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-rw-r--r--src/mesa/main/image.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index e5b9ce82800..ba46cdc1b17 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);*/
}
}