diff options
| author | Brian Paul <[email protected]> | 2008-05-18 15:55:24 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2008-05-18 15:55:24 -0600 |
| commit | 88c0a7463328ef47106ea0afbeb148ebd4e6d067 (patch) | |
| tree | 96c200004ba948ab46860611d932cbf06ec101c6 /src/mesa/shader | |
| parent | 6e92968d751ce3006b5ca0fc59eced20c94dc507 (diff) | |
additional fog/color matrix changes from gallium-0.1
Diffstat (limited to 'src/mesa/shader')
| -rw-r--r-- | src/mesa/shader/prog_statevars.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c index 592a63651c3..539057b4382 100644 --- a/src/mesa/shader/prog_statevars.c +++ b/src/mesa/shader/prog_statevars.c @@ -425,8 +425,9 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], * exp: 2^-(density/ln(2) * fogcoord) * exp2: 2^-((density/(ln(2)^2) * fogcoord)^2) */ - value[0] = -1.0F / (ctx->Fog.End - ctx->Fog.Start); - value[1] = ctx->Fog.End / (ctx->Fog.End - ctx->Fog.Start); + value[0] = (ctx->Fog.End == ctx->Fog.Start) + ? 1.0 : -1.0F / (ctx->Fog.End - ctx->Fog.Start); + value[1] = ctx->Fog.End * -value[0]; value[2] = ctx->Fog.Density * ONE_DIV_LN2; value[3] = ctx->Fog.Density * ONE_DIV_SQRT_LN2; return; @@ -515,6 +516,8 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]) return _NEW_TEXTURE_MATRIX; case STATE_PROGRAM_MATRIX: return _NEW_TRACK_MATRIX; + case STATE_COLOR_MATRIX: + return _NEW_COLOR_MATRIX; case STATE_DEPTH_RANGE: return _NEW_VIEWPORT; @@ -608,6 +611,9 @@ append_token(char *dst, gl_state_index k) case STATE_PROGRAM_MATRIX: append(dst, "matrix.program"); break; + case STATE_COLOR_MATRIX: + append(dst, "matrix.color"); + break; case STATE_MATRIX_INVERSE: append(dst, ".inverse"); break; @@ -783,6 +789,7 @@ _mesa_program_state_string(const gl_state_index state[STATE_LENGTH]) case STATE_MVP_MATRIX: case STATE_TEXTURE_MATRIX: case STATE_PROGRAM_MATRIX: + case STATE_COLOR_MATRIX: { /* state[0] = modelview, projection, texture, etc. */ /* state[1] = which texture matrix or program matrix */ @@ -850,10 +857,12 @@ _mesa_load_state_parameters(GLcontext *ctx, if (!paramList) return; + /*assert(ctx->Driver.NeedFlush == 0);*/ + for (i = 0; i < paramList->NumParameters; i++) { if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) { _mesa_fetch_state(ctx, - paramList->Parameters[i].StateIndexes, + (gl_state_index *) paramList->Parameters[i].StateIndexes, paramList->ParameterValues[i]); } } |