xserver fontconfig libX11 libXext libxcb mesa git update 21 Mar 2014

xserver          commit 4fb31e4824d46edc80bb49b4065152899faa5ac6
libxcb           commit cb686b576739deea00180c54697c8b62b8419ae0
libX11           commit 8be4610939b833587954957f5963eb4191b43d19
libXext          commit 11aad96bd689d54156064d2e81213dc827a689d1
fontconfig       commit 5478192f379d784b421329e4bf72cc780818e467
mesa             commit 8d8d0cb09eb8735a04fc36cc4d0e2dc9f9d460eb

10 files changed, 116 insertions, 62 deletions

diff --git a/mesalib/src/mesa/main/blend.c b/mesalib/src/mesa/main/blend.c
index eb4f1d6be..c37c0fea5 100644
--- a/mesalib/src/mesa/main/blend.c
+++ b/mesalib/src/mesa/main/blend.c
@@ -911,7 +911,9 @@ void _mesa_init_color( struct gl_context * ctx )
    ctx->Color.LogicOp = GL_COPY;
    ctx->Color.DitherFlag = GL_TRUE;
 
-   if (ctx->Visual.doubleBufferMode) {
+   /* GL_FRONT is not possible on GLES. Instead GL_BACK will render to either
+    * the front or the back buffer depending on the config */
+   if (ctx->Visual.doubleBufferMode || _mesa_is_gles(ctx)) {
       ctx->Color.DrawBuffer[0] = GL_BACK;
    }
    else {
diff --git a/mesalib/src/mesa/main/buffers.c b/mesalib/src/mesa/main/buffers.c
index 6cbce9d5d..b13a7af65 100644
--- a/mesalib/src/mesa/main/buffers.c
+++ b/mesalib/src/mesa/main/buffers.c
@@ -101,7 +101,7 @@ draw_buffer_enum_to_bitmask(const struct gl_context *ctx, GLenum buffer)
       case GL_FRONT:
          return BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_FRONT_RIGHT;
       case GL_BACK:
-         if (_mesa_is_gles3(ctx)) {
+         if (_mesa_is_gles(ctx)) {
             /* Page 181 (page 192 of the PDF) in section 4.2.1 of the OpenGL
              * ES 3.0.1 specification says:
              *
@@ -111,6 +111,11 @@ draw_buffer_enum_to_bitmask(const struct gl_context *ctx, GLenum buffer)
              *
              * Since there is no stereo rendering in ES 3.0, only return the
              * LEFT bits.  This also satisfies the "n must be 1" requirement.
+             *
+             * We also do this for GLES 1 and 2 because those APIs have no
+             * concept of selecting the front and back buffer anyway and it's
+             * convenient to be able to maintain the magic behaviour of
+             * GL_BACK in that case.
              */
             if (ctx->DrawBuffer->Visual.doubleBufferMode)
                return BUFFER_BIT_BACK_LEFT;
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index 5b77ce103..cd009c115 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -1013,7 +1013,8 @@ _mesa_initialize_dispatch_tables(struct gl_context *ctx)
  *
  * \param ctx the context to initialize
  * \param api the GL API type to create the context for
- * \param visual describes the visual attributes for this context
+ * \param visual describes the visual attributes for this context or NULL to
+ *               create a configless context
  * \param share_list points to context to share textures, display lists,
  *        etc with, or NULL
  * \param driverFunctions table of device driver functions for this context
@@ -1033,12 +1034,20 @@ _mesa_initialize_context(struct gl_context *ctx,
    assert(driverFunctions->FreeTextureImageBuffer);
 
    ctx->API = api;
-   ctx->Visual = *visual;
    ctx->DrawBuffer = NULL;
    ctx->ReadBuffer = NULL;
    ctx->WinSysDrawBuffer = NULL;
    ctx->WinSysReadBuffer = NULL;
 
+   if (visual) {
+      ctx->Visual = *visual;
+      ctx->HasConfig = GL_TRUE;
+   }
+   else {
+      memset(&ctx->Visual, 0, sizeof ctx->Visual);
+      ctx->HasConfig = GL_FALSE;
+   }
+
    if (_mesa_is_desktop_gl(ctx)) {
       _mesa_override_gl_version(ctx);
    }
@@ -1145,7 +1154,8 @@ fail:
  * the rendering context.
  *
  * \param api the GL API type to create the context for
- * \param visual a struct gl_config pointer (we copy the struct contents)
+ * \param visual a struct gl_config pointer (we copy the struct contents) or
+ *               NULL to create a configless context
  * \param share_list another context to share display lists with or NULL
  * \param driverFunctions points to the dd_function_table into which the
  *        driver has plugged in all its special functions.
@@ -1160,8 +1170,6 @@ _mesa_create_context(gl_api api,
 {
    struct gl_context *ctx;
 
-   ASSERT(visual);
-
    ctx = calloc(1, sizeof(struct gl_context));
    if (!ctx)
       return NULL;
@@ -1475,6 +1483,54 @@ _mesa_check_init_viewport(struct gl_context *ctx, GLuint width, GLuint height)
    }
 }
 
+static void
+handle_first_current(struct gl_context *ctx)
+{
+   GLenum buffer;
+   GLint bufferIndex;
+
+   assert(ctx->Version > 0);
+
+   ctx->Extensions.String = _mesa_make_extension_string(ctx);
+
+   check_context_limits(ctx);
+
+   /* According to GL_MESA_configless_context the default value of
+    * glDrawBuffers depends on the config of the first surface it is bound to.
+    * For GLES it is always GL_BACK which has a magic interpretation */
+   if (!ctx->HasConfig && _mesa_is_desktop_gl(ctx)) {
+      if (ctx->DrawBuffer != _mesa_get_incomplete_framebuffer()) {
+         if (ctx->DrawBuffer->Visual.doubleBufferMode)
+            buffer = GL_BACK;
+         else
+            buffer = GL_FRONT;
+
+         _mesa_drawbuffers(ctx, 1, &buffer, NULL /* destMask */);
+      }
+
+      if (ctx->ReadBuffer != _mesa_get_incomplete_framebuffer()) {
+         if (ctx->ReadBuffer->Visual.doubleBufferMode) {
+            buffer = GL_BACK;
+            bufferIndex = BUFFER_BACK_LEFT;
+         }
+         else {
+            buffer = GL_FRONT;
+            bufferIndex = BUFFER_FRONT_LEFT;
+         }
+
+         _mesa_readbuffer(ctx, buffer, bufferIndex);
+      }
+   }
+
+   /* We can use this to help debug user's problems.  Tell them to set
+    * the MESA_INFO env variable before running their app.  Then the
+    * first time each context is made current we'll print some useful
+    * information.
+    */
+   if (_mesa_getenv("MESA_INFO")) {
+      _mesa_print_info(ctx);
+   }
+}
 
 /**
  * Bind the given context to the given drawBuffer and readBuffer and
@@ -1567,21 +1623,7 @@ _mesa_make_current( struct gl_context *newCtx,
       }
 
       if (newCtx->FirstTimeCurrent) {
-         assert(newCtx->Version > 0);
-
-         newCtx->Extensions.String = _mesa_make_extension_string(newCtx);
-
-         check_context_limits(newCtx);
-
-         /* We can use this to help debug user's problems.  Tell them to set
-          * the MESA_INFO env variable before running their app.  Then the
-          * first time each context is made current we'll print some useful
-          * information.
-          */
-	 if (_mesa_getenv("MESA_INFO")) {
-	    _mesa_print_info(newCtx);
-	 }
-
+         handle_first_current(newCtx);
 	 newCtx->FirstTimeCurrent = GL_FALSE;
       }
    }
diff --git a/mesalib/src/mesa/main/errors.c b/mesalib/src/mesa/main/errors.c
index 8ec6a8c33..9151718ea 100644
--- a/mesalib/src/mesa/main/errors.c
+++ b/mesalib/src/mesa/main/errors.c
@@ -969,7 +969,7 @@ _mesa_init_errors(struct gl_context *ctx)
 
 /**
  * Loop through debug group stack tearing down states for
- * filtering debug messages.
+ * filtering debug messages.  Then free debug output state.
  */
 void
 _mesa_free_errors_data(struct gl_context *ctx)
@@ -980,6 +980,9 @@ _mesa_free_errors_data(struct gl_context *ctx)
       for (i = 0; i <= ctx->Debug->GroupStackDepth; i++) {
          free_errors_data(ctx, i);
       }
+      FREE(ctx->Debug);
+      /* set to NULL just in case it is used before context is completely gone. */
+      ctx->Debug = NULL;
    }
 }
 
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index a9dcc5144..dfe2f1e93 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -1565,10 +1565,6 @@ _mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
       return ctx->API == API_OPENGL_COMPAT &&
              ctx->Extensions.ARB_texture_float &&
              ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
-   case GL_RGB9_E5:
-      return (_mesa_is_desktop_gl(ctx)
-              && ctx->Extensions.EXT_texture_shared_exponent)
-         ? GL_RGB : 0;
    case GL_R11F_G11F_B10F:
       return ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_packed_float) ||
               _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
diff --git a/mesalib/src/mesa/main/genmipmap.c b/mesalib/src/mesa/main/genmipmap.c
index dcd482da2..9d111cab2 100644
--- a/mesalib/src/mesa/main/genmipmap.c
+++ b/mesalib/src/mesa/main/genmipmap.c
@@ -74,6 +74,10 @@ _mesa_GenerateMipmap(GLenum target)
       error = (_mesa_is_gles(ctx) && ctx->Version < 30)
          || !ctx->Extensions.EXT_texture_array;
       break;
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
+      error = _mesa_is_gles(ctx) ||
+              !ctx->Extensions.ARB_texture_cube_map_array;
+      break;
    default:
       error = GL_TRUE;
    }
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index b1908515c..88cf202df 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -1997,7 +1997,7 @@ _mesa_GetBooleani_v( GLenum pname, GLuint index, GLboolean *params )
       params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
       break;
    case TYPE_INT64:
-      params[0] = INT64_TO_BOOLEAN(v.value_int);
+      params[0] = INT64_TO_BOOLEAN(v.value_int64);
       break;
    default:
       ; /* nothing - GL error was recorded */
@@ -2042,7 +2042,7 @@ _mesa_GetIntegeri_v( GLenum pname, GLuint index, GLint *params )
       params[3] = v.value_int_4[3];
       break;
    case TYPE_INT64:
-      params[0] = INT64_TO_INT(v.value_int);
+      params[0] = INT64_TO_INT(v.value_int64);
       break;
    default:
       ; /* nothing - GL error was recorded */
@@ -2067,7 +2067,7 @@ _mesa_GetInteger64i_v( GLenum pname, GLuint index, GLint64 *params )
       params[3] = v.value_int_4[3];
       break;
    case TYPE_INT64:
-      params[0] = v.value_int;
+      params[0] = v.value_int64;
       break;
    default:
       ; /* nothing - GL error was recorded */
diff --git a/mesalib/src/mesa/main/mipmap.c b/mesalib/src/mesa/main/mipmap.c
index 521b2d8eb..cc109cc52 100644
--- a/mesalib/src/mesa/main/mipmap.c
+++ b/mesalib/src/mesa/main/mipmap.c
@@ -1548,23 +1548,18 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
    const GLint dstDepthNB = dstDepth - 2 * border;
    GLint img, row;
    GLint bytesPerSrcImage, bytesPerDstImage;
-   GLint bytesPerSrcRow, bytesPerDstRow;
    GLint srcImageOffset, srcRowOffset;
 
    (void) srcDepthNB; /* silence warnings */
 
-
-   bytesPerSrcImage = srcWidth * srcHeight * bpt;
-   bytesPerDstImage = dstWidth * dstHeight * bpt;
-
-   bytesPerSrcRow = srcWidth * bpt;
-   bytesPerDstRow = dstWidth * bpt;
+   bytesPerSrcImage = srcRowStride * srcHeight * bpt;
+   bytesPerDstImage = dstRowStride * dstHeight * bpt;
 
    /* Offset between adjacent src images to be averaged together */
    srcImageOffset = (srcDepth == dstDepth) ? 0 : 1;
 
    /* Offset between adjacent src rows to be averaged together */
-   srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt;
+   srcRowOffset = (srcHeight == dstHeight) ? 0 : srcRowStride;
 
    /*
     * Need to average together up to 8 src pixels for each dest pixel.
@@ -1582,14 +1577,14 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
    for (img = 0; img < dstDepthNB; img++) {
       /* first source image pointer, skipping border */
       const GLubyte *imgSrcA = srcPtr[img * 2 + border]
-         + bytesPerSrcRow * border + bpt * border;
+         + srcRowStride * border + bpt * border;
       /* second source image pointer, skipping border */
       const GLubyte *imgSrcB = srcPtr[img * 2 + srcImageOffset + border]
-         + bytesPerSrcRow * border + bpt * border;
+         + srcRowStride * border + bpt * border;
 
       /* address of the dest image, skipping border */
       GLubyte *imgDst = dstPtr[img + border]
-         + bytesPerDstRow * border + bpt * border;
+         + dstRowStride * border + bpt * border;
 
       /* setup the four source row pointers and the dest row pointer */
       const GLubyte *srcImgARowA = imgSrcA;
@@ -1605,11 +1600,11 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
                    dstWidthNB, dstImgRow);
 
          /* advance to next rows */
-         srcImgARowA += bytesPerSrcRow + srcRowOffset;
-         srcImgARowB += bytesPerSrcRow + srcRowOffset;
-         srcImgBRowA += bytesPerSrcRow + srcRowOffset;
-         srcImgBRowB += bytesPerSrcRow + srcRowOffset;
-         dstImgRow += bytesPerDstRow;
+         srcImgARowA += srcRowStride + srcRowOffset;
+         srcImgARowB += srcRowStride + srcRowOffset;
+         srcImgBRowA += srcRowStride + srcRowOffset;
+         srcImgBRowB += srcRowStride + srcRowOffset;
+         dstImgRow += dstRowStride;
       }
    }
 
@@ -1638,8 +1633,8 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
             memcpy(dst, src, bpt);
 
             /* do border along [img][row=dstHeight-1][col=0] */
-            src = srcPtr[img * 2] + (srcHeight - 1) * bytesPerSrcRow;
-            dst = dstPtr[img] + (dstHeight - 1) * bytesPerDstRow;
+            src = srcPtr[img * 2] + (srcHeight - 1) * srcRowStride;
+            dst = dstPtr[img] + (dstHeight - 1) * dstRowStride;
             memcpy(dst, src, bpt);
 
             /* do border along [img][row=0][col=dstWidth-1] */
@@ -1668,10 +1663,10 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
 
             /* do border along [img][row=dstHeight-1][col=0] */
             srcA = srcPtr[img * 2 + 0]
-               + (srcHeight - 1) * bytesPerSrcRow;
+               + (srcHeight - 1) * srcRowStride;
             srcB = srcPtr[img * 2 + srcImageOffset]
-               + (srcHeight - 1) * bytesPerSrcRow;
-            dst = dstPtr[img] + (dstHeight - 1) * bytesPerDstRow;
+               + (srcHeight - 1) * srcRowStride;
+            dst = dstPtr[img] + (dstHeight - 1) * dstRowStride;
             do_row(datatype, comps, 1, srcA, srcB, 1, dst);
 
             /* do border along [img][row=0][col=dstWidth-1] */
@@ -1746,6 +1741,7 @@ _mesa_generate_mipmap_level(GLenum target,
       }
       break;
    case GL_TEXTURE_2D_ARRAY_EXT:
+   case GL_TEXTURE_CUBE_MAP_ARRAY:
       for (i = 0; i < dstDepth; i++) {
 	 make_2d_mipmap(datatype, comps, border,
 			srcWidth, srcHeight, srcData[i], srcRowStride,
@@ -1788,7 +1784,8 @@ _mesa_next_mipmap_level_size(GLenum target, GLint border,
    }
 
    if ((srcDepth - 2 * border > 1) &&
-       (target != GL_TEXTURE_2D_ARRAY_EXT)) {
+       (target != GL_TEXTURE_2D_ARRAY_EXT &&
+        target != GL_TEXTURE_CUBE_MAP_ARRAY)) {
       *dstDepth = (srcDepth - 2 * border) / 2 + 2 * border;
    }
    else {
@@ -2029,7 +2026,8 @@ generate_mipmap_compressed(struct gl_context *ctx, GLenum target,
    /* only two types of compressed textures at this time */
    assert(texObj->Target == GL_TEXTURE_2D ||
 	  texObj->Target == GL_TEXTURE_2D_ARRAY ||
-	  texObj->Target == GL_TEXTURE_CUBE_MAP_ARB);
+	  texObj->Target == GL_TEXTURE_CUBE_MAP_ARB ||
+          texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY);
 
    /*
     * Choose a format for the temporary, uncompressed base image.
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 7c83d664f..c6d90c579 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -4212,6 +4212,12 @@ struct gl_context
    GLboolean FirstTimeCurrent;
    /*@}*/
 
+   /**
+    * False if this context was created without a config. This is needed
+    * because the initial state of glDrawBuffers depends on this
+    */
+   GLboolean HasConfig;
+
    /** software compression/decompression supported or not */
    GLboolean Mesa_DXTn;
 
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index a6c3581bf..57a766f99 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -160,6 +160,9 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
          case GL_DEPTH_COMPONENT24:
          case GL_DEPTH_COMPONENT32:
             return GL_DEPTH_COMPONENT;
+         case GL_DEPTH_STENCIL:
+         case GL_DEPTH24_STENCIL8:
+            return GL_DEPTH_STENCIL;
          default:
             ; /* fallthrough */
       }
@@ -301,14 +304,6 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
       }
    }
 
-   switch (internalFormat) {
-   case GL_DEPTH_STENCIL:
-   case GL_DEPTH24_STENCIL8:
-      return GL_DEPTH_STENCIL;
-   default:
-      ; /* fallthrough */
-   }
-
    if (ctx->Extensions.EXT_texture_sRGB) {
       switch (internalFormat) {
       case GL_SRGB_EXT:
@@ -1662,7 +1657,10 @@ error_check_subtexture_dimensions(struct gl_context *ctx,
 
    /* check zoffset and depth */
    if (dims > 2) {
-      GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : destImage->Border;
+      GLint zBorder = (target == GL_TEXTURE_2D_ARRAY ||
+                       target == GL_TEXTURE_CUBE_MAP_ARRAY) ?
+                         0 : destImage->Border;
+
       if (zoffset < -zBorder) {
          _mesa_error(ctx, GL_INVALID_VALUE, "%s3D(zoffset)", function);
          return GL_TRUE;