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render/gles2: hide shm formats without GL support 

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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6
include/render/gles2.h
View File

@ -109,10 +109,14 @@ struct wlr_gles2_texture {
struct wl_listener buffer_destroy; struct wl_listener buffer_destroy;
}; };
bool is_gles2_pixel_format_supported(const struct wlr_gles2_renderer *renderer,
const struct wlr_gles2_pixel_format *format);
const struct wlr_gles2_pixel_format *get_gles2_format_from_drm(uint32_t fmt); const struct wlr_gles2_pixel_format *get_gles2_format_from_drm(uint32_t fmt);
const struct wlr_gles2_pixel_format *get_gles2_format_from_gl( const struct wlr_gles2_pixel_format *get_gles2_format_from_gl(
GLint gl_format, GLint gl_type, bool alpha); GLint gl_format, GLint gl_type, bool alpha);
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);
struct wlr_gles2_renderer *gles2_get_renderer( struct wlr_gles2_renderer *gles2_get_renderer(
struct wlr_renderer *wlr_renderer); struct wlr_renderer *wlr_renderer);

20
render/gles2/pixel_format.c
View File

@ -75,6 +75,15 @@ static const struct wlr_gles2_pixel_format formats[] = {
// TODO: more pixel 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) { 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) { for (size_t i = 0; i < sizeof(formats) / sizeof(*formats); ++i) {
if (formats[i].drm_format == fmt) { if (formats[i].drm_format == fmt) {
@ -96,11 +105,16 @@ const struct wlr_gles2_pixel_format *get_gles2_format_from_gl(
return NULL; 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])]; 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++) { 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; return shm_formats;
} }

13
render/gles2/renderer.c
View File

@ -376,7 +376,8 @@ static void gles2_render_quad_with_matrix(struct wlr_renderer *wlr_renderer,
static const uint32_t *gles2_get_shm_texture_formats( static const uint32_t *gles2_get_shm_texture_formats(
struct wlr_renderer *wlr_renderer, size_t *len) { struct wlr_renderer *wlr_renderer, size_t *len) {
return get_gles2_shm_formats(len); struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
return get_gles2_shm_formats(renderer, len);
} }
static const struct wlr_drm_format_set *gles2_get_dmabuf_texture_formats( static const struct wlr_drm_format_set *gles2_get_dmabuf_texture_formats(
@ -431,14 +432,8 @@ static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer,
const struct wlr_gles2_pixel_format *fmt = const struct wlr_gles2_pixel_format *fmt =
get_gles2_format_from_drm(drm_format); get_gles2_format_from_drm(drm_format);
if (fmt == NULL) { if (fmt == NULL || !is_gles2_pixel_format_supported(renderer, fmt)) {
wlr_log(WLR_ERROR, "Cannot read pixels: unsupported pixel format"); 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; return false;
} }