Merge remote-tracking branch 'origin/released'

* origin/released:
  libX11 mesa pixman xkeyboard-config

13 files changed, 135 insertions, 26 deletions

diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index e5ed97f00..02acfc2aa 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -1073,7 +1073,6 @@ _mesa_initialize_context(struct gl_context *ctx,
    case API_OPENGLES2:
       ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
       ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
-      ctx->Point.PointSprite = GL_TRUE;  /* always on for ES 2.x */
       break;
    }
 
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index 9a75fd954..9c818ccd8 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -604,7 +604,7 @@ struct dd_function_table {
    /*@}*/
 
    /**
-    * \name Functions for GL_EXT_framebuffer_{object,blit}.
+    * \name Functions for GL_EXT_framebuffer_{object,blit,discard}.
     */
    /*@{*/
    struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name);
@@ -628,6 +628,8 @@ struct dd_function_table {
                            GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
                            GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
                            GLbitfield mask, GLenum filter);
+   void (*DiscardFramebuffer)(struct gl_context *ctx,
+                              GLenum target, GLsizei numAttachments, const GLenum *attachments);
 
    /**
     * \name Query objects
diff --git a/mesalib/src/mesa/main/eval.c b/mesalib/src/mesa/main/eval.c
index 44b57929e..b3c284175 100644
--- a/mesalib/src/mesa/main/eval.c
+++ b/mesalib/src/mesa/main/eval.c
@@ -824,7 +824,8 @@ _mesa_MapGrid2d( GLint un, GLdouble u1, GLdouble u2,
 
 void
 _mesa_install_eval_vtxfmt(struct _glapi_table *disp,
-                          const GLvertexformat *vfmt)
+                          const GLvertexformat *vfmt,
+                          bool beginend)
 {
    SET_EvalCoord1f(disp, vfmt->EvalCoord1f);
    SET_EvalCoord1fv(disp, vfmt->EvalCoord1fv);
@@ -833,8 +834,12 @@ _mesa_install_eval_vtxfmt(struct _glapi_table *disp,
    SET_EvalPoint1(disp, vfmt->EvalPoint1);
    SET_EvalPoint2(disp, vfmt->EvalPoint2);
 
-   SET_EvalMesh1(disp, vfmt->EvalMesh1);
-   SET_EvalMesh2(disp, vfmt->EvalMesh2);
+   /* glEvalMesh1 and glEvalMesh2 are not allowed between glBegin and glEnd.
+    */
+   if (!beginend) {
+      SET_EvalMesh1(disp, vfmt->EvalMesh1);
+      SET_EvalMesh2(disp, vfmt->EvalMesh2);
+   }
 }
 
 
diff --git a/mesalib/src/mesa/main/eval.h b/mesalib/src/mesa/main/eval.h
index 1b6c704ca..cfde53fd6 100644
--- a/mesalib/src/mesa/main/eval.h
+++ b/mesalib/src/mesa/main/eval.h
@@ -39,6 +39,7 @@
 
 #include "main/mfeatures.h"
 #include "main/mtypes.h"
+#include <stdbool.h>
 
 
 #define _MESA_INIT_EVAL_VTXFMT(vfmt, impl)         \
@@ -76,7 +77,8 @@ extern GLfloat *_mesa_copy_map_points2d(GLenum target,
 
 extern void
 _mesa_install_eval_vtxfmt(struct _glapi_table *disp,
-                          const GLvertexformat *vfmt);
+                          const GLvertexformat *vfmt,
+                          bool beginend);
 
 extern void _mesa_init_eval( struct gl_context *ctx );
 extern void _mesa_free_eval_data( struct gl_context *ctx );
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 04435e0c9..e90a29680 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -168,6 +168,7 @@ static const struct extension extension_table[] = {
    { "GL_EXT_blend_color",                         o(EXT_blend_color),                         GLL,            1995 },
    { "GL_EXT_blend_equation_separate",             o(EXT_blend_equation_separate),             GL,             2003 },
    { "GL_EXT_blend_func_separate",                 o(EXT_blend_func_separate),                 GLL,            1999 },
+   { "GL_EXT_discard_framebuffer",                 o(EXT_framebuffer_object),                        ES1 | ES2, 2009 },
    { "GL_EXT_blend_minmax",                        o(EXT_blend_minmax),                        GLL | ES1 | ES2, 1995 },
    { "GL_EXT_blend_subtract",                      o(dummy_true),                              GLL,            1995 },
    { "GL_EXT_clip_volume_hint",                    o(EXT_clip_volume_hint),                    GL,             1996 },
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index 257f839a6..89bc57509 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -3310,3 +3310,56 @@ _mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
                                   0, 0, MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
                                   "glInvalidateFramebuffer");
 }
+
+void GLAPIENTRY
+_mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
+                            const GLenum *attachments)
+{
+   struct gl_framebuffer *fb;
+   GLint i;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   fb = get_framebuffer_target(ctx, target);
+   if (!fb) {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+         "glDiscardFramebufferEXT(target %s)",
+         _mesa_lookup_enum_by_nr(target));
+      return;
+   }
+
+   if (numAttachments < 0) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glDiscardFramebufferEXT(numAttachments < 0)");
+      return;
+   }
+
+   for (i = 0; i < numAttachments; i++) {
+      switch (attachments[i]) {
+      case GL_COLOR:
+      case GL_DEPTH:
+      case GL_STENCIL:
+         if (_mesa_is_user_fbo(fb))
+            goto invalid_enum;
+         break;
+      case GL_COLOR_ATTACHMENT0:
+      case GL_DEPTH_ATTACHMENT:
+      case GL_STENCIL_ATTACHMENT:
+         if (_mesa_is_winsys_fbo(fb))
+            goto invalid_enum;
+         break;
+      default:
+         goto invalid_enum;
+      }
+   }
+
+   if (ctx->Driver.DiscardFramebuffer)
+      ctx->Driver.DiscardFramebuffer(ctx, target, numAttachments, attachments);
+
+   return;
+
+invalid_enum:
+   _mesa_error(ctx, GL_INVALID_ENUM,
+               "glDiscardFramebufferEXT(attachment %s)",
+              _mesa_lookup_enum_by_nr(attachments[i]));
+}
diff --git a/mesalib/src/mesa/main/fbobject.h b/mesalib/src/mesa/main/fbobject.h
index 9207f59c7..ec8b0afe4 100644
--- a/mesalib/src/mesa/main/fbobject.h
+++ b/mesalib/src/mesa/main/fbobject.h
@@ -214,4 +214,8 @@ extern void GLAPIENTRY
 _mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
                             const GLenum *attachments);
 
+extern void GLAPIENTRY
+_mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
+                            const GLenum *attachments);
+
 #endif /* FBOBJECT_H */
diff --git a/mesalib/src/mesa/main/points.c b/mesalib/src/mesa/main/points.c
index 17786408c..c925d4cfd 100644
--- a/mesalib/src/mesa/main/points.c
+++ b/mesalib/src/mesa/main/points.c
@@ -253,7 +253,8 @@ _mesa_init_point(struct gl_context *ctx)
     * In a core context, the state will default to true, and the setters and
     * getters are disabled.
     */
-   ctx->Point.PointSprite = (ctx->API == API_OPENGL_CORE);
+   ctx->Point.PointSprite = (ctx->API == API_OPENGL_CORE ||
+                             ctx->API == API_OPENGLES2);
 
    ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
    ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index f8f517a42..f0de0fb49 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -3187,6 +3187,12 @@ _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
       return;
    }
 
+   if (!image) {
+      _mesa_error(ctx, GL_INVALID_OPERATION,
+		  "glEGLImageTargetTexture2D(image=%p)", image);
+      return;
+   }
+
    if (ctx->NewState & _NEW_PIXEL)
       _mesa_update_state(ctx);
 
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index b6afd35ba..bc66bb36d 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -1444,6 +1444,12 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
          *params = (GLfloat) obj->Immutable;
          break;
 
+      case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
+         if (!_mesa_is_gles(ctx) || !ctx->Extensions.OES_EGL_image_external)
+            goto invalid_pname;
+         *params = obj->RequiredTextureImageUnits;
+         break;
+
       case GL_TEXTURE_SRGB_DECODE_EXT:
          if (!ctx->Extensions.EXT_texture_sRGB_decode)
             goto invalid_pname;
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index 9281aa9ea..0e13d8903 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -3791,24 +3791,22 @@ _mesa_get_texstore_func(gl_format format)
 }
 
 
-static GLboolean
-_mesa_texstore_memcpy(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_needs_transfer_ops(struct gl_context *ctx,
+                                  GLenum baseInternalFormat,
+                                  gl_format dstFormat)
 {
    GLenum dstType;
 
-   /* There are different restrictions depending on the base format... */
+   /* There are different rules depending on the base format. */
    switch (baseInternalFormat) {
    case GL_DEPTH_COMPONENT:
    case GL_DEPTH_STENCIL:
-      /* Depth scale and bias are not allowed. */
-      if (ctx->Pixel.DepthScale != 1.0f ||
-          ctx->Pixel.DepthBias != 0.0f) {
-        return GL_FALSE;
-      }
-      break;
+      return ctx->Pixel.DepthScale != 1.0f ||
+             ctx->Pixel.DepthBias != 0.0f;
 
    case GL_STENCIL_INDEX:
-      break;
+      return GL_FALSE;
 
    default:
       /* Color formats.
@@ -3817,10 +3815,20 @@ _mesa_texstore_memcpy(TEXSTORE_PARAMS)
        */
       dstType = _mesa_get_format_datatype(dstFormat);
 
-      if (dstType != GL_INT && dstType != GL_UNSIGNED_INT &&
-          ctx->_ImageTransferState) {
-         return GL_FALSE;
-      }
+      return dstType != GL_INT && dstType != GL_UNSIGNED_INT &&
+             ctx->_ImageTransferState;
+   }
+}
+
+
+GLboolean
+_mesa_texstore_can_use_memcpy(struct gl_context *ctx,
+                              GLenum baseInternalFormat, gl_format dstFormat,
+                              GLenum srcFormat, GLenum srcType,
+                              const struct gl_pixelstore_attrib *srcPacking)
+{
+   if (_mesa_texstore_needs_transfer_ops(ctx, baseInternalFormat, dstFormat)) {
+      return GL_FALSE;
    }
 
    /* The base internal format and the base Mesa format must match. */
@@ -3834,6 +3842,17 @@ _mesa_texstore_memcpy(TEXSTORE_PARAMS)
       return GL_FALSE;
    }
 
+   return GL_TRUE;
+}
+
+static GLboolean
+_mesa_texstore_memcpy(TEXSTORE_PARAMS)
+{
+   if (!_mesa_texstore_can_use_memcpy(ctx, baseInternalFormat, dstFormat,
+                                      srcFormat, srcType, srcPacking)) {
+      return GL_FALSE;
+   }
+
    memcpy_texture(ctx, dims,
                   dstFormat,
                   dstRowStride, dstSlices,
diff --git a/mesalib/src/mesa/main/texstore.h b/mesalib/src/mesa/main/texstore.h
index 7af532d65..75f24bd45 100644
--- a/mesalib/src/mesa/main/texstore.h
+++ b/mesalib/src/mesa/main/texstore.h
@@ -69,6 +69,17 @@
 extern GLboolean
 _mesa_texstore(TEXSTORE_PARAMS);
 
+extern GLboolean
+_mesa_texstore_needs_transfer_ops(struct gl_context *ctx,
+                                  GLenum baseInternalFormat,
+                                  gl_format dstFormat);
+
+extern GLboolean
+_mesa_texstore_can_use_memcpy(struct gl_context *ctx,
+                              GLenum baseInternalFormat, gl_format dstFormat,
+                              GLenum srcFormat, GLenum srcType,
+                              const struct gl_pixelstore_attrib *srcPacking);
+
 
 extern GLubyte *
 _mesa_make_temp_ubyte_image(struct gl_context *ctx, GLuint dims,
diff --git a/mesalib/src/mesa/main/vtxfmt.c b/mesalib/src/mesa/main/vtxfmt.c
index 347d07d57..8669c4007 100644
--- a/mesalib/src/mesa/main/vtxfmt.c
+++ b/mesalib/src/mesa/main/vtxfmt.c
@@ -45,7 +45,7 @@
  */
 static void
 install_vtxfmt(struct gl_context *ctx, struct _glapi_table *tab,
-               const GLvertexformat *vfmt)
+               const GLvertexformat *vfmt, bool beginend)
 {
    assert(ctx->Version > 0);
 
@@ -62,7 +62,7 @@ install_vtxfmt(struct gl_context *ctx, struct _glapi_table *tab,
    }
 
    if (ctx->API == API_OPENGL_COMPAT) {
-      _mesa_install_eval_vtxfmt(tab, vfmt);
+      _mesa_install_eval_vtxfmt(tab, vfmt, beginend);
    }
 
    if (ctx->API != API_OPENGL_CORE && ctx->API != API_OPENGLES2) {
@@ -251,9 +251,9 @@ install_vtxfmt(struct gl_context *ctx, struct _glapi_table *tab,
 void
 _mesa_install_exec_vtxfmt(struct gl_context *ctx, const GLvertexformat *vfmt)
 {
-   install_vtxfmt( ctx, ctx->Exec, vfmt );
+   install_vtxfmt(ctx, ctx->Exec, vfmt, false);
    if (ctx->BeginEnd)
-      install_vtxfmt( ctx, ctx->BeginEnd, vfmt );
+      install_vtxfmt(ctx, ctx->BeginEnd, vfmt, true);
 }
 
 
@@ -265,7 +265,7 @@ void
 _mesa_install_save_vtxfmt(struct gl_context *ctx, const GLvertexformat *vfmt)
 {
    if (_mesa_is_desktop_gl(ctx))
-      install_vtxfmt( ctx, ctx->Save, vfmt );
+      install_vtxfmt(ctx, ctx->Save, vfmt, false);
 }