diff options
Diffstat (limited to 'src/mesa/main/blend.c')
-rw-r--r-- | src/mesa/main/blend.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/src/mesa/main/blend.c b/src/mesa/main/blend.c index fb5336a816..357d1265c2 100644 --- a/src/mesa/main/blend.c +++ b/src/mesa/main/blend.c @@ -1,4 +1,4 @@ -/* $Id: blend.c,v 1.6 1999/11/08 07:36:43 brianp Exp $ */ +/* $Id: blend.c,v 1.7 1999/11/08 15:28:08 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -259,10 +259,10 @@ void gl_BlendEquation( GLcontext *ctx, GLenum mode ) void gl_BlendColor( GLcontext *ctx, GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) { - ctx->Color.BlendColor[0] = CLAMP( red, 0.0, 1.0 ); - ctx->Color.BlendColor[1] = CLAMP( green, 0.0, 1.0 ); - ctx->Color.BlendColor[2] = CLAMP( blue, 0.0, 1.0 ); - ctx->Color.BlendColor[3] = CLAMP( alpha, 0.0, 1.0 ); + ctx->Color.BlendColor[0] = CLAMP( red, 0.0F, 1.0F ); + ctx->Color.BlendColor[1] = CLAMP( green, 0.0F, 1.0F ); + ctx->Color.BlendColor[2] = CLAMP( blue, 0.0F, 1.0F ); + ctx->Color.BlendColor[3] = CLAMP( alpha, 0.0F, 1.0F ); } @@ -301,10 +301,10 @@ static void blend_transparency( GLcontext *ctx, GLuint n, const GLubyte mask[], ASSERT(g <= 255); ASSERT(b <= 255); ASSERT(a <= 255); - rgba[i][RCOMP] = r; - rgba[i][GCOMP] = g; - rgba[i][BCOMP] = b; - rgba[i][ACOMP] = a; + rgba[i][RCOMP] = (GLubyte) r; + rgba[i][GCOMP] = (GLubyte) g; + rgba[i][BCOMP] = (GLubyte) b; + rgba[i][ACOMP] = (GLubyte) a; } } } @@ -330,10 +330,10 @@ static void blend_add( GLcontext *ctx, GLuint n, const GLubyte mask[], GLint g = rgba[i][GCOMP] + dest[i][GCOMP]; GLint b = rgba[i][BCOMP] + dest[i][BCOMP]; GLint a = rgba[i][ACOMP] + dest[i][ACOMP]; - rgba[i][RCOMP] = MIN2( r, 255 ); - rgba[i][GCOMP] = MIN2( g, 255 ); - rgba[i][BCOMP] = MIN2( b, 255 ); - rgba[i][ACOMP] = MIN2( a, 255 ); + rgba[i][RCOMP] = (GLubyte) MIN2( r, 255 ); + rgba[i][GCOMP] = (GLubyte) MIN2( g, 255 ); + rgba[i][BCOMP] = (GLubyte) MIN2( b, 255 ); + rgba[i][ACOMP] = (GLubyte) MIN2( a, 255 ); } } } @@ -352,10 +352,10 @@ static void blend_min( GLcontext *ctx, GLuint n, const GLubyte mask[], for (i=0;i<n;i++) { if (mask[i]) { - rgba[i][RCOMP] = MIN2( rgba[i][RCOMP], dest[i][RCOMP] ); - rgba[i][GCOMP] = MIN2( rgba[i][GCOMP], dest[i][GCOMP] ); - rgba[i][BCOMP] = MIN2( rgba[i][BCOMP], dest[i][BCOMP] ); - rgba[i][ACOMP] = MIN2( rgba[i][ACOMP], dest[i][ACOMP] ); + rgba[i][RCOMP] = (GLubyte) MIN2( rgba[i][RCOMP], dest[i][RCOMP] ); + rgba[i][GCOMP] = (GLubyte) MIN2( rgba[i][GCOMP], dest[i][GCOMP] ); + rgba[i][BCOMP] = (GLubyte) MIN2( rgba[i][BCOMP], dest[i][BCOMP] ); + rgba[i][ACOMP] = (GLubyte) MIN2( rgba[i][ACOMP], dest[i][ACOMP] ); } } } @@ -374,10 +374,10 @@ static void blend_max( GLcontext *ctx, GLuint n, const GLubyte mask[], for (i=0;i<n;i++) { if (mask[i]) { - rgba[i][RCOMP] = MAX2( rgba[i][RCOMP], dest[i][RCOMP] ); - rgba[i][GCOMP] = MAX2( rgba[i][GCOMP], dest[i][GCOMP] ); - rgba[i][BCOMP] = MAX2( rgba[i][BCOMP], dest[i][BCOMP] ); - rgba[i][ACOMP] = MAX2( rgba[i][ACOMP], dest[i][ACOMP] ); + rgba[i][RCOMP] = (GLubyte) MAX2( rgba[i][RCOMP], dest[i][RCOMP] ); + rgba[i][GCOMP] = (GLubyte) MAX2( rgba[i][GCOMP], dest[i][GCOMP] ); + rgba[i][BCOMP] = (GLubyte) MAX2( rgba[i][BCOMP], dest[i][BCOMP] ); + rgba[i][ACOMP] = (GLubyte) MAX2( rgba[i][ACOMP], dest[i][ACOMP] ); } } } @@ -399,10 +399,10 @@ static void blend_modulate( GLcontext *ctx, GLuint n, const GLubyte mask[], GLint g = (rgba[i][GCOMP] * dest[i][GCOMP]) >> 8; GLint b = (rgba[i][BCOMP] * dest[i][BCOMP]) >> 8; GLint a = (rgba[i][ACOMP] * dest[i][ACOMP]) >> 8; - rgba[i][RCOMP] = r; - rgba[i][GCOMP] = g; - rgba[i][BCOMP] = b; - rgba[i][ACOMP] = a; + rgba[i][RCOMP] = (GLubyte) r; + rgba[i][GCOMP] = (GLubyte) g; + rgba[i][BCOMP] = (GLubyte) b; + rgba[i][ACOMP] = (GLubyte) a; } } } @@ -695,10 +695,10 @@ static void blend_general( GLcontext *ctx, GLuint n, const GLubyte mask[], } /* final clamping */ - rgba[i][RCOMP] = (GLint) CLAMP( r, 0.0F, 255.0F ); - rgba[i][GCOMP] = (GLint) CLAMP( g, 0.0F, 255.0F ); - rgba[i][BCOMP] = (GLint) CLAMP( b, 0.0F, 255.0F ); - rgba[i][ACOMP] = (GLint) CLAMP( a, 0.0F, 255.0F ); + rgba[i][RCOMP] = (GLubyte) (GLint) CLAMP( r, 0.0F, 255.0F ); + rgba[i][GCOMP] = (GLubyte) (GLint) CLAMP( g, 0.0F, 255.0F ); + rgba[i][BCOMP] = (GLubyte) (GLint) CLAMP( b, 0.0F, 255.0F ); + rgba[i][ACOMP] = (GLubyte) (GLint) CLAMP( a, 0.0F, 255.0F ); } } } |