diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-10-23 17:45:38 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-10-24 12:32:42 -0600 |
| commit | 47f2e97019d367e544439d0604b824b7bd2643c7 (patch) | |
| tree | af41097cf5cba01b500a71b9eb0e4c3fbbb62567 /src/mesa | |
| parent | af960431675ddb51c24da29ac183399401b62362 (diff) | |
get_tile() for z16, z32, s8z24 surfaces needs to return 4 floats per pixel (for depth texture sampling)
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_surface.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c index 40f045800f..057a311cd9 100644 --- a/src/mesa/pipe/softpipe/sp_surface.c +++ b/src/mesa/pipe/softpipe/sp_surface.c @@ -162,7 +162,7 @@ a1r5g5b5_get_tile(struct pipe_surface *ps, /*** PIPE_FORMAT_U_Z16 ***/ /** - * Return as floats in [0,1]. + * Return each Z value as four floats in [0,1]. */ static void z16_get_tile(struct pipe_surface *ps, @@ -182,10 +182,13 @@ z16_get_tile(struct pipe_surface *ps, for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { - pRow[j] = src[j] * scale; + pRow[j * 4 + 0] = + pRow[j * 4 + 1] = + pRow[j * 4 + 2] = + pRow[j * 4 + 3] = src[j] * scale; } src += ps->region->pitch; - p += w0; + p += 4 * w0; } } @@ -391,7 +394,7 @@ a8_l8_get_tile(struct pipe_surface *ps, /*** PIPE_FORMAT_U_Z32 ***/ /** - * Return as floats in [0,1]. + * Return each Z value as four floats in [0,1]. */ static void z32_get_tile(struct pipe_surface *ps, @@ -411,10 +414,13 @@ z32_get_tile(struct pipe_surface *ps, for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { - pRow[j] = src[j] * scale; + pRow[j * 4 + 0] = + pRow[j * 4 + 1] = + pRow[j * 4 + 2] = + pRow[j * 4 + 3] = src[j] * scale; } src += ps->region->pitch; - p += w0; + p += 4 * w0; } } @@ -422,7 +428,7 @@ z32_get_tile(struct pipe_surface *ps, /*** PIPE_FORMAT_S8_Z24 ***/ /** - * Return Z component as float in [0,1]. Stencil part ignored. + * Return Z component as four float in [0,1]. Stencil part ignored. */ static void s8z24_get_tile(struct pipe_surface *ps, @@ -442,10 +448,13 @@ s8z24_get_tile(struct pipe_surface *ps, for (i = 0; i < h; i++) { float *pRow = p; for (j = 0; j < w; j++) { - pRow[j] = (src[j] & 0xffffff) * scale; + pRow[j * 4 + 0] = + pRow[j * 4 + 1] = + pRow[j * 4 + 2] = + pRow[j * 4 + 3] = (src[j] & 0xffffff) * scale; } src += ps->region->pitch; - p += w0; + p += 4 * w0; } } |