X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Fdraw%2Fdraw_pipe_vbuf.c;h=ee2b8116032ad1c498a57ac77a1ac645b0d408d8;hb=e4c54d404959aa1bce26caa313c0a47e65ff211a;hp=a5d840b96ea84562799aacdb69ebe25a06d0ec43;hpb=b9196c1fa39dd566c5d7ab340e353b77714edb5f;p=mesa.git

diff --git a/src/gallium/auxiliary/draw/draw_pipe_vbuf.c b/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
index a5d840b96ea..ee2b8116032 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
@@ -138,7 +138,7 @@ emit_vertex( struct vbuf_stage *vbuf,
       /* Note: we really do want data[0] here, not data[pos]: 
        */
       vbuf->translate->set_buffer(vbuf->translate, 0, vertex->data[0], 0);
-      vbuf->translate->run(vbuf->translate, 0, 1, vbuf->vertex_ptr);
+      vbuf->translate->run(vbuf->translate, 0, 1, 0, vbuf->vertex_ptr);
 
       if (0) draw_dump_emitted_vertex(vbuf->vinfo, (uint8_t *)vbuf->vertex_ptr);
       
@@ -159,8 +159,19 @@ vbuf_tri( struct draw_stage *stage,
 
    check_space( vbuf, 3 );
 
-   for (i = 0; i < 3; i++) {
-      vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] );
+   if (vbuf->stage.draw->rasterizer->flatshade_first) {
+      /* Put provoking vertex in position expected by the driver.
+       * Emit last provoking vertex in first pos.
+       * Swap verts 0 & 1 to preserve polygon winding.
+       */
+      vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[2] );
+      vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[0] );
+      vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[1] );
+   }
+   else {
+      for (i = 0; i < 3; i++) {
+         vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] );
+      }
    }
 }
 
@@ -224,46 +235,25 @@ vbuf_start_prim( struct vbuf_stage *vbuf, uint prim )
    for (i = 0; i < vbuf->vinfo->num_attribs; i++) {
       unsigned emit_sz = 0;
       unsigned src_buffer = 0;
-      unsigned output_format;
+      enum pipe_format output_format;
       unsigned src_offset = (vbuf->vinfo->attrib[i].src_index * 4 * sizeof(float) );
 
-      switch (vbuf->vinfo->attrib[i].emit) {
-      case EMIT_4F:
-	 output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-	 emit_sz = 4 * sizeof(float);
-	 break;
-      case EMIT_3F:
-	 output_format = PIPE_FORMAT_R32G32B32_FLOAT;
-	 emit_sz = 3 * sizeof(float);
-	 break;
-      case EMIT_2F:
-	 output_format = PIPE_FORMAT_R32G32_FLOAT;
-	 emit_sz = 2 * sizeof(float);
-	 break;
-      case EMIT_1F:
-	 output_format = PIPE_FORMAT_R32_FLOAT;
-	 emit_sz = 1 * sizeof(float);
-	 break;
-      case EMIT_1F_PSIZE:
-	 output_format = PIPE_FORMAT_R32_FLOAT;
-	 emit_sz = 1 * sizeof(float);
+      output_format = draw_translate_vinfo_format(vbuf->vinfo->attrib[i].emit);
+      emit_sz = draw_translate_vinfo_size(vbuf->vinfo->attrib[i].emit);
+
+      /* doesn't handle EMIT_OMIT */
+      assert(emit_sz != 0);
+
+      if (vbuf->vinfo->attrib[i].emit == EMIT_1F_PSIZE) {
 	 src_buffer = 1;
 	 src_offset = 0;
-	 break;
-      case EMIT_4UB:
-	 output_format = PIPE_FORMAT_B8G8R8A8_UNORM;
-	 emit_sz = 4 * sizeof(ubyte);
-         break;
-      default:
-	 assert(0);
-	 output_format = PIPE_FORMAT_NONE;
-	 emit_sz = 0;
-	 break;
       }
-      
+
+      hw_key.element[i].type = TRANSLATE_ELEMENT_NORMAL;
       hw_key.element[i].input_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
       hw_key.element[i].input_buffer = src_buffer;
       hw_key.element[i].input_offset = src_offset;
+      hw_key.element[i].instance_divisor = 0;
       hw_key.element[i].output_format = output_format;
       hw_key.element[i].output_offset = dst_offset;