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-rw-r--r--src/mesa/drivers/dri/i965/intel_upload.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_upload.c b/src/mesa/drivers/dri/i965/intel_upload.c
index ac16dccd71b..ec3109bd441 100644
--- a/src/mesa/drivers/dri/i965/intel_upload.c
+++ b/src/mesa/drivers/dri/i965/intel_upload.c
@@ -45,6 +45,12 @@
#define INTEL_UPLOAD_SIZE (64*1024)
+/**
+ * Like ALIGN(), but works with a non-power-of-two alignment.
+ */
+#define ALIGN_NPOT(value, alignment) \
+ (((value) + (alignment) - 1) / (alignment) * (alignment))
+
void
intel_upload_finish(struct brw_context *brw)
{
@@ -83,7 +89,7 @@ intel_upload_data(struct brw_context *brw,
{
GLuint base, delta;
- base = (brw->upload.offset + align - 1) / align * align;
+ base = ALIGN_NPOT(brw->upload.offset, align);
if (brw->upload.bo == NULL || base + size > brw->upload.bo->size) {
wrap_buffers(brw, size);
base = 0;
@@ -124,7 +130,7 @@ intel_upload_map(struct brw_context *brw, GLuint size, GLuint align)
GLuint base, delta;
char *ptr;
- base = (brw->upload.offset + align - 1) / align * align;
+ base = ALIGN_NPOT(brw->upload.offset, align);
if (brw->upload.bo == NULL || base + size > brw->upload.bo->size) {
wrap_buffers(brw, size);
base = 0;
@@ -163,7 +169,7 @@ intel_upload_unmap(struct brw_context *brw,
{
GLuint base;
- base = (brw->upload.offset + align - 1) / align * align;
+ base = ALIGN_NPOT(brw->upload.offset, align);
if (size > sizeof(brw->upload.buffer)) {
drm_intel_bo_subdata(brw->upload.bo, base, size, ptr);
free((void*)ptr);