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

12 files changed, 98 insertions, 38 deletions

diff --git a/src/gallium/state_trackers/dri/dri_context.c b/src/gallium/state_trackers/dri/dri_context.c
index f2e5f3fb23c..07f0554cc0d 100644
--- a/src/gallium/state_trackers/dri/dri_context.c
+++ b/src/gallium/state_trackers/dri/dri_context.c
@@ -101,6 +101,12 @@ dri_destroy_context(__DRIcontext * cPriv)
 {
    struct dri_context *ctx = dri_context(cPriv);
 
+   /* note: we are freeing values and nothing more because
+    * driParseConfigFiles allocated values only - the rest
+    * is owned by screen optionCache.
+    */
+   FREE(ctx->optionCache.values);
+
    /* No particular reason to wait for command completion before
     * destroying a context, but it is probably worthwhile flushing it
     * to avoid having to add code elsewhere to cope with flushing a
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 0fdfa96b35a..28fd8decf10 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -123,11 +123,12 @@ dri_get_buffers(__DRIdrawable * dPriv)
 
    struct dri_drawable *drawable = dri_drawable(dPriv);
    struct pipe_surface *surface = NULL;
-   struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen;
+   struct dri_screen *st_screen = dri_screen(drawable->sPriv);
+   struct pipe_screen *screen = st_screen->pipe_screen;
    __DRIbuffer *buffers = NULL;
    __DRIscreen *dri_screen = drawable->sPriv;
    __DRIdrawable *dri_drawable = drawable->dPriv;
-   struct drm_api *api = ((struct dri_screen*)(dri_screen->private))->api;
+   struct drm_api *api = st_screen->api;
    boolean have_depth = FALSE;
    int i, count;
 
@@ -180,7 +181,9 @@ dri_get_buffers(__DRIdrawable * dPriv)
 
       switch (buffers[i].attachment) {
       case __DRI_BUFFER_FRONT_LEFT:
-	 continue;
+	 if (!st_screen->auto_fake_front)
+	    continue;
+	 /* fallthrough */
       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 	 index = ST_SURFACE_FRONT_LEFT;
 	 format = drawable->color_format;
@@ -373,8 +376,8 @@ dri_create_buffer(__DRIscreen * sPriv,
    /* TODO incase of double buffer visual, delay fake creation */
    i = 0;
    drawable->attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
-   drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
-
+   if (!screen->auto_fake_front)
+      drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
    if (visual->doubleBufferMode)
       drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT;
    if (visual->depthBits && visual->stencilBits)
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index d8c054313b3..cdc8eb1b122 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -292,6 +292,8 @@ dri_init_screen2(__DRIscreen * sPriv)
 {
    struct dri_screen *screen;
    struct drm_create_screen_arg arg;
+   const __DRIdri2LoaderExtension *dri2_ext =
+     sPriv->dri2.loader;
 
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
@@ -317,6 +319,9 @@ dri_init_screen2(__DRIscreen * sPriv)
    driParseOptionInfo(&screen->optionCache,
 		      __driConfigOptions, __driNConfigOptions);
 
+   screen->auto_fake_front = dri2_ext->base.version >= 3 &&
+      dri2_ext->getBuffersWithFormat != NULL;
+
    return dri_fill_in_modes(screen, 32);
  fail:
    return NULL;
@@ -326,8 +331,18 @@ static void
 dri_destroy_screen(__DRIscreen * sPriv)
 {
    struct dri_screen *screen = dri_screen(sPriv);
+   int i;
 
    screen->pipe_screen->destroy(screen->pipe_screen);
+   
+   for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
+      FREE(screen->optionCache.info[i].name);
+      FREE(screen->optionCache.info[i].ranges);
+   }
+
+   FREE(screen->optionCache.info);
+   FREE(screen->optionCache.values);
+
    FREE(screen);
    sPriv->private = NULL;
 }
diff --git a/src/gallium/state_trackers/dri/dri_screen.h b/src/gallium/state_trackers/dri/dri_screen.h
index 03387a0e813..75a0ee4250e 100644
--- a/src/gallium/state_trackers/dri/dri_screen.h
+++ b/src/gallium/state_trackers/dri/dri_screen.h
@@ -59,6 +59,7 @@ struct dri_screen
    struct pipe_screen *pipe_screen;
    boolean d_depth_bits_last;
    boolean sd_depth_bits_last;
+   boolean auto_fake_front;
 };
 
 /** cast wrapper */
diff --git a/src/gallium/state_trackers/wgl/stw_pixelformat.c b/src/gallium/state_trackers/wgl/stw_pixelformat.c
index 54cc3614129..7d4c2430b0c 100644
--- a/src/gallium/state_trackers/wgl/stw_pixelformat.c
+++ b/src/gallium/state_trackers/wgl/stw_pixelformat.c
@@ -95,8 +95,6 @@ stw_pf_depth_stencil[] = {
    { PIPE_FORMAT_Z24X8_UNORM, {24, 0} },
    { PIPE_FORMAT_X8Z24_UNORM, {24, 0} },
    { PIPE_FORMAT_Z16_UNORM,   {16, 0} },
-   /* pure stencil */
-   { PIPE_FORMAT_S8_UNORM,    { 0, 8} },
    /* combined depth-stencil */
    { PIPE_FORMAT_S8Z24_UNORM, {24, 8} },
    { PIPE_FORMAT_Z24S8_UNORM, {24, 8} }
@@ -220,7 +218,8 @@ stw_pixelformat_init( void )
          const struct stw_pf_color_info *color = &stw_pf_color[j];
          
          if(!screen->is_format_supported(screen, color->format, PIPE_TEXTURE_2D, 
-                                         PIPE_TEXTURE_USAGE_RENDER_TARGET, 0))
+                                         PIPE_TEXTURE_USAGE_RENDER_TARGET |
+                                         PIPE_TEXTURE_USAGE_DISPLAY_TARGET, 0))
             continue;
          
          for(k = 0; k < Elements(stw_pf_doublebuffer); ++k) {
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c
index 1c248a629e6..0324441c067 100644
--- a/src/gallium/state_trackers/xorg/xorg_composite.c
+++ b/src/gallium/state_trackers/xorg/xorg_composite.c
@@ -4,10 +4,7 @@
 #include "xorg_exa_tgsi.h"
 
 #include "cso_cache/cso_context.h"
-#include "util/u_draw_quad.h"
-#include "util/u_math.h"
 
-#include "pipe/p_inlines.h"
 
 /*XXX also in Xrender.h but the including it here breaks compilition */
 #define XFixedToDouble(f)    (((double) (f)) / 65536.)
diff --git a/src/gallium/state_trackers/xorg/xorg_dri2.c b/src/gallium/state_trackers/xorg/xorg_dri2.c
index fd82f4fa1d1..e6a89c76451 100644
--- a/src/gallium/state_trackers/xorg/xorg_dri2.c
+++ b/src/gallium/state_trackers/xorg/xorg_dri2.c
@@ -44,9 +44,12 @@
 #include "util/u_rect.h"
 
 /* Make all the #if cases in the code esier to read */
-/* XXX can it be set to 1? */
 #ifndef DRI2INFOREC_VERSION
-#define DRI2INFOREC_VERSION 0
+#define DRI2INFOREC_VERSION 1
+#endif
+
+#if DRI2INFOREC_VERSION == 2
+static Bool set_format_in_do_create_buffer;
 #endif
 
 typedef struct {
@@ -147,7 +150,9 @@ dri2_do_create_buffer(DrawablePtr pDraw, DRI2BufferPtr buffer, unsigned int form
     buffer->driverPrivate = private;
     buffer->flags = 0; /* not tiled */
 #if DRI2INFOREC_VERSION == 2
-    ((DRI2Buffer2Ptr)buffer)->format = 0;
+    /* ABI forwards/backwards compatibility */
+    if (set_format_in_do_create_buffer)
+	((DRI2Buffer2Ptr)buffer)->format = 0;
 #elif DRI2INFOREC_VERSION >= 3
     buffer->format = 0;
 #endif
@@ -211,7 +216,9 @@ dri2_destroy_buffer(DrawablePtr pDraw, DRI2Buffer2Ptr buffer)
     xfree(buffer);
 }
 
-#else /* DRI2INFOREC_VERSION < 2 */
+#endif /* DRI2INFOREC_VERSION >= 2 */
+
+#if DRI2INFOREC_VERSION <= 2
 
 static DRI2BufferPtr
 dri2_create_buffers(DrawablePtr pDraw, unsigned int *attachments, int count)
@@ -261,7 +268,7 @@ dri2_destroy_buffers(DrawablePtr pDraw, DRI2BufferPtr buffers, int count)
     }
 }
 
-#endif /* DRI2INFOREC_VERSION >= 2 */
+#endif /* DRI2INFOREC_VERSION <= 2 */
 
 static void
 dri2_copy_region(DrawablePtr pDraw, RegionPtr pRegion,
@@ -369,12 +376,17 @@ xorg_dri2_init(ScreenPtr pScreen)
     ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
     modesettingPtr ms = modesettingPTR(pScrn);
     DRI2InfoRec dri2info;
+    int major, minor;
+
+    if (xf86LoaderCheckSymbol("DRI2Version")) {
+	DRI2Version(&major, &minor);
+    } else {
+	/* Assume version 1.0 */
+	major = 1;
+	minor = 0;
+    }
 
-#if DRI2INFOREC_VERSION >= 2
     dri2info.version = DRI2INFOREC_VERSION;
-#else
-    dri2info.version = 1;
-#endif
     dri2info.fd = ms->fd;
 
     dri2info.driverName = pScrn->driverName;
@@ -383,7 +395,22 @@ xorg_dri2_init(ScreenPtr pScreen)
 #if DRI2INFOREC_VERSION >= 2
     dri2info.CreateBuffer = dri2_create_buffer;
     dri2info.DestroyBuffer = dri2_destroy_buffer;
-#else
+#endif
+
+    /* For X servers in the 1.6.x series there where two DRI2 version.
+     * This allows us to build one binary that works on both servers.
+     */
+#if DRI2INFOREC_VERSION == 2
+    if (minor == 0) {
+	set_format_in_do_create_buffer = FALSE;
+	dri2info.CreateBuffers = dri2_create_buffers;
+	dri2info.DestroyBuffers = dri2_destroy_buffers;
+    } else
+	set_format_in_do_create_buffer = FALSE;
+#endif
+
+    /* For version 1 set these unconditionaly. */
+#if DRI2INFOREC_VERSION == 1
     dri2info.CreateBuffers = dri2_create_buffers;
     dri2info.DestroyBuffers = dri2_destroy_buffers;
 #endif
diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index b02fe68f313..41bfcd0f5e7 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -45,7 +45,6 @@
 #include "miscstruct.h"
 #include "dixstruct.h"
 #include "xf86xv.h"
-#include <X11/extensions/Xv.h>
 #ifndef XSERVER_LIBPCIACCESS
 #error "libpciaccess needed"
 #endif
@@ -206,16 +205,41 @@ drv_init_drm(ScrnInfoPtr pScrn)
 		ms->PciInfo->dev, ms->PciInfo->func
 	    );
 
-	ms->fd = drmOpen(NULL, BusID);
 
-	if (ms->fd < 0)
-	    return FALSE;
+	ms->api = drm_api_create();
+	ms->fd = drmOpen(ms->api ? ms->api->driver_name : NULL, BusID);
+	xfree(BusID);
+
+	if (ms->fd >= 0)
+	    return TRUE;
+
+	if (ms->api && ms->api->destroy)
+	    ms->api->destroy(ms->api);
+
+	ms->api = NULL;
+
+	return FALSE;
     }
 
     return TRUE;
 }
 
 static Bool
+drv_close_drm(ScrnInfoPtr pScrn)
+{
+    modesettingPtr ms = modesettingPTR(pScrn);
+
+    if (ms->api && ms->api->destroy)
+	ms->api->destroy(ms->api);
+    ms->api = NULL;
+
+    drmClose(ms->fd);
+    ms->fd = -1;
+
+    return TRUE;
+}
+
+static Bool
 drv_init_resource_management(ScrnInfoPtr pScrn)
 {
     modesettingPtr ms = modesettingPTR(pScrn);
@@ -229,7 +253,6 @@ drv_init_resource_management(ScrnInfoPtr pScrn)
     if (ms->screen || ms->kms)
 	return TRUE;
 
-    ms->api = drm_api_create();
     if (ms->api) {
 	ms->screen = ms->api->create_screen(ms->api, ms->fd, NULL);
 
@@ -269,10 +292,6 @@ drv_close_resource_management(ScrnInfoPtr pScrn)
     }
     ms->screen = NULL;
 
-    if (ms->api && ms->api->destroy)
-	ms->api->destroy(ms->api);
-    ms->api = NULL;
-
 #ifdef HAVE_LIBKMS
     if (ms->kms)
 	kms_destroy(&ms->kms);
@@ -823,8 +842,7 @@ drv_close_screen(int scrnIndex, ScreenPtr pScreen)
 
     drv_close_resource_management(pScrn);
 
-    drmClose(ms->fd);
-    ms->fd = -1;
+    drv_close_drm(pScrn);
 
     pScrn->vtSema = FALSE;
     pScreen->CloseScreen = ms->CloseScreen;
diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c
index d9432babf18..c91dee73463 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -41,7 +41,6 @@
 #include "pipe/p_format.h"
 #include "pipe/p_context.h"
 #include "pipe/p_state.h"
-#include "pipe/p_inlines.h"
 
 #include "util/u_format.h"
 #include "util/u_rect.h"
diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
index bed17caab77..3e5e6bd6a6e 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
@@ -6,11 +6,9 @@
 #include "pipe/p_format.h"
 #include "pipe/p_context.h"
 #include "pipe/p_state.h"
-#include "pipe/p_inlines.h"
 #include "pipe/p_shader_tokens.h"
 
 #include "util/u_memory.h"
-#include "util/u_simple_shaders.h"
 
 #include "tgsi/tgsi_ureg.h"
 
diff --git a/src/gallium/state_trackers/xorg/xorg_output.c b/src/gallium/state_trackers/xorg/xorg_output.c
index 251f331ea7a..13c3fb97e3b 100644
--- a/src/gallium/state_trackers/xorg/xorg_output.c
+++ b/src/gallium/state_trackers/xorg/xorg_output.c
@@ -49,8 +49,6 @@
 #include <X11/extensions/dpms.h>
 #endif
 
-#include "X11/Xatom.h"
-
 #include "xorg_tracker.h"
 
 static char *output_enum_list[] = {
diff --git a/src/gallium/state_trackers/xorg/xorg_xv.c b/src/gallium/state_trackers/xorg/xorg_xv.c
index 5bf0e94b627..7bcf77e1d31 100644
--- a/src/gallium/state_trackers/xorg/xorg_xv.c
+++ b/src/gallium/state_trackers/xorg/xorg_xv.c
@@ -11,7 +11,6 @@
 #include "cso_cache/cso_context.h"
 
 #include "pipe/p_screen.h"
-#include "pipe/p_inlines.h"
 
 #include "util/u_format.h"