From: Jordan Justen <jordan.l.jus...@intel.com>
Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
---
src/mesa/main/fbobject.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index b2b6ec5..d63ac0b 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -523,6 +523,50 @@ _mesa_is_legal_color_format(const struct gl_context *ctx,
GLenum baseFormat)
/**
+ * Is the given base format a legal format for a color renderbuffer?
+ */
+static GLboolean
+is_format_color_renderable(const struct gl_context *ctx, gl_format format,
GLenum internalFormat)
+{
+ const GLenum baseFormat =
+ _mesa_get_format_base_format(format);
+ GLboolean valid;
+
+ valid = _mesa_is_legal_color_format(ctx, baseFormat);
+ if (!valid || _mesa_is_desktop_gl(ctx)) {
+ return valid;
+ }
+
+ /* Reject additional cases for GLES */
+ switch (internalFormat) {
+ case GL_RGBA8_SNORM:
+ case GL_RGB32F:
+ case GL_RGB32I:
+ case GL_RGB32UI:
+ case GL_RGB16F:
+ case GL_RGB16I:
+ case GL_RGB16UI:
+ case GL_RGB8_SNORM:
+ case GL_RGB8I:
+ case GL_RGB8UI:
+ case GL_SRGB8:
+ case GL_RGB9_E5:
+ case GL_RG8_SNORM:
+ case GL_R8_SNORM:
+ return GL_FALSE;
+ default:
+ break;
+ }
+
+ if (format == MESA_FORMAT_ARGB2101010 && internalFormat != GL_RGB10_A2) {
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
* Is the given base format a legal format for a depth/stencil renderbuffer?
*/
static GLboolean
@@ -770,7 +814,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
f = texImg->_BaseFormat;
attFormat = texImg->TexFormat;
numImages++;
- if (!_mesa_is_legal_color_format(ctx, f) &&
+ if (!is_format_color_renderable(ctx, attFormat,
texImg->InternalFormat) &&
!is_legal_depth_format(ctx, f)) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
fbo_incomplete("texture attachment incomplete", -1);
--
1.7.12.4
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