fixes for C++ warnings/errors

5 files changed, 32 insertions, 23 deletions

diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 761ab724e9..7e8ebb4477 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -860,8 +860,8 @@ fast_copy_pixels(GLcontext *ctx,
    }
 
    /* clipping not supported */
-   if (srcX < 0 || srcX + width > srcFb->Width ||
-       srcY < 0 || srcY + height > srcFb->Height ||
+   if (srcX < 0 || srcX + width > (GLint) srcFb->Width ||
+       srcY < 0 || srcY + height > (GLint) srcFb->Height ||
        dstX < dstFb->_Xmin || dstX + width > dstFb->_Xmax ||
        dstY < dstFb->_Ymin || dstY + height > dstFb->_Ymax) {
       return GL_FALSE;
diff --git a/src/mesa/swrast/s_depth.c b/src/mesa/swrast/s_depth.c
index cb584b5de8..408174c990 100644
--- a/src/mesa/swrast/s_depth.c
+++ b/src/mesa/swrast/s_depth.c
@@ -1289,7 +1289,7 @@ _swrast_read_depth_span_uint( GLcontext *ctx, struct gl_renderbuffer *rb,
       GLint dx = -x;
       GLint i;
       for (i = 0; i < dx; i++)
-         depth[i] = 0.0;
+         depth[i] = 0;
       x = 0;
       n -= dx;
       depth += dx;
@@ -1298,7 +1298,7 @@ _swrast_read_depth_span_uint( GLcontext *ctx, struct gl_renderbuffer *rb,
       GLint dx = x + n - (GLint) rb->Width;
       GLint i;
       for (i = 0; i < dx; i++)
-         depth[n - i - 1] = 0.0;
+         depth[n - i - 1] = 0;
       n -= dx;
    }
    if (n <= 0) {
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index bdb2558351..d945a871ae 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -110,8 +110,9 @@ fast_draw_rgba_pixels(GLcontext *ctx, GLint x, GLint y,
     */
 
    if (format == GL_RGBA && type == rbType) {
-      const GLubyte *src = _mesa_image_address2d(&unpack, pixels, width,
-                                                 height, format, type, 0, 0);
+      const GLubyte *src
+         = (const GLubyte *) _mesa_image_address2d(&unpack, pixels, width,
+                                                   height, format, type, 0, 0);
       const GLint srcStride = _mesa_image_row_stride(&unpack, width,
                                                      format, type);
       if (simpleZoom) {
@@ -139,8 +140,9 @@ fast_draw_rgba_pixels(GLcontext *ctx, GLint x, GLint y,
    }
 
    if (format == GL_RGB && type == rbType) {
-      const GLubyte *src = _mesa_image_address2d(&unpack, pixels, width,
-                                                 height, format, type, 0, 0);
+      const GLubyte *src
+         = (const GLubyte *) _mesa_image_address2d(&unpack, pixels, width,
+                                                   height, format, type, 0, 0);
       const GLint srcStride = _mesa_image_row_stride(&unpack, width,
                                                      format, type);
       if (simpleZoom) {
@@ -640,8 +642,10 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
       /* if the span is wider than MAX_WIDTH we have to do it in chunks */
       while (skipPixels < width) {
          const GLint spanWidth = MIN2(width - skipPixels, MAX_WIDTH);
-         const GLubyte *source = _mesa_image_address2d(unpack, pixels,
-                               width, height, format, type, 0, skipPixels);
+         const GLubyte *source
+            = (const GLubyte *) _mesa_image_address2d(unpack, pixels,
+                                                      width, height, format,
+                                                      type, 0, skipPixels);
          GLint row;
 
          for (row = 0; row < height; row++) {
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 128ce0afb3..27f4736c39 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -94,8 +94,8 @@ read_depth_pixels( GLcontext *ctx,
    /* clipping should have been done already */
    ASSERT(x >= 0);
    ASSERT(y >= 0);
-   ASSERT(x + width <= rb->Width);
-   ASSERT(y + height <= rb->Height);
+   ASSERT(x + width <= (GLint) rb->Width);
+   ASSERT(y + height <= (GLint) rb->Height);
    /* width should never be > MAX_WIDTH since we did clipping earlier */
    ASSERT(width <= MAX_WIDTH);
 
@@ -210,8 +210,8 @@ fast_read_rgba_pixels( GLcontext *ctx,
    ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB);
 
    /* clipping should have already been done */
-   ASSERT(x + width <= rb->Width);
-   ASSERT(y + height <= rb->Height);
+   ASSERT(x + width <= (GLint) rb->Width);
+   ASSERT(y + height <= (GLint) rb->Height);
 
    /* check for things we can't handle here */
    if (transferOps ||
@@ -223,8 +223,9 @@ fast_read_rgba_pixels( GLcontext *ctx,
    if (format == GL_RGBA && rb->DataType == type) {
       const GLint dstStride = _mesa_image_row_stride(packing, width,
                                                      format, type);
-      GLubyte *dest = _mesa_image_address2d(packing, pixels, width, height,
-                                            format, type, 0, 0);
+      GLubyte *dest
+         = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height,
+                                             format, type, 0, 0);
       GLint row;
       ASSERT(rb->GetRow);
       for (row = 0; row < height; row++) {
@@ -239,8 +240,9 @@ fast_read_rgba_pixels( GLcontext *ctx,
        type == GL_UNSIGNED_BYTE) {
       const GLint dstStride = _mesa_image_row_stride(packing, width,
                                                      format, type);
-      GLubyte *dest = _mesa_image_address2d(packing, pixels, width, height,
-                                            format, type, 0, 0);
+      GLubyte *dest
+         = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height,
+                                             format, type, 0, 0);
       GLint row;
       ASSERT(rb->GetRow);
       for (row = 0; row < height; row++) {
@@ -396,8 +398,9 @@ read_rgba_pixels( GLcontext *ctx,
          = _mesa_image_row_stride(packing, width, format, type);
       GLfloat (*rgba)[4] = swrast->SpanArrays->color.sz4.rgba;
       GLint row;
-      GLubyte *dst = _mesa_image_address2d(packing, pixels, width, height,
-                                           format, type, 0, 0);
+      GLubyte *dst
+         = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height,
+                                             format, type, 0, 0);
 
       for (row = 0; row < height; row++, y++) {
 
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index c74b98facf..cca1864ea4 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -1814,7 +1814,9 @@ _swrast_get_values(GLcontext *ctx, struct gl_renderbuffer *rb,
    GLuint i, inCount = 0, inStart = 0;
 
    for (i = 0; i < count; i++) {
-      if (x[i] >= 0 && y[i] >= 0 && x[i] < rb->Width && y[i] < rb->Height) {
+      if (x[i] >= 0 && y[i] >= 0 &&
+          x[i] < (GLint) rb->Width &&
+          y[i] < (GLint) rb->Height) {
          /* inside */
          if (inCount == 0)
             inStart = i;
@@ -1848,10 +1850,10 @@ _swrast_put_row(GLcontext *ctx, struct gl_renderbuffer *rb,
 {
    GLint skip = 0;
 
-   if (y < 0 || y >= rb->Height)
+   if (y < 0 || (GLint) y >= rb->Height)
       return; /* above or below */
 
-   if (x + (GLint) count <= 0 || x >= rb->Width)
+   if (x + (GLint) count <= 0 || x >= (GLint) rb->Width)
       return; /* entirely left or right */
 
    if (x + count > rb->Width) {