#include "tnl/tnl.h"
#include "vbo/vbo_context.h"
-
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
for (i = 0; i < VERT_ATTRIB_MAX; i++) {
brw->vb.inputs[i].glarray = arrays[i];
- if (arrays[i]->StrideB != 0)
- brw->vb.info.varying |= 1 << i;
+ /* XXX: metaops passes null arrays */
+ if (arrays[i]) {
+ if (arrays[i]->StrideB != 0)
+ brw->vb.info.varying |= 1 << i;
- brw->vb.info.sizes[i/16] |= (inputs[i].glarray->Size - 1) << ((i%16) * 2);
+ brw->vb.info.sizes[i/16] |= (inputs[i].glarray->Size - 1) << ((i%16) * 2);
+ }
}
/* Raise statechanges if input sizes and varying have changed:
brw->state.dirty.brw |= BRW_NEW_INPUT_VARYING;
}
-
+/* XXX: could split the primitive list to fallback only on the
+ * non-conformant primitives.
+ */
static GLboolean check_fallbacks( struct brw_context *brw,
const struct _mesa_prim *prim,
GLuint nr_prims )
return GL_FALSE;
}
-
+/* May fail if out of video memory for texture or vbo upload, or on
+ * fallback conditions.
+ */
static GLboolean brw_try_draw_prims( GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
return retval;
}
+static GLboolean brw_need_rebase( GLcontext *ctx,
+ const struct gl_client_array *arrays[],
+ const struct _mesa_index_buffer *ib,
+ GLuint min_index )
+{
+ if (min_index == 0)
+ return GL_FALSE;
+
+ if (ib) {
+ if (!vbo_all_varyings_in_vbos(arrays))
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+ }
+ else {
+ /* Hmm. This isn't quite what I wanted. BRW can actually
+ * handle the mixed case well enough that we shouldn't need to
+ * rebase. However, it's probably not very common, nor hugely
+ * expensive to do it this way:
+ */
+ if (!vbo_all_varyings_in_vbos(arrays))
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+ }
+}
+
void brw_draw_prims( GLcontext *ctx,
const struct gl_client_array *arrays[],
struct intel_context *intel = intel_context(ctx);
GLboolean retval;
+ /* Decide if we want to rebase. If so we end up recursing once
+ * only into this function.
+ */
+ if (brw_need_rebase( ctx, arrays, ib, min_index )) {
+ vbo_rebase_prims( ctx, arrays,
+ prim, nr_prims,
+ ib, min_index, max_index,
+ brw_draw_prims );
+
+ return;
+ }
+
+
+ /* Make a first attempt at drawing:
+ */
retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
* swrast to do the drawing.
*/
if (!retval) {
+ _swsetup_Wakeup(ctx);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
for (i = 0; i < BRW_NR_UPLOAD_BUFS; i++) {
brw->vb.upload.vbo[i] = ctx->Driver.NewBufferObject(ctx, 1, GL_ARRAY_BUFFER_ARB);
- /* XXX: Set these to no-backing-store
+ /* NOTE: These are set to no-backing-store.
*/
bmBufferSetInvalidateCB(&brw->intel,
intel_bufferobj_buffer(intel_buffer_object(brw->vb.upload.vbo[i])),
brw_invalidate_vbo_cb,
&brw->intel,
GL_TRUE);
-
}
ctx->Driver.BufferData( ctx,