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Replacing alpha test bits with values that give desired results as compaired to software rendering. Alpha test in textures is still completely broken as can be seen in progs/demos/fire and various games.

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This commit is contained in:
Aapo Tahkola 2005-03-13 12:23:08 +00:00
parent 4f05e61543
commit 278c6025f9
1 changed files with 1 additions and 8 deletions
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9
src/mesa/drivers/dri/r300/r300_reg.h
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@ -1000,19 +1000,12 @@ I am fairly certain that they are correct unless stated otherwise in comments.
# define R300_REF_ALPHA_MASK 0x000000ff
# define R300_ALPHA_TEST_FAIL (0 << 8)
# define R300_ALPHA_TEST_LESS (1 << 8)
# define R300_ALPHA_TEST_LEQUAL (2 << 8)
# define R300_ALPHA_TEST_EQUAL (3 << 8)
# define R300_ALPHA_TEST_GEQUAL (4 << 8)
# define R300_ALPHA_TEST_GREATER (5 << 8)
# define R300_ALPHA_TEST_NEQUAL (6 << 8)
# define R300_ALPHA_TEST_PASS (7 << 8)
/* // Possibly more correct values:
# define R300_ALPHA_TEST_LEQUAL (3 << 8)
# define R300_ALPHA_TEST_EQUAL (2 << 8)
# define R300_ALPHA_TEST_GEQUAL (6 << 8)
# define R300_ALPHA_TEST_GREATER (4 << 8)
# define R300_ALPHA_TEST_NEQUAL (5 << 8)
*/
# define R300_ALPHA_TEST_PASS (7 << 8)
# define R300_ALPHA_TEST_OP_MASK (7 << 8)
# define R300_ALPHA_TEST_ENABLE (1 << 11)