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call Driver.SetReadBuffer() in clear_color_buffers() to fix colormasked clear bug

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This commit is contained in:
Brian Paul
2000-10-19 18:17:19 +00:00
parent cc50ed60b3
commit 9f0bb59c53
1 changed files with 7 additions and 2 deletions
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9
src/mesa/main/buffers.c
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@@ -1,4 +1,4 @@
/* $Id: buffers.c,v 1.13 2000/10/17 00:42:02 brianp Exp $ */
/* $Id: buffers.c,v 1.14 2000/10/19 18:17:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -211,15 +211,19 @@ clear_color_buffers(GLcontext *ctx)
if (bufferBit & ctx->Color.DrawDestMask) {
if (bufferBit == FRONT_LEFT_BIT) {
(void) (*ctx->Driver.SetDrawBuffer)( ctx, GL_FRONT_LEFT);
(void) (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, GL_FRONT_LEFT);
}
else if (bufferBit == FRONT_RIGHT_BIT) {
(void) (*ctx->Driver.SetDrawBuffer)( ctx, GL_FRONT_RIGHT);
(void) (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, GL_FRONT_RIGHT);
}
else if (bufferBit == BACK_LEFT_BIT) {
(void) (*ctx->Driver.SetDrawBuffer)( ctx, GL_BACK_LEFT);
(void) (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, GL_BACK_LEFT);
}
else {
(void) (*ctx->Driver.SetDrawBuffer)( ctx, GL_BACK_RIGHT);
(void) (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer, GL_BACK_RIGHT);
}
if (colorMask != 0xffffffff) {
@@ -231,8 +235,9 @@ clear_color_buffers(GLcontext *ctx)
}
}
/* restore default dest buffer */
/* restore default read/draw buffers */
(void) (*ctx->Driver.SetDrawBuffer)( ctx, ctx->Color.DriverDrawBuffer );
(void) (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer, ctx->Pixel.DriverReadBuffer );
}