diff options
author | Jouk <joukj@tarantella.(none)> | 2007-06-08 13:38:24 +0200 |
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committer | Jouk <joukj@tarantella.(none)> | 2007-06-08 13:38:24 +0200 |
commit | 55f8b7053065ce88296608071feed6f9540f6c0d (patch) | |
tree | 86ac301ed5805c895985040caf56f857de017233 /src/mesa/shader/prog_statevars.c | |
parent | 518f9168862b2096278ae14a65c8c854c208e004 (diff) | |
parent | 7b559a91028d297b34df9ec939bd4d00fad6027c (diff) |
Merge branch 'master' of git+ssh://joukj@git.freedesktop.org/git/mesa/mesa
Diffstat (limited to 'src/mesa/shader/prog_statevars.c')
-rw-r--r-- | src/mesa/shader/prog_statevars.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c index 953fbb9b9f..d37d7fb9bf 100644 --- a/src/mesa/shader/prog_statevars.c +++ b/src/mesa/shader/prog_statevars.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.5.3 + * Version: 7.0 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -121,17 +121,17 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], return; case STATE_HALF_VECTOR: { - GLfloat eye_z[] = {0, 0, 1}; - + static const GLfloat eye_z[] = {0, 0, 1}; + GLfloat p[3]; /* Compute infinite half angle vector: - * half-vector = light_position + (0, 0, 1) - * and then normalize. w = 0 - * + * halfVector = normalize(normalize(lightPos) + (0, 0, 1)) * light.EyePosition.w should be 0 for infinite lights. */ - ADD_3V(value, eye_z, ctx->Light.Light[ln].EyePosition); + COPY_3V(p, ctx->Light.Light[ln].EyePosition); + NORMALIZE_3FV(p); + ADD_3V(value, p, eye_z); NORMALIZE_3FV(value); - value[3] = 0; + value[3] = 1.0; } return; case STATE_POSITION_NORMALIZED: @@ -507,6 +507,8 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]) switch (state[1]) { case STATE_TEXRECT_SCALE: return _NEW_TEXTURE; + case STATE_FOG_PARAMS_OPTIMIZED: + return _NEW_FOG; default: /* unknown state indexes are silently ignored and * no flag set, since it is handled by the driver. |