diff options
Diffstat (limited to 'src/mesa/main/buffers.c')
| -rw-r--r-- | src/mesa/main/buffers.c | 37 |
1 files changed, 15 insertions, 22 deletions
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c index 410524e3352..0699e74b90d 100644 --- a/src/mesa/main/buffers.c +++ b/src/mesa/main/buffers.c @@ -1,4 +1,4 @@ -/* $Id: buffers.c,v 1.23 2001/01/23 23:39:36 brianp Exp $ */ +/* $Id: buffers.c,v 1.24 2001/01/24 00:04:58 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -31,6 +31,7 @@ #include "glheader.h" #include "accum.h" #include "buffers.h" +#include "colormac.h" #include "context.h" #include "depth.h" #include "enums.h" @@ -51,14 +52,13 @@ _mesa_ClearIndex( GLfloat c ) GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - if (ctx->Color.ClearIndex == (GLuint)c) + if (ctx->Color.ClearIndex == (GLuint) c) return; - FLUSH_VERTICES(ctx, _NEW_COLOR); ctx->Color.ClearIndex = (GLuint) c; - if (!ctx->Visual.rgbMode) { + if (!ctx->Visual.rgbMode && ctx->Driver.ClearIndex) { /* it's OK to call glClearIndex in RGBA mode but it should be a NOP */ (*ctx->Driver.ClearIndex)( ctx, ctx->Color.ClearIndex ); } @@ -67,38 +67,31 @@ _mesa_ClearIndex( GLfloat c ) void -_mesa_ClearColor( GLclampf red, GLclampf green, - GLclampf blue, GLclampf alpha ) +_mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha ) { - GLfloat tmp[4]; + GLchan tmp[4]; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - tmp[0] = CLAMP( red, 0.0, 1.0 ); - tmp[1] = CLAMP( green, 0.0, 1.0 ); - tmp[2] = CLAMP( blue, 0.0, 1.0 ); - tmp[3] = CLAMP( alpha, 0.0, 1.0 ); + UNCLAMPED_FLOAT_TO_CHAN(tmp[0], red); + UNCLAMPED_FLOAT_TO_CHAN(tmp[1], green); + UNCLAMPED_FLOAT_TO_CHAN(tmp[2], blue); + UNCLAMPED_FLOAT_TO_CHAN(tmp[3], alpha); if (TEST_EQ_4V(tmp, ctx->Color.ClearColor)) return; FLUSH_VERTICES(ctx, _NEW_COLOR); - COPY_4FV( ctx->Color.ClearColor, tmp ); - - if (ctx->Visual.rgbMode) { - GLchan r = (GLint) (ctx->Color.ClearColor[0] * CHAN_MAXF); - GLchan g = (GLint) (ctx->Color.ClearColor[1] * CHAN_MAXF); - GLchan b = (GLint) (ctx->Color.ClearColor[2] * CHAN_MAXF); - GLchan a = (GLint) (ctx->Color.ClearColor[3] * CHAN_MAXF); - (*ctx->Driver.ClearColor)( ctx, r, g, b, a ); + COPY_CHAN4(ctx->Color.ClearColor, tmp); + + if (ctx->Visual.rgbMode && ctx->Driver.ClearColor) { + /* it's OK to call glClearColor in CI mode but it should be a NOP */ + (*ctx->Driver.ClearColor)(ctx, ctx->Color.ClearColor); } } - - - void _mesa_Clear( GLbitfield mask ) { |