[Mesa-dev] [PATCH 01/12] nvc0: allocate an area for compute user constbufs

Michael Schellenberger Costa mschellenbergercosta at googlemail.com
Sun Feb 7 09:38:59 UTC 2016


Hi,

Am 06/02/2016 um 23:38 schrieb Samuel Pitoiset:
> For compute shaders, we might need to upload uniforms.
> 
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/gallium/drivers/nouveau/nvc0/nvc0_screen.c         | 14 +++++++-------
>  src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c | 12 ++++++------
>  src/gallium/drivers/nouveau/nvc0/nvc0_tex.c            |  2 +-
>  src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c            | 10 ++++++----
>  4 files changed, 20 insertions(+), 18 deletions(-)
> 
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> index 2b12de4..84e4253 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
> @@ -889,7 +889,7 @@ nvc0_screen_create(struct nouveau_device *dev)
>      */
>     nouveau_heap_init(&screen->text_heap, 0, (1 << 20) - 0x100);
>  
> -   ret = nouveau_bo_new(dev, NV_VRAM_DOMAIN(&screen->base), 1 << 12, 6 << 16, NULL,
> +   ret = nouveau_bo_new(dev, NV_VRAM_DOMAIN(&screen->base), 1 << 12, 7 << 16, NULL,
>                          &screen->uniform_bo);

There aren't any enums for those magic numbers here and below?

>     if (ret)
>        goto fail;
> @@ -901,8 +901,8 @@ nvc0_screen_create(struct nouveau_device *dev)
>        /* auxiliary constants (6 user clip planes, base instance id) */
>        BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>        PUSH_DATA (push, 1024);
> -      PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (i << 10));
> -      PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (i << 10));
> +      PUSH_DATAh(push, screen->uniform_bo->offset + (6 << 16) + (i << 10));
> +      PUSH_DATA (push, screen->uniform_bo->offset + (6 << 16) + (i << 10));
The pattern (N << 16) + (M << 10)) seems repetitive, would a helper make
sense here (Might help to avoid the magic numbers)?

Michael

>        BEGIN_NVC0(push, NVC0_3D(CB_BIND(i)), 1);
>        PUSH_DATA (push, (15 << 4) | 1);
>        if (screen->eng3d->oclass >= NVE4_3D_CLASS) {
> @@ -922,8 +922,8 @@ nvc0_screen_create(struct nouveau_device *dev)
>     /* return { 0.0, 0.0, 0.0, 0.0 } for out-of-bounds vtxbuf access */
>     BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>     PUSH_DATA (push, 256);
> -   PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (6 << 10));
> -   PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (6 << 10));
> +   PUSH_DATAh(push, screen->uniform_bo->offset + (6 << 16) + (6 << 10));
> +   PUSH_DATA (push, screen->uniform_bo->offset + (6 << 16) + (6 << 10));
>     BEGIN_1IC0(push, NVC0_3D(CB_POS), 5);
>     PUSH_DATA (push, 0);
>     PUSH_DATAf(push, 0.0f);
> @@ -931,8 +931,8 @@ nvc0_screen_create(struct nouveau_device *dev)
>     PUSH_DATAf(push, 0.0f);
>     PUSH_DATAf(push, 0.0f);
>     BEGIN_NVC0(push, NVC0_3D(VERTEX_RUNOUT_ADDRESS_HIGH), 2);
> -   PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (6 << 10));
> -   PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (6 << 10));
> +   PUSH_DATAh(push, screen->uniform_bo->offset + (6 << 16) + (6 << 10));
> +   PUSH_DATA (push, screen->uniform_bo->offset + (6 << 16) + (6 << 10));
>  
>     if (screen->base.drm->version >= 0x01000101) {
>        ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c
> index c17223a..2bb9b44 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c
> @@ -184,8 +184,8 @@ nvc0_validate_fb(struct nvc0_context *nvc0)
>      ms = 1 << ms_mode;
>      BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>      PUSH_DATA (push, 1024);
> -    PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (5 << 16) + (4 << 10));
> -    PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (5 << 16) + (4 << 10));
> +    PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (6 << 16) + (4 << 10));
> +    PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (6 << 16) + (4 << 10));
>      BEGIN_1IC0(push, NVC0_3D(CB_POS), 1 + 2 * ms);
>      PUSH_DATA (push, 256 + 128);
>      for (i = 0; i < ms; i++) {
> @@ -318,8 +318,8 @@ nvc0_upload_uclip_planes(struct nvc0_context *nvc0, unsigned s)
>  
>     BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>     PUSH_DATA (push, 1024);
> -   PUSH_DATAh(push, bo->offset + (5 << 16) + (s << 10));
> -   PUSH_DATA (push, bo->offset + (5 << 16) + (s << 10));
> +   PUSH_DATAh(push, bo->offset + (6 << 16) + (s << 10));
> +   PUSH_DATA (push, bo->offset + (6 << 16) + (s << 10));
>     BEGIN_1IC0(push, NVC0_3D(CB_POS), PIPE_MAX_CLIP_PLANES * 4 + 1);
>     PUSH_DATA (push, 256);
>     PUSH_DATAp(push, &nvc0->clip.ucp[0][0], PIPE_MAX_CLIP_PLANES * 4);
> @@ -479,8 +479,8 @@ nvc0_validate_buffers(struct nvc0_context *nvc0)
>     for (s = 0; s < 5; s++) {
>        BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>        PUSH_DATA (push, 1024);
> -      PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (5 << 16) + (s << 10));
> -      PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (5 << 16) + (s << 10));
> +      PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (6 << 16) + (s << 10));
> +      PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (6 << 16) + (s << 10));
>        BEGIN_1IC0(push, NVC0_3D(CB_POS), 1 + 4 * NVC0_MAX_BUFFERS);
>        PUSH_DATA (push, 512);
>        for (i = 0; i < NVC0_MAX_BUFFERS; i++) {
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c b/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> index 7223f5a..24bbff6 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_tex.c
> @@ -513,7 +513,7 @@ nve4_set_tex_handles(struct nvc0_context *nvc0)
>  
>     if (nvc0->screen->base.class_3d < NVE4_3D_CLASS)
>        return;
> -   address = nvc0->screen->uniform_bo->offset + (5 << 16);
> +   address = nvc0->screen->uniform_bo->offset + (6 << 16);
>  
>     for (s = 0; s < 5; ++s, address += (1 << 10)) {
>        uint32_t dirty = nvc0->textures_dirty[s] | nvc0->samplers_dirty[s];
> diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
> index 44aed1a..3456e2a 100644
> --- a/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
> +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_vbo.c
> @@ -833,8 +833,10 @@ nvc0_draw_indirect(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
>     /* Queue things up to let the macros write params to the driver constbuf */
>     BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>     PUSH_DATA (push, 512);
> -   PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (5 << 16) + (0 << 9));
> -   PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (5 << 16) + (0 << 9));
> +   PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (6 << 16) + (0 << 9));
> +   PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (6 << 16) + (0 << 9));
> +   BEGIN_NVC0(push, NVC0_3D(CB_POS), 1);
> +   PUSH_DATA (push, 256 + 128);
>  
>     if (info->indexed) {
>        assert(nvc0->idxbuf.buffer);
> @@ -974,8 +976,8 @@ nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
>        PUSH_SPACE(push, 9);
>        BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
>        PUSH_DATA (push, 512);
> -      PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (5 << 16) + (0 << 9));
> -      PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (5 << 16) + (0 << 9));
> +      PUSH_DATAh(push, nvc0->screen->uniform_bo->offset + (6 << 16) + (0 << 9));
> +      PUSH_DATA (push, nvc0->screen->uniform_bo->offset + (6 << 16) + (0 << 9));
>        if (!info->indirect) {
>           BEGIN_1IC0(push, NVC0_3D(CB_POS), 1 + 3);
>           PUSH_DATA (push, 256 + 128);
> 


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