fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-25 04:20:08 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

nvc0: add support for setting patch vertices at draw time

Browse source 
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2015-05-17 00:40:20 -04:00
parent b9ea557fd0
commit d1ffdebce6
4 changed files with 8 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
View file

@ -1021,6 +1021,7 @@ 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);

1
src/gallium/drivers/nouveau/nvc0/nvc0_screen.h
View file

@ -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;

3
src/gallium/drivers/nouveau/nvc0/nvc0_shader_state.c
View file

@ -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);

6
src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
View file

@ -888,6 +888,12 @@ 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) {
nvc0->state.patch_vertices = info->vertices_per_patch;
IMMED_NVC0(push, NVC0_3D(PATCH_VERTICES), nvc0->state.patch_vertices);
}
/* 8 as minimum to avoid immediate double validation of new buffers */
nvc0_state_validate(nvc0, ~0, 8);