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render/gles2: add support for some 24 and 16-bit formats

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On little-endian, we can enable pixel formats which don't use
gl_type = GL_UNSIGNED_BYTE. See [1].

[1]: https://afrantzis.com/pixel-format-guide/
This commit is contained in:
Simon Ser 2021-07-29 08:05:43 +02:00 committed by Simon Zeni
parent 6973361d60
commit f76960388f
1 changed files with 39 additions and 0 deletions
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39
render/gles2/pixel_format.c
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@ -32,6 +32,45 @@ static const struct wlr_gles2_pixel_format formats[] = {
.gl_type = GL_UNSIGNED_BYTE,
.has_alpha = true,
},
{
.drm_format = DRM_FORMAT_BGR888,
.gl_format = GL_RGB,
.gl_type = GL_UNSIGNED_BYTE,
.has_alpha = false,
},
#if WLR_LITTLE_ENDIAN
{
.drm_format = DRM_FORMAT_RGBX4444,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_SHORT_4_4_4_4,
.has_alpha = false,
},
{
.drm_format = DRM_FORMAT_RGBA4444,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_SHORT_4_4_4_4,
.has_alpha = true,
},
{
.drm_format = DRM_FORMAT_RGBX5551,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_SHORT_5_5_5_1,
.has_alpha = false,
},
{
.drm_format = DRM_FORMAT_RGBA5551,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_SHORT_5_5_5_1,
.has_alpha = true,
},
{
.drm_format = DRM_FORMAT_RGB565,
.gl_format = GL_RGB,
.gl_type = GL_UNSIGNED_SHORT_5_6_5,
.has_alpha = false,
},
// TODO: EXT_texture_type_2_10_10_10_REV support
#endif
};
// TODO: more pixel formats