>From OpenGL 4.0 spec, page 398:
"The initial internal format of a texel array is RGBA
instead of 1. TEXTURE_COMPONENTS is deprecated; always
use TEXTURE_INTERNAL_FORMAT."
Fixes Khronos OpenGL CTS test failure: proxy_textures_invalid_size
Cc: <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
---
src/mesa/main/texparam.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index bbdbc27..e867dbf 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -1038,9 +1038,16 @@ get_tex_level_parameter_image(struct gl_context *ctx,
img = _mesa_select_tex_image(ctx, texObj, target, level);
if (!img || img->TexFormat == MESA_FORMAT_NONE) {
- /* undefined texture image */
- if (pname == GL_TEXTURE_COMPONENTS)
- *params = 1;
+ /* In case of undefined texture image return the default values.
+ *
+ * From OpenGL 4.0 spec, page 398:
+ * "The initial internal format of a texel array is RGBA
+ * instead of 1. TEXTURE_COMPONENTS is deprecated; always
+ * use TEXTURE_INTERNAL_FORMAT."
+ */
+
+ if (pname == GL_TEXTURE_INTERNAL_FORMAT)
+ *params = GL_RGBA;
else
*params = 0;
return;
--
1.8.3.1
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