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.

1 files changed, 6 insertions, 5 deletions

diff --git a/src/mesa/drivers/allegro/generic.h b/src/mesa/drivers/allegro/generic.h
index 898a055d623..cbdf5ff2b3a 100644
--- a/src/mesa/drivers/allegro/generic.h
+++ b/src/mesa/drivers/allegro/generic.h
@@ -18,13 +18,14 @@
  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  */

 

-static void clear_color_generic(GLcontext *ctx,

-                                GLubyte red,  GLubyte green,

-                                GLubyte blue, GLubyte alpha)

+static void clear_color_generic(GLcontext *ctx, const GLfloat color[4])

     {

     AMesaContext context = (AMesaContext)(ctx->DriverCtx);

-

-    context->ClearColor = makecol(red, green, blue);

+    GLubyte r, g, b;

+    CLAMPED_FLOAT_TO_UBYTE(r, color[0]);

+    CLAMPED_FLOAT_TO_UBYTE(g, color[1]);

+    CLAMPED_FLOAT_TO_UBYTE(b, color[2]);

+    context->ClearColor = makecol(r, g, b);

     }