4 files changed, 28 insertions, 7 deletions

diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 33b00c680..fc494f748 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -3051,6 +3051,7 @@ struct gl_matrix_stack
 #define _NEW_PROGRAM_CONSTANTS (1 << 27)
 #define _NEW_BUFFER_OBJECT     (1 << 28)
 #define _NEW_FRAG_CLAMP        (1 << 29)
+#define _NEW_TRANSFORM_FEEDBACK (1 << 30) /**< gl_context::TransformFeedback */
 #define _NEW_ALL ~0
 /*@}*/
 
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index 99905de3a..8a002b675 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1636,7 +1636,8 @@ texture_error_check( struct gl_context *ctx,
 
    /* additional checks for depth textures */
    if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) {
-      /* Only 1D, 2D, rect and array textures supported, not 3D or cubes */
+      /* Only 1D, 2D, rect, array and cube textures supported, not 3D
+       * Cubemaps are only supported for GL version > 3.0 or with EXT_gpu_shader4 */
       if (target != GL_TEXTURE_1D &&
           target != GL_PROXY_TEXTURE_1D &&
           target != GL_TEXTURE_2D &&
@@ -1646,7 +1647,9 @@ texture_error_check( struct gl_context *ctx,
           target != GL_TEXTURE_2D_ARRAY &&
           target != GL_PROXY_TEXTURE_2D_ARRAY &&
           target != GL_TEXTURE_RECTANGLE_ARB &&
-          target != GL_PROXY_TEXTURE_RECTANGLE_ARB) {
+          target != GL_PROXY_TEXTURE_RECTANGLE_ARB &&
+         !((_mesa_is_cube_face(target) || target == GL_PROXY_TEXTURE_CUBE_MAP) &&
+           (ctx->VersionMajor >= 3 || ctx->Extensions.EXT_gpu_shader4))) {
          if (!isProxy)
             _mesa_error(ctx, GL_INVALID_ENUM,
                         "glTexImage(target/internalFormat)");
diff --git a/mesalib/src/mesa/main/transformfeedback.c b/mesalib/src/mesa/main/transformfeedback.c
index 11abd037d..799245d4e 100644
--- a/mesalib/src/mesa/main/transformfeedback.c
+++ b/mesalib/src/mesa/main/transformfeedback.c
@@ -376,6 +376,7 @@ _mesa_BeginTransformFeedback(GLenum mode)
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM_FEEDBACK);
    obj->Active = GL_TRUE;
    ctx->TransformFeedback.Mode = mode;
 
@@ -398,6 +399,7 @@ _mesa_EndTransformFeedback(void)
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM_FEEDBACK);
    ctx->TransformFeedback.CurrentObject->Active = GL_FALSE;
 
    assert(ctx->Driver.EndTransformFeedback);
@@ -415,6 +417,7 @@ bind_buffer_range(struct gl_context *ctx, GLuint index,
 {
    struct gl_transform_feedback_object *obj =
       ctx->TransformFeedback.CurrentObject;
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM_FEEDBACK);
 
    /* The general binding point */
    _mesa_reference_buffer_object(ctx,
@@ -650,7 +653,9 @@ _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
 
    shProg->TransformFeedback.BufferMode = bufferMode;
 
-   /* The varyings won't be used until shader link time */
+   /* No need to set _NEW_TRANSFORM_FEEDBACK (or invoke FLUSH_VERTICES) since
+    * the varyings won't be used until shader link time.
+    */
 }
 
 
@@ -874,6 +879,7 @@ _mesa_PauseTransformFeedback(void)
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM_FEEDBACK);
    obj->Paused = GL_TRUE;
 
    assert(ctx->Driver.PauseTransformFeedback);
@@ -899,6 +905,7 @@ _mesa_ResumeTransformFeedback(void)
       return;
    }
 
+   FLUSH_VERTICES(ctx, _NEW_TRANSFORM_FEEDBACK);
    obj->Paused = GL_FALSE;
 
    assert(ctx->Driver.ResumeTransformFeedback);
diff --git a/mesalib/src/mesa/swrast/s_texfilter.c b/mesalib/src/mesa/swrast/s_texfilter.c
index fb172f3a8..21b55a801 100644
--- a/mesalib/src/mesa/swrast/s_texfilter.c
+++ b/mesalib/src/mesa/swrast/s_texfilter.c
@@ -3437,7 +3437,8 @@ sample_depth_texture( struct gl_context *ctx,
           tObj->Target == GL_TEXTURE_2D ||
           tObj->Target == GL_TEXTURE_RECTANGLE_NV ||
           tObj->Target == GL_TEXTURE_1D_ARRAY_EXT ||
-          tObj->Target == GL_TEXTURE_2D_ARRAY_EXT);
+          tObj->Target == GL_TEXTURE_2D_ARRAY_EXT ||
+          tObj->Target == GL_TEXTURE_CUBE_MAP);
 
    ambient = tObj->Sampler.CompareFailValue;
 
@@ -3684,7 +3685,10 @@ _swrast_choose_texture_sample_func( struct gl_context *ctx,
             return &sample_nearest_3d;
          }
       case GL_TEXTURE_CUBE_MAP:
-         if (needLambda) {
+         if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL_EXT) {
+	    return &sample_depth_texture;
+	 }
+	 else if (needLambda) {
             return &sample_lambda_cube;
          }
          else if (t->Sampler.MinFilter == GL_LINEAR) {
@@ -3709,7 +3713,10 @@ _swrast_choose_texture_sample_func( struct gl_context *ctx,
             return &sample_nearest_rect;
          }
       case GL_TEXTURE_1D_ARRAY_EXT:
-         if (needLambda) {
+         if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL_EXT) {
+            return &sample_depth_texture;
+         }
+	 else if (needLambda) {
             return &sample_lambda_1d_array;
          }
          else if (t->Sampler.MinFilter == GL_LINEAR) {
@@ -3720,7 +3727,10 @@ _swrast_choose_texture_sample_func( struct gl_context *ctx,
             return &sample_nearest_1d_array;
          }
       case GL_TEXTURE_2D_ARRAY_EXT:
-         if (needLambda) {
+         if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL_EXT) {
+            return &sample_depth_texture;
+         }
+	 else if (needLambda) {
             return &sample_lambda_2d_array;
          }
          else if (t->Sampler.MinFilter == GL_LINEAR) {