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authorMarek Olšák <marek.olsak@amd.com>2014-08-02 22:32:25 +0200
committerMarek Olšák <marek.olsak@amd.com>2014-08-11 21:53:57 +0200
commit3d56732c1fa1e021341fff33404e1c6bc41ec991 (patch)
tree61d52384f9ae1c5755b4e90e7b2386c128a41d95 /src
parent463b0ea1f6762b7e0536cfadc4e384840af3e8e0 (diff)
st/mesa: advertise ARB_ES3_compatibility if GLSL 3.30 and ETC2 are supported
Diffstat (limited to 'src')
-rw-r--r--src/mesa/state_tracker/st_extensions.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 7ac484056de..3974adb49a4 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -826,4 +826,32 @@ void st_init_extensions(struct st_context *st)
}
if (ctx->Const.MaxProgramTextureGatherComponents > 0)
ctx->Extensions.ARB_texture_gather = GL_TRUE;
+
+ /* GL_ARB_ES3_compatibility.
+ *
+ * Assume that ES3 is supported if GLSL 3.30 is supported.
+ * (OpenGL 3.3 is a requirement for that extension.)
+ */
+ if (ctx->Const.GLSLVersion >= 330 &&
+ /* Requirements for ETC2 emulation. */
+ screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R16_SNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R16G16_SNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ ctx->Extensions.ARB_ES3_compatibility = GL_TRUE;
+ }
}