Merge remote-tracking branch 'origin/released'

* origin/released:
  libxtrans mesa git update 22 nov 2013

9 files changed, 157 insertions, 31 deletions

diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 99b02baad..7b41876b9 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -241,9 +241,11 @@ struct clear_state
    GLuint VBO;
    GLuint ShaderProg;
    GLint ColorLocation;
+   GLint LayerLocation;
 
    GLuint IntegerShaderProg;
    GLint IntegerColorLocation;
+   GLint IntegerLayerLocation;
 };
 
 
@@ -2145,6 +2147,19 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
       "{\n"
       "   gl_Position = position;\n"
       "}\n";
+   const char *gs_source =
+      "#version 150\n"
+      "layout(triangles) in;\n"
+      "layout(triangle_strip, max_vertices = 4) out;\n"
+      "uniform int layer;\n"
+      "void main()\n"
+      "{\n"
+      "  for (int i = 0; i < 3; i++) {\n"
+      "    gl_Layer = layer;\n"
+      "    gl_Position = gl_in[i].gl_Position;\n"
+      "    EmitVertex();\n"
+      "  }\n"
+      "}\n";
    const char *fs_source =
       "#ifdef GL_ES\n"
       "precision highp float;\n"
@@ -2154,7 +2169,7 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
       "{\n"
       "   gl_FragColor = color;\n"
       "}\n";
-   GLuint vs, fs;
+   GLuint vs, gs = 0, fs;
    bool has_integer_textures;
 
    if (clear->ArrayObj != 0)
@@ -2176,6 +2191,12 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
    _mesa_ShaderSource(vs, 1, &vs_source, NULL);
    _mesa_CompileShader(vs);
 
+   if (_mesa_has_geometry_shaders(ctx)) {
+      gs = _mesa_CreateShaderObjectARB(GL_GEOMETRY_SHADER);
+      _mesa_ShaderSource(gs, 1, &gs_source, NULL);
+      _mesa_CompileShader(gs);
+   }
+
    fs = _mesa_CreateShaderObjectARB(GL_FRAGMENT_SHADER);
    _mesa_ShaderSource(fs, 1, &fs_source, NULL);
    _mesa_CompileShader(fs);
@@ -2183,6 +2204,8 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
    clear->ShaderProg = _mesa_CreateProgramObjectARB();
    _mesa_AttachShader(clear->ShaderProg, fs);
    _mesa_DeleteObjectARB(fs);
+   if (gs != 0)
+      _mesa_AttachShader(clear->ShaderProg, gs);
    _mesa_AttachShader(clear->ShaderProg, vs);
    _mesa_DeleteObjectARB(vs);
    _mesa_BindAttribLocation(clear->ShaderProg, 0, "position");
@@ -2190,6 +2213,10 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
 
    clear->ColorLocation = _mesa_GetUniformLocation(clear->ShaderProg,
 						      "color");
+   if (gs != 0) {
+      clear->LayerLocation = _mesa_GetUniformLocation(clear->ShaderProg,
+						      "layer");
+   }
 
    has_integer_textures = _mesa_is_gles3(ctx) ||
       (_mesa_is_desktop_gl(ctx) && ctx->Const.GLSLVersion >= 130);
@@ -2227,6 +2254,8 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
       clear->IntegerShaderProg = _mesa_CreateProgramObjectARB();
       _mesa_AttachShader(clear->IntegerShaderProg, fs);
       _mesa_DeleteObjectARB(fs);
+      if (gs != 0)
+         _mesa_AttachShader(clear->IntegerShaderProg, gs);
       _mesa_AttachShader(clear->IntegerShaderProg, vs);
       _mesa_DeleteObjectARB(vs);
       _mesa_BindAttribLocation(clear->IntegerShaderProg, 0, "position");
@@ -2240,7 +2269,13 @@ meta_glsl_clear_init(struct gl_context *ctx, struct clear_state *clear)
 
       clear->IntegerColorLocation =
 	 _mesa_GetUniformLocation(clear->IntegerShaderProg, "color");
+      if (gs != 0) {
+         clear->IntegerLayerLocation =
+            _mesa_GetUniformLocation(clear->IntegerShaderProg, "layer");
+      }
    }
+   if (gs != 0)
+      _mesa_DeleteObjectARB(gs);
 }
 
 static void
@@ -2371,8 +2406,19 @@ _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers)
    _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts,
 		       GL_DYNAMIC_DRAW_ARB);
 
-   /* draw quad */
-   _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
+   /* draw quad(s) */
+   if (fb->NumLayers > 0) {
+      unsigned layer;
+      for (layer = 0; layer < fb->NumLayers; layer++) {
+         if (fb->_IntegerColor)
+            _mesa_Uniform1i(clear->IntegerLayerLocation, layer);
+         else
+            _mesa_Uniform1i(clear->LayerLocation, layer);
+         _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
+      }
+   } else {
+      _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
+   }
 
    _mesa_meta_end(ctx);
 }
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index e0aee7a35..50c2f385a 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -1535,7 +1535,7 @@ _mesa_make_current( struct gl_context *newCtx,
           * information.
           */
 	 if (_mesa_getenv("MESA_INFO")) {
-	    _mesa_print_info();
+	    _mesa_print_info(newCtx);
 	 }
 
 	 newCtx->FirstTimeCurrent = GL_FALSE;
diff --git a/mesalib/src/mesa/main/debug.c b/mesalib/src/mesa/main/debug.c
index 9434c1ea2..99b214789 100644
--- a/mesalib/src/mesa/main/debug.c
+++ b/mesalib/src/mesa/main/debug.c
@@ -103,7 +103,7 @@ _mesa_print_state( const char *msg, GLuint state )
 /**
  * Print information about this Mesa version and build options.
  */
-void _mesa_print_info( void )
+void _mesa_print_info( struct gl_context *ctx )
 {
    _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
 	   (char *) _mesa_GetString(GL_VERSION));
@@ -111,8 +111,12 @@ void _mesa_print_info( void )
 	   (char *) _mesa_GetString(GL_RENDERER));
    _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
 	   (char *) _mesa_GetString(GL_VENDOR));
-   _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
-	   (char *) _mesa_GetString(GL_EXTENSIONS));
+
+   /* use ctx as GL_EXTENSIONS will not work on 3.0 or higher
+    * core contexts.
+    */
+   _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n", ctx->Extensions.String);
+
 #if defined(THREADS)
    _mesa_debug(NULL, "Mesa thread-safe: YES\n");
 #else
diff --git a/mesalib/src/mesa/main/debug.h b/mesalib/src/mesa/main/debug.h
index 8414c5ebd..902f59538 100644
--- a/mesalib/src/mesa/main/debug.h
+++ b/mesalib/src/mesa/main/debug.h
@@ -43,7 +43,7 @@ struct gl_texture_image;
 
 extern void _mesa_print_enable_flags( const char *msg, GLuint flags );
 extern void _mesa_print_state( const char *msg, GLuint state );
-extern void _mesa_print_info( void );
+extern void _mesa_print_info( struct gl_context *ctx );
 extern void _mesa_init_debug( struct gl_context *ctx );
 
 extern void
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 9dd71612f..365062729 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -905,6 +905,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
       struct gl_renderbuffer_attachment *att;
       GLenum f;
       gl_format attFormat;
+      GLenum att_tex_target = GL_NONE;
 
       /*
        * XXX for ARB_fbo, only check color buffers that are named by
@@ -945,6 +946,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
        */
       if (att->Type == GL_TEXTURE) {
          const struct gl_texture_image *texImg = att->Renderbuffer->TexImage;
+         att_tex_target = att->Texture->Target;
          minWidth = MIN2(minWidth, texImg->Width);
          maxWidth = MAX2(maxWidth, texImg->Width);
          minHeight = MIN2(minHeight, texImg->Height);
@@ -1057,7 +1059,14 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
       }
 
       /* Check that layered rendering is consistent. */
-      att_layer_count = att->Layered ? att->Renderbuffer->Depth : 0;
+      if (att->Layered) {
+         if (att_tex_target == GL_TEXTURE_CUBE_MAP)
+            att_layer_count = 6;
+         else
+            att_layer_count = att->Renderbuffer->Depth;
+      } else {
+         att_layer_count = 0;
+      }
       if (!layer_count_valid) {
          layer_count = att_layer_count;
          layer_count_valid = true;
@@ -1073,7 +1082,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
       }
    }
 
-   fb->Layered = layer_count > 0;
+   fb->NumLayers = layer_count;
 
    if (_mesa_is_desktop_gl(ctx) && !ctx->Extensions.ARB_ES2_compatibility) {
       /* Check that all DrawBuffers are present */
@@ -2298,8 +2307,13 @@ reuse_framebuffer_texture_attachment(struct gl_framebuffer *fb,
 /**
  * Common code called by glFramebufferTexture1D/2D/3DEXT() and
  * glFramebufferTextureLayerEXT().
- * Note: glFramebufferTextureLayerEXT() has no textarget parameter so we'll
- * get textarget=0 in that case.
+ *
+ * \param textarget is the textarget that was passed to the
+ * glFramebufferTexture...() function, or 0 if the corresponding function
+ * doesn't have a textarget parameter.
+ *
+ * \param layered is true if this function was called from
+ * glFramebufferTexture(), false otherwise.
  */
 static void
 framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target, 
@@ -2334,16 +2348,46 @@ framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
       texObj = _mesa_lookup_texture(ctx, texture);
       if (texObj != NULL) {
          if (textarget == 0) {
-            /* If textarget == 0 it means we're being called by
-             * glFramebufferTextureLayer() and textarget is not used.
-             * The only legal texture types for that function are 3D and
-             * 1D/2D arrays textures.
-             */
-            err = (texObj->Target != GL_TEXTURE_3D) &&
-                (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
-                (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT) &&
-                (texObj->Target != GL_TEXTURE_CUBE_MAP_ARRAY) &&
-                (texObj->Target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
+            if (layered) {
+               /* We're being called by glFramebufferTexture() and textarget
+                * is not used.
+                */
+               switch (texObj->Target) {
+               case GL_TEXTURE_3D:
+               case GL_TEXTURE_1D_ARRAY_EXT:
+               case GL_TEXTURE_2D_ARRAY_EXT:
+               case GL_TEXTURE_CUBE_MAP:
+               case GL_TEXTURE_CUBE_MAP_ARRAY:
+               case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+                  err = false;
+                  break;
+               case GL_TEXTURE_1D:
+               case GL_TEXTURE_2D:
+               case GL_TEXTURE_RECTANGLE:
+               case GL_TEXTURE_2D_MULTISAMPLE:
+                  /* These texture types are valid to pass to
+                   * glFramebufferTexture(), but since they aren't layered, it
+                   * is equivalent to calling glFramebufferTexture{1D,2D}().
+                   */
+                  err = false;
+                  layered = false;
+                  textarget = texObj->Target;
+                  break;
+               default:
+                  err = true;
+                  break;
+               }
+            } else {
+               /* We're being called by glFramebufferTextureLayer() and
+                * textarget is not used.  The only legal texture types for
+                * that function are 3D and 1D/2D arrays textures.
+                */
+               err = (texObj->Target != GL_TEXTURE_3D) &&
+                  (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
+                  (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT) &&
+                  (texObj->Target != GL_TEXTURE_CUBE_MAP_ARRAY) &&
+                  (texObj->Target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
+            }
          }
          else {
             /* Make sure textarget is consistent with the texture's type */
@@ -2920,6 +2964,18 @@ _mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
                        " invalid FBO attachment structure");
       }
       return;
+   case GL_FRAMEBUFFER_ATTACHMENT_LAYERED:
+      if (!_mesa_has_geometry_shaders(ctx)) {
+         goto invalid_pname_enum;
+      } else if (att->Type == GL_TEXTURE) {
+         *params = att->Layered;
+      } else if (att->Type == GL_NONE) {
+         _mesa_error(ctx, err,
+                     "glGetFramebufferAttachmentParameteriv(pname)");
+      } else {
+         goto invalid_pname_enum;
+      }
+      return;
    default:
       goto invalid_pname_enum;
    }
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 8801d6f61..ecfb5e08f 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2994,7 +2994,13 @@ struct gl_framebuffer
    struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS];
    struct gl_renderbuffer *_ColorReadBuffer;
 
-   GLboolean Layered;
+   /**
+    * The number of layers in the framebuffer, or 0 if the framebuffer is not
+    * layered.  For cube maps, this value is 6.  For cube map arrays, this
+    * value is the "depth" value passed to TexImage3D (always a multiple of
+    * 6).
+    */
+   GLuint NumLayers;
 
    /** Delete this framebuffer */
    void (*Delete)(struct gl_framebuffer *fb);
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index d56b7d9d7..7092c630b 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -684,11 +684,8 @@ set_tex_parameterf(struct gl_context *ctx,
       return GL_FALSE;
 
    case GL_TEXTURE_LOD_BIAS:
-      /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias.
-       * It was removed in core-profile, and it has never existed in OpenGL
-       * ES.
-       */
-      if (ctx->API != API_OPENGL_COMPAT)
+      /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias. */
+      if (_mesa_is_gles(ctx))
          goto invalid_pname;
 
       if (!target_allows_setting_sampler_parameters(texObj->Target))
@@ -1513,7 +1510,7 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
          *params = (GLfloat) obj->DepthMode;
          break;
       case GL_TEXTURE_LOD_BIAS:
-         if (ctx->API != API_OPENGL_COMPAT)
+         if (_mesa_is_gles(ctx))
             goto invalid_pname;
 
          *params = obj->Sampler.LodBias;
@@ -1701,10 +1698,13 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
          *params = (GLint) obj->DepthMode;
          break;
       case GL_TEXTURE_LOD_BIAS:
-         if (ctx->API != API_OPENGL_COMPAT)
+         if (_mesa_is_gles(ctx))
             goto invalid_pname;
 
-         *params = (GLint) obj->Sampler.LodBias;
+         /* GL spec 'Data Conversions' section specifies that floating-point
+          * value in integer Get function is rounded to nearest integer
+          */
+         *params = IROUND(obj->Sampler.LodBias);
          break;
       case GL_TEXTURE_CROP_RECT_OES:
          if (ctx->API != API_OPENGLES || !ctx->Extensions.OES_draw_texture)
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 6319079d5..74b3e5b58 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4889,6 +4889,13 @@ st_translate_program(
          t->outputs[i] = ureg_DECL_output(ureg,
                                           outputSemanticName[i],
                                           outputSemanticIndex[i]);
+         if (outputSemanticName[i] == TGSI_SEMANTIC_FOG) {
+            /* force register to contain a fog coordinate in the form (F, 0, 0, 1). */
+            ureg_MOV(ureg,
+                     ureg_writemask(t->outputs[i], TGSI_WRITEMASK_XYZW & ~TGSI_WRITEMASK_X),
+                     ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f));
+            t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
+	 }
       }
       if (passthrough_edgeflags)
          emit_edgeflags(t);
diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 921b0f9b8..7d79c6235 100644
--- a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -1121,6 +1121,13 @@ st_translate_mesa_program(
          t->outputs[i] = ureg_DECL_output( ureg,
                                            outputSemanticName[i],
                                            outputSemanticIndex[i] );
+         if (outputSemanticName[i] == TGSI_SEMANTIC_FOG) {
+            /* force register to contain a fog coordinate in the form (F, 0, 0, 1). */
+            ureg_MOV(ureg,
+                     ureg_writemask(t->outputs[i], TGSI_WRITEMASK_XYZW & ~TGSI_WRITEMASK_X),
+                     ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f));
+            t->outputs[i] = ureg_writemask(t->outputs[i], TGSI_WRITEMASK_X);
+	 }
       }
       if (passthrough_edgeflags)
          emit_edgeflags( t, program );