Merge branch 'mesa_7_7_branch'

Conflicts:
	src/gallium/auxiliary/draw/draw_context.c
	src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
	src/gallium/auxiliary/pipebuffer/Makefile
	src/gallium/auxiliary/pipebuffer/SConscript
	src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
	src/gallium/auxiliary/tgsi/tgsi_scan.c
	src/gallium/drivers/i915/i915_surface.c
	src/gallium/drivers/i915/i915_texture.c
	src/gallium/drivers/llvmpipe/lp_setup.c
	src/gallium/drivers/llvmpipe/lp_tex_sample_c.c
	src/gallium/drivers/llvmpipe/lp_texture.c
	src/gallium/drivers/softpipe/sp_prim_vbuf.c
	src/gallium/state_trackers/xorg/xorg_dri2.c
	src/gallium/winsys/drm/intel/gem/intel_drm_api.c
	src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c
	src/gallium/winsys/drm/radeon/core/radeon_drm.c
	src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c
	src/mesa/state_tracker/st_cb_clear.c

11 files changed, 19 insertions, 16 deletions

diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 8e01793940..73e075f0d8 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -43,7 +43,6 @@
 #include "sp_surface.h"
 #include "sp_tile_cache.h"
 #include "sp_tex_tile_cache.h"
-#include "sp_texture.h"
 #include "sp_winsys.h"
 #include "sp_query.h"
 
diff --git a/src/gallium/drivers/softpipe/sp_flush.c b/src/gallium/drivers/softpipe/sp_flush.c
index 75dac810a1..e8952bf4fb 100644
--- a/src/gallium/drivers/softpipe/sp_flush.c
+++ b/src/gallium/drivers/softpipe/sp_flush.c
@@ -34,11 +34,9 @@
 #include "draw/draw_context.h"
 #include "sp_flush.h"
 #include "sp_context.h"
-#include "sp_surface.h"
 #include "sp_state.h"
 #include "sp_tile_cache.h"
 #include "sp_tex_tile_cache.h"
-#include "sp_winsys.h"
 
 
 void
diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
index 5812d1eefe..98c08eaffa 100644
--- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c
+++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
@@ -526,7 +526,8 @@ static void
 sp_vbuf_destroy(struct vbuf_render *vbr)
 {
    struct softpipe_vbuf_render *cvbr = softpipe_vbuf_render(vbr);
-   align_free(cvbr->vertex_buffer);
+   if(cvbr->vertex_buffer)
+      align_free(cvbr->vertex_buffer);
    sp_setup_destroy_context(cvbr->setup);
    FREE(cvbr);
 }
diff --git a/src/gallium/drivers/softpipe/sp_quad_blend.c b/src/gallium/drivers/softpipe/sp_quad_blend.c
index d9babe81da..3b8c2d5789 100644
--- a/src/gallium/drivers/softpipe/sp_quad_blend.c
+++ b/src/gallium/drivers/softpipe/sp_quad_blend.c
@@ -35,7 +35,6 @@
 #include "util/u_memory.h"
 #include "sp_context.h"
 #include "sp_quad.h"
-#include "sp_surface.h"
 #include "sp_tile_cache.h"
 #include "sp_quad_pipe.h"
 
diff --git a/src/gallium/drivers/softpipe/sp_quad_depth_test.c b/src/gallium/drivers/softpipe/sp_quad_depth_test.c
index 0ca86c4e1c..a981775cbd 100644
--- a/src/gallium/drivers/softpipe/sp_quad_depth_test.c
+++ b/src/gallium/drivers/softpipe/sp_quad_depth_test.c
@@ -30,11 +30,11 @@
  */
 
 #include "pipe/p_defines.h"
+#include "util/u_format.h"
 #include "util/u_memory.h"
 #include "tgsi/tgsi_scan.h"
 #include "sp_context.h"
 #include "sp_quad.h"
-#include "sp_surface.h"
 #include "sp_quad_pipe.h"
 #include "sp_tile_cache.h"
 #include "sp_state.h"           /* for sp_fragment_shader */
@@ -651,6 +651,20 @@ static unsigned mask_count[16] =
 
 
 
+/** helper to get number of Z buffer bits */
+static unsigned
+get_depth_bits(struct quad_stage *qs)
+{
+   struct pipe_surface *zsurf = qs->softpipe->framebuffer.zsbuf;
+   if (zsurf)
+      return util_format_get_component_bits(zsurf->format,
+                                            UTIL_FORMAT_COLORSPACE_ZS, 0);
+   else
+      return 0;
+}
+
+
+
 static void
 depth_test_quads_fallback(struct quad_stage *qs, 
                           struct quad_header *quads[],
@@ -666,7 +680,7 @@ depth_test_quads_fallback(struct quad_stage *qs,
       nr = alpha_test_quads(qs, quads, nr);
    }
 
-   if (qs->softpipe->framebuffer.zsbuf && 
+   if (get_depth_bits(qs) > 0 &&
        (qs->softpipe->depth_stencil->depth.enabled ||
         qs->softpipe->depth_stencil->stencil[0].enabled)) {
 
@@ -884,7 +898,7 @@ choose_depth_test(struct quad_stage *qs,
 
    boolean alpha = qs->softpipe->depth_stencil->alpha.enabled;
 
-   boolean depth = (qs->softpipe->framebuffer.zsbuf && 
+   boolean depth = (get_depth_bits(qs) > 0 &&
                     qs->softpipe->depth_stencil->depth.enabled);
 
    unsigned depthfunc = qs->softpipe->depth_stencil->depth.func;
@@ -895,7 +909,6 @@ choose_depth_test(struct quad_stage *qs,
 
    boolean occlusion = qs->softpipe->active_query_count;
 
-
    if (!alpha &&
        !depth &&
        !stencil) {
diff --git a/src/gallium/drivers/softpipe/sp_quad_fs.c b/src/gallium/drivers/softpipe/sp_quad_fs.c
index 1e7533d0f9..e799df136e 100644
--- a/src/gallium/drivers/softpipe/sp_quad_fs.c
+++ b/src/gallium/drivers/softpipe/sp_quad_fs.c
@@ -45,8 +45,6 @@
 #include "sp_state.h"
 #include "sp_quad.h"
 #include "sp_quad_pipe.h"
-#include "sp_texture.h"
-#include "sp_tex_sample.h"
 
 
 struct quad_shade_stage
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index 3da75364c5..f6c3a2b38b 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -41,7 +41,6 @@
 #include "draw/draw_private.h"
 #include "draw/draw_vertex.h"
 #include "pipe/p_shader_tokens.h"
-#include "pipe/p_thread.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
 
diff --git a/src/gallium/drivers/softpipe/sp_state_surface.c b/src/gallium/drivers/softpipe/sp_state_surface.c
index f6154109ea..3946678219 100644
--- a/src/gallium/drivers/softpipe/sp_state_surface.c
+++ b/src/gallium/drivers/softpipe/sp_state_surface.c
@@ -30,7 +30,6 @@
 
 #include "sp_context.h"
 #include "sp_state.h"
-#include "sp_surface.h"
 #include "sp_tile_cache.h"
 
 #include "draw/draw_context.h"
diff --git a/src/gallium/drivers/softpipe/sp_state_vertex.c b/src/gallium/drivers/softpipe/sp_state_vertex.c
index 46b6991195..b491d92ed1 100644
--- a/src/gallium/drivers/softpipe/sp_state_vertex.c
+++ b/src/gallium/drivers/softpipe/sp_state_vertex.c
@@ -31,7 +31,6 @@
 
 #include "sp_context.h"
 #include "sp_state.h"
-#include "sp_surface.h"
 
 #include "draw/draw_context.h"
 
diff --git a/src/gallium/drivers/softpipe/sp_tex_tile_cache.c b/src/gallium/drivers/softpipe/sp_tex_tile_cache.c
index e50a76a73b..50242d5bd6 100644
--- a/src/gallium/drivers/softpipe/sp_tex_tile_cache.c
+++ b/src/gallium/drivers/softpipe/sp_tex_tile_cache.c
@@ -37,7 +37,6 @@
 #include "util/u_tile.h"
 #include "util/u_math.h"
 #include "sp_context.h"
-#include "sp_surface.h"
 #include "sp_texture.h"
 #include "sp_tex_tile_cache.h"
 
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 45e80c5447..a5fff91507 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -38,7 +38,6 @@
 #include "util/u_memory.h"
 
 #include "sp_context.h"
-#include "sp_state.h"
 #include "sp_texture.h"
 #include "sp_screen.h"
 #include "sp_winsys.h"