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authorBrian Paul <brian.paul@tungstengraphics.com>2002-10-04 19:10:06 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2002-10-04 19:10:06 +0000
commitfc80ad6e62fb2b53d53756593099330477a44c52 (patch)
tree0b47f3ee84d613dfa2264d6f23e5c2a60cecc9ba /src/mesa/drivers/ggi
parentf782b8189e718974a40d72ac4f6b8d213ca99e1e (diff)
Changed a number of context fields from GLchan to GLfloat (such as ClearColor).
Also changed parameter types for some driver functions (like ctx->Driver.Clear- Color). Updated all the device drivers. Someday, we want to support 8, 16 and 32-bit channels dynamically at runtime.
Diffstat (limited to 'src/mesa/drivers/ggi')
-rw-r--r--src/mesa/drivers/ggi/ggimesa.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/src/mesa/drivers/ggi/ggimesa.c b/src/mesa/drivers/ggi/ggimesa.c
index 6fff79648c..94364f49e4 100644
--- a/src/mesa/drivers/ggi/ggimesa.c
+++ b/src/mesa/drivers/ggi/ggimesa.c
@@ -96,17 +96,22 @@ static void gl_ggiSetClearIndex(GLcontext *ctx, GLuint ci)
ggi_ctx->clearcolor = (ggi_pixel)ci;
}
-static void gl_ggiSetClearColor(GLcontext *ctx, const GLchan color[4])
+static void gl_ggiSetClearColor(GLcontext *ctx, const GLfloat color[4])
{
ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx;
ggi_color rgb;
ggi_pixel col;
-
+ GLubyte byteColor[3];
+
GGIMESADPRINT_CORE("gl_ggiSetClearColor() called\n");
- rgb.r = (uint16)color[0] << SHIFT;
- rgb.g = (uint16)color[1] << SHIFT;
- rgb.b = (uint16)color[2] << SHIFT;
+ CLAMPED_FLOAT_TO_UBYTE(byteColor[0], color[0]);
+ CLAMPED_FLOAT_TO_UBYTE(byteColor[1], color[1]);
+ CLAMPED_FLOAT_TO_UBYTE(byteColor[2], color[2]);
+
+ rgb.r = (uint16)byteColor[0] << SHIFT;
+ rgb.g = (uint16)byteColor[1] << SHIFT;
+ rgb.b = (uint16)byteColor[2] << SHIFT;
col = ggiMapColor(ggi_ctx->ggi_visual, &rgb);
ggiSetGCForeground(ggi_ctx->ggi_visual, col);
ggi_ctx->clearcolor = col;