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authormarha <marha@users.sourceforge.net>2011-06-14 08:12:46 +0200
committermarha <marha@users.sourceforge.net>2011-06-14 08:12:46 +0200
commit4d74e36f359d22b50302c82a922b79ac24dd3e23 (patch)
treefb8a1645c35cdbe7ac484fbd240c0c9993750b7c /mesalib/src/mesa/main/texgetimage.c
parentf4babb3a422e27cd33fba36f7a21eb67b7dee25d (diff)
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libxcb mesa xkeyboard-config git update 14 June 2011
Diffstat (limited to 'mesalib/src/mesa/main/texgetimage.c')
-rw-r--r--mesalib/src/mesa/main/texgetimage.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/mesalib/src/mesa/main/texgetimage.c b/mesalib/src/mesa/main/texgetimage.c
index 97d101225..26c2ff98b 100644
--- a/mesalib/src/mesa/main/texgetimage.c
+++ b/mesalib/src/mesa/main/texgetimage.c
@@ -233,6 +233,7 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions,
const GLint width = texImage->Width;
const GLint height = texImage->Height;
const GLint depth = texImage->Depth;
+ const GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat);
/* Normally, no pixel transfer ops are performed during glGetTexImage.
* The only possible exception is component clamping to [0,1].
*/
@@ -248,6 +249,19 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions,
return;
}
+ /* Clamping does not apply to GetTexImage (final conversion)?
+ * Looks like we need clamp though when going from format
+ * containing negative values to unsigned format.
+ */
+ if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) {
+ transferOps |= IMAGE_CLAMP_BIT;
+ }
+ else if (!type_with_negative_values(type) &&
+ (dataType == GL_FLOAT ||
+ dataType == GL_SIGNED_NORMALIZED)) {
+ transferOps |= IMAGE_CLAMP_BIT;
+ }
+
/* glGetTexImage always returns sRGB data for sRGB textures. Make sure the
* fetch functions return sRGB data without linearizing it.
*/
@@ -262,20 +276,6 @@ get_tex_rgba(struct gl_context *ctx, GLuint dimensions,
width, height, format, type,
img, row, 0);
GLint col;
- GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat);
-
- /* clamp does not apply to GetTexImage (final conversion)?
- * Looks like we need clamp though when going from format
- * containing negative values to unsigned format.
- */
- if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) {
- transferOps |= IMAGE_CLAMP_BIT;
- }
- else if (!type_with_negative_values(type) &&
- (dataType == GL_FLOAT ||
- dataType == GL_SIGNED_NORMALIZED)) {
- transferOps |= IMAGE_CLAMP_BIT;
- }
for (col = 0; col < width; col++) {
texImage->FetchTexelf(texImage, col, row, img, rgba[col]);