Merge branch 'mesa_7_5_branch'

Conflicts:

	src/mesa/drivers/dri/i915/i915_tex_layout.c
	src/mesa/drivers/dri/i965/brw_wm_glsl.c
	src/mesa/drivers/dri/intel/intel_buffer_objects.c
	src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
	src/mesa/drivers/dri/intel/intel_pixel_draw.c
	src/mesa/main/enums.c
	src/mesa/main/texstate.c
	src/mesa/vbo/vbo_exec_array.c

7 files changed, 40 insertions, 19 deletions

diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
index 93103fe878..e79bbc2ac5 100644
--- a/src/mesa/main/compiler.h
+++ b/src/mesa/main/compiler.h
@@ -468,9 +468,9 @@ do {                                                                    \
 #endif
 
 
-
+#ifndef Elements
 #define Elements(x) (sizeof(x)/sizeof(*(x)))
-
+#endif
 
 
 
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index eafe292a1f..a0681c8414 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1259,6 +1259,24 @@ initialize_framebuffer_size(GLcontext *ctx, GLframebuffer *fb)
 
 
 /**
+ * Check if the viewport/scissor size has not yet been initialized.
+ * Initialize the size if the given width and height are non-zero.
+ */
+void
+_mesa_check_init_viewport(GLcontext *ctx, GLuint width, GLuint height)
+{
+   if (!ctx->ViewportInitialized && width > 0 && height > 0) {
+      /* Note: set flag here, before calling _mesa_set_viewport(), to prevent
+       * potential infinite recursion.
+       */
+      ctx->ViewportInitialized = GL_TRUE;
+      _mesa_set_viewport(ctx, 0, 0, width, height);
+      _mesa_set_scissor(ctx, 0, 0, width, height);
+   }
+}
+
+
+/**
  * Bind the given context to the given drawBuffer and readBuffer and
  * make it the current context for the calling thread.
  * We'll render into the drawBuffer and read pixels from the
@@ -1375,25 +1393,24 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
          ASSERT(drawBuffer->Height > 0);
 #endif
 
-         if (newCtx->FirstTimeCurrent) {
-            /* set initial viewport and scissor size now */
-            _mesa_set_viewport(newCtx, 0, 0,
-                               drawBuffer->Width, drawBuffer->Height);
-	    _mesa_set_scissor(newCtx, 0, 0,
-			      drawBuffer->Width, drawBuffer->Height );
-            check_context_limits(newCtx);
+         if (drawBuffer) {
+            _mesa_check_init_viewport(newCtx,
+                                      drawBuffer->Width, drawBuffer->Height);
          }
       }
 
-      /* We can use this to help debug user's problems.  Tell them to set
-       * the MESA_INFO env variable before running their app.  Then the
-       * first time each context is made current we'll print some useful
-       * information.
-       */
       if (newCtx->FirstTimeCurrent) {
+         check_context_limits(newCtx);
+
+         /* We can use this to help debug user's problems.  Tell them to set
+          * the MESA_INFO env variable before running their app.  Then the
+          * first time each context is made current we'll print some useful
+          * information.
+          */
 	 if (_mesa_getenv("MESA_INFO")) {
 	    _mesa_print_info();
 	 }
+
 	 newCtx->FirstTimeCurrent = GL_FALSE;
       }
    }
diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h
index 6b3e1b2b97..0531ae8ee8 100644
--- a/src/mesa/main/context.h
+++ b/src/mesa/main/context.h
@@ -130,6 +130,9 @@ extern void
 _mesa_copy_context(const GLcontext *src, GLcontext *dst, GLuint mask);
 
 
+extern void
+_mesa_check_init_viewport(GLcontext *ctx, GLuint width, GLuint height);
+
 extern GLboolean
 _mesa_make_current( GLcontext *ctx, GLframebuffer *drawBuffer,
                     GLframebuffer *readBuffer );
diff --git a/src/mesa/main/enums.c b/src/mesa/main/enums.c
index 2745fb3d66..87ff67dd11 100644
--- a/src/mesa/main/enums.c
+++ b/src/mesa/main/enums.c
@@ -958,8 +958,8 @@ LONGSTRING static const char enum_string_table[] =
    "GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV\0"
    "GL_MAX_VARYING_FLOATS\0"
    "GL_MAX_VARYING_FLOATS_ARB\0"
-   "GL_MAX_VERTEX_ATTRIBS\0"
-   "GL_MAX_VERTEX_ATTRIBS_ARB\0"
+   "GL_MAX_VERTEX_GENERIC_ATTRIBS\0"
+   "GL_MAX_VERTEX_GENERIC_ATTRIBS_ARB\0"
    "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS\0"
    "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB\0"
    "GL_MAX_VERTEX_UNIFORM_COMPONENTS\0"
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 872982fa43..3dca09d9f2 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -1601,9 +1601,6 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target,
          return;
       }
 
-      if (dstImage->ImageOffsets)
-         _mesa_free(dstImage->ImageOffsets);
-
       /* Free old image data */
       if (dstImage->Data)
          ctx->Driver.FreeTexImageData(ctx, dstImage);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 0c071ee19a..d1614af736 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2979,6 +2979,8 @@ struct __GLcontextRec
    GLenum RenderMode;        /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
    GLbitfield NewState;      /**< bitwise-or of _NEW_* flags */
 
+   GLboolean ViewportInitialized;  /**< has viewport size been initialized? */
+
    GLbitfield varying_vp_inputs;  /**< mask of VERT_BIT_* flags */
 
    /** \name Derived state */
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 76b46d700b..6e21066537 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1250,6 +1250,8 @@ _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
     * We allocate the array for 1D/2D textures too in order to avoid special-
     * case code in the texstore routines.
     */
+   if (img->ImageOffsets)
+      _mesa_free(img->ImageOffsets);
    img->ImageOffsets = (GLuint *) _mesa_malloc(depth * sizeof(GLuint));
    for (i = 0; i < depth; i++) {
       img->ImageOffsets[i] = i * width * height;