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path: root/src/gallium/drivers/i915/i915_context.c
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Diffstat (limited to 'src/gallium/drivers/i915/i915_context.c')
-rw-r--r--src/gallium/drivers/i915/i915_context.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/drivers/i915/i915_context.c b/src/gallium/drivers/i915/i915_context.c
index 707b2e9f95..f970f8a700 100644
--- a/src/gallium/drivers/i915/i915_context.c
+++ b/src/gallium/drivers/i915/i915_context.c
@@ -73,10 +73,13 @@ i915_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
draw_set_mapped_index_buffer(draw, mapped_indices);
if (cbuf_dirty) {
- draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
- i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data,
- (i915->current.num_user_constants[PIPE_SHADER_VERTEX] *
+ if (i915->constants[PIPE_SHADER_VERTEX])
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0,
+ i915_buffer(i915->constants[PIPE_SHADER_VERTEX])->data,
+ (i915->current.num_user_constants[PIPE_SHADER_VERTEX] *
4 * sizeof(float)));
+ else
+ draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, NULL, 0);
}
/*