mesalib git update 23/1/2011

1 files changed, 13 insertions, 7 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
index a03e53a50..570873916 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
@@ -41,6 +41,7 @@
 

 #include "pipe/p_context.h"

 #include "pipe/p_defines.h"

+#include "util/u_format.h"

 #include "util/u_inlines.h"

 #include "util/u_tile.h"

 

@@ -336,6 +337,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
    struct st_renderbuffer *strb;

    struct gl_pixelstore_attrib clippedPacking = *pack;

    struct pipe_transfer *trans;

+   enum pipe_format pformat;

 

    assert(ctx->ReadBuffer->Width > 0);

 

@@ -421,6 +423,9 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
       yStep = 1;

    }

 

+   /* possibly convert sRGB format to linear RGB format */

+   pformat = util_format_linear(trans->resource->format);

+

    if (ST_DEBUG & DEBUG_FALLBACK)

       debug_printf("%s: fallback processing\n", __FUNCTION__);

 

@@ -435,8 +440,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
       const GLint dstStride = _mesa_image_row_stride(&clippedPacking, width,

                                                      format, type);

 

-      if (trans->resource->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||

-          trans->resource->format == PIPE_FORMAT_Z24X8_UNORM) {

+      if (pformat == PIPE_FORMAT_Z24_UNORM_S8_USCALED ||

+          pformat == PIPE_FORMAT_Z24X8_UNORM) {

          if (format == GL_DEPTH_COMPONENT) {

             for (i = 0; i < height; i++) {

                GLuint ztemp[MAX_WIDTH];

@@ -467,8 +472,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
             }

          }

       }

-      else if (trans->resource->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||

-               trans->resource->format == PIPE_FORMAT_X8Z24_UNORM) {

+      else if (pformat == PIPE_FORMAT_S8_USCALED_Z24_UNORM ||

+               pformat == PIPE_FORMAT_X8Z24_UNORM) {

          if (format == GL_DEPTH_COMPONENT) {

             for (i = 0; i < height; i++) {

                GLuint ztemp[MAX_WIDTH];

@@ -494,7 +499,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
             }

          }

       }

-      else if (trans->resource->format == PIPE_FORMAT_Z16_UNORM) {

+      else if (pformat == PIPE_FORMAT_Z16_UNORM) {

          for (i = 0; i < height; i++) {

             GLushort ztemp[MAX_WIDTH];

             GLfloat zfloat[MAX_WIDTH];

@@ -509,7 +514,7 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
             dst += dstStride;

          }

       }

-      else if (trans->resource->format == PIPE_FORMAT_Z32_UNORM) {

+      else if (pformat == PIPE_FORMAT_Z32_UNORM) {

          for (i = 0; i < height; i++) {

             GLuint ztemp[MAX_WIDTH];

             GLfloat zfloat[MAX_WIDTH];

@@ -528,7 +533,8 @@ st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei h
          /* RGBA format */

          /* Do a row at a time to flip image data vertically */

          for (i = 0; i < height; i++) {

-            pipe_get_tile_rgba(pipe, trans, 0, y, width, 1, df);

+            pipe_get_tile_rgba_format(pipe, trans, 0, y, width, 1,

+                                      pformat, df);

             y += yStep;

             df += dfStride;

             if (!dfStride) {