diff options
Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_state_scissor.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nvfx_state_scissor.c | 36 |
1 files changed, 36 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..940d8cb5c0 --- /dev/null +++ b/src/gallium/drivers/nvfx/nvfx_state_scissor.c @@ -0,0 +1,36 @@ +#include "nvfx_context.h" + +static boolean +nvfx_state_scissor_validate(struct nvfx_context *nvfx) +{ + struct pipe_rasterizer_state *rast = &nvfx->rasterizer->pipe; + struct pipe_scissor_state *s = &nvfx->scissor; + struct nouveau_stateobj *so; + + if (nvfx->state.hw[NVFX_STATE_SCISSOR] && + (rast->scissor == 0 && nvfx->state.scissor_enabled == 0)) + return FALSE; + nvfx->state.scissor_enabled = rast->scissor; + + so = so_new(1, 2, 0); + so_method(so, nvfx->screen->eng3d, NV34TCL_SCISSOR_HORIZ, 2); + if (nvfx->state.scissor_enabled) { + so_data (so, ((s->maxx - s->minx) << 16) | s->minx); + so_data (so, ((s->maxy - s->miny) << 16) | s->miny); + } else { + so_data (so, 4096 << 16); + so_data (so, 4096 << 16); + } + + so_ref(so, &nvfx->state.hw[NVFX_STATE_SCISSOR]); + so_ref(NULL, &so); + return TRUE; +} + +struct nvfx_state_entry nvfx_state_scissor = { + .validate = nvfx_state_scissor_validate, + .dirty = { + .pipe = NVFX_NEW_SCISSOR | NVFX_NEW_RAST, + .hw = NVFX_STATE_SCISSOR + } +}; |