diff options
| author | Brian Paul <brianp@vmware.com> | 2009-03-09 21:20:25 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-04-01 20:24:22 -0600 |
| commit | aef2e1c1dcda77b6dc5fcfd2de7c9d720effa4e7 (patch) | |
| tree | 6590391525b00152693b87ea26b68aa41ccd08a2 /src/mesa/swrast/s_texcombine.c | |
| parent | efe3d10aea305c89e66decfb5a9012feb7a4695c (diff) | |
swrast: minor improvements, clean-ups in texcombine code
Diffstat (limited to 'src/mesa/swrast/s_texcombine.c')
| -rw-r--r-- | src/mesa/swrast/s_texcombine.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c index f783f56add..550c99b7d2 100644 --- a/src/mesa/swrast/s_texcombine.c +++ b/src/mesa/swrast/s_texcombine.c @@ -189,15 +189,15 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, break; case GL_SRC_ALPHA: for (i = 0; i < n; i++) { - dst[i][RCOMP] = src[i][ACOMP]; - dst[i][GCOMP] = src[i][ACOMP]; + dst[i][RCOMP] = + dst[i][GCOMP] = dst[i][BCOMP] = src[i][ACOMP]; } break; case GL_ONE_MINUS_SRC_ALPHA: for (i = 0; i < n; i++) { - dst[i][RCOMP] = 1.0F - src[i][ACOMP]; - dst[i][GCOMP] = 1.0F - src[i][ACOMP]; + dst[i][RCOMP] = + dst[i][GCOMP] = dst[i][BCOMP] = 1.0F - src[i][ACOMP]; } break; @@ -361,7 +361,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, (arg0[i][BCOMP] - 0.5F) * (arg1[i][BCOMP] - 0.5F)) * 4.0F; dot = CLAMP(dot, 0.0F, 1.0F); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = (GLfloat) dot; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = dot; } break; case GL_DOT3_RGB: @@ -373,7 +373,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, (arg0[i][BCOMP] - 0.5F) * (arg1[i][BCOMP] - 0.5F)) * 4.0F * scaleRGB; dot = CLAMP(dot, 0.0, 1.0F); - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = (GLfloat) dot; + rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = dot; } break; case GL_MODULATE_ADD_ATI: @@ -440,8 +440,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, switch (combine->ModeA) { case GL_REPLACE: for (i = 0; i < n; i++) { - GLfloat a = arg0[i][ACOMP] * scaleA; - rgba[i][ACOMP] = (GLfloat) MIN2(a, 1.0F); + rgba[i][ACOMP] = arg0[i][ACOMP] * scaleA; } break; case GL_MODULATE: @@ -481,7 +480,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, } break; case GL_INTERPOLATE: - for (i=0; i<n; i++) { + for (i = 0; i < n; i++) { rgba[i][ACOMP] = (arg0[i][ACOMP] * arg2[i][ACOMP] + arg1[i][ACOMP] * (1.0F - arg2[i][ACOMP])) * scaleA; |