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render/gles2: hide shm formats without GL support

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This change introduces a new function to check whether the renderer
has the needed GL extensions to read a given pixel format.
This commit is contained in:
Manuel Stoeckl 2021-07-29 23:53:22 -04:00 • committed by Simon Ser
parent 4dc52bcb6c
commit 44e8451cd9
3 changed files with 26 additions and 13 deletions
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20
render/gles2/pixel_format.c
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@ -75,6 +75,15 @@ static const struct wlr_gles2_pixel_format formats[] = {
// TODO: more pixel formats
bool is_gles2_pixel_format_supported(const struct wlr_gles2_renderer *renderer,
const struct wlr_gles2_pixel_format *format) {
if (format->gl_format == GL_BGRA_EXT
&& !renderer->exts.EXT_read_format_bgra) {
return false;
}
return true;
}
const struct wlr_gles2_pixel_format *get_gles2_format_from_drm(uint32_t fmt) {
for (size_t i = 0; i < sizeof(formats) / sizeof(*formats); ++i) {
if (formats[i].drm_format == fmt) {
@ -96,11 +105,16 @@ const struct wlr_gles2_pixel_format *get_gles2_format_from_gl(
return NULL;
}
const uint32_t *get_gles2_shm_formats(size_t *len) {
const uint32_t *get_gles2_shm_formats(const struct wlr_gles2_renderer *renderer,
size_t *len) {
static uint32_t shm_formats[sizeof(formats) / sizeof(formats[0])];
*len = sizeof(formats) / sizeof(formats[0]);
size_t j = 0;
for (size_t i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) {
shm_formats[i] = formats[i].drm_format;
if (!is_gles2_pixel_format_supported(renderer, &formats[i])) {
continue;
}
shm_formats[j++] = formats[i].drm_format;
}
*len = j;
return shm_formats;
}