r300: Only support size 4 ELTs; this is what Mesa provides.

diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c
index 3dd53c6..1e3cc4d 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_render.c
+++ b/src/mesa/drivers/dri/r300/r300_render.c
@@ -171,16 +171,13 @@ static int r300NumVerts(r300ContextPtr rmesa, int num_verts, int prim)
        return num_verts - verts_off;
 }
 
-static void r300EmitElts(GLcontext * ctx, void *elts, unsigned long n_elts,
-                        int elt_size)
+static void r300EmitElts(GLcontext * ctx, void *elts, unsigned long n_elts)
 {
        r300ContextPtr rmesa = R300_CONTEXT(ctx);
        struct r300_dma_region *rvb = &rmesa->state.elt_dma;
        void *out;
 
-       assert(elt_size == 2 || elt_size == 4);
-
-       if (r300IsGartMemory(rmesa, elts, n_elts * elt_size)) {
+       if (r300IsGartMemory(rmesa, elts, n_elts * 4)) {
                rvb->address = rmesa->radeon.radeonScreen->gartTextures.map;
                rvb->start = ((char *)elts) - rvb->address;
                rvb->aos_offset =
@@ -192,43 +189,27 @@ static void r300EmitElts(GLcontext * ctx, void *elts, unsigned long n_elts,
                _mesa_exit(-1);
        }
 
-       r300AllocDmaRegion(rmesa, rvb, n_elts * elt_size, elt_size);
+       r300AllocDmaRegion(rmesa, rvb, n_elts * 4, 4);
        rvb->aos_offset = GET_START(rvb);
 
        out = rvb->address + rvb->start;
-       memcpy(out, elts, n_elts * elt_size);
+       memcpy(out, elts, n_elts * 4);
 }
 
 static void r300FireEB(r300ContextPtr rmesa, unsigned long addr,
-                      int vertex_count, int type, int elt_size)
+                      int vertex_count, int type)
 {
        int cmd_reserved = 0;
        int cmd_written = 0;
        drm_radeon_cmd_header_t *cmd = NULL;
 
-       assert(elt_size == 2 || elt_size == 4);
-
-       if (addr & (elt_size - 1)) {
-               WARN_ONCE("Badly aligned buffer\n");
-               return;
-       }
-
        start_packet3(CP_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0), 0);
-       if (elt_size == 4) {
-               e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count << 16) | type | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
-       } else {
-               e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count << 16) | type);
-       }
+       e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count << 16) | type | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
 
        start_packet3(CP_PACKET3(R300_PACKET3_INDX_BUFFER, 2), 2);
        e32(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
        e32(addr);
-
-       if (elt_size == 4) {
-               e32(vertex_count);
-       } else {
-               e32((vertex_count + 1) / 2);
-       }
+       e32(vertex_count);
 }
 
 static void r300EmitAOS(r300ContextPtr rmesa, GLuint nr, GLuint offset)
@@ -293,9 +274,8 @@ static void r300RunRenderPrimitive(r300ContextPtr rmesa, GLcontext * ctx,
                        WARN_ONCE("Too many elts\n");
                        return;
                }
-               r300EmitElts(ctx, vb->Elts, num_verts, 4);
-               r300FireEB(rmesa, rmesa->state.elt_dma.aos_offset,
-                          num_verts, type, 4);
+               r300EmitElts(ctx, vb->Elts, num_verts);
+               r300FireEB(rmesa, rmesa->state.elt_dma.aos_offset, num_verts, type);
        } else {
                r300EmitAOS(rmesa, rmesa->state.aos_count, start);
                r300FireAOS(rmesa, num_verts, type);