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gallium: in clear_with_quad() check fb orientation, invert Y if needed

This commit is contained in:
Brian 2008-03-20 14:17:06 -06:00
parent 9fa88fb3c5
commit c2044eaca9
1 changed files with 10 additions and 2 deletions
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12
src/mesa/state_tracker/st_cb_clear.c
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@ -165,9 +165,17 @@ clear_with_quad(GLcontext *ctx,
struct st_context *st = ctx->st;
struct pipe_context *pipe = st->pipe;
const GLfloat x0 = ctx->DrawBuffer->_Xmin;
const GLfloat y0 = ctx->DrawBuffer->_Ymin;
const GLfloat x1 = ctx->DrawBuffer->_Xmax;
const GLfloat y1 = ctx->DrawBuffer->_Ymax;
GLfloat y0, y1;
if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
y0 = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax;
y1 = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin;
}
else {
y0 = ctx->DrawBuffer->_Ymin;
y1 = ctx->DrawBuffer->_Ymax;
}
/*
printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__,