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authorMichal Krol <[email protected]>2009-12-12 16:48:32 +0100
committerMichal Krol <[email protected]>2009-12-12 16:48:32 +0100
commita3eb0f718e19653a2ad8e49396c904183be456f3 (patch)
tree0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/mesa/swrast/s_readpix.c
parent491f384c3958067e6c4c994041f5d8d413b806bc (diff)
parent784cca9fa527de771754d76545970f78094b9adf (diff)
Merge branch 'master' into glsl-pp-rework-2
Conflicts: progs/perf/drawoverhead.c progs/perf/teximage.c progs/perf/vbo.c progs/perf/vertexrate.c src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/mesa/swrast/s_readpix.c')
-rw-r--r--src/mesa/swrast/s_readpix.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 48b9408d242..44a11cd6dd2 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -29,6 +29,7 @@
#include "main/convolve.h"
#include "main/context.h"
#include "main/feedback.h"
+#include "main/formats.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/imports.h"
@@ -107,7 +108,7 @@ read_depth_pixels( GLcontext *ctx,
&& !biasOrScale && !packing->SwapBytes) {
/* Special case: directly read 16-bit unsigned depth values. */
GLint j;
- ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT16);
+ ASSERT(rb->Format == MESA_FORMAT_Z16);
ASSERT(rb->DataType == GL_UNSIGNED_SHORT);
for (j = 0; j < height; j++, y++) {
void *dest =_mesa_image_address2d(packing, pixels, width, height,
@@ -119,8 +120,12 @@ read_depth_pixels( GLcontext *ctx,
&& !biasOrScale && !packing->SwapBytes) {
/* Special case: directly read 24-bit unsigned depth values. */
GLint j;
- ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT24);
- ASSERT(rb->DataType == GL_UNSIGNED_INT);
+ ASSERT(rb->Format == MESA_FORMAT_X8_Z24 ||
+ rb->Format == MESA_FORMAT_S8_Z24 ||
+ rb->Format == MESA_FORMAT_Z24_X8 ||
+ rb->Format == MESA_FORMAT_Z24_S8);
+ ASSERT(rb->DataType == GL_UNSIGNED_INT ||
+ rb->DataType == GL_UNSIGNED_INT_24_8);
for (j = 0; j < height; j++, y++) {
GLuint *dest = (GLuint *)
_mesa_image_address2d(packing, pixels, width, height,
@@ -128,9 +133,18 @@ read_depth_pixels( GLcontext *ctx,
GLint k;
rb->GetRow(ctx, rb, width, x, y, dest);
/* convert range from 24-bit to 32-bit */
- for (k = 0; k < width; k++) {
- /* Note: put MSByte of 24-bit value into LSByte */
- dest[k] = (dest[k] << 8) | ((dest[k] >> 16) & 0xff);
+ if (rb->Format == MESA_FORMAT_X8_Z24 ||
+ rb->Format == MESA_FORMAT_S8_Z24) {
+ for (k = 0; k < width; k++) {
+ /* Note: put MSByte of 24-bit value into LSByte */
+ dest[k] = (dest[k] << 8) | ((dest[k] >> 16) & 0xff);
+ }
+ }
+ else {
+ for (k = 0; k < width; k++) {
+ /* Note: fill in LSByte by replication */
+ dest[k] = dest[k] | ((dest[k] >> 8) & 0xff);
+ }
}
}
}
@@ -138,7 +152,7 @@ read_depth_pixels( GLcontext *ctx,
&& !biasOrScale && !packing->SwapBytes) {
/* Special case: directly read 32-bit unsigned depth values. */
GLint j;
- ASSERT(rb->InternalFormat == GL_DEPTH_COMPONENT32);
+ ASSERT(rb->Format == MESA_FORMAT_Z32);
ASSERT(rb->DataType == GL_UNSIGNED_INT);
for (j = 0; j < height; j++, y++) {
void *dest = _mesa_image_address2d(packing, pixels, width, height,
@@ -555,15 +569,15 @@ _swrast_ReadPixels( GLcontext *ctx,
SWcontext *swrast = SWRAST_CONTEXT(ctx);
struct gl_pixelstore_attrib clippedPacking = *packing;
+ if (ctx->NewState)
+ _mesa_update_state(ctx);
+
/* Need to do swrast_render_start() before clipping or anything else
* since this is where a driver may grab the hw lock and get an updated
* window size.
*/
swrast_render_start(ctx);
- if (ctx->NewState)
- _mesa_update_state(ctx);
-
if (swrast->NewState)
_swrast_validate_derived( ctx );