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path: root/src/gallium/drivers/nvfx/nvfx_state_viewport.c
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Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_state_viewport.c')
-rw-r--r--src/gallium/drivers/nvfx/nvfx_state_viewport.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_state_viewport.c b/src/gallium/drivers/nvfx/nvfx_state_viewport.c
new file mode 100644
index 0000000000..ec730e3a9e
--- /dev/null
+++ b/src/gallium/drivers/nvfx/nvfx_state_viewport.c
@@ -0,0 +1,52 @@
+#include "nvfx_context.h"
+
+/* Having this depend on FB and RAST looks wrong, but it seems
+ necessary to make this work on nv3x
+ TODO: find the right fix
+*/
+
+static boolean
+nvfx_state_viewport_validate(struct nvfx_context *nvfx)
+{
+ struct pipe_viewport_state *vpt = &nvfx->viewport;
+ struct nouveau_stateobj *so;
+
+ so = so_new(2, 9, 0);
+ so_method(so, nvfx->screen->eng3d,
+ NV34TCL_VIEWPORT_TRANSLATE_X, 8);
+ if(nvfx->render_mode == HW) {
+ so_data (so, fui(vpt->translate[0]));
+ so_data (so, fui(vpt->translate[1]));
+ so_data (so, fui(vpt->translate[2]));
+ so_data (so, fui(vpt->translate[3]));
+ so_data (so, fui(vpt->scale[0]));
+ so_data (so, fui(vpt->scale[1]));
+ so_data (so, fui(vpt->scale[2]));
+ so_data (so, fui(vpt->scale[3]));
+ so_method(so, nvfx->screen->eng3d, 0x1d78, 1);
+ so_data (so, 1);
+ } else {
+ so_data (so, fui(0.0f));
+ so_data (so, fui(0.0f));
+ so_data (so, fui(0.0f));
+ so_data (so, fui(0.0f));
+ so_data (so, fui(1.0f));
+ so_data (so, fui(1.0f));
+ so_data (so, fui(1.0f));
+ so_data (so, fui(1.0f));
+ so_method(so, nvfx->screen->eng3d, 0x1d78, 1);
+ so_data (so, nvfx->is_nv4x ? 0x110 : 1);
+ }
+
+ so_ref(so, &nvfx->state.hw[NVFX_STATE_VIEWPORT]);
+ so_ref(NULL, &so);
+ return TRUE;
+}
+
+struct nvfx_state_entry nvfx_state_viewport = {
+ .validate = nvfx_state_viewport_validate,
+ .dirty = {
+ .pipe = NVFX_NEW_VIEWPORT | NVFX_NEW_FB | NVFX_NEW_RAST,
+ .hw = NVFX_STATE_VIEWPORT
+ }
+};