diff options
| author | Jerome Glisse <jglisse@redhat.com> | 2010-01-18 11:05:50 +0100 |
|---|---|---|
| committer | Jerome Glisse <jglisse@redhat.com> | 2010-01-18 12:14:07 +0100 |
| commit | 46dc6fd3ed5ef96cda53641a97bc68c3bc104a9f (patch) | |
| tree | e05c97abfefb4f21e9b39cdfa9a782ac62be92ae | |
| parent | 7b82f0f67e4614fc12aee492b0a3cdf5db7391df (diff) | |
r6xx/r7xx: emit relocation for FRAG & TILE buffer
FRAG & TILE buffer are unused but still they need
to be associated with a valid relocation so that
userspace can't try to abuse them to overwritte
GART and then try to write anywhere in system
memory.
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_chip.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_chip.c b/src/mesa/drivers/dri/r600/r700_chip.c index 3bc2d2ba02b..1a1a87c3cf9 100644 --- a/src/mesa/drivers/dri/r600/r700_chip.c +++ b/src/mesa/drivers/dri/r600/r700_chip.c @@ -453,13 +453,31 @@ static void r700SendRenderTargetState(GLcontext *ctx, struct radeon_state_atom * R600_OUT_BATCH((2 << id)); END_BATCH(); } + /* Set CMASK & TILE buffer to the offset of color buffer as + * we don't use those this shouldn't cause any issue and we + * then have a valid cmd stream + */ + BEGIN_BATCH_NO_AUTOSTATE(3 + 2); + R600_OUT_BATCH_REGSEQ(CB_COLOR0_TILE + (4 * id), 1); + R600_OUT_BATCH(r700->render_target[id].CB_COLOR0_TILE.u32All); + R600_OUT_BATCH_RELOC(r700->render_target[id].CB_COLOR0_BASE.u32All, + rrb->bo, + r700->render_target[id].CB_COLOR0_BASE.u32All, + 0, RADEON_GEM_DOMAIN_VRAM, 0); + END_BATCH(); + BEGIN_BATCH_NO_AUTOSTATE(3 + 2); + R600_OUT_BATCH_REGSEQ(CB_COLOR0_FRAG + (4 * id), 1); + R600_OUT_BATCH(r700->render_target[id].CB_COLOR0_FRAG.u32All); + R600_OUT_BATCH_RELOC(r700->render_target[id].CB_COLOR0_BASE.u32All, + rrb->bo, + r700->render_target[id].CB_COLOR0_BASE.u32All, + 0, RADEON_GEM_DOMAIN_VRAM, 0); + END_BATCH(); - BEGIN_BATCH_NO_AUTOSTATE(18); + BEGIN_BATCH_NO_AUTOSTATE(12); R600_OUT_BATCH_REGVAL(CB_COLOR0_SIZE + (4 * id), r700->render_target[id].CB_COLOR0_SIZE.u32All); R600_OUT_BATCH_REGVAL(CB_COLOR0_VIEW + (4 * id), r700->render_target[id].CB_COLOR0_VIEW.u32All); R600_OUT_BATCH_REGVAL(CB_COLOR0_INFO + (4 * id), r700->render_target[id].CB_COLOR0_INFO.u32All); - R600_OUT_BATCH_REGVAL(CB_COLOR0_TILE + (4 * id), r700->render_target[id].CB_COLOR0_TILE.u32All); - R600_OUT_BATCH_REGVAL(CB_COLOR0_FRAG + (4 * id), r700->render_target[id].CB_COLOR0_FRAG.u32All); R600_OUT_BATCH_REGVAL(CB_COLOR0_MASK + (4 * id), r700->render_target[id].CB_COLOR0_MASK.u32All); END_BATCH(); |