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fixed some buffer clear bugs

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This commit is contained in:
Brian Paul 2000-03-29 15:48:43 +00:00
parent 7d69e9e93f
commit a14ee6b081
1 changed files with 12 additions and 8 deletions
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20
src/mesa/drivers/glide/fxdd.c
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@ -211,6 +211,7 @@ static GLbitfield fxDDClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
* This is a work-around/
*/
/* clear depth */
FX_grDepthMask(FXTRUE);
FX_grRenderBuffer(GR_BUFFER_BACKBUFFER);
FX_grColorMask(FXFALSE,FXFALSE);
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA, clearD);
@ -224,8 +225,8 @@ static GLbitfield fxDDClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
FX_grDepthMask(FXFALSE);
FX_grRenderBuffer(GR_BUFFER_BACKBUFFER);
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA, clearD);
if (!ctx->Depth.Mask) {
FX_grDepthMask(FXFALSE);
if (ctx->Depth.Mask) {
FX_grDepthMask(FXTRUE);
}
break;
case DD_FRONT_LEFT_BIT:
@ -233,8 +234,8 @@ static GLbitfield fxDDClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
FX_grDepthMask(FXFALSE);
FX_grRenderBuffer(GR_BUFFER_FRONTBUFFER);
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA, clearD);
if (!ctx->Depth.Mask) {
FX_grDepthMask(FXFALSE);
if (ctx->Depth.Mask) {
FX_grDepthMask(FXTRUE);
}
break;
case DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT:
@ -244,8 +245,8 @@ static GLbitfield fxDDClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA, clearD);
FX_grRenderBuffer(GR_BUFFER_FRONTBUFFER);
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA, clearD);
if (!ctx->Depth.Mask) {
FX_grDepthMask(FXFALSE);
if (ctx->Depth.Mask) {
FX_grDepthMask(FXTRUE);
}
break;
case DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT | DD_DEPTH_BIT:
@ -263,10 +264,13 @@ static GLbitfield fxDDClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
break;
case DD_DEPTH_BIT:
/* just the depth buffer */
FX_grRenderBuffer(GR_BUFFER_BACKBUFFER);
FX_grColorMask(FXFALSE,FXFALSE);
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA,
(FxU16)(ctx->Depth.Clear*0xffff));
FX_grDepthMask(FXTRUE);
FX_grBufferClear(fxMesa->clearC, fxMesa->clearA, clearD);
FX_grColorMask(FXTRUE, ctx->Color.ColorMask[ACOMP] && fxMesa->haveAlphaBuffer);
if (ctx->Color.DrawDestMask & FRONT_LEFT_BIT)
FX_grRenderBuffer(GR_BUFFER_FRONTBUFFER);
break;
default:
/* error */