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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_tex_layout.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_tex_layout.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_tex_layout.c b/src/mesa/drivers/dri/intel/intel_tex_layout.c
index 2c1b722b7f5..7d69ea4484a 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_layout.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_layout.c
@@ -35,28 +35,39 @@
#include "intel_context.h"
#include "main/macros.h"
-GLuint intel_compressed_alignment(GLenum internalFormat)
+void intel_get_texture_alignment_unit(GLenum internalFormat, GLuint *w, GLuint *h)
{
- GLuint alignment = 4;
-
switch (internalFormat) {
case GL_COMPRESSED_RGB_FXT1_3DFX:
case GL_COMPRESSED_RGBA_FXT1_3DFX:
- alignment = 8;
+ *w = 8;
+ *h = 4;
+ break;
+
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ *w = 4;
+ *h = 4;
break;
default:
+ *w = 4;
+ *h = 2;
break;
}
-
- return alignment;
}
void i945_miptree_layout_2d( struct intel_context *intel,
struct intel_mipmap_tree *mt,
uint32_t tiling )
{
- GLint align_h = 2, align_w = 4;
+ GLuint align_h = 2, align_w = 4;
GLuint level;
GLuint x = 0;
GLuint y = 0;
@@ -64,9 +75,9 @@ void i945_miptree_layout_2d( struct intel_context *intel,
GLuint height = mt->height0;
mt->pitch = mt->width0;
+ intel_get_texture_alignment_unit(mt->internal_format, &align_w, &align_h);
if (mt->compressed) {
- align_w = intel_compressed_alignment(mt->internal_format);
mt->pitch = ALIGN(mt->width0, align_w);
}