diff options
Diffstat (limited to 'src/mesa/swrast/s_context.c')
-rw-r--r-- | src/mesa/swrast/s_context.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c index 55b835bf85c..d4782aacb97 100644 --- a/src/mesa/swrast/s_context.c +++ b/src/mesa/swrast/s_context.c @@ -505,45 +505,43 @@ _swrast_update_texture_samplers(GLcontext *ctx) /** - * Update the swrast->_FragmentAttribs field. + * Update swrast->_ActiveAttribs and swrast->_NumActiveAttribs */ static void _swrast_update_fragment_attribs(GLcontext *ctx) { SWcontext *swrast = SWRAST_CONTEXT(ctx); + GLuint attribsMask; if (ctx->FragmentProgram._Current) { - swrast->_FragmentAttribs - = ctx->FragmentProgram._Current->Base.InputsRead; + attribsMask = ctx->FragmentProgram._Current->Base.InputsRead; } else { GLuint u; - swrast->_FragmentAttribs = 0x0; + attribsMask = 0x0; if (ctx->Depth.Test) - swrast->_FragmentAttribs |= FRAG_BIT_WPOS; + attribsMask |= FRAG_BIT_WPOS; if (NEED_SECONDARY_COLOR(ctx)) - swrast->_FragmentAttribs |= FRAG_BIT_COL1; + attribsMask |= FRAG_BIT_COL1; if (swrast->_FogEnabled) - swrast->_FragmentAttribs |= FRAG_BIT_FOGC; + attribsMask |= FRAG_BIT_FOGC; for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { if (ctx->Texture.Unit[u]._ReallyEnabled) { - swrast->_FragmentAttribs |= FRAG_BIT_TEX(u); + attribsMask |= FRAG_BIT_TEX(u); } } } - /* Find lowest, highest bit set in _FragmentAttribs */ + /* Update _ActiveAttribs[] list */ { - GLuint bits = swrast->_FragmentAttribs; - GLuint i = 0;; - while (bits) { - i++; - bits = bits >> 1; + GLuint i, num = 0; + for (i = 0; i < FRAG_ATTRIB_MAX; i++) { + if (attribsMask & (1 << i)) + swrast->_ActiveAttribs[num++] = i; } - swrast->_MaxFragmentAttrib = i; - swrast->_MinFragmentAttrib = FRAG_ATTRIB_TEX0; /* XXX temporary */ + swrast->_NumActiveAttribs = num; } } |