diff options
Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_state_scissor.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nvfx_state_scissor.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_state_scissor.c b/src/gallium/drivers/nvfx/nvfx_state_scissor.c new file mode 100644 index 0000000000..9077266120 --- /dev/null +++ b/src/gallium/drivers/nvfx/nvfx_state_scissor.c @@ -0,0 +1,23 @@ +#include "nvfx_context.h" + +void +nvfx_state_scissor_validate(struct nvfx_context *nvfx) +{ + struct nouveau_channel *chan = nvfx->screen->base.channel; + struct pipe_rasterizer_state *rast = &nvfx->rasterizer->pipe; + struct pipe_scissor_state *s = &nvfx->scissor; + + if ((rast->scissor == 0 && nvfx->state.scissor_enabled == 0)) + return; + nvfx->state.scissor_enabled = rast->scissor; + + WAIT_RING(chan, 3); + OUT_RING(chan, RING_3D(NV34TCL_SCISSOR_HORIZ, 2)); + if (nvfx->state.scissor_enabled) { + OUT_RING(chan, ((s->maxx - s->minx) << 16) | s->minx); + OUT_RING(chan, ((s->maxy - s->miny) << 16) | s->miny); + } else { + OUT_RING(chan, 4096 << 16); + OUT_RING(chan, 4096 << 16); + } +} |