diff options
author | Ian Romanick <ian.d.romanick@intel.com> | 2010-02-24 16:07:11 -0800 |
---|---|---|
committer | Ian Romanick <ian.d.romanick@intel.com> | 2010-03-03 12:37:04 -0800 |
commit | b00362e51b28b4ea43c5f42353182146bd5e802b (patch) | |
tree | fd58f5fc0e196a03eff1726ce2a424c3e06ee77d /src | |
parent | c00282102aea387e8c0fb29811d0ea8f010f145a (diff) |
swrast: Remove _swrast_fog_ci_span and associated code
After all the recent color-index rendering removal,
_swrast_fog_ci_span is no longer used anywhere.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/swrast/s_fog.c | 85 | ||||
-rw-r--r-- | src/mesa/swrast/s_fog.h | 4 |
2 files changed, 0 insertions, 89 deletions
diff --git a/src/mesa/swrast/s_fog.c b/src/mesa/swrast/s_fog.c index 0472bbf553c..3fc84392133 100644 --- a/src/mesa/swrast/s_fog.c +++ b/src/mesa/swrast/s_fog.c @@ -122,38 +122,6 @@ else { \ } \ } -/* As above, but CI mode (XXX try to merge someday) */ -#define FOG_LOOP_CI(FOG_FUNC) \ -if (span->arrayAttribs & FRAG_BIT_FOGC) { \ - GLuint i; \ - for (i = 0; i < span->end; i++) { \ - const GLfloat fogCoord = span->array->attribs[FRAG_ATTRIB_FOGC][i][0]; \ - const GLfloat c = FABSF(fogCoord); \ - GLfloat f; \ - FOG_FUNC(f, c); \ - f = CLAMP(f, 0.0F, 1.0F); \ - index[i] = (GLuint) ((GLfloat) index[i] + (1.0F - f) * fogIndex); \ - } \ -} \ -else { \ - const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; \ - GLfloat fogCoord = span->attrStart[FRAG_ATTRIB_FOGC][0]; \ - const GLfloat wStep = span->attrStepX[FRAG_ATTRIB_WPOS][3]; \ - GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3]; \ - GLuint i; \ - for (i = 0; i < span->end; i++) { \ - const GLfloat c = FABSF(fogCoord) / w; \ - GLfloat f; \ - FOG_FUNC(f, c); \ - f = CLAMP(f, 0.0F, 1.0F); \ - index[i] = (GLuint) ((GLfloat) index[i] + (1.0F - f) * fogIndex); \ - fogCoord += fogStep; \ - w += wStep; \ - } \ -} - - - /** * Apply fog to a span of RGBA pixels. * The fog value are either in the span->array->fog array or interpolated from @@ -275,56 +243,3 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) } } } - - -/** - * As above, but color index mode. - */ -void -_swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ) -{ - const SWcontext *swrast = CONST_SWRAST_CONTEXT(ctx); - const GLuint fogIndex = (GLuint) ctx->Fog.Index; - GLuint *index = span->array->index; - - ASSERT(swrast->_FogEnabled); - ASSERT(span->arrayMask & SPAN_INDEX); - - /* we need to compute fog blend factors */ - if (swrast->_PreferPixelFog) { - /* The span's fog values are fog coordinates, now compute blend factors - * and blend the fragment colors with the fog color. - */ - switch (ctx->Fog.Mode) { - case GL_LINEAR: - { - const GLfloat fogEnd = ctx->Fog.End; - const GLfloat fogScale = (ctx->Fog.Start == ctx->Fog.End) - ? 1.0F : 1.0F / (ctx->Fog.End - ctx->Fog.Start); - FOG_LOOP_CI(LINEAR_FOG); - } - break; - case GL_EXP: - { - const GLfloat density = -ctx->Fog.Density; - FOG_LOOP_CI(EXP_FOG); - } - break; - case GL_EXP2: - { - const GLfloat negDensitySquared = -ctx->Fog.Density * ctx->Fog.Density; - FOG_LOOP_CI(EXP2_FOG); - } - break; - default: - _mesa_problem(ctx, "Bad fog mode in _swrast_fog_ci_span"); - return; - } - } - else { - /* The span's fog start/step/array values are blend factors in [0,1]. - * They were previously computed per-vertex. - */ - FOG_LOOP_CI(BLEND_FOG); - } -} diff --git a/src/mesa/swrast/s_fog.h b/src/mesa/swrast/s_fog.h index 50760d88af7..06107de3f9d 100644 --- a/src/mesa/swrast/s_fog.h +++ b/src/mesa/swrast/s_fog.h @@ -37,8 +37,4 @@ _swrast_z_to_fogfactor(GLcontext *ctx, GLfloat z); extern void _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ); -extern void -_swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ); - - #endif |