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glmemory: properly detect (hopefully) the correct ext_rg/arb_rg variant

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GL_EXT_texture_rg is only valid for GLES2. GLES3 uses similar wording to
the GL_ARB_texture_rg which requires a sized internal format that the
GL_EXT_texture_rg does not require.

https://www.khronos.org/registry/gles/extensions/EXT/EXT_texture_rg.txt
https://www.opengl.org/registry/specs/ARB/texture_rg.txt
This commit is contained in:
Matthew Waters 2015-05-07 12:25:10 +07:00
parent 0871b7b43d
commit ba5130fe01
1 changed files with 2 additions and 2 deletions
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4
gst-libs/gst/gl/gstglmemory.c
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@ -320,7 +320,7 @@ _sized_gl_format_from_gl_format_type (GstGLContext * context, GLenum format,
case GL_RG:
switch (type) {
case GL_UNSIGNED_BYTE:
if (ext_texture_rg)
if (!USING_GLES3 (context) && USING_GLES2 (context) && ext_texture_rg)
return GL_RG;
return GL_RG8;
break;
@ -329,7 +329,7 @@ _sized_gl_format_from_gl_format_type (GstGLContext * context, GLenum format,
case GL_RED:
switch (type) {
case GL_UNSIGNED_BYTE:
if (ext_texture_rg)
if (!USING_GLES3 (context) && USING_GLES2 (context) && ext_texture_rg)
return GL_RED;
return GL_R8;
break;