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Synchronize drawable to the pipe where the bigger part can be visible.

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This requires the DDX driver to set the corresponding fields in the SAREA,
so check its minor version.
This commit is contained in:
Michel Dänzer 2006-09-28 14:10:47 +00:00
parent 4abf2706e9
commit af866291da
1 changed files with 30 additions and 0 deletions
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30
src/mesa/drivers/dri/i915/intel_context.c
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@ -572,6 +572,36 @@ void intelWindowMoved( intelContextPtr intel )
{
GLcontext *ctx = &intel->ctx;
if (intel->intelScreen->driScrnPriv->ddxMinor >= 7) {
drmI830Sarea *sarea = intel->sarea;
drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
.y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
drm_clip_rect_t pipeA_rect = { .x1 = sarea->pipeA_x,
.x2 = sarea->pipeA_x + sarea->pipeA_w,
.y1 = sarea->pipeA_y,
.y2 = sarea->pipeA_y + sarea->pipeA_h };
drm_clip_rect_t pipeB_rect = { .x1 = sarea->pipeB_x,
.x2 = sarea->pipeB_x + sarea->pipeB_w,
.y1 = sarea->pipeB_y,
.y2 = sarea->pipeB_y + sarea->pipeB_h };
GLint areaA = driIntersectArea( drw_rect, pipeA_rect );
GLint areaB = driIntersectArea( drw_rect, pipeB_rect );
GLuint flags = intel->vblank_flags;
if (areaB > areaA || (areaA > 0 && areaB > 0)) {
flags = intel->vblank_flags | VBLANK_FLAG_SECONDARY;
} else {
flags = intel->vblank_flags & ~VBLANK_FLAG_SECONDARY;
}
if (flags != intel->vblank_flags) {
intel->vblank_flags = flags;
driGetCurrentVBlank(dPriv, intel->vblank_flags, &intel->vbl_seq);
}
} else {
intel->vblank_flags &= ~VBLANK_FLAG_SECONDARY;
}
ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
ctx->Scissor.Width, ctx->Scissor.Height );