From 25cfb68f0b3baf0e74d1f6a37afab46370f6711b Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Sun, 8 Jul 2007 09:02:36 -0600
Subject: Change float depthScale param to _mesa_unpack_depth_span() to GLuint
 depthMax.

---
 src/mesa/main/image.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

(limited to 'src/mesa/main/image.c')

diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index e5b9ce8280..ba46cdc1b1 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -3889,12 +3889,12 @@ _mesa_pack_stencil_span( const GLcontext *ctx, GLuint n,
  * The glPixelTransfer (scale/bias) params will be applied.
  *
  * \param dstType  one of GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, GL_FLOAT
- * \param depthScale  scale factor (max value) for returned GLushort or
- *                    GLuint values (ignored for GLfloat).
+ * \param depthMax  max value for returned GLushort or GLuint values
+ *                  (ignored for GLfloat).
  */
 void
 _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n,
-                         GLenum dstType, GLvoid *dest, GLfloat depthScale,
+                         GLenum dstType, GLvoid *dest, GLuint depthMax,
                          GLenum srcType, const GLvoid *source,
                          const struct gl_pixelstore_attrib *srcPacking )
 {
@@ -3919,7 +3919,7 @@ _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n,
       }
       if (srcType == GL_UNSIGNED_SHORT
           && dstType == GL_UNSIGNED_INT
-          && depthScale == (GLfloat) 0xffffffff) {
+          && depthMax == 0xffffffff) {
          const GLushort *src = (const GLushort *) source;
          GLuint *dst = (GLuint *) dest;
          GLuint i;
@@ -3967,7 +3967,7 @@ _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n,
          break;
       case GL_UNSIGNED_INT_24_8_EXT: /* GL_EXT_packed_depth_stencil */
          if (dstType == GL_UNSIGNED_INT &&
-             depthScale == (GLfloat) 0xffffff &&
+             depthMax == 0xffffff &&
              ctx->Pixel.DepthScale == 1.0 &&
              ctx->Pixel.DepthBias == 0.0) {
             const GLuint *src = (const GLuint *) source;
@@ -4045,16 +4045,16 @@ _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n,
    if (dstType == GL_UNSIGNED_INT) {
       GLuint *zValues = (GLuint *) dest;
       GLuint i;
-      if (depthScale <= (GLfloat) 0xffffff) {
+      if (depthMax <= 0xffffff) {
          /* no overflow worries */
          for (i = 0; i < n; i++) {
-            zValues[i] = (GLuint) (depthValues[i] * depthScale);
+            zValues[i] = (GLuint) (depthValues[i] * (GLfloat) depthMax);
          }
       }
       else {
          /* need to use double precision to prevent overflow problems */
          for (i = 0; i < n; i++) {
-            GLdouble z = depthValues[i] * depthScale;
+            GLdouble z = depthValues[i] * (GLfloat) depthMax;
             if (z >= (GLdouble) 0xffffffff)
                zValues[i] = 0xffffffff;
             else
@@ -4065,14 +4065,14 @@ _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n,
    else if (dstType == GL_UNSIGNED_SHORT) {
       GLushort *zValues = (GLushort *) dest;
       GLuint i;
-      ASSERT(depthScale <= 65535.0);
+      ASSERT(depthMax <= 0xffff);
       for (i = 0; i < n; i++) {
-         zValues[i] = (GLushort) (depthValues[i] * depthScale);
+         zValues[i] = (GLushort) (depthValues[i] * (GLfloat) depthMax);
       }
    }
    else {
       ASSERT(dstType == GL_FLOAT);
-      ASSERT(depthScale == 1.0F);
+      /*ASSERT(depthMax == 1.0F);*/
    }
 }
 
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