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render/gles: add support for some 16-bpc unsigned shm formats

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These formats require EXT_texture_norm16, which in turn needs OpenGL
ES 3.1. The EXT_texture_norm16 extension does not support passing
gl_internalformat = GL_RGBA to glTexImage2D, as can be done for
formats available in OpenGL ES 2.0, so this commit adds a field to
wlr_gles2_pixel_format to provide a more specific internalformat
parameter to glTexImage2D.
This commit is contained in:
Manuel Stoeckl 2022-04-30 22:43:49 -04:00 • committed by Simon Ser
parent cb012c5cb5
commit 7ad67e0f1d
5 changed files with 42 additions and 1 deletions
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3
include/render/gles2.h
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@ -17,6 +17,8 @@
struct wlr_gles2_pixel_format {
uint32_t drm_format;
// optional field, if empty then internalformat = format
GLint gl_internalformat;
GLint gl_format, gl_type;
bool has_alpha;
};
@ -45,6 +47,7 @@ struct wlr_gles2_renderer {
bool OES_egl_image;
bool EXT_texture_type_2_10_10_10_REV;
bool OES_texture_half_float_linear;
bool EXT_texture_norm16;
} exts;
struct {