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authorMichel Dänzer <[email protected]>2006-09-28 14:08:38 +0000
committerMichel Dänzer <[email protected]>2006-09-28 14:08:38 +0000
commit638ece315f4ee7be7f0fe0a0acd2550b4ccb8a7d (patch)
tree67eb42867b84c00b3e9276ed52675919f9f85300 /src/mesa/drivers/dri/common/utils.h
parent941c8667394a3ea5b4793d988796e0f397390626 (diff)
Add helper function to calculate the area of the intersection of two rectangles.
Diffstat (limited to 'src/mesa/drivers/dri/common/utils.h')
-rw-r--r--src/mesa/drivers/dri/common/utils.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/utils.h b/src/mesa/drivers/dri/common/utils.h
index 26d178f7478..b2bab86e66c 100644
--- a/src/mesa/drivers/dri/common/utils.h
+++ b/src/mesa/drivers/dri/common/utils.h
@@ -106,6 +106,8 @@ extern GLboolean driCheckDriDdxDrmVersions3(const char * driver_name,
const __DRIversion * ddxActual, const __DRIutilversion2 * ddxExpected,
const __DRIversion * drmActual, const __DRIversion * drmExpected);
+extern GLint driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 );
+
extern GLboolean driClipRectToFramebuffer( const GLframebuffer *buffer,
GLint *x, GLint *y,
GLsizei *width, GLsizei *height );