From 716cdcfbbde1fa9532a1f04d7359b4ce2f26e7d1040a00f4ac4d0a1f76f65681 Mon Sep 17 00:00:00 2001
From: OBS User unknown <null@suse.de>
Date: Fri, 28 Nov 2008 14:39:08 +0000
Subject: [PATCH] OBS-URL:
 https://build.opensuse.org/package/show/openSUSE:Factory/Mesa?expand=0&rev=51

---
 Mesa.changes                 |  15 +++
 Mesa.spec                    |  13 +-
 drirc                        |   5 +
 mesa-7.1-fix-i8xx-vbos.patch | 248 +++++++++++++++++++++++++++++++++++
 4 files changed, 280 insertions(+), 1 deletion(-)
 create mode 100644 mesa-7.1-fix-i8xx-vbos.patch

diff --git a/Mesa.changes b/Mesa.changes
index e201a53..9b1d5e6 100644
--- a/Mesa.changes
+++ b/Mesa.changes
@@ -1,3 +1,18 @@
+-------------------------------------------------------------------
+Fri Nov 28 03:37:26 CET 2008 - sndirsch@suse.de
+
+- mesa-7.1-fix-i8xx-vbos.patch
+  * For some reason the Intel 865 seem to claim VBO support in the
+    docs, but doesn't seem to practice it in the hardware, or
+    there is some missing errata. This restores the old pre-vbo
+    code and uses it on all 8xx hw. (bfo #17963)
+    This patch fixes OpenGL support on 845/855GM/865.
+
+-------------------------------------------------------------------
+Sat Nov 22 11:45:33 CET 2008 - sndirsch@suse.de
+
+- disabled VBlank also for i965 DRI driver (bfo #17967) 
+
 -------------------------------------------------------------------
 Mon Nov 17 18:35:37 CET 2008 - sndirsch@suse.de
 
diff --git a/Mesa.spec b/Mesa.spec
index b375787..a1d0f6a 100644
--- a/Mesa.spec
+++ b/Mesa.spec
@@ -35,7 +35,7 @@ Obsoletes:      Mesa-32bit
 %endif
 #
 Version:        7.2
-Release:        8
+Release:        9
 Summary:        Mesa is a 3-D graphics library with an API which is very similar to that of OpenGL
 Source:         MesaLib-%{version}_intel-2008-q3_793c3b9.tar.bz2
 Source1:        MesaDemos-%{version}.tar.bz2
@@ -48,6 +48,7 @@ Patch6:         link-shared.diff
 Patch7:         disable_gem_warning.diff
 Patch9:         i965-GL_MAX_TEXTURE_SIZE-4096.diff
 Patch10:        commit-b4bf9ac.diff
+Patch11:        mesa-7.1-fix-i8xx-vbos.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -143,6 +144,7 @@ sed -i 's/REPLACE/%_lib/g' src/glx/x11/Makefile
 %patch7 -p1
 #%patch9 -p1
 %patch10 -p1
+%patch11 -p1
 
 %build
 
@@ -251,6 +253,15 @@ rm -rf $RPM_BUILD_ROOT
 /usr/%{_lib}/libOSMesa.a
 
 %changelog
+* Fri Nov 28 2008 sndirsch@suse.de
+- mesa-7.1-fix-i8xx-vbos.patch
+  * For some reason the Intel 865 seem to claim VBO support in the
+  docs, but doesn't seem to practice it in the hardware, or
+  there is some missing errata. This restores the old pre-vbo
+  code and uses it on all 8xx hw. (bfo #17963)
+  This patch fixes OpenGL support on 845/855GM/865.
+* Sat Nov 22 2008 sndirsch@suse.de
+- disabled VBlank also for i965 DRI driver (bfo #17967)
 * Mon Nov 17 2008 sndirsch@suse.de
 - added global /etc/drirc to disable VBlank for i915 DRI driver
   (bnc #432980)
diff --git a/drirc b/drirc
index c3d5810..b84ba67 100644
--- a/drirc
+++ b/drirc
@@ -4,4 +4,9 @@
             <option name="vblank_mode" value="0" />
         </application>
     </device>
+    <device screen="0" driver="i965">
+        <application name="Default">
+            <option name="vblank_mode" value="0" />
+        </application>
+    </device>
 </driconf>
diff --git a/mesa-7.1-fix-i8xx-vbos.patch b/mesa-7.1-fix-i8xx-vbos.patch
new file mode 100644
index 0000000..51440d4
--- /dev/null
+++ b/mesa-7.1-fix-i8xx-vbos.patch
@@ -0,0 +1,248 @@
+From 57ebdba06567bd59ce7246471c129fb36b5b1de3 Mon Sep 17 00:00:00 2001
+From: Dave Airlie <airlied@redhat.com>
+Date: Fri, 28 Nov 2008 19:38:47 +1000
+Subject: [PATCH] intel: restore old vertex submit paths for i8xx hardware.
+
+For some reason the Intel 865 seem to claim VBO support in the docs, but
+doesn't seem to practice it in the hardware, or there is some missing
+errata.
+
+This restores the old pre-vbo code and uses it on all 8xx hw.
+---
+ src/mesa/drivers/dri/i915/intel_render.c   |   25 ++++++-
+ src/mesa/drivers/dri/i915/intel_tris.c     |   98 +++++++++++++++++++++++++++-
+ src/mesa/drivers/dri/intel/intel_context.h |    1 +
+ src/mesa/drivers/dri/intel/intel_reg.h     |    4 +-
+ src/mesa/drivers/dri/intel/intel_screen.c  |    1 +
+ src/mesa/drivers/dri/intel/intel_screen.h  |    1 +
+ 6 files changed, 124 insertions(+), 6 deletions(-)
+
+diff --git a/src/mesa/drivers/dri/i915/intel_render.c b/src/mesa/drivers/dri/i915/intel_render.c
+index 467abe4..410052b 100644
+--- a/src/mesa/drivers/dri/i915/intel_render.c
++++ b/src/mesa/drivers/dri/i915/intel_render.c
+@@ -117,6 +117,26 @@ intelDmaPrimitive(struct intel_context *intel, GLenum prim)
+    intel_set_prim(intel, hw_prim[prim]);
+ }
+ 
++static inline GLuint intel_get_vb_max(struct intel_context *intel)
++{
++   GLuint ret;
++
++   if (intel->intelScreen->no_vbo)
++      ret = intel->batch->size - 1500;
++   else
++      ret = INTEL_VB_SIZE;
++   ret /= (intel->vertex_size * 4);
++   return ret;
++}
++
++static inline GLuint intel_get_current_max(struct intel_context *intel)
++{
++
++   if (intel->intelScreen->no_vbo)
++      return intel_get_vb_max(intel);
++   else
++      return (INTEL_VB_SIZE - intel->prim.current_offset) / (intel->vertex_size * 4);
++}
+ 
+ #define LOCAL_VARS struct intel_context *intel = intel_context(ctx)
+ #define INIT( prim ) 				\
+@@ -126,9 +146,8 @@ do {						\
+ 
+ #define FLUSH() INTEL_FIREVERTICES(intel)
+ 
+-#define GET_SUBSEQUENT_VB_MAX_VERTS() (INTEL_VB_SIZE / (intel->vertex_size * 4))
+-#define GET_CURRENT_VB_MAX_VERTS() \
+-   ((INTEL_VB_SIZE - intel->prim.current_offset) / (intel->vertex_size * 4))
++#define GET_SUBSEQUENT_VB_MAX_VERTS() intel_get_vb_max(intel)
++#define GET_CURRENT_VB_MAX_VERTS() intel_get_current_max(intel)
+ 
+ #define ALLOC_VERTS(nr) intel_get_prim_space(intel, nr)
+ 
+diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c
+index 797d6c5..52f38e0 100644
+--- a/src/mesa/drivers/dri/i915/intel_tris.c
++++ b/src/mesa/drivers/dri/i915/intel_tris.c
+@@ -61,9 +61,101 @@ static void intelRenderPrimitive(GLcontext * ctx, GLenum prim);
+ static void intelRasterPrimitive(GLcontext * ctx, GLenum rprim,
+                                  GLuint hwprim);
+ 
++static void
++intel_flush_inline_primitive(struct intel_context *intel)
++{
++   GLuint used = intel->batch->ptr - intel->prim.start_ptr;
++
++   assert(intel->prim.primitive != ~0);
++
++/*    _mesa_printf("/\n"); */
++
++   if (used < 8)
++      goto do_discard;
++
++   *(int *) intel->prim.start_ptr = (_3DPRIMITIVE |
++                                     intel->prim.primitive | (used / 4 - 2));
++
++   goto finished;
++
++ do_discard:
++   intel->batch->ptr -= used;
++
++ finished:
++   intel->prim.primitive = ~0;
++   intel->prim.start_ptr = 0;
++   intel->prim.flush = 0;
++}
++
++static void intel_start_inline(struct intel_context *intel, uint32_t prim)
++{
++   BATCH_LOCALS;
++   uint32_t batch_flags = LOOP_CLIPRECTS;
++
++   intel_wait_flips(intel);
++   intel->vtbl.emit_state(intel);
++
++   intel->no_batch_wrap = GL_TRUE;
++
++   /*_mesa_printf("%s *", __progname);*/
++
++   /* Emit a slot which will be filled with the inline primitive
++    * command later.
++    */
++   BEGIN_BATCH(2, batch_flags);
++   OUT_BATCH(0);
++
++   assert((intel->batch->dirty_state & (1<<1)) == 0);
++
++   intel->prim.start_ptr = intel->batch->ptr;
++   intel->prim.primitive = prim;
++   intel->prim.flush = intel_flush_inline_primitive;
++
++   OUT_BATCH(0);
++   ADVANCE_BATCH();
++
++   intel->no_batch_wrap = GL_FALSE;
++/*    _mesa_printf(">"); */
++}
++
++static void intel_wrap_inline(struct intel_context *intel)
++{
++   GLuint prim = intel->prim.primitive;
++
++   intel_flush_inline_primitive(intel);
++   intel_batchbuffer_flush(intel->batch);
++   intel_start_inline(intel, prim);  /* ??? */
++}
++
++static GLuint *intel_extend_inline(struct intel_context *intel, GLuint dwords)
++{
++   GLuint sz = dwords * sizeof(GLuint);
++   GLuint *ptr;
++
++   assert(intel->prim.flush == intel_flush_inline_primitive);
++
++   if (intel_batchbuffer_space(intel->batch) < sz)
++      intel_wrap_inline(intel);
++
++/*    _mesa_printf("."); */
++
++   intel->vtbl.assert_not_dirty(intel);
++
++   ptr = (GLuint *) intel->batch->ptr;
++   intel->batch->ptr += sz;
++
++   return ptr;
++}
++
+ /** Sets the primitive type for a primitive sequence, flushing as needed. */
+ void intel_set_prim(struct intel_context *intel, uint32_t prim)
+ {
++   /* if we have no VBOs */
++   
++   if (intel->intelScreen->no_vbo) {
++      intel_start_inline(intel, prim);
++      return;
++   }
+    if (prim != intel->prim.primitive) {
+       INTEL_FIREVERTICES(intel);
+       intel->prim.primitive = prim;
+@@ -75,6 +167,10 @@ uint32_t *intel_get_prim_space(struct intel_context *intel, unsigned int count)
+ {
+    uint32_t *addr;
+ 
++   if (intel->intelScreen->no_vbo) {
++      return intel_extend_inline(intel, count * intel->vertex_size);
++   }
++
+    /* Check for space in the existing VB */
+    if (intel->prim.vb_bo == NULL ||
+        (intel->prim.current_offset +
+@@ -155,7 +251,7 @@ void intel_flush_prim(struct intel_context *intel)
+ 
+ #if 0
+    printf("emitting %d..%d=%d vertices size %d\n", offset,
+-	  intel->prim.current_offset, intel->prim.count,
++	  intel->prim.current_offset, count,
+ 	  intel->vertex_size * 4);
+ #endif
+ 
+diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
+index 3938af4..4d1f0d7 100644
+--- a/src/mesa/drivers/dri/intel/intel_context.h
++++ b/src/mesa/drivers/dri/intel/intel_context.h
+@@ -184,6 +184,7 @@ struct intel_context
+       GLuint id;
+       uint32_t primitive;	/**< Current hardware primitive type */
+       void (*flush) (struct intel_context *);
++      GLubyte *start_ptr; /**< for i8xx */
+       dri_bo *vb_bo;
+       uint8_t *vb;
+       unsigned int start_offset; /**< Byte offset of primitive sequence */
+diff --git a/src/mesa/drivers/dri/intel/intel_reg.h b/src/mesa/drivers/dri/intel/intel_reg.h
+index 68d8a05..57ac8f0 100644
+--- a/src/mesa/drivers/dri/intel/intel_reg.h
++++ b/src/mesa/drivers/dri/intel/intel_reg.h
+@@ -71,14 +71,14 @@
+ /** @{
+  * 915 definitions
+  */
+-#define S0_VB_OFFSET_MASK		0xffffffc
++#define S0_VB_OFFSET_MASK		0xffffffc0
+ #define S0_AUTO_CACHE_INV_DISABLE	(1<<0)
+ /** @} */
+ 
+ /** @{
+  * 830 definitions
+  */
+-#define S0_VB_OFFSET_MASK_830		0xffffff8
++#define S0_VB_OFFSET_MASK_830		0xffffff80
+ #define S0_VB_PITCH_SHIFT_830		1
+ #define S0_VB_ENABLE_830		(1<<0)
+ /** @} */
+diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
+index cf09fad..61b55b9 100644
+--- a/src/mesa/drivers/dri/intel/intel_screen.c
++++ b/src/mesa/drivers/dri/intel/intel_screen.c
+@@ -461,6 +461,7 @@ intelCreateContext(const __GLcontextModes * mesaVis,
+ 				  sharedContextPrivate);
+       }
+    } else {
++      intelScreen->no_vbo = GL_TRUE;
+       return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
+    }
+ #else
+diff --git a/src/mesa/drivers/dri/intel/intel_screen.h b/src/mesa/drivers/dri/intel/intel_screen.h
+index fc913da..91f0d6d 100644
+--- a/src/mesa/drivers/dri/intel/intel_screen.h
++++ b/src/mesa/drivers/dri/intel/intel_screen.h
+@@ -77,6 +77,7 @@ typedef struct
+ 
+    GLboolean no_hw;
+ 
++   GLboolean no_vbo;
+    int ttm;
+    dri_bufmgr *bufmgr;
+ 
+-- 
+1.6.0.3
+