We weren't handling the LUMINANCE_SNORM, LUMINANCE_ALPHA_SNORM and INTENSITY_SNORM cases. Note that adding these cases here does not require a driver to support rendering to these surface types. If the driver can't do it we'll report an incomplete framebuffer.
NVIDIA doesn't support GL_EXT_texture_snorm but their driver accepts these formats in glRenderBufferStorage(). --- src/mesa/main/fbobject.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index 2892784..d846808 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -1504,6 +1504,22 @@ _mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat) return ctx->API == API_OPENGL_COMPAT && ctx->Extensions.EXT_texture_snorm && ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0; + case GL_LUMINANCE_SNORM: + case GL_LUMINANCE8_SNORM: + case GL_LUMINANCE16_SNORM: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm + ? GL_LUMINANCE : 0; + case GL_LUMINANCE_ALPHA_SNORM: + case GL_LUMINANCE8_ALPHA8_SNORM: + case GL_LUMINANCE16_ALPHA16_SNORM: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm + ? GL_LUMINANCE_ALPHA : 0; + case GL_INTENSITY_SNORM: + case GL_INTENSITY8_SNORM: + case GL_INTENSITY16_SNORM: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm + ? GL_INTENSITY : 0; + case GL_R16F: case GL_R32F: return ((_mesa_is_desktop_gl(ctx) && -- 1.7.10.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev