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

25 files changed, 66 insertions, 76 deletions

diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index 8ca4335e33..8d045f2c6c 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -37,7 +37,6 @@
 #include "st_public.h"
 #include "st_texture.h"
 #include "pipe/p_context.h"
-#include "pipe/p_inlines.h"
 #include "cso_cache/cso_context.h"
 #include "util/u_rect.h"
 #include "util/u_math.h"
diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c
index 6a5854e9ba..0b2e3f5381 100644
--- a/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -43,7 +43,6 @@
 
 #include "st_context.h"
 #include "st_format.h"
-#include "st_program.h"
 #include "st_texture.h"
 #include "st_inlines.h"
 
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 7b84a86ba4..9d63f1c6ab 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -37,7 +37,6 @@
 #include "st_context.h"
 #include "st_cb_texture.h"
 #include "st_atom.h"
-#include "st_program.h"
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 
diff --git a/src/mesa/state_tracker/st_atom_shader.c b/src/mesa/state_tracker/st_atom_shader.c
index 176f3ea68d..181f88a334 100644
--- a/src/mesa/state_tracker/st_atom_shader.c
+++ b/src/mesa/state_tracker/st_atom_shader.c
@@ -51,7 +51,6 @@
 #include "st_atom.h"
 #include "st_program.h"
 #include "st_atom_shader.h"
-#include "st_mesa_to_tgsi.h"
 
 
 
@@ -79,7 +78,7 @@ translate_fp(struct st_context *st,
 
       stfp->num_input_slots = numIn;
 
-      assert(stfp->Base.Base.NumInstructions > 1);
+      assert(stfp->Base.Base.NumInstructions > 0);
 
       st_translate_fragment_program(st, stfp, stfp->input_to_slot);
    }
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index da7b97d325..798081ec89 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -38,9 +38,7 @@
 #include "st_context.h"
 #include "st_cb_accum.h"
 #include "st_cb_fbo.h"
-#include "st_draw.h"
 #include "st_public.h"
-#include "st_format.h"
 #include "st_texture.h"
 #include "st_inlines.h"
 #include "pipe/p_context.h"
diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c
index 1bdeaccda3..d1b35f796e 100644
--- a/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/src/mesa/state_tracker/st_cb_bitmap.c
@@ -34,9 +34,7 @@
 #include "main/image.h"
 #include "main/bufferobj.h"
 #include "main/macros.h"
-#include "main/texformat.h"
 #include "shader/program.h"
-#include "shader/prog_parameter.h"
 #include "shader/prog_print.h"
 
 #include "st_context.h"
@@ -44,15 +42,12 @@
 #include "st_atom_constbuf.h"
 #include "st_program.h"
 #include "st_cb_bitmap.h"
-#include "st_cb_program.h"
-#include "st_mesa_to_tgsi.h"
 #include "st_texture.h"
 #include "st_inlines.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_inlines.h"
-#include "util/u_tile.h"
 #include "util/u_draw_quad.h"
 #include "util/u_simple_shaders.h"
 #include "shader/prog_instruction.h"
@@ -386,11 +381,11 @@ setup_bitmap_vertex_data(struct st_context *st,
    }
 
    /* put vertex data into vbuf */
-   st_no_flush_pipe_buffer_write(st,
-				 st->bitmap.vbuf,
-				 st->bitmap.vbuf_slot * sizeof st->bitmap.vertices,
-				 sizeof st->bitmap.vertices,
-				 st->bitmap.vertices);
+   st_no_flush_pipe_buffer_write_nooverlap(st,
+                                           st->bitmap.vbuf,
+                                           st->bitmap.vbuf_slot * sizeof st->bitmap.vertices,
+                                           sizeof st->bitmap.vertices,
+                                           st->bitmap.vertices);
 
    return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices;
 }
diff --git a/src/mesa/state_tracker/st_cb_blit.c b/src/mesa/state_tracker/st_cb_blit.c
index 563615ed0d..65aa2a28ac 100644
--- a/src/mesa/state_tracker/st_cb_blit.c
+++ b/src/mesa/state_tracker/st_cb_blit.c
@@ -33,14 +33,10 @@
 #include "main/imports.h"
 #include "main/image.h"
 #include "main/macros.h"
-#include "main/texformat.h"
 #include "shader/program.h"
-#include "shader/prog_parameter.h"
-#include "shader/prog_print.h"
 
 #include "st_context.h"
 #include "st_texture.h"
-#include "st_program.h"
 #include "st_cb_blit.h"
 #include "st_cb_fbo.h"
 
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c
index 192d765f45..398587ac4b 100644
--- a/src/mesa/state_tracker/st_cb_clear.c
+++ b/src/mesa/state_tracker/st_cb_clear.c
@@ -42,10 +42,8 @@
 #include "st_cb_accum.h"
 #include "st_cb_clear.h"
 #include "st_cb_fbo.h"
-#include "st_draw.h"
 #include "st_program.h"
 #include "st_public.h"
-#include "st_mesa_to_tgsi.h"
 #include "st_inlines.h"
 
 #include "pipe/p_context.h"
@@ -53,7 +51,6 @@
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
 #include "util/u_format.h"
-#include "util/u_pack_color.h"
 #include "util/u_simple_shaders.h"
 #include "util/u_draw_quad.h"
 
@@ -166,10 +163,10 @@ draw_quad(GLcontext *ctx,
    }
 
    /* put vertex data into vbuf */
-   st_no_flush_pipe_buffer_write(st, st->clear.vbuf,
-				 st->clear.vbuf_slot * sizeof(st->clear.vertices),
-				 sizeof(st->clear.vertices),
-				 st->clear.vertices);
+   st_no_flush_pipe_buffer_write_nooverlap(st, st->clear.vbuf,
+                                           st->clear.vbuf_slot * sizeof(st->clear.vertices),
+                                           sizeof(st->clear.vertices),
+                                           st->clear.vertices);
 
    /* draw */
    util_draw_vertex_buffer(pipe, 
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 7c664267d4..4cec259844 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -36,24 +36,18 @@
 #include "main/macros.h"
 #include "main/texformat.h"
 #include "main/texstore.h"
-#include "main/state.h"
 #include "shader/program.h"
-#include "shader/prog_parameter.h"
 #include "shader/prog_print.h"
 
 #include "st_debug.h"
 #include "st_context.h"
 #include "st_atom.h"
 #include "st_atom_constbuf.h"
-#include "st_draw.h"
 #include "st_program.h"
 #include "st_cb_drawpixels.h"
 #include "st_cb_readpixels.h"
 #include "st_cb_fbo.h"
-#include "st_cb_texture.h"
-#include "st_draw.h"
 #include "st_format.h"
-#include "st_mesa_to_tgsi.h"
 #include "st_texture.h"
 #include "st_inlines.h"
 
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 45ce34a85f..f7350ef1e3 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -44,7 +44,6 @@
 #include "pipe/p_screen.h"
 #include "st_context.h"
 #include "st_cb_fbo.h"
-#include "st_cb_texture.h"
 #include "st_format.h"
 #include "st_public.h"
 #include "st_texture.h"
diff --git a/src/mesa/state_tracker/st_cb_feedback.c b/src/mesa/state_tracker/st_cb_feedback.c
index 93f7145219..17261f8321 100644
--- a/src/mesa/state_tracker/st_cb_feedback.c
+++ b/src/mesa/state_tracker/st_cb_feedback.c
@@ -45,14 +45,11 @@
 #include "vbo/vbo.h"
 
 #include "st_context.h"
-#include "st_atom.h"
 #include "st_draw.h"
 #include "st_cb_feedback.h"
-#include "st_cb_bufferobjects.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
-#include "cso_cache/cso_cache.h"
 
 #include "draw/draw_context.h"
 #include "draw/draw_pipe.h"
diff --git a/src/mesa/state_tracker/st_cb_program.c b/src/mesa/state_tracker/st_cb_program.c
index 8c276f8128..5138e596a9 100644
--- a/src/mesa/state_tracker/st_cb_program.c
+++ b/src/mesa/state_tracker/st_cb_program.c
@@ -36,7 +36,6 @@
 #include "shader/prog_instruction.h"
 #include "shader/prog_parameter.h"
 #include "shader/program.h"
-#include "shader/programopt.h"
 #include "shader/shader_api.h"
 
 #include "cso_cache/cso_context.h"
diff --git a/src/mesa/state_tracker/st_cb_queryobj.c b/src/mesa/state_tracker/st_cb_queryobj.c
index 10629e9225..2281d10e99 100644
--- a/src/mesa/state_tracker/st_cb_queryobj.c
+++ b/src/mesa/state_tracker/st_cb_queryobj.c
@@ -41,7 +41,6 @@
 #include "pipe/p_defines.h"
 #include "st_context.h"
 #include "st_cb_queryobj.h"
-#include "st_public.h"
 
 
 static struct gl_query_object *
diff --git a/src/mesa/state_tracker/st_cb_rasterpos.c b/src/mesa/state_tracker/st_cb_rasterpos.c
index d82b2a2035..42a1377809 100644
--- a/src/mesa/state_tracker/st_cb_rasterpos.c
+++ b/src/mesa/state_tracker/st_cb_rasterpos.c
@@ -47,7 +47,6 @@
 #include "st_draw.h"
 #include "draw/draw_context.h"
 #include "draw/draw_pipe.h"
-#include "shader/prog_instruction.h"
 #include "vbo/vbo.h"
 
 
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 6fa7bb64f2..8eb825a6a4 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -45,10 +45,8 @@
 
 #include "st_debug.h"
 #include "st_context.h"
-#include "st_cb_bitmap.h"
 #include "st_cb_readpixels.h"
 #include "st_cb_fbo.h"
-#include "st_format.h"
 #include "st_public.h"
 #include "st_texture.h"
 #include "st_inlines.h"
diff --git a/src/mesa/state_tracker/st_cb_strings.c b/src/mesa/state_tracker/st_cb_strings.c
index bb931f17c4..f22c5369e4 100644
--- a/src/mesa/state_tracker/st_cb_strings.c
+++ b/src/mesa/state_tracker/st_cb_strings.c
@@ -33,7 +33,6 @@
 
 #include "main/glheader.h"
 #include "main/macros.h"
-#include "main/version.h"
 #include "pipe/p_context.h"
 #include "pipe/p_screen.h"
 #include "st_context.h"
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index f01053cdac..b94bfc8538 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -31,15 +31,14 @@
 #include "main/convolve.h"
 #endif
 #include "main/enums.h"
+#include "main/fbobject.h"
 #include "main/formats.h"
 #include "main/image.h"
 #include "main/imports.h"
 #include "main/macros.h"
 #include "main/mipmap.h"
-#include "main/pixel.h"
 #include "main/texcompress.h"
 #include "main/texfetch.h"
-#include "main/texformat.h"
 #include "main/texgetimage.h"
 #include "main/teximage.h"
 #include "main/texobj.h"
@@ -1368,33 +1367,64 @@ fallback_copy_texsubimage(GLcontext *ctx, GLenum target, GLint level,
 }
 
 
+
+/**
+ * If the format of the src renderbuffer and the format of the dest
+ * texture are compatible (in terms of blitting), return a TGSI writemask
+ * to be used during the blit.
+ * If the src/dest are incompatible, return 0.
+ */
 static unsigned
-compatible_src_dst_formats(const struct gl_renderbuffer *src,
+compatible_src_dst_formats(GLcontext *ctx,
+                           const struct gl_renderbuffer *src,
                            const struct gl_texture_image *dst)
 {
-   const GLenum srcFormat = _mesa_get_format_base_format(src->Format);
-   const GLenum dstLogicalFormat = _mesa_get_format_base_format(dst->TexFormat);
+   /* Get logical base formats for the src and dest.
+    * That is, use the user-requested formats and not the actual, device-
+    * chosen formats.
+    * For example, the user may have requested an A8 texture but the
+    * driver may actually be using an RGBA texture format.  When we
+    * copy/blit to that texture, we only want to copy the Alpha channel
+    * and not the RGB channels.
+    *
+    * Similarly, when the src FBO was created an RGB format may have been
+    * requested but the driver actually chose an RGBA format.  In that case,
+    * we don't want to copy the undefined Alpha channel to the dest texture
+    * (it should be 1.0).
+    */
+   const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
+   const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
 
-   if (srcFormat == dstLogicalFormat) {
+   /**
+    * XXX when we have red-only and red/green renderbuffers we'll need
+    * to add more cases here (or implement a general-purpose routine that
+    * queries the existance of the R,G,B,A channels in the src and dest).
+    */
+   if (srcFormat == dstFormat) {
       /* This is the same as matching_base_formats, which should
        * always pass, as it did previously.
        */
       return TGSI_WRITEMASK_XYZW;
    }
-   else if (srcFormat == GL_RGBA &&
-            dstLogicalFormat == GL_RGB) {
-      /* Add a single special case to cope with RGBA->RGB transfers,
-       * setting A to 1.0 to cope with situations where the RGB
-       * destination is actually stored as RGBA.
+   else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
+      /* Make sure that A in the dest is 1.  The actual src format
+       * may be RGBA and have undefined A values.
+       */
+      return TGSI_WRITEMASK_XYZ;
+   }
+   else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
+      /* Make sure that A in the dest is 1.  The actual dst format
+       * may be RGBA and will need A=1 to provide proper alpha values
+       * when sampled later.
        */
-      return TGSI_WRITEMASK_XYZ; /* A ==> 1.0 */
+      return TGSI_WRITEMASK_XYZ;
    }
    else {
       if (ST_DEBUG & DEBUG_FALLBACK)
          debug_printf("%s failed for src %s, dst %s\n",
                       __FUNCTION__, 
                       _mesa_lookup_enum_by_nr(srcFormat),
-                      _mesa_lookup_enum_by_nr(dstLogicalFormat));
+                      _mesa_lookup_enum_by_nr(dstFormat));
 
       /* Otherwise fail.
        */
@@ -1505,7 +1535,7 @@ st_copy_texsubimage(GLcontext *ctx,
    matching_base_formats =
       (_mesa_get_format_base_format(strb->Base.Format) ==
        _mesa_get_format_base_format(texImage->TexFormat));
-   format_writemask = compatible_src_dst_formats(&strb->Base, texImage);
+   format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
 
    if (ctx->_ImageTransferState == 0x0) {
 
diff --git a/src/mesa/state_tracker/st_cb_viewport.c b/src/mesa/state_tracker/st_cb_viewport.c
index ab11c5b4fe..b29191abef 100644
--- a/src/mesa/state_tracker/st_cb_viewport.c
+++ b/src/mesa/state_tracker/st_cb_viewport.c
@@ -27,14 +27,11 @@
 
 #include "main/glheader.h"
 #include "st_context.h"
-#include "st_public.h"
 #include "st_cb_viewport.h"
 
 #include "pipe/p_context.h"
-#include "pipe/p_inlines.h"
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
-#include "pipe/internal/p_winsys_screen.h"
 
 
 static void st_viewport(GLcontext * ctx, GLint x, GLint y,
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 9e6ce30db0..a62ff248ce 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -27,11 +27,6 @@
 
 #include "main/imports.h"
 #include "main/context.h"
-#include "main/extensions.h"
-#include "main/matrix.h"
-#include "main/buffers.h"
-#include "main/scissor.h"
-#include "main/viewport.h"
 #include "vbo/vbo.h"
 #include "shader/shader_api.h"
 #include "glapi/glapi.h"
@@ -69,7 +64,6 @@
 #include "st_program.h"
 #include "pipe/p_context.h"
 #include "draw/draw_context.h"
-#include "cso_cache/cso_cache.h"
 #include "cso_cache/cso_context.h"
 
 
diff --git a/src/mesa/state_tracker/st_draw_feedback.c b/src/mesa/state_tracker/st_draw_feedback.c
index a05d6dd06b..dd27a1e3a8 100644
--- a/src/mesa/state_tracker/st_draw_feedback.c
+++ b/src/mesa/state_tracker/st_draw_feedback.c
@@ -28,7 +28,6 @@
 #include "main/imports.h"
 #include "main/image.h"
 #include "main/macros.h"
-#include "shader/prog_uniform.h"
 
 #include "vbo/vbo.h"
 
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 2a5fb27d8f..89a16c1cbc 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -28,7 +28,6 @@
 
 #include "main/imports.h"
 #include "main/context.h"
-#include "main/extensions.h"
 #include "main/macros.h"
 
 #include "pipe/p_context.h"
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index d00b67a279..3ffc2aee2a 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -35,7 +35,6 @@
 #include "main/imports.h"
 #include "main/context.h"
 #include "main/texstore.h"
-#include "main/texformat.h"
 #include "main/enums.h"
 #include "main/macros.h"
 
@@ -288,6 +287,8 @@ st_pipe_format_to_mesa_format(enum pipe_format pipeFormat)
       return MESA_FORMAT_XRGB8888;
    case PIPE_FORMAT_B8G8R8A8_UNORM:
       return MESA_FORMAT_ARGB8888_REV;
+   case PIPE_FORMAT_B8G8R8X8_UNORM:
+      return MESA_FORMAT_XRGB8888_REV;
    case PIPE_FORMAT_A1R5G5B5_UNORM:
       return MESA_FORMAT_ARGB1555;
    case PIPE_FORMAT_A4R4G4B4_UNORM:
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index a5d1ae3b03..835142e3d4 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -30,15 +30,11 @@
 #include "main/buffers.h"
 #include "main/context.h"
 #include "main/framebuffer.h"
-#include "main/matrix.h"
 #include "main/renderbuffer.h"
-#include "main/scissor.h"
-#include "main/viewport.h"
 #include "st_context.h"
 #include "st_cb_fbo.h"
 #include "st_public.h"
 #include "pipe/p_defines.h"
-#include "pipe/p_context.h"
 
 
 struct st_framebuffer *
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index 2c283d464a..3823a59d37 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -46,9 +46,7 @@
 
 #include "st_debug.h"
 #include "st_context.h"
-#include "st_draw.h"
 #include "st_gen_mipmap.h"
-#include "st_program.h"
 #include "st_texture.h"
 #include "st_cb_texture.h"
 #include "st_inlines.h"
diff --git a/src/mesa/state_tracker/st_inlines.h b/src/mesa/state_tracker/st_inlines.h
index a41cfeb96f..dccc46f12d 100644
--- a/src/mesa/state_tracker/st_inlines.h
+++ b/src/mesa/state_tracker/st_inlines.h
@@ -126,6 +126,16 @@ st_no_flush_pipe_buffer_write(struct st_context *st,
 }
 
 static INLINE void
+st_no_flush_pipe_buffer_write_nooverlap(struct st_context *st,
+                                        struct pipe_buffer *buf,
+                                        unsigned int offset,
+                                        unsigned int size,
+                                        const void * data)
+{
+   pipe_buffer_write_nooverlap(st->pipe->screen, buf, offset, size, data);
+}
+
+static INLINE void
 st_cond_flush_pipe_buffer_read(struct st_context *st,
 			       struct pipe_buffer *buf,
 			       unsigned int offset,