Merge remote-tracking branch 'origin/released'

Conflicts:
	libxcb/src/c_client.py
	mesalib/include/GL/glext.h
	mesalib/include/GL/glxext.h
	mesalib/src/glsl/.gitignore
	mesalib/src/mesa/drivers/dri/common/xmlconfig.h
	mesalib/src/mesa/main/.gitignore
	xorg-server/Xext/xvmain.c
	xorg-server/dix/dispatch.c
	xorg-server/hw/xfree86/common/compiler.h

9 files changed, 253 insertions, 38 deletions

diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index b12898f26..a1d06d412 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -84,7 +84,7 @@
 #include "drivers/common/meta.h"
 #include "main/enums.h"
 #include "main/glformats.h"
-#include "../glsl/ralloc.h"
+#include "util/ralloc.h"
 
 /** Return offset in bytes of the field within a vertex struct */
 #define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD))
@@ -101,18 +101,18 @@ static void meta_decompress_cleanup(struct decompress_state *decompress);
 static void meta_drawpix_cleanup(struct drawpix_state *drawpix);
 
 void
-_mesa_meta_bind_fbo_image(GLenum attachment,
+_mesa_meta_bind_fbo_image(GLenum fboTarget, GLenum attachment,
                           struct gl_texture_image *texImage, GLuint layer)
 {
    struct gl_texture_object *texObj = texImage->TexObject;
    int level = texImage->Level;
-   GLenum target = texObj->Target;
+   GLenum texTarget = texObj->Target;
 
-   switch (target) {
+   switch (texTarget) {
    case GL_TEXTURE_1D:
-      _mesa_FramebufferTexture1D(GL_FRAMEBUFFER,
+      _mesa_FramebufferTexture1D(fboTarget,
                                  attachment,
-                                 target,
+                                 texTarget,
                                  texObj->Name,
                                  level);
       break;
@@ -121,19 +121,19 @@ _mesa_meta_bind_fbo_image(GLenum attachment,
    case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
    case GL_TEXTURE_CUBE_MAP_ARRAY:
    case GL_TEXTURE_3D:
-      _mesa_FramebufferTextureLayer(GL_FRAMEBUFFER,
+      _mesa_FramebufferTextureLayer(fboTarget,
                                     attachment,
                                     texObj->Name,
                                     level,
                                     layer);
       break;
    default: /* 2D / cube */
-      if (target == GL_TEXTURE_CUBE_MAP)
-         target = GL_TEXTURE_CUBE_MAP_POSITIVE_X + texImage->Face;
+      if (texTarget == GL_TEXTURE_CUBE_MAP)
+         texTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + texImage->Face;
 
-      _mesa_FramebufferTexture2D(GL_FRAMEBUFFER,
+      _mesa_FramebufferTexture2D(fboTarget,
                                  attachment,
-                                 target,
+                                 texTarget,
                                  texObj->Name,
                                  level);
    }
@@ -2732,9 +2732,9 @@ _mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table)
 static GLenum
 get_temp_image_type(struct gl_context *ctx, mesa_format format)
 {
-   GLenum baseFormat;
-
-   baseFormat = _mesa_get_format_base_format(format);
+   const GLenum baseFormat = _mesa_get_format_base_format(format);
+   const GLenum datatype = _mesa_get_format_datatype(format);
+   const GLint format_red_bits = _mesa_get_format_bits(format, GL_RED_BITS);
 
    switch (baseFormat) {
    case GL_RGBA:
@@ -2745,30 +2745,24 @@ get_temp_image_type(struct gl_context *ctx, mesa_format format)
    case GL_LUMINANCE:
    case GL_LUMINANCE_ALPHA:
    case GL_INTENSITY:
-      if (ctx->DrawBuffer->Visual.redBits <= 8) {
+      if (datatype == GL_INT || datatype == GL_UNSIGNED_INT) {
+         return datatype;
+      } else if (format_red_bits <= 8) {
          return GL_UNSIGNED_BYTE;
-      } else if (ctx->DrawBuffer->Visual.redBits <= 16) {
+      } else if (format_red_bits <= 16) {
          return GL_UNSIGNED_SHORT;
-      } else {
-         GLenum datatype = _mesa_get_format_datatype(format);
-         if (datatype == GL_INT || datatype == GL_UNSIGNED_INT)
-            return datatype;
-         return GL_FLOAT;
       }
-   case GL_DEPTH_COMPONENT: {
-      GLenum datatype = _mesa_get_format_datatype(format);
+      return GL_FLOAT;
+   case GL_DEPTH_COMPONENT:
       if (datatype == GL_FLOAT)
          return GL_FLOAT;
       else
          return GL_UNSIGNED_INT;
-   }
-   case GL_DEPTH_STENCIL: {
-      GLenum datatype = _mesa_get_format_datatype(format);
+   case GL_DEPTH_STENCIL:
       if (datatype == GL_FLOAT)
          return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
       else
          return GL_UNSIGNED_INT_24_8;
-   }
    default:
       _mesa_problem(ctx, "Unexpected format %d in get_temp_image_type()",
 		    baseFormat);
@@ -2808,17 +2802,20 @@ copytexsubimage_using_blit_framebuffer(struct gl_context *ctx, GLuint dims,
 
    if (rb->_BaseFormat == GL_DEPTH_STENCIL ||
        rb->_BaseFormat == GL_DEPTH_COMPONENT) {
-      _mesa_meta_bind_fbo_image(GL_DEPTH_ATTACHMENT, texImage, zoffset);
+      _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+                                texImage, zoffset);
       mask = GL_DEPTH_BUFFER_BIT;
 
       if (rb->_BaseFormat == GL_DEPTH_STENCIL &&
           texImage->_BaseFormat == GL_DEPTH_STENCIL) {
-         _mesa_meta_bind_fbo_image(GL_STENCIL_ATTACHMENT, texImage, zoffset);
+         _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
+                                   texImage, zoffset);
          mask |= GL_STENCIL_BUFFER_BIT;
       }
       _mesa_DrawBuffer(GL_NONE);
    } else {
-      _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, texImage, zoffset);
+      _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+                                texImage, zoffset);
       mask = GL_COLOR_BUFFER_BIT;
       _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
    }
@@ -3362,7 +3359,8 @@ cleartexsubimage_color(struct gl_context *ctx,
    GLenum datatype;
    GLenum status;
 
-   _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, texImage, zoffset);
+   _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+                             texImage, zoffset);
 
    status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
    if (status != GL_FRAMEBUFFER_COMPLETE)
@@ -3408,10 +3406,12 @@ cleartexsubimage_depth_stencil(struct gl_context *ctx,
    GLfloat depthValue;
    GLenum status;
 
-   _mesa_meta_bind_fbo_image(GL_DEPTH_ATTACHMENT, texImage, zoffset);
+   _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+                             texImage, zoffset);
 
    if (texImage->_BaseFormat == GL_DEPTH_STENCIL)
-      _mesa_meta_bind_fbo_image(GL_STENCIL_ATTACHMENT, texImage, zoffset);
+      _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
+                                texImage, zoffset);
 
    status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
    if (status != GL_FRAMEBUFFER_COMPLETE)
diff --git a/mesalib/src/mesa/drivers/common/meta.h b/mesalib/src/mesa/drivers/common/meta.h
index b269dceed..e2da2f427 100644
--- a/mesalib/src/mesa/drivers/common/meta.h
+++ b/mesalib/src/mesa/drivers/common/meta.h
@@ -440,6 +440,14 @@ _mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
                                       GLint dstX1, GLint dstY1,
                                       GLbitfield mask, GLenum filter);
 
+bool
+_mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
+                                         struct gl_texture_image *src_tex_image,
+                                         int src_x, int src_y, int src_z,
+                                         struct gl_texture_image *dst_tex_image,
+                                         int dst_x, int dst_y, int dst_z,
+                                         int src_width, int src_height);
+
 extern void
 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
 
@@ -570,7 +578,7 @@ void
 _mesa_meta_glsl_generate_mipmap_cleanup(struct gen_mipmap_state *mipmap);
 
 void
-_mesa_meta_bind_fbo_image(GLenum attachment,
+_mesa_meta_bind_fbo_image(GLenum target, GLenum attachment,
                           struct gl_texture_image *texImage, GLuint layer);
 
 #endif /* META_H */
diff --git a/mesalib/src/mesa/drivers/common/meta_blit.c b/mesalib/src/mesa/drivers/common/meta_blit.c
index bbf0c3c45..955e73f57 100644
--- a/mesalib/src/mesa/drivers/common/meta_blit.c
+++ b/mesalib/src/mesa/drivers/common/meta_blit.c
@@ -49,7 +49,7 @@
 #include "main/viewport.h"
 #include "swrast/swrast.h"
 #include "drivers/common/meta.h"
-#include "../glsl/ralloc.h"
+#include "util/ralloc.h"
 
 /** Return offset in bytes of the field within a vertex struct */
 #define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD))
@@ -709,6 +709,9 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
     */
    _mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_DRAW_BUFFERS);
 
+   /* Dithering shouldn't be performed for glBlitFramebuffer */
+   _mesa_set_enable(ctx, GL_DITHER, GL_FALSE);
+
    /* If the clipping earlier changed the destination rect at all, then
     * enable the scissor to clip to it.
     */
diff --git a/mesalib/src/mesa/drivers/common/meta_copy_image.c b/mesalib/src/mesa/drivers/common/meta_copy_image.c
new file mode 100644
index 000000000..c40c2f011
--- /dev/null
+++ b/mesalib/src/mesa/drivers/common/meta_copy_image.c
@@ -0,0 +1,199 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2014 Intel Corporation.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "enums.h"
+#include "imports.h"
+#include "macros.h"
+#include "teximage.h"
+#include "texobj.h"
+#include "fbobject.h"
+#include "buffers.h"
+#include "state.h"
+#include "mtypes.h"
+#include "meta.h"
+
+/* This function makes a texture view without bothering with all of the API
+ * checks.  Most of them are the same for CopyTexSubImage so checking would
+ * be redundant.  The one major difference is that we don't check for
+ * whether the texture is immutable or not.  However, since the view will
+ * be created and then immediately destroyed, this should not be a problem.
+ */
+static bool
+make_view(struct gl_context *ctx, struct gl_texture_image *tex_image,
+          struct gl_texture_image **view_tex_image, GLuint *view_tex_name,
+          GLenum internal_format)
+{
+   struct gl_texture_object *tex_obj = tex_image->TexObject;
+   struct gl_texture_object *view_tex_obj;
+   mesa_format tex_format;
+
+   /* Set up the new texture object */
+   _mesa_GenTextures(1, view_tex_name);
+   view_tex_obj = _mesa_lookup_texture(ctx, *view_tex_name);
+   if (!view_tex_obj)
+      return false;
+
+   tex_format = _mesa_choose_texture_format(ctx, view_tex_obj, tex_obj->Target,
+                                           0, internal_format,
+                                           GL_NONE, GL_NONE);
+
+   if (!ctx->Driver.TestProxyTexImage(ctx, tex_obj->Target, 0, tex_format,
+                                      tex_image->Width, tex_image->Height,
+                                      tex_image->Depth, 0)) {
+      return false;
+   }
+
+   view_tex_obj->Target = tex_obj->Target;
+
+   *view_tex_image = _mesa_get_tex_image(ctx, view_tex_obj, tex_obj->Target, 0);
+   _mesa_init_teximage_fields(ctx, *view_tex_image,
+                              tex_image->Width, tex_image->Height,
+                              tex_image->Depth,
+                              0, internal_format, tex_format);
+
+   view_tex_obj->MinLevel = 0;
+   view_tex_obj->NumLevels = 1;
+   view_tex_obj->MinLayer = tex_obj->MinLayer;
+   view_tex_obj->NumLayers = tex_obj->NumLayers;
+   view_tex_obj->Immutable = tex_obj->Immutable;
+   view_tex_obj->ImmutableLevels = tex_obj->ImmutableLevels;
+   view_tex_obj->Target = tex_obj->Target;
+
+   if (ctx->Driver.TextureView != NULL &&
+       !ctx->Driver.TextureView(ctx, view_tex_obj, tex_obj)) {
+      _mesa_DeleteTextures(1, view_tex_name);
+      *view_tex_name = 0;
+      return false; /* driver recorded error */
+   }
+
+   return true;
+}
+
+/** A partial implementation of glCopyImageSubData
+ *
+ * This is a partial implementation of glCopyImageSubData that works only
+ * if both textures are uncompressed and the destination texture is
+ * renderable.  It uses a slight abuse of a texture view (see make_view) to
+ * turn the source texture into the destination texture type and then uses
+ * _mesa_meta_BlitFramebuffers to do the copy.
+ */
+bool
+_mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
+                                         struct gl_texture_image *src_tex_image,
+                                         int src_x, int src_y, int src_z,
+                                         struct gl_texture_image *dst_tex_image,
+                                         int dst_x, int dst_y, int dst_z,
+                                         int src_width, int src_height)
+{
+   GLuint src_view_texture = 0;
+   struct gl_texture_image *src_view_tex_image;
+   GLuint fbos[2];
+   bool success = false;
+   GLbitfield mask;
+   GLenum status, attachment;
+
+   if (_mesa_is_format_compressed(dst_tex_image->TexFormat))
+      return false;
+
+   if (_mesa_is_format_compressed(src_tex_image->TexFormat))
+      return false;
+
+   if (src_tex_image->InternalFormat == dst_tex_image->InternalFormat) {
+      src_view_tex_image = src_tex_image;
+   } else {
+      if (!make_view(ctx, src_tex_image, &src_view_tex_image, &src_view_texture,
+                     dst_tex_image->InternalFormat))
+         goto cleanup;
+   }
+
+   /* We really only need to stash the bound framebuffers. */
+   _mesa_meta_begin(ctx, 0);
+
+   _mesa_GenFramebuffers(2, fbos);
+   _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbos[0]);
+   _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbos[1]);
+
+   switch (_mesa_get_format_base_format(src_tex_image->TexFormat)) {
+   case GL_DEPTH_COMPONENT:
+      attachment = GL_DEPTH_ATTACHMENT;
+      mask = GL_DEPTH_BUFFER_BIT;
+      break;
+   case GL_DEPTH_STENCIL:
+      attachment = GL_DEPTH_STENCIL_ATTACHMENT;
+      mask = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
+      break;
+   case GL_STENCIL_INDEX:
+      attachment = GL_STENCIL_ATTACHMENT;
+      mask = GL_STENCIL_BUFFER_BIT;
+      break;
+   default:
+      attachment = GL_COLOR_ATTACHMENT0;
+      mask = GL_COLOR_BUFFER_BIT;
+      _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
+      _mesa_ReadBuffer(GL_COLOR_ATTACHMENT0);
+   }
+
+   _mesa_meta_bind_fbo_image(GL_READ_FRAMEBUFFER, attachment,
+                             src_view_tex_image, src_z);
+
+   status = _mesa_CheckFramebufferStatus(GL_READ_FRAMEBUFFER);
+   if (status != GL_FRAMEBUFFER_COMPLETE)
+      goto meta_end;
+
+   _mesa_meta_bind_fbo_image(GL_DRAW_FRAMEBUFFER, attachment,
+                             dst_tex_image, dst_z);
+
+   status = _mesa_CheckFramebufferStatus(GL_DRAW_FRAMEBUFFER);
+   if (status != GL_FRAMEBUFFER_COMPLETE)
+      goto meta_end;
+
+   /* Since we've bound a new draw framebuffer, we need to update its
+    * derived state -- _Xmin, etc -- for BlitFramebuffer's clipping to
+    * be correct.
+    */
+   _mesa_update_state(ctx);
+
+   /* We skip the core BlitFramebuffer checks for format consistency.
+    * We have already created views to ensure that the texture formats
+    * match.
+    */
+   ctx->Driver.BlitFramebuffer(ctx, src_x, src_y,
+                               src_x + src_width, src_y + src_height,
+                               dst_x, dst_y,
+                               dst_x + src_width, dst_y + src_height,
+                               mask, GL_NEAREST);
+
+   success = true;
+
+meta_end:
+   _mesa_DeleteFramebuffers(2, fbos);
+   _mesa_meta_end(ctx);
+
+cleanup:
+   _mesa_DeleteTextures(1, &src_view_texture);
+
+   return success;
+}
diff --git a/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c b/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
index 4b1718df9..8ffd8da3b 100644
--- a/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
+++ b/mesalib/src/mesa/drivers/common/meta_generate_mipmap.c
@@ -104,7 +104,7 @@ fallback_required(struct gl_context *ctx, GLenum target,
       _mesa_GenFramebuffers(1, &mipmap->FBO);
    _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
 
-   _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, baseImage, 0);
+   _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, baseImage, 0);
 
    status = _mesa_CheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
 
@@ -327,7 +327,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
          _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
                           verts, GL_DYNAMIC_DRAW_ARB);
 
-         _mesa_meta_bind_fbo_image(GL_COLOR_ATTACHMENT0, dstImage, layer);
+         _mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, dstImage, layer);
 
          /* sanity check */
          if (_mesa_CheckFramebufferStatus(GL_FRAMEBUFFER) !=
diff --git a/mesalib/src/mesa/drivers/dri/common/SConscript b/mesalib/src/mesa/drivers/dri/common/SConscript
index d003139bf..0bee1b41f 100644
--- a/mesalib/src/mesa/drivers/dri/common/SConscript
+++ b/mesalib/src/mesa/drivers/dri/common/SConscript
@@ -10,6 +10,7 @@ drienv.Replace(CPPPATH = [
     xmlpool_options.dir.dir, # Dir to generated xmlpool/options.h
     '#include',
     '#include/GL/internal',
+    '#src',
     '#src/mapi',
     '#src/gallium/include',
     '#src/gallium/auxiliary',
diff --git a/mesalib/src/mesa/drivers/dri/common/xmlconfig.c b/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
index b129979d2..d11ba4e4b 100644
--- a/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
+++ b/mesalib/src/mesa/drivers/dri/common/xmlconfig.c
@@ -45,6 +45,8 @@
 extern char *program_invocation_name, *program_invocation_short_name;
 #    endif
 #    define GET_PROGRAM_NAME() program_invocation_short_name
+#elif defined(__CYGWIN__)
+#    define GET_PROGRAM_NAME() program_invocation_short_name
 #elif defined(__FreeBSD__) && (__FreeBSD__ >= 2)
 #    include <osreldate.h>
 #    if (__FreeBSD_version >= 440000)
diff --git a/mesalib/src/mesa/drivers/dri/common/xmlconfig.h b/mesalib/src/mesa/drivers/dri/common/xmlconfig.h
index 59a67b328..8969843bd 100644..100755
--- a/mesalib/src/mesa/drivers/dri/common/xmlconfig.h
+++ b/mesalib/src/mesa/drivers/dri/common/xmlconfig.h
@@ -58,7 +58,7 @@ typedef struct driOptionInfo {
     char *name;             /**< \brief Name */
     driOptionType type;     /**< \brief Type */
     driOptionRange *ranges; /**< \brief Array of ranges */
-    unsigned int nRanges;         /**< \brief Number of ranges */
+    unsigned int nRanges;   /**< \brief Number of ranges */
 } driOptionInfo;
 
 /** \brief Option cache
diff --git a/mesalib/src/mesa/drivers/windows/gdi/SConscript b/mesalib/src/mesa/drivers/windows/gdi/SConscript
index 10a7eeaa1..1f4d7e1fa 100644
--- a/mesalib/src/mesa/drivers/windows/gdi/SConscript
+++ b/mesalib/src/mesa/drivers/windows/gdi/SConscript
@@ -3,6 +3,7 @@ Import('*')
 env = env.Clone()
 
 env.Prepend(CPPPATH = [
+    '#src',
     '#src/mapi',
     '#src/mesa',
 ])
@@ -16,6 +17,7 @@ if not env['gles']:
     env.Append(CPPDEFINES = ['_GLAPI_NO_EXPORTS'])
 
 env.Prepend(LIBS = [
+    mesautil,
     glapi,
     mesa,
     glsl,