Merge branch 'mesa_7_6_branch'

Conflicts:

	src/mesa/vbo/vbo_exec_array.c

3 files changed, 14 insertions, 7 deletions

diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 4c1f46102d..8e6b01f73b 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -233,7 +233,7 @@ enable_texture(GLcontext *ctx, GLboolean state, GLbitfield texBit)
    const GLbitfield newenabled = state
       ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit);
 
-   if (!ctx->DrawBuffer->Visual.rgbMode || texUnit->Enabled == newenabled)
+   if (texUnit->Enabled == newenabled)
        return GL_FALSE;
 
    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@@ -935,11 +935,6 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state)
       /* GL_EXT_depth_bounds_test */
       case GL_DEPTH_BOUNDS_TEST_EXT:
          CHECK_EXTENSION(EXT_depth_bounds_test, cap);
-         if (state && ctx->DrawBuffer->Visual.depthBits == 0) {
-            _mesa_warning(ctx,
-                   "glEnable(GL_DEPTH_BOUNDS_TEST_EXT) but no depth buffer");
-            return;
-         }
          if (ctx->Depth.BoundsTest == state)
             return;
          FLUSH_VERTICES(ctx, _NEW_DEPTH);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index ae169fb9db..54fa8981dd 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2080,6 +2080,7 @@ struct gl_shader_state
    GLboolean EmitContReturn;            /**< Emit CONT/RET opcodes? */
    GLboolean EmitCondCodes;             /**< Use condition codes? */
    GLboolean EmitComments;              /**< Annotated instructions */
+   GLboolean EmitNVTempInitialization;  /**< 0-fill NV temp registers */
    void *MemPool;
    GLbitfield Flags;                    /**< Mask of GLSL_x flags */
    struct gl_sl_pragmas DefaultPragmas; /**< Default #pragma settings */
diff --git a/src/mesa/main/texrender.c b/src/mesa/main/texrender.c
index cc74d58fbd..53be83b05c 100644
--- a/src/mesa/main/texrender.c
+++ b/src/mesa/main/texrender.c
@@ -398,6 +398,14 @@ texture_put_mono_values(GLcontext *ctx, struct gl_renderbuffer *rb,
 
 
 static void
+store_nop(struct gl_texture_image *texImage,
+          GLint col, GLint row, GLint img,
+          const void *texel)
+{
+}
+
+
+static void
 delete_texture_wrapper(struct gl_renderbuffer *rb)
 {
    ASSERT(rb->RefCount == 0);
@@ -462,7 +470,10 @@ update_wrapper(GLcontext *ctx, const struct gl_renderbuffer_attachment *att)
    ASSERT(trb->TexImage);
 
    trb->Store = trb->TexImage->TexFormat->StoreTexel;
-   ASSERT(trb->Store);
+   if (!trb->Store) {
+      /* we'll never draw into some textures (compressed formats) */
+      trb->Store = store_nop;
+   }
 
    if (att->Texture->Target == GL_TEXTURE_1D_ARRAY_EXT) {
       trb->Yoffset = att->Zoffset;