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Diffstat (limited to 'src/mesa/swrast/s_readpix.c')
-rw-r--r--src/mesa/swrast/s_readpix.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 3fdd4c727a..be6c2649d6 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -88,7 +88,8 @@ read_depth_pixels( GLcontext *ctx,
{
struct gl_framebuffer *fb = ctx->ReadBuffer;
struct gl_renderbuffer *rb = fb->_DepthBuffer;
- GLboolean bias_or_scale;
+ const GLboolean biasOrScale
+ = ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0;
/* clipping should have been done already */
ASSERT(x >= 0);
@@ -100,10 +101,8 @@ read_depth_pixels( GLcontext *ctx,
ASSERT(rb);
- bias_or_scale = ctx->Pixel.DepthBias != 0.0 || ctx->Pixel.DepthScale != 1.0;
-
if (type == GL_UNSIGNED_SHORT && fb->Visual.depthBits == 16
- && !bias_or_scale && !packing->SwapBytes) {
+ && !biasOrScale && !packing->SwapBytes) {
/* Special case: directly read 16-bit unsigned depth values. */
GLint j;
ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT16);
@@ -115,7 +114,7 @@ read_depth_pixels( GLcontext *ctx,
}
}
else if (type == GL_UNSIGNED_INT && fb->Visual.depthBits == 24
- && !bias_or_scale && !packing->SwapBytes) {
+ && !biasOrScale && !packing->SwapBytes) {
/* Special case: directly read 24-bit unsigned depth values. */
GLint j;
ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT32);
@@ -133,7 +132,7 @@ read_depth_pixels( GLcontext *ctx,
}
}
else if (type == GL_UNSIGNED_INT && fb->Visual.depthBits == 32
- && !bias_or_scale && !packing->SwapBytes) {
+ && !biasOrScale && !packing->SwapBytes) {
/* Special case: directly read 32-bit unsigned depth values. */
GLint j;
ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT32);