Merge remote-tracking branch 'public/master' into vulkan

1 files changed, 29 insertions, 10 deletions

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 2fdaba073a2..8748ab5c876 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -552,7 +552,6 @@ void st_init_extensions(struct pipe_screen *screen,
                         boolean has_lib_dxtc)
 {
    unsigned i;
-   int glsl_feature_level;
    GLboolean *extension_table = (GLboolean *) extensions;
 
    static const struct st_extension_cap_mapping cap_mapping[] = {
@@ -811,6 +810,7 @@ void st_init_extensions(struct pipe_screen *screen,
    extensions->EXT_texture_env_dot3 = GL_TRUE;
    extensions->EXT_vertex_array_bgra = GL_TRUE;
 
+   extensions->ATI_fragment_shader = GL_TRUE;
    extensions->ATI_texture_env_combine3 = GL_TRUE;
 
    extensions->MESA_pack_invert = GL_TRUE;
@@ -844,12 +844,8 @@ void st_init_extensions(struct pipe_screen *screen,
                           ARRAY_SIZE(vertex_mapping), PIPE_BUFFER,
                           PIPE_BIND_VERTEX_BUFFER);
 
-   /* 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 >= 410)
-      consts->GLSLVersion = 410;
+   /* Figure out GLSL support and set GLSLVersion to it. */
+   consts->GLSLVersion = screen->get_param(screen, PIPE_CAP_GLSL_FEATURE_LEVEL);
 
    _mesa_override_glsl_version(consts);
 
@@ -858,9 +854,9 @@ void st_init_extensions(struct pipe_screen *screen,
       consts->ForceGLSLVersion = options->force_glsl_version;
    }
 
-   if (glsl_feature_level >= 400)
+   if (consts->GLSLVersion >= 400)
       extensions->ARB_gpu_shader5 = GL_TRUE;
-   if (glsl_feature_level >= 410)
+   if (consts->GLSLVersion >= 410)
       extensions->ARB_shader_precision = GL_TRUE;
 
    /* This extension needs full OpenGL 3.2, but we don't know if that's
@@ -925,6 +921,23 @@ void st_init_extensions(struct pipe_screen *screen,
       extensions->ARB_sync = GL_TRUE;
    }
 
+   /* Needs PIPE_CAP_SAMPLE_SHADING + all the sample-related bits of
+    * ARB_gpu_shader5. This enables all the per-sample shading ES extensions.
+    */
+   extensions->OES_sample_variables = extensions->ARB_sample_shading &&
+      extensions->ARB_gpu_shader5;
+
+   /* If we don't have native ETC2 support, we don't keep track of the
+    * original ETC2 data. This is necessary to be able to copy images between
+    * compatible view classes.
+    */
+   if (extensions->ARB_copy_image && screen->is_format_supported(
+             screen, PIPE_FORMAT_ETC2_RGB8,
+             PIPE_TEXTURE_2D, 0,
+             PIPE_BIND_SAMPLER_VIEW)) {
+      extensions->OES_copy_image = GL_TRUE;
+   }
+
    /* Maximum sample count. */
    {
       enum pipe_format color_formats[] = {
@@ -1020,6 +1033,12 @@ void st_init_extensions(struct pipe_screen *screen,
                              PIPE_BIND_SAMPLER_VIEW);
    }
 
+   extensions->OES_texture_buffer =
+      extensions->ARB_texture_buffer_object &&
+      extensions->ARB_texture_buffer_range &&
+      extensions->ARB_texture_buffer_object_rgb32 &&
+      extensions->ARB_shader_image_load_store;
+
    /* Unpacking a varying in the fragment shader costs 1 texture indirection.
     * If the number of available texture indirections is very limited, then we
     * prefer to disable varying packing rather than run the risk of varying
@@ -1036,7 +1055,7 @@ void st_init_extensions(struct pipe_screen *screen,
 
    consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS);
    if (consts->MaxViewports >= 16) {
-      if (glsl_feature_level >= 400) {
+      if (consts->GLSLVersion >= 400) {
          consts->ViewportBounds.Min = -32768.0;
          consts->ViewportBounds.Max = 32767.0;
       } else {