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authorEric Anholt <[email protected]>2009-02-25 23:58:38 -0800
committerEric Anholt <[email protected]>2009-02-26 00:13:26 -0800
commit2b34275a784501225f605f11db801b5f2d7cdc64 (patch)
treee5f5f53ea5d989cece1f01c0c8828d464b95e97e /src/mesa
parent43a45439465eff483486e7f86620e1d09978497f (diff)
intel: Add span code for z24 without stencil.
It seems that in this case the Mesa code is handing us x8z24 values instead of z24s8 values, so we need to not do the rotation. Fixes half of OGLconform depthrange.c. Bug #19447.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/intel/intel_span.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c
index b397fbebce2..c3a873f1abd 100644
--- a/src/mesa/drivers/dri/intel/intel_span.c
+++ b/src/mesa/drivers/dri/intel/intel_span.c
@@ -349,6 +349,13 @@ static uint32_t y_tile_swizzle(struct intel_renderbuffer *irb,
#define INTEL_TAG(name) name##_z16
#include "intel_depthtmp.h"
+/* z24 depthbuffer functions. */
+#define INTEL_VALUE_TYPE GLuint
+#define INTEL_WRITE_DEPTH(offset, d) pwrite_32(irb, offset, d)
+#define INTEL_READ_DEPTH(offset) pread_32(irb, offset)
+#define INTEL_TAG(name) name##_z24
+#include "intel_depthtmp.h"
+
/* z24s8 depthbuffer functions. */
#define INTEL_VALUE_TYPE GLuint
#define INTEL_WRITE_DEPTH(offset, d) pwrite_32(irb, offset, z24s8_to_s8z24(d))
@@ -613,8 +620,21 @@ intel_set_span_functions(struct intel_context *intel,
break;
}
}
- else if (rb->_ActualFormat == GL_DEPTH_COMPONENT24 || /* XXX FBO remove */
- rb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) {
+ else if (rb->_ActualFormat == GL_DEPTH_COMPONENT24) {
+ switch (tiling) {
+ case I915_TILING_NONE:
+ default:
+ intelInitDepthPointers_z24(rb);
+ break;
+ case I915_TILING_X:
+ intel_XTile_InitDepthPointers_z24(rb);
+ break;
+ case I915_TILING_Y:
+ intel_YTile_InitDepthPointers_z24(rb);
+ break;
+ }
+ }
+ else if (rb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) {
switch (tiling) {
case I915_TILING_NONE:
default: