render_formats(renderer->egl); } -static uint32_t gles2_preferred_read_format( - struct wlr_renderer *wlr_renderer) { - struct wlr_gles2_renderer *renderer = - gles2_get_renderer_in_context(wlr_renderer); - - push_gles2_debug(renderer); - - GLint gl_format = -1, gl_type = -1, alpha_size = -1; - glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &gl_format); - glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &gl_type); - glGetIntegerv(GL_ALPHA_BITS, &alpha_size); - - pop_gles2_debug(renderer); - - const struct wlr_gles2_pixel_format *fmt = - get_gles2_format_from_gl(gl_format, gl_type, alpha_size > 0); - if (fmt != NULL) { - return fmt->drm_format; - } - - if (renderer->exts.EXT_read_format_bgra) { - return DRM_FORMAT_XRGB8888; - } - return DRM_FORMAT_XBGR8888; -} - -static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer, - uint32_t drm_format, uint32_t stride, - uint32_t width, uint32_t height, uint32_t src_x, uint32_t src_y, - uint32_t dst_x, uint32_t dst_y, void *data) { - struct wlr_gles2_renderer *renderer = - gles2_get_renderer_in_context(wlr_renderer); - - const struct wlr_gles2_pixel_format *fmt = - get_gles2_format_from_drm(drm_format); - if (fmt == NULL || !is_gles2_pixel_format_supported(renderer, fmt)) { - wlr_log(WLR_ERROR, "Cannot read pixels: unsupported pixel format 0x%"PRIX32, drm_format); - return false; - } - - if (fmt->gl_format == GL_BGRA_EXT && !renderer->exts.EXT_read_format_bgra) { - wlr_log(WLR_ERROR, - "Cannot read pixels: missing GL_EXT_read_format_bgra extension"); - return false; - } - - const struct wlr_pixel_format_info *drm_fmt = - drm_get_pixel_format_info(fmt->drm_format); - assert(drm_fmt); - if (pixel_format_info_pixels_per_block(drm_fmt) != 1) { - wlr_log(WLR_ERROR, "Cannot read pixels: block formats are not supported"); - return false; - } - - push_gles2_debug(renderer); - - // Make sure any pending drawing is finished before we try to read it - glFinish(); - - glGetError(); // Clear the error flag - - unsigned char *p = (unsigned char *)data + dst_y * stride; - glPixelStorei(GL_PACK_ALIGNMENT, 1); - uint32_t pack_stride = pixel_format_info_min_stride(drm_fmt, width); - if (pack_stride == stride && dst_x == 0) { - // Under these particular conditions, we can read the pixels with only - // one glReadPixels call - - glReadPixels(src_x, src_y, width, height, fmt->gl_format, fmt->gl_type, p); - } else { - // Unfortunately GLES2 doesn't support GL_PACK_ROW_LENGTH, so we have to read - // the lines out row by row - for (size_t i = 0; i < height; ++i) { - uint32_t y = src_y + i; - glReadPixels(src_x, y, width, 1, fmt->gl_format, - fmt->gl_type, p + i * stride + dst_x * drm_fmt->bytes_per_block); - } - } - - pop_gles2_debug(renderer); - - return glGetError() == GL_NO_ERROR; -} - static int gles2_get_drm_fd(struct wlr_renderer *wlr_renderer) { struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer); @@ -536,8 +452,6 @@ static const struct wlr_renderer_impl renderer_impl = { .get_shm_texture_formats = gles2_get_shm_texture_formats, .get_dmabuf_texture_formats = gles2_get_dmabuf_texture_formats, .get_render_formats = gles2_get_render_formats, - .preferred_read_format = gles2_preferred_read_format, - .read_pixels = gles2_read_pixels, .get_drm_fd = gles2_get_drm_fd, .get_render_buffer_caps = gles2_get_render_buffer_caps, .texture_from_buffer = gles2_texture_from_buffer, |