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authormarha <marha@users.sourceforge.net>2011-09-26 17:04:30 +0200
committermarha <marha@users.sourceforge.net>2011-09-26 17:04:30 +0200
commit873965b49f283ad028dd4e0e5b7e93a758c84993 (patch)
tree84122d76cb641b54ea85cee9b631fb51c25052b5 /mesalib/src/mesa/main/buffers.c
parentc1e6c7428a8d2c1b60ffac7df7a3f56c300fa983 (diff)
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fontconfig libX11 libXext libXft libXmu mesa git update 26 sep 2011
Diffstat (limited to 'mesalib/src/mesa/main/buffers.c')
-rw-r--r--mesalib/src/mesa/main/buffers.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/mesalib/src/mesa/main/buffers.c b/mesalib/src/mesa/main/buffers.c
index a75c9c2e7..adea0f5f7 100644
--- a/mesalib/src/mesa/main/buffers.c
+++ b/mesalib/src/mesa/main/buffers.c
@@ -381,6 +381,7 @@ _mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
GLbitfield mask[MAX_DRAW_BUFFERS];
+ GLuint buf;
if (!destMask) {
/* compute destMask values now */
@@ -410,13 +411,10 @@ _mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
destMask0 &= ~(1 << bufIndex);
}
fb->ColorDrawBuffer[0] = buffers[0];
- if (fb->_NumColorDrawBuffers != count) {
- updated_drawbuffers(ctx);
- fb->_NumColorDrawBuffers = count;
- }
+ fb->_NumColorDrawBuffers = count;
}
else {
- GLuint buf, count = 0;
+ GLuint count = 0;
for (buf = 0; buf < n; buf++ ) {
if (destMask[buf]) {
GLint bufIndex = _mesa_ffs(destMask[buf]) - 1;
@@ -436,21 +434,22 @@ _mesa_drawbuffers(struct gl_context *ctx, GLuint n, const GLenum *buffers,
}
fb->ColorDrawBuffer[buf] = buffers[buf];
}
- /* set remaining outputs to -1 (GL_NONE) */
- while (buf < ctx->Const.MaxDrawBuffers) {
- if (fb->_ColorDrawBufferIndexes[buf] != -1) {
- updated_drawbuffers(ctx);
- fb->_ColorDrawBufferIndexes[buf] = -1;
- }
- fb->ColorDrawBuffer[buf] = GL_NONE;
- buf++;
- }
fb->_NumColorDrawBuffers = count;
}
+ /* set remaining outputs to -1 (GL_NONE) */
+ for (buf = fb->_NumColorDrawBuffers; buf < ctx->Const.MaxDrawBuffers; buf++) {
+ if (fb->_ColorDrawBufferIndexes[buf] != -1) {
+ updated_drawbuffers(ctx);
+ fb->_ColorDrawBufferIndexes[buf] = -1;
+ }
+ }
+ for (buf = n; buf < ctx->Const.MaxDrawBuffers; buf++) {
+ fb->ColorDrawBuffer[buf] = GL_NONE;
+ }
+
if (fb->Name == 0) {
/* also set context drawbuffer state */
- GLuint buf;
for (buf = 0; buf < ctx->Const.MaxDrawBuffers; buf++) {
if (ctx->Color.DrawBuffer[buf] != fb->ColorDrawBuffer[buf]) {
updated_drawbuffers(ctx);