OpenHarmony/third_party_mesa3d
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Changed a number of context fields from GLchan to GLfloat (such as ClearColor).

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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.
This commit is contained in:
Brian Paul
2002-10-04 19:10:06 +00:00
parent f782b8189e
commit fc80ad6e62
24 changed files with 240 additions and 239 deletions
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16
src/mesa/main/buffers.c
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@@ -1,4 +1,4 @@
/* $Id: buffers.c,v 1.37 2002/07/09 01:22:50 brianp Exp $ */
/* $Id: buffers.c,v 1.38 2002/10/04 19:10:07 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -67,20 +67,20 @@ _mesa_ClearIndex( GLfloat c )
void
_mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
{
GLchan tmp[4];
GLfloat tmp[4];
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
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);
tmp[0] = CLAMP(red, 0.0F, 1.0F);
tmp[1] = CLAMP(green, 0.0F, 1.0F);
tmp[2] = CLAMP(blue, 0.0F, 1.0F);
tmp[3] = CLAMP(alpha, 0.0F, 1.0F);
if (TEST_EQ_4V(tmp, ctx->Color.ClearColor))
return;
return; /* no change */
FLUSH_VERTICES(ctx, _NEW_COLOR);
COPY_CHAN4(ctx->Color.ClearColor, tmp);
COPY_4V(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 */