Merge branch 'master' into gallium-sampler-view

Conflicts:
	src/gallium/auxiliary/Makefile
	src/gallium/auxiliary/SConscript
	src/gallium/auxiliary/tgsi/tgsi_exec.c
	src/gallium/auxiliary/util/u_blitter.c
	src/gallium/drivers/i915/i915_context.h
	src/gallium/drivers/i965/brw_context.h
	src/gallium/drivers/llvmpipe/lp_context.h
	src/gallium/drivers/nv50/nv50_context.h
	src/gallium/drivers/nv50/nv50_state_validate.c
	src/gallium/drivers/nv50/nv50_tex.c
	src/gallium/drivers/r300/r300_blit.c
	src/gallium/drivers/r300/r300_context.h
	src/gallium/drivers/r300/r300_emit.c
	src/gallium/drivers/r300/r300_state.c
	src/gallium/drivers/softpipe/sp_context.h
	src/gallium/drivers/svga/svga_context.h
	src/gallium/drivers/svga/svga_pipe_sampler.c

5 files changed, 210 insertions, 25 deletions

diff --git a/src/gallium/drivers/nouveau/nouveau_context.c b/src/gallium/drivers/nouveau/nouveau_context.c
index 23443869e6..15174983e7 100644
--- a/src/gallium/drivers/nouveau/nouveau_context.c
+++ b/src/gallium/drivers/nouveau/nouveau_context.c
@@ -1,5 +1,5 @@
-#include <pipe/p_defines.h>
-#include <pipe/p_context.h>
+#include "pipe/p_defines.h"
+#include "pipe/p_context.h"
 
 #include "nouveau/nouveau_screen.h"
 #include "nouveau/nouveau_context.h"
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.c b/src/gallium/drivers/nouveau/nouveau_screen.c
index 81bc296ab4..b1ad686022 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.c
+++ b/src/gallium/drivers/nouveau/nouveau_screen.c
@@ -1,9 +1,10 @@
-#include <pipe/p_defines.h>
-#include <pipe/p_screen.h>
-#include <pipe/p_state.h>
+#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
 
-#include <util/u_memory.h>
-#include <util/u_inlines.h>
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
 
 #include <stdio.h>
 #include <errno.h>
@@ -12,6 +13,9 @@
 #include "nouveau_winsys.h"
 #include "nouveau_screen.h"
 
+/* XXX this should go away */
+#include "state_tracker/drm_api.h"
+
 static const char *
 nouveau_screen_get_name(struct pipe_screen *pscreen)
 {
@@ -120,7 +124,7 @@ nouveau_screen_map_flags(unsigned pipe)
 	if (pipe & PIPE_BUFFER_USAGE_DONTBLOCK)
 		flags |= NOUVEAU_BO_NOWAIT;
 	else
-	if (pipe & 0 /*PIPE_BUFFER_USAGE_UNSYNCHRONIZED*/)
+	if (pipe & PIPE_BUFFER_USAGE_UNSYNCHRONIZED)
 		flags |= NOUVEAU_BO_NOSYNC;
 
 	return flags;
@@ -231,6 +235,72 @@ nouveau_screen_fence_finish(struct pipe_screen *screen,
 	return 0;
 }
 
+
+/*
+ * Both texture_{from|get}_handle use drm api defines directly which they
+ * shouldn't do. The problem is that from|get are pipe functions and as
+ * such they should be defined in the pipe level. If nouveau had a propper
+ * winsys interface we would have added from|get to that interface using
+ * the winsys_handle struct as done with other drivers. However this code
+ * calls directly into the libdrm_nouveau.so functions (nouveau_bo_*). So
+ * we need to translate the handle into something they understand.
+ */
+static struct pipe_texture *
+nouveau_screen_texture_from_handle(struct pipe_screen *pscreen,
+				   const struct pipe_texture *templ,
+				   struct winsys_handle *whandle)
+{
+	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+	struct pipe_texture *pt;
+	struct pipe_buffer *pb;
+	int ret;
+
+	pb = CALLOC(1, sizeof(struct pipe_buffer) + sizeof(struct nouveau_bo*));
+	if (!pb)
+		return NULL;
+
+	ret = nouveau_bo_handle_ref(dev, whandle->handle, (struct nouveau_bo**)(pb+1));
+	if (ret) {
+		debug_printf("%s: ref name 0x%08x failed with %d\n",
+			     __func__, whandle->handle, ret);
+		FREE(pb);
+		return NULL;
+	}
+
+	pipe_reference_init(&pb->reference, 1);
+	pb->screen = pscreen;
+	pb->alignment = 0;
+	pb->usage = PIPE_BUFFER_USAGE_GPU_READ_WRITE |
+		    PIPE_BUFFER_USAGE_CPU_READ_WRITE;
+	pb->size = nouveau_bo(pb)->size;
+	pt = nouveau_screen(pscreen)->texture_blanket(pscreen, templ,
+                                                      &whandle->stride, pb);
+	pipe_buffer_reference(&pb, NULL);
+	return pt;
+}
+
+static boolean
+nouveau_screen_texture_get_handle(struct pipe_screen *pscreen,
+				  struct pipe_texture *pt,
+				  struct winsys_handle *whandle)
+{
+	struct nouveau_miptree *mt = nouveau_miptree(pt);
+
+	if (!mt || !mt->bo)
+		return false;
+
+	whandle->stride = util_format_get_stride(mt->base.format, mt->base.width0);
+
+	if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) { 
+		return nouveau_bo_handle_get(mt->bo, &whandle->handle) == 0;
+	} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
+		whandle->handle = mt->bo->handle;
+		return TRUE;
+	} else {
+		return FALSE;
+	}
+}
+
 int
 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 {
@@ -258,6 +328,9 @@ nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 	pscreen->fence_signalled = nouveau_screen_fence_signalled;
 	pscreen->fence_finish = nouveau_screen_fence_finish;
 
+	pscreen->texture_from_handle = nouveau_screen_texture_from_handle;
+	pscreen->texture_get_handle = nouveau_screen_texture_get_handle;
+
 	return 0;
 }
 
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.h b/src/gallium/drivers/nouveau/nouveau_screen.h
index a7927d88df..f4a7a2bc23 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.h
+++ b/src/gallium/drivers/nouveau/nouveau_screen.h
@@ -6,6 +6,18 @@ struct nouveau_screen {
 	struct nouveau_device *device;
 	struct nouveau_channel *channel;
 
+        /**
+         * Create a new texture object, using the given template info, but on top of
+         * existing memory.
+         * 
+         * It is assumed that the buffer data is layed out according to the expected
+         * by the hardware. NULL will be returned if any inconsistency is found.  
+         */
+        struct pipe_texture * (*texture_blanket)(struct pipe_screen *,
+                                                 const struct pipe_texture *templat,
+                                                 const unsigned *stride,
+                                                 struct pipe_buffer *buffer);
+
 	int (*pre_pipebuffer_map_callback) (struct pipe_screen *pscreen,
 		struct pipe_buffer *pb, unsigned usage);
 };
diff --git a/src/gallium/drivers/nouveau/nouveau_util.h b/src/gallium/drivers/nouveau/nouveau_util.h
index a10114beab..7f16e31c3f 100644
--- a/src/gallium/drivers/nouveau/nouveau_util.h
+++ b/src/gallium/drivers/nouveau/nouveau_util.h
@@ -88,4 +88,104 @@ static INLINE unsigned log2i(unsigned i)
 	return r;
 }
 
+struct u_split_prim {
+   void *priv;
+   void (*emit)(void *priv, unsigned start, unsigned count);
+   void (*edge)(void *priv, boolean enabled);
+
+   unsigned mode;
+   unsigned start;
+   unsigned p_start;
+   unsigned p_end;
+
+   int repeat_first:1;
+   int close_first:1;
+   int edgeflag_off:1;
+};
+
+static inline void
+u_split_prim_init(struct u_split_prim *s,
+                  unsigned mode, unsigned start, unsigned count)
+{
+   if (mode == PIPE_PRIM_LINE_LOOP) {
+      s->mode = PIPE_PRIM_LINE_STRIP;
+      s->close_first = 1;
+   } else {
+      s->mode = mode;
+      s->close_first = 0;
+   }
+   s->start = start;
+   s->p_start = start;
+   s->p_end = start + count;
+   s->edgeflag_off = 0;
+   s->repeat_first = 0;
+}
+
+static INLINE boolean
+u_split_prim_next(struct u_split_prim *s, unsigned max_verts)
+{
+   int repeat = 0;
+
+   if (s->repeat_first) {
+      s->emit(s->priv, s->start, 1);
+      max_verts--;
+      if (s->edgeflag_off) {
+         s->edge(s->priv, TRUE);
+         s->edgeflag_off = FALSE;
+      }
+   }
+
+   if (s->p_start + s->close_first + max_verts >= s->p_end) {
+      s->emit(s->priv, s->p_start, s->p_end - s->p_start);
+      if (s->close_first)
+         s->emit(s->priv, s->start, 1);
+      return TRUE;
+   }
+
+   switch (s->mode) {
+   case PIPE_PRIM_LINES:
+      max_verts &= ~1;
+      break;
+   case PIPE_PRIM_LINE_STRIP:
+      repeat = 1;
+      break;
+   case PIPE_PRIM_POLYGON:
+      max_verts--;
+      s->emit(s->priv, s->p_start, max_verts);
+      s->edge(s->priv, FALSE);
+      s->emit(s->priv, s->p_start + max_verts, 1);
+      s->p_start += max_verts;
+      s->repeat_first = TRUE;
+      s->edgeflag_off = TRUE;
+      return FALSE;
+   case PIPE_PRIM_TRIANGLES:
+      max_verts = max_verts - (max_verts % 3);
+      break;
+   case PIPE_PRIM_TRIANGLE_STRIP:
+      /* to ensure winding stays correct, always split
+       * on an even number of generated triangles
+       */
+      max_verts = max_verts & ~1;
+      repeat = 2;
+      break;
+   case PIPE_PRIM_TRIANGLE_FAN:
+      s->repeat_first = TRUE;
+      repeat = 1;
+      break;
+   case PIPE_PRIM_QUADS:
+      max_verts &= ~3;
+      break;
+   case PIPE_PRIM_QUAD_STRIP:
+      max_verts &= ~1;
+      repeat = 2;
+      break;
+   default:
+      break;
+   }
+
+   s->emit (s->priv, s->p_start, max_verts);
+   s->p_start += (max_verts - repeat);
+   return FALSE;
+}
+
 #endif
diff --git a/src/gallium/drivers/nouveau/nv04_surface_2d.c b/src/gallium/drivers/nouveau/nv04_surface_2d.c
index 42c2ca932d..b074547c4d 100644
--- a/src/gallium/drivers/nouveau/nv04_surface_2d.c
+++ b/src/gallium/drivers/nouveau/nv04_surface_2d.c
@@ -18,15 +18,15 @@ nv04_surface_format(enum pipe_format format)
 	case PIPE_FORMAT_I8_UNORM:
 		return NV04_CONTEXT_SURFACES_2D_FORMAT_Y8;
 	case PIPE_FORMAT_R16_SNORM:
-	case PIPE_FORMAT_R5G6B5_UNORM:
+	case PIPE_FORMAT_B5G6R5_UNORM:
 	case PIPE_FORMAT_Z16_UNORM:
-	case PIPE_FORMAT_A8L8_UNORM:
+	case PIPE_FORMAT_L8A8_UNORM:
 		return NV04_CONTEXT_SURFACES_2D_FORMAT_R5G6B5;
-	case PIPE_FORMAT_X8R8G8B8_UNORM:
-	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_B8G8R8X8_UNORM:
+	case PIPE_FORMAT_B8G8R8A8_UNORM:
 		return NV04_CONTEXT_SURFACES_2D_FORMAT_A8R8G8B8;
-	case PIPE_FORMAT_Z24S8_UNORM:
-	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_S8Z24_UNORM:
+	case PIPE_FORMAT_X8Z24_UNORM:
 		return NV04_CONTEXT_SURFACES_2D_FORMAT_Y32;
 	default:
 		return -1;
@@ -39,14 +39,14 @@ nv04_rect_format(enum pipe_format format)
 	switch (format) {
 	case PIPE_FORMAT_A8_UNORM:
 		return NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT_A8R8G8B8;
-	case PIPE_FORMAT_R5G6B5_UNORM:
-	case PIPE_FORMAT_A8L8_UNORM:
+	case PIPE_FORMAT_B5G6R5_UNORM:
+	case PIPE_FORMAT_L8A8_UNORM:
 	case PIPE_FORMAT_Z16_UNORM:
 		return NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT_A16R5G6B5;
-	case PIPE_FORMAT_X8R8G8B8_UNORM:
-	case PIPE_FORMAT_A8R8G8B8_UNORM:
-	case PIPE_FORMAT_Z24S8_UNORM:
-	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_B8G8R8X8_UNORM:
+	case PIPE_FORMAT_B8G8R8A8_UNORM:
+	case PIPE_FORMAT_S8Z24_UNORM:
+	case PIPE_FORMAT_X8Z24_UNORM:
 		return NV04_GDI_RECTANGLE_TEXT_COLOR_FORMAT_A8R8G8B8;
 	default:
 		return -1;
@@ -61,15 +61,15 @@ nv04_scaled_image_format(enum pipe_format format)
 	case PIPE_FORMAT_L8_UNORM:
 	case PIPE_FORMAT_I8_UNORM:
 		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_Y8;
-	case PIPE_FORMAT_A1R5G5B5_UNORM:
+	case PIPE_FORMAT_B5G5R5A1_UNORM:
 		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_A1R5G5B5;
-	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_B8G8R8A8_UNORM:
 		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_A8R8G8B8;
-	case PIPE_FORMAT_X8R8G8B8_UNORM:
+	case PIPE_FORMAT_B8G8R8X8_UNORM:
 		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_X8R8G8B8;
-	case PIPE_FORMAT_R5G6B5_UNORM:
+	case PIPE_FORMAT_B5G6R5_UNORM:
 	case PIPE_FORMAT_R16_SNORM:
-	case PIPE_FORMAT_A8L8_UNORM:
+	case PIPE_FORMAT_L8A8_UNORM:
 		return NV03_SCALED_IMAGE_FROM_MEMORY_COLOR_FORMAT_R5G6B5;
 	default:
 		return -1;