Merge branch 'master' into pipe-format-simplify

Conflicts:
	src/gallium/auxiliary/draw/draw_pipe_aaline.c
	src/gallium/auxiliary/draw/draw_pipe_pstipple.c
	src/gallium/auxiliary/util/u_blit.c
	src/gallium/auxiliary/util/u_gen_mipmap.c
	src/gallium/auxiliary/util/u_surface.c
	src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
	src/gallium/drivers/cell/ppu/cell_texture.c
	src/gallium/drivers/llvmpipe/lp_texture.c
	src/gallium/drivers/r300/r300_emit.c
	src/gallium/drivers/r300/r300_texture.c
	src/gallium/drivers/softpipe/sp_texture.c
	src/gallium/drivers/softpipe/sp_tile_cache.c
	src/gallium/drivers/svga/svga_state_vs.c
	src/gallium/include/pipe/p_format.h
	src/gallium/state_trackers/dri/dri_drawable.c
	src/gallium/state_trackers/egl/egl_surface.c
	src/gallium/state_trackers/python/p_device.i
	src/gallium/state_trackers/python/st_softpipe_winsys.c
	src/gallium/state_trackers/vega/api_filters.c
	src/gallium/state_trackers/vega/image.c
	src/gallium/state_trackers/vega/mask.c
	src/gallium/state_trackers/vega/paint.c
	src/gallium/state_trackers/vega/renderer.c
	src/gallium/state_trackers/vega/vg_tracker.c
	src/gallium/state_trackers/xorg/xorg_crtc.c
	src/gallium/state_trackers/xorg/xorg_dri2.c
	src/gallium/state_trackers/xorg/xorg_exa.c
	src/gallium/state_trackers/xorg/xorg_renderer.c
	src/gallium/state_trackers/xorg/xorg_xv.c
	src/gallium/state_trackers/xorg/xvmc/surface.c
	src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c
	src/gallium/winsys/drm/radeon/core/radeon_buffer.c
	src/gallium/winsys/egl_xlib/sw_winsys.c
	src/gallium/winsys/g3dvl/xlib/xsp_winsys.c
	src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c
	src/gallium/winsys/gdi/gdi_softpipe_winsys.c
	src/gallium/winsys/xlib/xlib_cell.c
	src/gallium/winsys/xlib/xlib_llvmpipe.c
	src/gallium/winsys/xlib/xlib_softpipe.c
	src/mesa/state_tracker/st_cb_fbo.c
	src/mesa/state_tracker/st_cb_texture.c
	src/mesa/state_tracker/st_texture.c

1 files changed, 28 insertions, 3 deletions

diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index 4c5fb405c6..4b210f72db 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -70,14 +70,21 @@ uint32_t r300_translate_primitive(unsigned prim)
     }
 }
 
+static boolean r300_nothing_to_draw(struct r300_context *r300)
+{
+    return r300->rs_state->rs.scissor &&
+           r300->scissor_state->scissor.empty_area;
+}
+
 static void r300_emit_draw_arrays(struct r300_context *r300,
                                   unsigned mode,
                                   unsigned count)
 {
     CS_LOCALS(r300);
 
-    BEGIN_CS(4);
-    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count);
+    BEGIN_CS(6);
+    OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0);
+    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1);
     OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
     OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
            r300_translate_primitive(mode));
@@ -102,7 +109,8 @@ static void r300_emit_draw_elements(struct r300_context *r300,
     assert((start * indexSize)  % 4 == 0);
     assert(offset_dwords == 0);
 
-    BEGIN_CS(10);
+    BEGIN_CS(12);
+    OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, minIndex);
     OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex);
     OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
     if (indexSize == 4) {
@@ -173,10 +181,15 @@ boolean r300_draw_range_elements(struct pipe_context* pipe,
         return FALSE;
     }
 
+
     if (count > 65535) {
         return FALSE;
     }
 
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
     r300_update_derived_state(r300);
 
     if (!r300_setup_vertex_buffers(r300)) {
@@ -218,6 +231,10 @@ boolean r300_draw_arrays(struct pipe_context* pipe, unsigned mode,
         return FALSE;
     }
 
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
     r300_update_derived_state(r300);
 
     if (!r300_setup_vertex_buffers(r300)) {
@@ -251,6 +268,10 @@ boolean r300_swtcl_draw_arrays(struct pipe_context* pipe,
         return FALSE;
     }
 
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
     for (i = 0; i < r300->vertex_buffer_count; i++) {
         void* buf = pipe_buffer_map(pipe->screen,
                                     r300->vertex_buffer[i].buffer,
@@ -292,6 +313,10 @@ boolean r300_swtcl_draw_range_elements(struct pipe_context* pipe,
         return FALSE;
     }
 
+    if (r300_nothing_to_draw(r300)) {
+        return TRUE;
+    }
+
     for (i = 0; i < r300->vertex_buffer_count; i++) {
         void* buf = pipe_buffer_map(pipe->screen,
                                     r300->vertex_buffer[i].buffer,