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-rw-r--r--src/mesa/program/prog_parameter.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mesa/program/prog_parameter.c b/src/mesa/program/prog_parameter.c
index ddbfe95c152..fa5deaf127d 100644
--- a/src/mesa/program/prog_parameter.c
+++ b/src/mesa/program/prog_parameter.c
@@ -344,18 +344,19 @@ _mesa_use_uniform(struct gl_program_parameter_list *paramList,
*/
GLint
_mesa_add_sampler(struct gl_program_parameter_list *paramList,
- const char *name, GLenum datatype)
+ const char *name, GLenum datatype, int array_length)
{
GLint i = _mesa_lookup_parameter_index(paramList, -1, name);
if (i >= 0 && paramList->Parameters[i].Type == PROGRAM_SAMPLER) {
- ASSERT(paramList->Parameters[i].Size == 1);
+ ASSERT(paramList->Parameters[i].Size == 4 * array_length);
ASSERT(paramList->Parameters[i].DataType == datatype);
/* already in list */
return (GLint) paramList->ParameterValues[i][0];
}
else {
GLuint i;
- const GLint size = 1; /* a sampler is basically a texture unit number */
+ /* One integer texture unit number goes in each parameter location. */
+ const GLint size = 4 * array_length;
GLfloat value[4];
GLint numSamplers = 0;
for (i = 0; i < paramList->NumParameters; i++) {