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Fix span functions for stencil buffer access.

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This commit is contained in:
Nicolai Haehnle 2005-05-14 11:43:04 +00:00
parent 686e9b9f57
commit 11bd5c1ac4
1 changed files with 8 additions and 10 deletions
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18
src/mesa/drivers/dri/r300/radeon_span.c
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@ -286,8 +286,8 @@ do { \
do { \
GLuint offset = radeon_mba_z32( radeon, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0x00ffffff; \
tmp |= (((d) & 0xff) << 24); \
tmp &= 0xffffff00; \
tmp |= (d) & 0xff; \
*(GLuint *)(buf + offset) = tmp; \
} while (0)
@ -295,8 +295,7 @@ do { \
do { \
GLuint offset = radeon_mba_z32( radeon, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0xff000000; \
d = tmp >> 24; \
d = tmp & 0x000000ff; \
} while (0)
#define TAG(x) radeon##x##_24_8_TILE
@ -306,19 +305,18 @@ do { \
*/
#define WRITE_STENCIL( _x, _y, d ) \
do { \
GLuint offset = (_x + xo)*4 + (_y + yo)*pitch; \
GLuint offset = (_x + xo + (_y + yo)*pitch)*4; \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0x00ffffff; \
tmp |= (((d) & 0xff) << 24); \
tmp &= 0xffffff00; \
tmp |= (d) & 0xff; \
*(GLuint *)(buf + offset) = tmp; \
} while (0)
#define READ_STENCIL( d, _x, _y ) \
do { \
GLuint offset = (_x + xo)*4 + (_y + yo)*pitch; \
GLuint offset = (_x + xo + (_y + yo)*pitch)*4; \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0xff000000; \
d = tmp >> 24; \
d = tmp & 0x000000ff; \
} while (0)
#define TAG(x) radeon##x##_24_8_LINEAR