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mesa: Validate original image internal format rather than derived mesa format.

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This matches what _mesa_BindImageTextures() does.  The derived image format
(gl_texture_image::TexFormat) isn't necessarily equivalent to the internal
format of the texture image.  If a forbidden internal format has been
specified we need to mark the image unit as invalid as required by the spec,
regardless of the derived format.  Fixes the "invalid"
ARB_shader_image_load_store piglit test.

Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Francisco Jerez 2015-01-20 16:12:18 +02:00
parent 4e4855f1de
commit cad0cf4cee
1 changed files with 3 additions and 3 deletions
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6
src/mesa/main/shaderimage.c
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@ -353,7 +353,7 @@ validate_image_unit(struct gl_context *ctx, struct gl_image_unit *u)
return GL_FALSE;
if (t->Target == GL_TEXTURE_BUFFER) {
tex_format = t->_BufferObjectFormat;
tex_format = _mesa_get_shader_image_format(t->BufferObjectFormat);
} else {
struct gl_texture_image *img = (t->Target == GL_TEXTURE_CUBE_MAP ?
@ -363,10 +363,10 @@ validate_image_unit(struct gl_context *ctx, struct gl_image_unit *u)
if (!img || img->Border || img->NumSamples > ctx->Const.MaxImageSamples)
return GL_FALSE;
tex_format = img->TexFormat;
tex_format = _mesa_get_shader_image_format(img->InternalFormat);
}
if (get_image_format_class(tex_format) == IMAGE_FORMAT_CLASS_NONE)
if (!tex_format)
return GL_FALSE;
switch (t->ImageFormatCompatibilityType) {