OpenHarmony/third_party_mesa3d
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fix bug 13978: glDrawBuffersARB() didn't set all necessary state

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Brian
2008-01-09 14:19:50 -07:00
parent c0fd6a0903
commit 8c4806ccc4
1 changed files with 2 additions and 0 deletions
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src/mesa/main/buffers.c
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@@ -540,6 +540,7 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
for (buf = 0; buf < n; buf++ ) {
if (destMask[buf]) {
fb->_ColorDrawBufferIndexes[buf] = _mesa_ffs(destMask[buf]) - 1;
fb->ColorDrawBuffer[buf] = buffers[buf];
count = buf + 1;
}
else {
@@ -549,6 +550,7 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
/* set remaining outputs to -1 (GL_NONE) */
while (buf < ctx->Const.MaxDrawBuffers) {
fb->_ColorDrawBufferIndexes[buf] = -1;
fb->ColorDrawBuffer[buf] = GL_NONE;
buf++;
}
fb->_NumColorDrawBuffers = count;