Merge remote-tracking branch 'origin/released'

5 files changed, 27 insertions, 19 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_atom_texture.c b/mesalib/src/mesa/state_tracker/st_atom_texture.c
index eff28fc6f..04ba86448 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_texture.c
@@ -287,16 +287,22 @@ st_get_texture_sampler_view_from_stobj(struct st_context *st,
 				       enum pipe_format format)
 {
    struct pipe_sampler_view **sv;
-
+   const struct st_texture_image *firstImage;
    if (!stObj || !stObj->pt) {
       return NULL;
    }
 
    sv = st_texture_get_sampler_view(st, stObj);
 
-   if (stObj->base.StencilSampling &&
-       util_format_is_depth_and_stencil(format))
-      format = util_format_stencil_only(format);
+   if (util_format_is_depth_and_stencil(format)) {
+      if (stObj->base.StencilSampling)
+         format = util_format_stencil_only(format);
+      else {
+         firstImage = st_texture_image_const(_mesa_base_tex_image(&stObj->base));
+         if (firstImage->base._BaseFormat == GL_STENCIL_INDEX)
+            format = util_format_stencil_only(format);
+      }
+   }
 
    /* if sampler view has changed dereference it */
    if (*sv) {
diff --git a/mesalib/src/mesa/state_tracker/st_cb_flush.c b/mesalib/src/mesa/state_tracker/st_cb_flush.c
index 6df430049..ca51eeee3 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_flush.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_flush.c
@@ -152,7 +152,7 @@ void st_init_flush_functions(struct dd_function_table *functions)
     * Finish() is identical to Flush() in all cases - no differences in
     * rendering or ReadPixels are visible if we opt not to wait here.
     *
-    * Only set this up on windows to avoid suprise elsewhere.
+    * Only set this up on Windows to avoid surprise elsewhere.
     */
 #ifdef PIPE_OS_WINDOWS
    functions->Finish = st_glFlush;
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index bdf236e82..7ea3846ff 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -950,7 +950,7 @@ st_GetTexImage(struct gl_context * ctx,
 
    /* XXX Fallback to _mesa_GetTexImage_sw for depth-stencil formats
     * due to an incomplete stencil blit implementation in some drivers. */
-   if (format == GL_DEPTH_STENCIL) {
+   if (format == GL_DEPTH_STENCIL || format == GL_STENCIL_INDEX) {
       goto fallback;
    }
 
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index bc20f7323..82e4a3009 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -650,12 +650,15 @@ void st_init_extensions(struct pipe_screen *screen,
                           ARRAY_SIZE(vertex_mapping), PIPE_BUFFER,
                           PIPE_BIND_VERTEX_BUFFER);
 
+   if (extensions->ARB_stencil_texturing)
+      extensions->ARB_texture_stencil8 = GL_TRUE;
+
    /* Figure out GLSL support. */
    glsl_feature_level = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL);
 
    consts->GLSLVersion = glsl_feature_level;
-   if (glsl_feature_level >= 330)
-      consts->GLSLVersion = 330;
+   if (glsl_feature_level >= 410)
+      consts->GLSLVersion = 410;
 
    _mesa_override_glsl_version(consts);
 
@@ -666,6 +669,8 @@ void st_init_extensions(struct pipe_screen *screen,
 
    if (glsl_feature_level >= 400)
       extensions->ARB_gpu_shader5 = GL_TRUE;
+   if (glsl_feature_level >= 410)
+      extensions->ARB_shader_precision = GL_TRUE;
 
    /* This extension needs full OpenGL 3.2, but we don't know if that's
     * supported at this point. Only check the GLSL version. */
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 72dbf3bd4..181465dd8 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1942,11 +1942,6 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
                        GLint internalFormat,
                        GLenum format, GLenum type)
 {
-   const boolean want_renderable =
-      internalFormat == 3 || internalFormat == 4 ||
-      internalFormat == GL_RGB || internalFormat == GL_RGBA ||
-      internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
-      internalFormat == GL_BGRA;
    struct st_context *st = st_context(ctx);
    enum pipe_format pFormat;
    unsigned bindings;
@@ -1962,15 +1957,17 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
    }
 
    /* GL textures may wind up being render targets, but we don't know
-    * that in advance.  Specify potential render target flags now.
+    * that in advance.  Specify potential render target flags now for formats
+    * that we know should always be renderable.
     */
    bindings = PIPE_BIND_SAMPLER_VIEW;
-   if (want_renderable) {
-      if (_mesa_is_depth_or_stencil_format(internalFormat))
-	 bindings |= PIPE_BIND_DEPTH_STENCIL;
-      else
+   if (_mesa_is_depth_or_stencil_format(internalFormat))
+      bindings |= PIPE_BIND_DEPTH_STENCIL;
+   else if (internalFormat == 3 || internalFormat == 4 ||
+            internalFormat == GL_RGB || internalFormat == GL_RGBA ||
+            internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
+            internalFormat == GL_BGRA)
 	 bindings |= PIPE_BIND_RENDER_TARGET;
-   }
 
    /* GLES allows the driver to choose any format which matches
     * the format+type combo, because GLES only supports unsized internal