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Auto-enable some extensions if GLES3.

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This commit is contained in:
Themaister 2014-06-05 15:17:29 +02:00
parent e41eb4ab50
commit 2094e8fb2f
1 changed files with 15 additions and 3 deletions
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18
gfx/gl.c
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@ -1858,14 +1858,26 @@ static bool resolve_extensions(gl_t *gl)
"32-bit path will require conversion.\n");
}
gl->support_unpack_row_length = false;
if (gl_query_extension(gl, "GL_EXT_unpack_subimage"))
bool gles3 = false;
const char *version = (const char*)glGetString(GL_VERSION);
unsigned gles_major = 0, gles_minor = 0;
// This format is mandated by GLES.
if (version && sscanf(version, "OpenGL ES %u.%u", &gles_major, &gles_minor) == 2 && gles_major >= 3)
{
RARCH_LOG("[GL]: GLES3 or newer detected. Auto-enabling some extensions.\n");
gles3 = true;
}
// GLES3 has unpack_subimage and sRGB in core.
gl->support_unpack_row_length = gles3;
if (!gles3 && gl_query_extension(gl, "GL_EXT_unpack_subimage"))
{
RARCH_LOG("[GL]: Extension GL_EXT_unpack_subimage, can copy textures faster using UNPACK_ROW_LENGTH.\n");
gl->support_unpack_row_length = true;
}
// No extensions for float FBO currently.
gl->has_srgb_fbo = gl_query_extension(gl, "EXT_sRGB");
gl->has_srgb_fbo = gles3 || gl_query_extension(gl, "EXT_sRGB");
#else
#ifdef HAVE_FBO
// Float FBO is core in 3.2.