Module: Mesa
Branch: master
Commit: 553e37aa337783d468f218291f6de6a74e49289b
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=553e37aa337783d468f218291f6de6a74e49289b
Author: Ilia Mirkin <imir...@alum.mit.edu>
Date: Tue Mar 29 15:31:05 2016 -0400
mesa: allow mutable buffer textures to back GL ES images
Since there is no way to create immutable texture buffers in GL ES,
mutable buffer textures are allowed to back images. See issue 7 of the
GL_OES_texture_buffer specification.
Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
Reviewed-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/mesa/main/shaderimage.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/shaderimage.c b/src/mesa/main/shaderimage.c
index fd5934f..90643c4 100644
--- a/src/mesa/main/shaderimage.c
+++ b/src/mesa/main/shaderimage.c
@@ -583,8 +583,13 @@ _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint
level,
*
* "An INVALID_OPERATION error is generated if texture is not the name
* of an immutable texture object."
+ *
+ * However note that issue 7 of the GL_OES_texture_buffer spec
+ * recognizes that there is no way to create immutable buffer textures,
+ * so those are excluded from this requirement.
*/
- if (_mesa_is_gles(ctx) && !t->Immutable) {
+ if (_mesa_is_gles(ctx) && !t->Immutable &&
+ t->Target != GL_TEXTURE_BUFFER) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBindImageTexture(!immutable)");
return;
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