fontconfig libX11 libxcb mesa pixman xserver git update 22 Feb 2012

13 files changed, 281 insertions, 94 deletions

diff --git a/mesalib/src/mesa/main/attrib.c b/mesalib/src/mesa/main/attrib.c
index 846da35e9..7042312a8 100644
--- a/mesalib/src/mesa/main/attrib.c
+++ b/mesalib/src/mesa/main/attrib.c
@@ -122,7 +122,6 @@ struct gl_enable_attrib
    GLboolean SampleAlphaToCoverage;   /* GL_ARB_multisample */
    GLboolean SampleAlphaToOne;        /* GL_ARB_multisample */
    GLboolean SampleCoverage;          /* GL_ARB_multisample */
-   GLboolean SampleCoverageInvert;    /* GL_ARB_multisample */
    GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
 
    GLbitfield Texture[MAX_TEXTURE_UNITS];
@@ -314,7 +313,6 @@ _mesa_PushAttrib(GLbitfield mask)
       attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage;
       attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
       attr->SampleCoverage = ctx->Multisample.SampleCoverage;
-      attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert;
       for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
          attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
          attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
@@ -608,9 +606,6 @@ pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
    TEST_AND_UPDATE(ctx->Multisample.SampleCoverage,
                    enable->SampleCoverage,
                    GL_SAMPLE_COVERAGE_ARB);
-   TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert,
-                   enable->SampleCoverageInvert,
-                   GL_SAMPLE_COVERAGE_INVERT_ARB);
    /* GL_ARB_vertex_program, GL_NV_vertex_program */
    TEST_AND_UPDATE(ctx->VertexProgram.Enabled,
                    enable->VertexProgram,
@@ -622,8 +617,6 @@ pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
                    enable->VertexProgramTwoSide,
                    GL_VERTEX_PROGRAM_TWO_SIDE_ARB);
 
-#undef TEST_AND_UPDATE
-
    /* texture unit enables */
    for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
       const GLbitfield enabled = enable->Texture[i];
@@ -1275,6 +1268,23 @@ _mesa_PopAttrib(void)
             {
                const struct gl_multisample_attrib *ms;
                ms = (const struct gl_multisample_attrib *) attr->data;
+
+	       TEST_AND_UPDATE(ctx->Multisample.Enabled,
+			       ms->Enabled,
+			       GL_MULTISAMPLE);
+
+	       TEST_AND_UPDATE(ctx->Multisample.SampleCoverage,
+			       ms->SampleCoverage,
+			       GL_SAMPLE_COVERAGE);
+
+	       TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage,
+			       ms->SampleAlphaToCoverage,
+			       GL_SAMPLE_ALPHA_TO_COVERAGE);
+
+	       TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToOne,
+			       ms->SampleAlphaToOne,
+			       GL_SAMPLE_ALPHA_TO_ONE);
+
                _mesa_SampleCoverageARB(ms->SampleCoverageValue,
                                        ms->SampleCoverageInvert);
             }
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 987d687b9..6ee062d0b 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -1758,11 +1758,8 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
    if (bindDrawBuf) {
       FLUSH_VERTICES(ctx, _NEW_BUFFERS);
 
-      /* check if old read/draw buffers were render-to-texture */
-      if (!bindReadBuf)
-         check_end_texture_render(ctx, oldReadFb);
-
-      if (oldDrawFb != oldReadFb)
+      /* check if old framebuffer had any texture attachments */
+      if (oldDrawFb)
          check_end_texture_render(ctx, oldDrawFb);
 
       /* check if newly bound framebuffer has any texture attachments */
@@ -2026,7 +2023,7 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
 	                                      BUFFER_STENCIL);
       } else if (attachment == GL_STENCIL_ATTACHMENT &&
 	         texObj == fb->Attachment[BUFFER_DEPTH].Texture) {
-	 /* As above, but with depth and stencil juxtasposed. */
+	 /* As above, but with depth and stencil juxtaposed. */
 	 reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
 	                                      BUFFER_DEPTH);
       } else {
@@ -2269,7 +2266,7 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
 
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   /* The error differs in GL andd GLES. */
+   /* The error differs in GL and GLES. */
    err = ctx->API == API_OPENGL ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
 
    buffer = get_framebuffer_target(ctx, target);
diff --git a/mesalib/src/mesa/main/format_pack.c b/mesalib/src/mesa/main/format_pack.c
index ea1d95ee9..ff08ac561 100644
--- a/mesalib/src/mesa/main/format_pack.c
+++ b/mesalib/src/mesa/main/format_pack.c
@@ -42,6 +42,14 @@
 #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
 
 
+/** Helper struct for MESA_FORMAT_Z32_FLOAT_X24S8 */
+struct z32f_x24s8
+{
+   float z;
+   uint32_t x24s8;
+};
+
+
 typedef void (*pack_ubyte_rgba_row_func)(GLuint n,
                                          const GLubyte src[][4], void *dst);
 
@@ -2372,10 +2380,10 @@ _mesa_pack_float_z_row(gl_format format, GLuint n,
       break;
    case MESA_FORMAT_Z32_FLOAT_X24S8:
       {
-         GLfloat *d = ((GLfloat *) dst);
+         struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst;
          GLuint i;
          for (i = 0; i < n; i++) {
-            d[i * 2] = src[i];
+            d[i].z = src[i];
          }
       }
       break;
@@ -2445,13 +2453,13 @@ _mesa_pack_uint_z_row(gl_format format, GLuint n,
       break;
    case MESA_FORMAT_Z32_FLOAT_X24S8:
       {
-         GLfloat *d = ((GLfloat *) dst);
+         struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst;
          const GLdouble scale = 1.0 / (GLdouble) 0xffffffff;
          GLuint i;
          for (i = 0; i < n; i++) {
-            d[i * 2] = src[i] * scale;
-            assert(d[i * 2] >= 0.0f);
-            assert(d[i * 2] <= 1.0f);
+            d[i].z = src[i] * scale;
+            assert(d[i].z >= 0.0f);
+            assert(d[i].z <= 1.0f);
          }
       }
       break;
@@ -2495,10 +2503,10 @@ _mesa_pack_ubyte_stencil_row(gl_format format, GLuint n,
       break;
    case MESA_FORMAT_Z32_FLOAT_X24S8:
       {
-         GLuint *d = dst;
+         struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst;
          GLuint i;
          for (i = 0; i < n; i++) {
-            d[i * 2 + 1] = src[i];
+            d[i].x24s8 = src[i];
          }
       }
       break;
@@ -2530,6 +2538,18 @@ _mesa_pack_uint_24_8_depth_stencil_row(gl_format format, GLuint n,
          }
       }
       break;
+   case MESA_FORMAT_Z32_FLOAT_X24S8:
+      {
+         const GLdouble scale = 1.0 / (GLdouble) 0xffffff;
+         struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst;
+         GLint i;
+         for (i = 0; i < n; i++) {
+            GLfloat z = (src[i] >> 8) * scale;
+            d[i].z = z;
+            d[i].x24s8 = src[i];
+         }
+      }
+      break;
    default:
       _mesa_problem(NULL, "bad format %s in _mesa_pack_ubyte_s_row",
                     _mesa_get_format_name(format));
diff --git a/mesalib/src/mesa/main/format_unpack.c b/mesalib/src/mesa/main/format_unpack.c
index a484979e2..b00e01236 100644
--- a/mesalib/src/mesa/main/format_unpack.c
+++ b/mesalib/src/mesa/main/format_unpack.c
@@ -29,6 +29,13 @@
 #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
 
 
+/** Helper struct for MESA_FORMAT_Z32_FLOAT_X24S8 */
+struct z32f_x24s8
+{
+   float z;
+   uint32_t x24s8;
+};
+
 
 /* Expand 1, 2, 3, 4, 5, 6-bit values to fill 8 bits */
 
@@ -2825,10 +2832,10 @@ unpack_float_z_Z32F(GLuint n, const void *src, GLfloat *dst)
 static void
 unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst)
 {
-   const GLfloat *s = ((const GLfloat *) src);
+   const struct z32f_x24s8 *s = (const struct z32f_x24s8 *) src;
    GLuint i;
    for (i = 0; i < n; i++) {
-      dst[i] = s[i * 2];
+      dst[i] = s[i].z;
    }
 }
 
@@ -2929,11 +2936,6 @@ unpack_uint_z_Z32_FLOAT(const void *src, GLuint *dst, GLuint n)
 static void
 unpack_uint_z_Z32_FLOAT_X24S8(const void *src, GLuint *dst, GLuint n)
 {
-   struct z32f_x24s8 {
-      float z;
-      uint32_t x24s8;
-   };
-
    const struct z32f_x24s8 *s = (const struct z32f_x24s8 *) src;
    GLuint i;
 
@@ -3015,10 +3017,10 @@ static void
 unpack_ubyte_s_Z32_FLOAT_X24S8(const void *src, GLubyte *dst, GLuint n)
 {
    GLuint i;
-   const GLuint *src32 = src;
+   const struct z32f_x24s8 *s = (const struct z32f_x24s8 *) src;
 
    for (i = 0; i < n; i++)
-      dst[i] = src32[i * 2 + 1] & 0xff;
+      dst[i] = s[i].x24s8 & 0xff;
 }
 
 void
diff --git a/mesalib/src/mesa/main/image.c b/mesalib/src/mesa/main/image.c
index 750db9444..b6c2645e9 100644
--- a/mesalib/src/mesa/main/image.c
+++ b/mesalib/src/mesa/main/image.c
@@ -428,6 +428,15 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx,
       }
       return GL_NO_ERROR;
 
+   case GL_UNSIGNED_INT_10F_11F_11F_REV:
+      if (!ctx->Extensions.EXT_packed_float) {
+         return GL_INVALID_ENUM;
+      }
+      if (format != GL_RGB) {
+         return GL_INVALID_OPERATION;
+      }
+      return GL_NO_ERROR;
+
    default:
       ; /* fall-through */
    }
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 5ef97c86c..9200f3fc4 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2483,7 +2483,7 @@ struct gl_shared_state
    struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS];
 
    /** Fallback texture used when a bound texture is incomplete */
-   struct gl_texture_object *FallbackTex;
+   struct gl_texture_object *FallbackTex[NUM_TEXTURE_TARGETS];
 
    /**
     * \name Thread safety and statechange notification for texture
diff --git a/mesalib/src/mesa/main/shared.c b/mesalib/src/mesa/main/shared.c
index c07ce8238..226947638 100644
--- a/mesalib/src/mesa/main/shared.c
+++ b/mesalib/src/mesa/main/shared.c
@@ -307,9 +307,11 @@ free_shared_state(struct gl_context *ctx, struct gl_shared_state *shared)
 {
    GLuint i;
 
-   /* Free the dummy/fallback texture object */
-   if (shared->FallbackTex)
-      ctx->Driver.DeleteTexture(ctx, shared->FallbackTex);
+   /* Free the dummy/fallback texture objects */
+   for (i = 0; i < NUM_TEXTURE_TARGETS; i++) {
+      if (shared->FallbackTex[i])
+         ctx->Driver.DeleteTexture(ctx, shared->FallbackTex[i]);
+   }
 
    /*
     * Free display lists
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index e4eb7f67d..9b6c6c896 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1083,11 +1083,13 @@ _mesa_init_teximage_fields(struct gl_context *ctx,
                            GLint border, GLenum internalFormat,
                            gl_format format)
 {
+   GLenum target;
    ASSERT(img);
    ASSERT(width >= 0);
    ASSERT(height >= 0);
    ASSERT(depth >= 0);
 
+   target = img->TexObject->Target;
    img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat );
    ASSERT(img->_BaseFormat > 0);
    img->InternalFormat = internalFormat;
@@ -1099,26 +1101,72 @@ _mesa_init_teximage_fields(struct gl_context *ctx,
    img->Width2 = width - 2 * border;   /* == 1 << img->WidthLog2; */
    img->WidthLog2 = _mesa_logbase2(img->Width2);
 
-   if (height == 1) { /* 1-D texture */
-      img->Height2 = 1;
+   switch(target) {
+   case GL_TEXTURE_1D:
+   case GL_TEXTURE_BUFFER:
+   case GL_PROXY_TEXTURE_1D:
+      if (height == 0)
+         img->Height2 = 0;
+      else
+         img->Height2 = 1;
       img->HeightLog2 = 0;
-   }
-   else {
+      if (depth == 0)
+         img->Depth2 = 0;
+      else
+         img->Depth2 = 1;
+      img->DepthLog2 = 0;
+      break;
+   case GL_TEXTURE_1D_ARRAY:
+   case GL_PROXY_TEXTURE_1D_ARRAY:
+      img->Height2 = height; /* no border */
+      img->HeightLog2 = 0; /* not used */
+      if (depth == 0)
+         img->Depth2 = 0;
+      else
+         img->Depth2 = 1;
+      img->DepthLog2 = 0;
+      break;
+   case GL_TEXTURE_2D:
+   case GL_TEXTURE_RECTANGLE:
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+   case GL_TEXTURE_EXTERNAL_OES:
+   case GL_PROXY_TEXTURE_2D:
+   case GL_PROXY_TEXTURE_RECTANGLE:
+   case GL_PROXY_TEXTURE_CUBE_MAP:
       img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
       img->HeightLog2 = _mesa_logbase2(img->Height2);
-   }
-
-   if (depth == 1) {  /* 2-D texture */
-      img->Depth2 = 1;
+      if (depth == 0)
+         img->Depth2 = 0;
+      else
+         img->Depth2 = 1;
       img->DepthLog2 = 0;
-   }
-   else {
+      break;
+   case GL_TEXTURE_2D_ARRAY:
+   case GL_PROXY_TEXTURE_2D_ARRAY:
+      img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
+      img->HeightLog2 = _mesa_logbase2(img->Height2);
+      img->Depth2 = depth; /* no border */
+      img->DepthLog2 = 0; /* not used */
+      break;
+   case GL_TEXTURE_3D:
+   case GL_PROXY_TEXTURE_3D:
+      img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
+      img->HeightLog2 = _mesa_logbase2(img->Height2);
       img->Depth2 = depth - 2 * border;   /* == 1 << img->DepthLog2; */
       img->DepthLog2 = _mesa_logbase2(img->Depth2);
+      break;
+   default:
+      _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()",
+                    target);
    }
 
    img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
-
    img->TexFormat = format;
 }
 
@@ -1852,6 +1900,17 @@ subtexture_error_check2( struct gl_context *ctx, GLuint dimensions,
       }         
    }
 
+   if (ctx->VersionMajor >= 3 || ctx->Extensions.EXT_texture_integer) {
+      /* both source and dest must be integer-valued, or neither */
+      if (_mesa_is_format_integer_color(destTex->TexFormat) !=
+          _mesa_is_integer_format(format)) {
+         _mesa_error(ctx, GL_INVALID_OPERATION,
+                     "glTexSubImage%dD(integer/non-integer format mismatch)",
+                     dimensions);
+         return GL_TRUE;
+      }
+   }
+
    return GL_FALSE;
 }
 
diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c
index 1b61d3a63..590594826 100644
--- a/mesalib/src/mesa/main/texobj.c
+++ b/mesalib/src/mesa/main/texobj.c
@@ -759,59 +759,127 @@ _mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
 
 
 /**
- * Return pointer to a default/fallback texture.
- * The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1).
- * That's the value a sampler should get when sampling from an
+ * Return pointer to a default/fallback texture of the given type/target.
+ * The texture is an RGBA texture with all texels = (0,0,0,1).
+ * That's the value a GLSL sampler should get when sampling from an
  * incomplete texture.
  */
 struct gl_texture_object *
-_mesa_get_fallback_texture(struct gl_context *ctx)
+_mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex)
 {
-   if (!ctx->Shared->FallbackTex) {
+   if (!ctx->Shared->FallbackTex[tex]) {
       /* create fallback texture now */
-      static GLubyte texels[8 * 8][4];
+      const GLsizei width = 1, height = 1, depth = 1;
+      GLubyte texel[4];
       struct gl_texture_object *texObj;
       struct gl_texture_image *texImage;
       gl_format texFormat;
-      GLuint i;
-
-      for (i = 0; i < 8 * 8; i++) {
-         texels[i][0] =
-         texels[i][1] =
-         texels[i][2] = 0x0;
-         texels[i][3] = 0xff;
+      GLuint dims, face, numFaces = 1;
+      GLenum target;
+
+      texel[0] =
+      texel[1] =
+      texel[2] = 0x0;
+      texel[3] = 0xff;
+
+      switch (tex) {
+      case TEXTURE_2D_ARRAY_INDEX:
+         dims = 3;
+         target = GL_TEXTURE_2D_ARRAY;
+         break;
+      case TEXTURE_1D_ARRAY_INDEX:
+         dims = 2;
+         target = GL_TEXTURE_1D_ARRAY;
+         break;
+      case TEXTURE_CUBE_INDEX:
+         dims = 2;
+         target = GL_TEXTURE_CUBE_MAP;
+         numFaces = 6;
+         break;
+      case TEXTURE_3D_INDEX:
+         dims = 3;
+         target = GL_TEXTURE_3D;
+         break;
+      case TEXTURE_RECT_INDEX:
+         dims = 2;
+         target = GL_TEXTURE_RECTANGLE;
+         break;
+      case TEXTURE_2D_INDEX:
+         dims = 2;
+         target = GL_TEXTURE_2D;
+         break;
+      case TEXTURE_1D_INDEX:
+         dims = 1;
+         target = GL_TEXTURE_1D;
+         break;
+      case TEXTURE_BUFFER_INDEX:
+      case TEXTURE_EXTERNAL_INDEX:
+      default:
+         /* no-op */
+         return NULL;
       }
 
       /* create texture object */
-      texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D);
+      texObj = ctx->Driver.NewTextureObject(ctx, 0, target);
+      if (!texObj)
+         return NULL;
+
       assert(texObj->RefCount == 1);
       texObj->Sampler.MinFilter = GL_NEAREST;
       texObj->Sampler.MagFilter = GL_NEAREST;
 
-      /* create level[0] texture image */
-      texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0);
-
       texFormat = ctx->Driver.ChooseTextureFormat(ctx, GL_RGBA, GL_RGBA,
                                                   GL_UNSIGNED_BYTE);
 
-      /* init the image fields */
-      _mesa_init_teximage_fields(ctx, texImage,
-                                 8, 8, 1, 0, GL_RGBA, texFormat); 
+      /* need a loop here just for cube maps */
+      for (face = 0; face < numFaces; face++) {
+         GLenum faceTarget;
 
-      ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
-
-      /* set image data */
-      ctx->Driver.TexImage2D(ctx, texImage, GL_RGBA,
-                             8, 8, 0,
-                             GL_RGBA, GL_UNSIGNED_BYTE, texels,
-                             &ctx->DefaultPacking);
+         if (target == GL_TEXTURE_CUBE_MAP)
+            faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
+         else
+            faceTarget = target;
+
+         /* initialize level[0] texture image */
+         texImage = _mesa_get_tex_image(ctx, texObj, faceTarget, 0);
+
+         _mesa_init_teximage_fields(ctx, texImage,
+                                    width,
+                                    (dims > 1) ? height : 1,
+                                    (dims > 2) ? depth : 1,
+                                    0, /* border */
+                                    GL_RGBA, texFormat);
+
+         switch (dims) {
+         case 1:
+            ctx->Driver.TexImage1D(ctx, texImage, GL_RGBA,
+                                   width, 0,
+                                   GL_RGBA, GL_UNSIGNED_BYTE, texel,
+                                   &ctx->DefaultPacking);
+            break;
+         case 2:
+            ctx->Driver.TexImage2D(ctx, texImage, GL_RGBA,
+                                   width, height, 0,
+                                   GL_RGBA, GL_UNSIGNED_BYTE, texel,
+                                   &ctx->DefaultPacking);
+            break;
+         case 3:
+            ctx->Driver.TexImage3D(ctx, texImage, GL_RGBA,
+                                   width, height, depth, 0,
+                                   GL_RGBA, GL_UNSIGNED_BYTE, texel,
+                                   &ctx->DefaultPacking);
+            break;
+         default:
+            _mesa_problem(ctx, "bad dims in _mesa_get_fallback_texture()");
+         }
+      }
 
       _mesa_test_texobj_completeness(ctx, texObj);
       assert(texObj->_Complete);
 
-      ctx->Shared->FallbackTex = texObj;
+      ctx->Shared->FallbackTex[tex] = texObj;
    }
-   return ctx->Shared->FallbackTex;
+   return ctx->Shared->FallbackTex[tex];
 }
 
 
diff --git a/mesalib/src/mesa/main/texobj.h b/mesalib/src/mesa/main/texobj.h
index 9ca7a4c9e..03dfbe304 100644
--- a/mesalib/src/mesa/main/texobj.h
+++ b/mesalib/src/mesa/main/texobj.h
@@ -34,8 +34,8 @@
 
 #include "compiler.h"
 #include "glheader.h"
+#include "mtypes.h"
 
-struct gl_context;
 
 /**
  * \name Internal functions
@@ -89,7 +89,7 @@ _mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
                    GLboolean invalidate_state);
 
 extern struct gl_texture_object *
-_mesa_get_fallback_texture(struct gl_context *ctx);
+_mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex);
 
 extern void
 _mesa_unlock_context_textures( struct gl_context *ctx );
diff --git a/mesalib/src/mesa/main/texstate.c b/mesalib/src/mesa/main/texstate.c
index cc49916a9..187ec9c36 100644
--- a/mesalib/src/mesa/main/texstate.c
+++ b/mesalib/src/mesa/main/texstate.c
@@ -586,9 +586,15 @@ update_texture_state( struct gl_context *ctx )
              * object, but there isn't one (or it's incomplete).  Use the
              * fallback texture.
              */
-            struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
-            texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
+            struct gl_texture_object *texObj;
+            gl_texture_index texTarget;
+
+            assert(_mesa_bitcount(enabledTargets) == 1);
+
+            texTarget = (gl_texture_index) (ffs(enabledTargets) - 1);
+            texObj = _mesa_get_fallback_texture(ctx, texTarget);
             _mesa_reference_texobj(&texUnit->_Current, texObj);
+            texUnit->_ReallyEnabled = 1 << texTarget;
          }
          else {
             /* fixed-function: texture unit is really disabled */
diff --git a/mesalib/src/mesa/main/varray.c b/mesalib/src/mesa/main/varray.c
index 77c1d7d9b..39d3a27e0 100644
--- a/mesalib/src/mesa/main/varray.c
+++ b/mesalib/src/mesa/main/varray.c
@@ -185,6 +185,7 @@ update_array(struct gl_context *ctx,
        (type == GL_UNSIGNED_INT_2_10_10_10_REV ||
         type == GL_INT_2_10_10_10_REV) && size != 4) {
       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(size=%d)", func, size);
+      return;
    }
 
    ASSERT(size <= 4);
@@ -482,6 +483,7 @@ _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 void GLAPIENTRY
 _mesa_EnableVertexAttribArrayARB(GLuint index)
 {
+   struct gl_array_object *arrayObj;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
@@ -491,18 +493,24 @@ _mesa_EnableVertexAttribArrayARB(GLuint index)
       return;
    }
 
-   ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
+   arrayObj = ctx->Array.ArrayObj;
+
+   ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
 
-   FLUSH_VERTICES(ctx, _NEW_ARRAY);
-   ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
-   ctx->Array.ArrayObj->_Enabled |= VERT_BIT_GENERIC(index);
-   ctx->Array.NewState |= VERT_BIT_GENERIC(index);
+   if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
+      /* was disabled, now being enabled */
+      FLUSH_VERTICES(ctx, _NEW_ARRAY);
+      arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
+      arrayObj->_Enabled |= VERT_BIT_GENERIC(index);
+      ctx->Array.NewState |= VERT_BIT_GENERIC(index);
+   }
 }
 
 
 void GLAPIENTRY
 _mesa_DisableVertexAttribArrayARB(GLuint index)
 {
+   struct gl_array_object *arrayObj;
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
@@ -512,12 +520,17 @@ _mesa_DisableVertexAttribArrayARB(GLuint index)
       return;
    }
 
-   ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
+   arrayObj = ctx->Array.ArrayObj;
+
+   ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
 
-   FLUSH_VERTICES(ctx, _NEW_ARRAY);
-   ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
-   ctx->Array.ArrayObj->_Enabled &= ~VERT_BIT_GENERIC(index);
-   ctx->Array.NewState |= VERT_BIT_GENERIC(index);
+   if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
+      /* was enabled, now being disabled */
+      FLUSH_VERTICES(ctx, _NEW_ARRAY);
+      arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
+      arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index);
+      ctx->Array.NewState |= VERT_BIT_GENERIC(index);
+   }
 }
 
 
@@ -1087,11 +1100,12 @@ _mesa_PrimitiveRestartIndex(GLuint index)
       return;
    }
 
-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
-   FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   ctx->Array.RestartIndex = index;
+   if (ctx->Array.RestartIndex != index) {
+      FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+      ctx->Array.RestartIndex = index;
+   }
 }
 
 
diff --git a/mesalib/src/mesa/main/version.h b/mesalib/src/mesa/main/version.h
index 35bf53392..94a9855d9 100644
--- a/mesalib/src/mesa/main/version.h
+++ b/mesalib/src/mesa/main/version.h
@@ -35,7 +35,7 @@ struct gl_context;
 #define MESA_MAJOR 8
 #define MESA_MINOR 1
 #define MESA_PATCH 0
-#define MESA_VERSION_STRING "8.0-devel"
+#define MESA_VERSION_STRING "8.1-devel"
 
 /* To make version comparison easy */
 #define MESA_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))