silence a variety of warnings found with g++ 3.4.2

src/mesa/drivers/x11/xm_span.c

@@ -3471,8 +3471,8 @@ clip_for_xgetimage(XMesaContext xmesa, GLuint *n, GLint *x, GLint *y)
    XMesaBuffer source = xmesa->xm_buffer;
    Window rootWin = RootWindow(xmesa->display, 0);
    Window child;
-   int screenWidth = WidthOfScreen(DefaultScreenOfDisplay(xmesa->display));
+   GLint screenWidth = WidthOfScreen(DefaultScreenOfDisplay(xmesa->display));
-   int dx, dy;
+   GLint dx, dy;
    XTranslateCoordinates(xmesa->display, source->buffer, rootWin,
                          *x, *y, &dx, &dy, &child);
    if (dx >= screenWidth) {
@@ -3481,17 +3481,17 @@ clip_for_xgetimage(XMesaContext xmesa, GLuint *n, GLint *x, GLint *y)
    }
    if (dx < 0) {
       /* clipped on left */
-      int clip = -dx;
+      GLint clip = -dx;
-      if (clip >= *n)
+      if (clip >= (GLint) *n)
          return -1;  /* totally clipped on left */
       *x += clip;
       *n -= clip;
       dx = 0;
       return clip;
    }
-   if (dx + *n > screenWidth) {
+   if ((GLint) (dx + *n) > screenWidth) {
       /* clipped on right */
-      int clip = dx + *n - screenWidth;
+      GLint clip = dx + *n - screenWidth;
       *n -= clip;
    }
    return 0;

src/mesa/glapi/gl_procs.py

@@ -50,11 +50,11 @@ class PrintGlProcs(gl_XML.FilterGLAPISpecBase):
 		print ' */'
 		print ''
 		print 'typedef struct {'
-		print '    int Name_offset;'
+		print '    GLint Name_offset;'
 		print '#ifdef NEED_FUNCTION_POINTER'
 		print '    _glapi_proc Address;'
 		print '#endif'
-		print '    unsigned int Offset;'
+		print '    GLuint Offset;'
 		print '} glprocs_table_t;'
 		print ''
 		print '#ifdef NEED_FUNCTION_POINTER'
@@ -132,7 +132,7 @@ class PrintGlProcs(gl_XML.FilterGLAPISpecBase):
 
 			base_offset += len(self.functions[k].name) + 3
 
-		print '    NAME_FUNC_OFFSET( -1, NULL, -1 )'
+		print '    NAME_FUNC_OFFSET( -1, NULL, 0 )'
 		print '};'
 		return
 

src/mesa/glapi/glapi.c

@@ -115,7 +115,7 @@ warn(void)
 
 #define TABLE_ENTRY(name) (_glapi_proc) NoOp##name
 
-static int NoOpUnused(void)
+static GLint NoOpUnused(void)
 {
    if (warn()) {
       warning_func(NULL, "GL User Error: calling extension function without a current context\n");
@@ -172,7 +172,7 @@ static _glthread_TSD ContextTSD;         /**< Per-thread context pointer */
 
 #define TABLE_ENTRY(name) (_glapi_proc) gl##name
 
-static int glUnused(void)
+static GLint glUnused(void)
 {
    return 0;
 }
@@ -467,9 +467,9 @@ _glapi_get_override_dispatch(int layer)
 static const glprocs_table_t *
 find_entry( const char * n )
 {
-   unsigned   i;
+   GLuint i;
 
-   for ( i = 0 ; static_functions[i].Name_offset >= 0 ; i++ ) {
+   for (i = 0; static_functions[i].Name_offset >= 0; i++) {
       const char * test_name;
 
       test_name = gl_string_table + static_functions[i].Name_offset;
@@ -549,9 +549,9 @@ get_static_proc_address(const char *funcName)
 static const char *
 get_static_proc_name( GLuint offset )
 {
-   unsigned   i;
+   GLuint i;
 
-   for ( i = 0 ; static_functions[i].Name_offset >= 0 ; i++ ) {
+   for (i = 0; static_functions[i].Name_offset >= 0; i++) {
       if (static_functions[i].Offset == offset) {
 	 return gl_string_table + static_functions[i].Name_offset;
       }
@@ -1014,7 +1014,7 @@ _glapi_check_table(const struct _glapi_table *table)
       GLuint offset = (pointParameterivFunc - (char *) table) / sizeof(void *);
       assert(pointParameterivOffset == _gloffset_PointParameterivNV);
       assert(pointParameterivOffset == offset);
-      assert(_glapi_get_proc_address("glPointParameterivNV") == &glPointParameterivNV);
+      assert(_glapi_get_proc_address("glPointParameterivNV") == (_glapi_proc) &glPointParameterivNV);
    }
    {
       GLuint setFenceOffset = _glapi_get_proc_offset("glSetFenceNV");
@@ -1022,7 +1022,7 @@ _glapi_check_table(const struct _glapi_table *table)
       GLuint offset = (setFenceFunc - (char *) table) / sizeof(void *);
       assert(setFenceOffset == _gloffset_SetFenceNV);
       assert(setFenceOffset == offset);
-      assert(_glapi_get_proc_address("glSetFenceNV") == &glSetFenceNV);
+      assert(_glapi_get_proc_address("glSetFenceNV") == (_glapi_proc) &glSetFenceNV);
    }
 #else
    (void) table;

src/mesa/glapi/glprocs.h

@@ -31,11 +31,11 @@
  */
 
 typedef struct {
-    int Name_offset;
+    GLint Name_offset;
 #ifdef NEED_FUNCTION_POINTER
     _glapi_proc Address;
 #endif
-    unsigned int Offset;
+    GLuint Offset;
 } glprocs_table_t;
 
 #ifdef NEED_FUNCTION_POINTER
@@ -1969,7 +1969,7 @@ static const glprocs_table_t static_functions[] = {
     NAME_FUNC_OFFSET( 17136, glBlendFuncSeparateINGR, _gloffset_BlendFuncSeparateEXT ),
     NAME_FUNC_OFFSET( 17160, glPointParameterfSGIS, _gloffset_PointParameterfEXT ),
     NAME_FUNC_OFFSET( 17182, glPointParameterfvSGIS, _gloffset_PointParameterfvEXT ),
-    NAME_FUNC_OFFSET( -1, NULL, -1 )
+    NAME_FUNC_OFFSET( -1, NULL, 0 )
 };
 
 #undef NAME_FUNC_OFFSET

src/mesa/main/blend.c

@@ -286,6 +286,7 @@ _mesa_BlendEquation( GLenum mode )
       (*ctx->Driver.BlendEquationSeparate)( ctx, mode, mode );
 }
 
+
 void GLAPIENTRY
 _mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA )
 {
@@ -527,6 +528,7 @@ _mesa_ColorMask( GLboolean red, GLboolean green,
       ctx->Driver.ColorMask( ctx, red, green, blue, alpha );
 }
 
+
 /**********************************************************************/
 /** \name Initialization */
 /*@{*/
@@ -542,7 +544,7 @@ _mesa_ColorMask( GLboolean red, GLboolean green,
 void _mesa_init_color( GLcontext * ctx )
 {
    /* Color buffer group */
-   ctx->Color.IndexMask = 0xffffffff;
+   ctx->Color.IndexMask = ~0u;
    ctx->Color.ColorMask[0] = 0xff;
    ctx->Color.ColorMask[1] = 0xff;
    ctx->Color.ColorMask[2] = 0xff;

src/mesa/main/buffers.c

@@ -173,7 +173,7 @@ static GLuint
 supported_buffer_bitmask(const GLcontext *ctx)
 {
    GLuint mask = DD_FRONT_LEFT_BIT; /* always have this */
-   GLuint i;
+   GLint i;
 
    if (ctx->Visual.stereoMode) {
       mask |= DD_FRONT_RIGHT_BIT;
@@ -305,7 +305,7 @@ _mesa_DrawBuffer( GLenum mode )
     * Do error checking and compute the _DrawDestMask bitfield.
     */
    destMask = draw_buffer_enum_to_bitmask(mode);
-   if (destMask == ~0) {
+   if (destMask == ~0u) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glDrawBuffer(mode)");
       return;
    }
@@ -342,7 +342,7 @@ _mesa_DrawBuffersARB(GLsizei n, const GLenum *buffers)
    GET_CURRENT_CONTEXT(ctx);
    ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
 
-   if (n < 1 || n > ctx->Const.MaxDrawBuffers) {
+   if (n < 1 || n > (GLsizei) ctx->Const.MaxDrawBuffers) {
       _mesa_error(ctx, GL_INVALID_VALUE, "glDrawBuffersARB(n)" );
       return;
    }
@@ -351,7 +351,7 @@ _mesa_DrawBuffersARB(GLsizei n, const GLenum *buffers)
    usedBufferMask = 0;
    for (i = 0; i < n; i++) {
       GLuint destMask = draw_buffer_enum_to_bitmask(buffers[i]);
-      if (destMask == ~0) {
+      if (destMask == ~0u ) {
          _mesa_error(ctx, GL_INVALID_ENUM, "glDrawBuffersARB(buffer)");
          return;
       }         
@@ -406,7 +406,7 @@ _mesa_ReadBuffer( GLenum mode )
       _mesa_debug(ctx, "glReadBuffer %s\n", _mesa_lookup_enum_by_nr(mode));
 
    srcMask = read_buffer_enum_to_bitmask(mode);
-   if (srcMask == ~0) {
+   if (srcMask == ~0u) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glReadBuffer(mode)");
       return;
    }

src/mesa/main/context.c

@@ -1424,7 +1424,7 @@ alloc_dispatch_table(void)
       (struct _glapi_table *) _mesa_malloc(numEntries * sizeof(_glapi_proc));
    if (table) {
       _glapi_proc *entry = (_glapi_proc *) table;
-      GLuint i;
+      GLint i;
       for (i = 0; i < numEntries; i++) {
          entry[i] = (_glapi_proc) generic_nop;
       }

src/mesa/main/image.c

@@ -4177,7 +4177,7 @@ _mesa_clip_readpixels(const GLcontext *ctx,
       *srcX = 0;
    }
    /* right clipping */
-   if (*srcX + *width > buffer->Width)
+   if (*srcX + *width > (GLsizei) buffer->Width)
       *width -= (*srcX + *width - buffer->Width);
 
    if (*width <= 0)
@@ -4190,7 +4190,7 @@ _mesa_clip_readpixels(const GLcontext *ctx,
       *srcY = 0;
    }
    /* top clipping */
-   if (*srcY + *height > buffer->Height)
+   if (*srcY + *height > (GLsizei) buffer->Height)
       *height -= (*srcY + *height - buffer->Height);
 
    if (*height <= 0)

src/mesa/main/texcompress_fxt1.c

@@ -287,7 +287,7 @@ const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
 #define ISTBLACK(v) (*((unsigned long *)(v)) == 0)
 
 
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__cplusplus)
 
 #define FX64_NATIVE 1
 
@@ -1007,7 +1007,7 @@ fxt1_quantize_MIXED1 (unsigned long *cc,
    /* left microtile */
    if (maxColL == -1) {
       /* all transparent black */
-      cc[0] = -1;
+      cc[0] = ~0ul;
       for (i = 0; i < n_comp; i++) {
          vec[0][i] = 0;
          vec[1][i] = 0;
@@ -1041,7 +1041,7 @@ fxt1_quantize_MIXED1 (unsigned long *cc,
    /* right microtile */
    if (maxColR == -1) {
       /* all transparent black */
-      cc[1] = -1;
+      cc[1] = ~0ul;
       for (i = 0; i < n_comp; i++) {
          vec[2][i] = 0;
          vec[3][i] = 0;
@@ -1328,7 +1328,7 @@ fxt1_quantize (unsigned long *cc, const unsigned char *lines[], int comps)
    if (trualpha) {
       fxt1_quantize_ALPHA1(cc, input);
    } else if (l == 0) {
-      cc[0] = cc[1] = cc[2] = -1;
+      cc[0] = cc[1] = cc[2] = ~0ul;
       cc[3] = 0;
    } else if (l < N_TEXELS) {
       fxt1_quantize_MIXED1(cc, input);
@@ -1349,23 +1349,25 @@ fxt1_encode (unsigned int width, unsigned int height, int comps,
 {
    unsigned int x, y;
    const unsigned char *data;
-   unsigned long *encoded = dest;
+   unsigned long *encoded = (unsigned long *) dest;
    unsigned char *newSource = NULL;
 
    /* Replicate image if width is not M8 or height is not M4 */
    if ((width & 7) | (height & 3)) {
       int newWidth = (width + 7) & ~7;
       int newHeight = (height + 3) & ~3;
-      newSource = malloc(comps * newWidth * newHeight * sizeof(unsigned char *));
+      newSource = (unsigned char *)
+         _mesa_malloc(comps * newWidth * newHeight * sizeof(unsigned char *));
       _mesa_upscale_teximage2d(width, height, newWidth, newHeight,
-                               comps, source, srcRowStride, newSource);
+                               comps, (const GLchan *) source,
+                               srcRowStride, newSource);
       source = newSource;
       width = newWidth;
       height = newHeight;
       srcRowStride = comps * newWidth;
    }
 
-   data = source;
+   data = (const unsigned char *) source;
    destRowStride = (destRowStride - width * 2) / 4;
    for (y = 0; y < height; y += 4) {
       unsigned int offs = 0 + (y + 0) * srcRowStride;

src/mesa/main/texstore.c

@@ -1832,7 +1832,7 @@ validate_pbo_teximage(GLcontext *ctx, GLuint dimensions,
       return NULL;
    }
 
-   buf = ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+   buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
                                           GL_READ_ONLY_ARB, unpack->BufferObj);
    if (!buf) {
       _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped");
@@ -1869,7 +1869,7 @@ validate_pbo_compressed_teximage(GLcontext *ctx,
       return NULL;
    }
 
-   buf = ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
+   buf = (GLubyte*) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
                                          GL_READ_ONLY_ARB, packing->BufferObj);
    if (!buf) {
       _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped");

src/mesa/tnl/t_vertex_c.c

@@ -255,5 +255,5 @@ void _tnl_init_c_codegen( struct tnl_clipspace_codegen *p )
    make_empty_list(&p->codegen_list);
 
    p->buf_size = 2048;
-   p->buf = MALLOC(p->buf_size);
+   p->buf = (char *) MALLOC(p->buf_size);
 }