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authorJosé Fonseca <[email protected]>2009-03-27 19:50:15 +0000
committerJosé Fonseca <[email protected]>2009-03-27 19:51:33 +0000
commite0a55dc9dae39384c18dd275081c24b7dce14eeb (patch)
treef10b226fe1d8498dc3f75bf80dd1c58997ff5742 /src/mesa/state_tracker
parent2431a027c197c7172d6769eb616d4301cc6a0bca (diff)
mesa: Support Z24S8 wherever S8Z24 is supported.
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_cb_drawpixels.c21
-rw-r--r--src/mesa/state_tracker/st_cb_readpixels.c27
2 files changed, 48 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index 821ea67ce46..f9f139ff073 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -686,6 +686,17 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y,
}
}
break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ {
+ uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4);
+ GLint k;
+ for (k = 0; k < spanWidth; k++) {
+ uint p = dest[k];
+ p = (p & 0xffffff00) | (values[k] & 0xff);
+ dest[k] = p;
+ }
+ }
+ break;
default:
assert(0);
}
@@ -821,6 +832,16 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
}
}
break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ {
+ uint *dst4 = (uint *) dst;
+ int j;
+ for (j = 0; j < width; j++) {
+ *dst4 = (*dst4 & 0xffffff00) | (src[j] & 0xff);
+ dst4++;
+ }
+ }
+ break;
case PIPE_FORMAT_S8_UNORM:
memcpy(dst, src, width);
break;
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 2a4beccd90e..ce7a8cda4e8 100644
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -420,6 +420,33 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
}
}
}
+ else if (trans->format == PIPE_FORMAT_Z24S8_UNORM ||
+ trans->format == PIPE_FORMAT_Z24X8_UNORM) {
+ if (format == GL_DEPTH_COMPONENT) {
+ for (i = 0; i < height; i++) {
+ GLuint ztemp[MAX_WIDTH];
+ GLfloat zfloat[MAX_WIDTH];
+ const double scale = 1.0 / ((1 << 24) - 1);
+ pipe_get_tile_raw(trans, 0, y, width, 1, ztemp, 0);
+ y += yStep;
+ for (j = 0; j < width; j++) {
+ zfloat[j] = (float) (scale * ((ztemp[j] >> 8) & 0xffffff));
+ }
+ _mesa_pack_depth_span(ctx, width, dst, type,
+ zfloat, &clippedPacking);
+ dst += dstStride;
+ }
+ }
+ else {
+ /* untested, but simple: */
+ assert(format == GL_DEPTH_STENCIL_EXT);
+ for (i = 0; i < height; i++) {
+ pipe_get_tile_raw(trans, 0, y, width, 1, dst, 0);
+ y += yStep;
+ dst += dstStride;
+ }
+ }
+ }
else if (trans->format == PIPE_FORMAT_Z16_UNORM) {
for (i = 0; i < height; i++) {
GLushort ztemp[MAX_WIDTH];