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render/gles2: add a few 10-bit and FP16 formats 

The half-float formats depend on GL_OES_texture_half_float_linear,
not just the GL_OES_texture_half_float extension, because the latter
does not include support for linear magni/minification filters.

The new 2101010 and 16161616F formats are only available on little-
endian builds, since their gl_types are larger than a byte and thus
endianness dependent.
This commit is contained in:
Manuel Stoeckl 2021-07-29 23:55:57 -04:00 committed by Simon Ser
parent 44e8451cd9
commit f5df956c18
3 changed files with 40 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/render/gles2.h
View File

@ -43,6 +43,8 @@ struct wlr_gles2_renderer {
bool KHR_debug;
bool OES_egl_image_external;
bool OES_egl_image;
bool EXT_texture_type_2_10_10_10_REV;
bool OES_texture_half_float_linear;
} exts;
struct {

33
render/gles2/pixel_format.c
View File

@ -69,7 +69,30 @@ static const struct wlr_gles2_pixel_format formats[] = {
.gl_type = GL_UNSIGNED_SHORT_5_6_5,
.has_alpha = false,
},
// TODO: EXT_texture_type_2_10_10_10_REV support
{
.drm_format = DRM_FORMAT_XBGR2101010,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_INT_2_10_10_10_REV_EXT,
.has_alpha = false,
},
{
.drm_format = DRM_FORMAT_ABGR2101010,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_INT_2_10_10_10_REV_EXT,
.has_alpha = true,
},
{
.drm_format = DRM_FORMAT_XBGR16161616F,
.gl_format = GL_RGBA,
.gl_type = GL_HALF_FLOAT_OES,
.has_alpha = false,
},
{
.drm_format = DRM_FORMAT_ABGR16161616F,
.gl_format = GL_RGBA,
.gl_type = GL_HALF_FLOAT_OES,
.has_alpha = true,
},
#endif
};
@ -77,6 +100,14 @@ static const struct wlr_gles2_pixel_format formats[] = {
bool is_gles2_pixel_format_supported(const struct wlr_gles2_renderer *renderer,
const struct wlr_gles2_pixel_format *format) {
if (format->gl_type == GL_UNSIGNED_INT_2_10_10_10_REV_EXT
&& !renderer->exts.EXT_texture_type_2_10_10_10_REV) {
return false;
}
if (format->gl_type == GL_HALF_FLOAT_OES
&& !renderer->exts.OES_texture_half_float_linear) {
return false;
}
if (format->gl_format == GL_BGRA_EXT
&& !renderer->exts.EXT_read_format_bgra) {
return false;

6
render/gles2/renderer.c
View File

@ -749,6 +749,12 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
renderer->exts.EXT_read_format_bgra =
check_gl_ext(exts_str, "GL_EXT_read_format_bgra");
renderer->exts.EXT_texture_type_2_10_10_10_REV =
check_gl_ext(exts_str, "GL_EXT_texture_type_2_10_10_10_REV");
renderer->exts.OES_texture_half_float_linear =
check_gl_ext(exts_str, "GL_OES_texture_half_float_linear");
if (check_gl_ext(exts_str, "GL_KHR_debug")) {
renderer->exts.KHR_debug = true;
load_gl_proc(&renderer->procs.glDebugMessageCallbackKHR,