Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 1 +
src/gallium/drivers/nouveau/nvc0/nvc0_screen.h | 1 +
src/gallium/drivers/nouveau/nvc0/nvc0_shader_state.c | 3 ---
src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c | 6 ++++++
4 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index ff552ae..4bc41f2 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -1004,6 +1004,7 @@ nvc0_screen_create(struct nouveau_device *dev)
PUSH_DATA (push, 0x20);
BEGIN_NVC0(push, NVC0_3D(SP_SELECT(0)), 1);
PUSH_DATA (push, 0x00);
+ screen->save_state.patch_vertices = 3;
BEGIN_NVC0(push, NVC0_3D(POINT_COORD_REPLACE), 1);
PUSH_DATA (push, 0);
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.h
b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.h
index ef2bd43..c79211e 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.h
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.h
@@ -38,6 +38,7 @@ struct nvc0_graph_state {
uint32_t constant_elts;
int32_t index_bias;
uint16_t scissor;
+ uint8_t patch_vertices;
uint8_t vbo_mode; /* 0 = normal, 1 = translate, 3 = translate, forced */
uint8_t num_vtxbufs;
uint8_t num_vtxelts;
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_shader_state.c
b/src/gallium/drivers/nouveau/nvc0/nvc0_shader_state.c
index 516b33b..32f4519 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_shader_state.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_shader_state.c
@@ -147,9 +147,6 @@ nvc0_tctlprog_validate(struct nvc0_context *nvc0)
PUSH_DATA (push, tp->code_base);
BEGIN_NVC0(push, NVC0_3D(SP_GPR_ALLOC(2)), 1);
PUSH_DATA (push, tp->num_gprs);
-
- if (tp->tp.input_patch_size <= 32)
- IMMED_NVC0(push, NVC0_3D(PATCH_VERTICES), tp->tp.input_patch_size);
} else {
BEGIN_NVC0(push, NVC0_3D(SP_SELECT(2)), 1);
PUSH_DATA (push, 0x20);
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
index f8e2759..fb7b073 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
@@ -887,6 +887,12 @@ nvc0_draw_vbo(struct pipe_context *pipe, const struct
pipe_draw_info *info)
}
}
+ if (info->mode == PIPE_PRIM_PATCHES &&
+ nvc0->state.patch_vertices != info->vertices_per_patch) {
+ IMMED_NVC0(push, NVC0_3D(PATCH_VERTICES), nvc0->state.patch_vertices);
+ nvc0->state.patch_vertices = info->vertices_per_patch;
+ }
+
/* 8 as minimum to avoid immediate double validation of new buffers */
nvc0_state_validate(nvc0, ~0, 8);
--
2.3.6
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