summaryrefslogtreecommitdiff
path: root/src/mesa/swrast/s_context.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/swrast/s_context.c')
-rw-r--r--src/mesa/swrast/s_context.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 972de03b14..06f0d88abd 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -333,6 +333,14 @@ _swrast_validate_blend_func( GLcontext *ctx, GLuint n,
}
+/**
+ * Called via the swrast->TextureSample[i] function pointer.
+ * Basically, given a texture object, an array of texture coords
+ * and an array of level-of-detail values, return an array of colors.
+ * In this case, determine the correct texture sampling routine
+ * (depending on filter mode, texture dimensions, etc) then call the
+ * sampler routine.
+ */
static void
_swrast_validate_texture_sample( GLcontext *ctx, GLuint texUnit,
const struct gl_texture_object *tObj,
@@ -344,7 +352,7 @@ _swrast_validate_texture_sample( GLcontext *ctx, GLuint texUnit,
_swrast_validate_derived( ctx );
/* Compute min/mag filter threshold */
- if (tObj->MinFilter != tObj->MagFilter) {
+ if (tObj && tObj->MinFilter != tObj->MagFilter) {
if (tObj->MagFilter == GL_LINEAR
&& (tObj->MinFilter == GL_NEAREST_MIPMAP_NEAREST ||
tObj->MinFilter == GL_NEAREST_MIPMAP_LINEAR)) {