diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_state_fb.c')
| -rw-r--r-- | src/gallium/drivers/nv40/nv40_state_fb.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_state_fb.c b/src/gallium/drivers/nv40/nv40_state_fb.c new file mode 100644 index 00000000000..454abad31f4 --- /dev/null +++ b/src/gallium/drivers/nv40/nv40_state_fb.c @@ -0,0 +1,162 @@ +#include "nv40_context.h" +#include "nouveau/nouveau_util.h" + +static struct pipe_buffer * +nv40_surface_buffer(struct pipe_surface *surface) +{ + struct nv40_miptree *mt = (struct nv40_miptree *)surface->texture; + return mt->buffer; +} + +static boolean +nv40_state_framebuffer_validate(struct nv40_context *nv40) +{ + struct pipe_framebuffer_state *fb = &nv40->framebuffer; + struct pipe_surface *rt[4], *zeta; + uint32_t rt_enable, rt_format; + int i, colour_format = 0, zeta_format = 0; + struct nouveau_stateobj *so = so_new(64, 10); + unsigned rt_flags = NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM; + unsigned w = fb->width; + unsigned h = fb->height; + + rt_enable = 0; + for (i = 0; i < fb->nr_cbufs; i++) { + if (colour_format) { + assert(colour_format == fb->cbufs[i]->format); + } else { + colour_format = fb->cbufs[i]->format; + rt_enable |= (NV40TCL_RT_ENABLE_COLOR0 << i); + rt[i] = fb->cbufs[i]; + } + } + + if (rt_enable & (NV40TCL_RT_ENABLE_COLOR1 | NV40TCL_RT_ENABLE_COLOR2 | + NV40TCL_RT_ENABLE_COLOR3)) + rt_enable |= NV40TCL_RT_ENABLE_MRT; + + if (fb->zsbuf) { + zeta_format = fb->zsbuf->format; + zeta = fb->zsbuf; + } + + if (!(rt[0]->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) { + assert(!(fb->width & (fb->width - 1)) && !(fb->height & (fb->height - 1))); + for (i = 1; i < fb->nr_cbufs; i++) + assert(!(rt[i]->texture->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)); + + rt_format = NV40TCL_RT_FORMAT_TYPE_SWIZZLED | + log2i(fb->width) << NV40TCL_RT_FORMAT_LOG2_WIDTH_SHIFT | + log2i(fb->height) << NV40TCL_RT_FORMAT_LOG2_HEIGHT_SHIFT; + } + else + rt_format = NV40TCL_RT_FORMAT_TYPE_LINEAR; + + switch (colour_format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case 0: + rt_format |= NV40TCL_RT_FORMAT_COLOR_A8R8G8B8; + break; + case PIPE_FORMAT_R5G6B5_UNORM: + rt_format |= NV40TCL_RT_FORMAT_COLOR_R5G6B5; + break; + default: + assert(0); + } + + switch (zeta_format) { + case PIPE_FORMAT_Z16_UNORM: + rt_format |= NV40TCL_RT_FORMAT_ZETA_Z16; + break; + case PIPE_FORMAT_Z24S8_UNORM: + case 0: + rt_format |= NV40TCL_RT_FORMAT_ZETA_Z24S8; + break; + default: + assert(0); + } + + if (rt_enable & NV40TCL_RT_ENABLE_COLOR0) { + so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR0, 1); + so_reloc (so, nv40_surface_buffer(rt[0]), 0, rt_flags | NOUVEAU_BO_OR, + nv40->nvws->channel->vram->handle, + nv40->nvws->channel->gart->handle); + so_method(so, nv40->screen->curie, NV40TCL_COLOR0_PITCH, 2); + so_data (so, rt[0]->stride); + so_reloc (so, nv40_surface_buffer(rt[0]), rt[0]->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + } + + if (rt_enable & NV40TCL_RT_ENABLE_COLOR1) { + so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR1, 1); + so_reloc (so, nv40_surface_buffer(rt[1]), 0, rt_flags | NOUVEAU_BO_OR, + nv40->nvws->channel->vram->handle, + nv40->nvws->channel->gart->handle); + so_method(so, nv40->screen->curie, NV40TCL_COLOR1_OFFSET, 2); + so_reloc (so, nv40_surface_buffer(rt[1]), rt[1]->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + so_data (so, rt[1]->stride); + } + + if (rt_enable & NV40TCL_RT_ENABLE_COLOR2) { + so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR2, 1); + so_reloc (so, nv40_surface_buffer(rt[2]), 0, rt_flags | NOUVEAU_BO_OR, + nv40->nvws->channel->vram->handle, + nv40->nvws->channel->gart->handle); + so_method(so, nv40->screen->curie, NV40TCL_COLOR2_OFFSET, 1); + so_reloc (so, nv40_surface_buffer(rt[2]), rt[2]->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + so_method(so, nv40->screen->curie, NV40TCL_COLOR2_PITCH, 1); + so_data (so, rt[2]->stride); + } + + if (rt_enable & NV40TCL_RT_ENABLE_COLOR3) { + so_method(so, nv40->screen->curie, NV40TCL_DMA_COLOR3, 1); + so_reloc (so, nv40_surface_buffer(rt[3]), 0, rt_flags | NOUVEAU_BO_OR, + nv40->nvws->channel->vram->handle, + nv40->nvws->channel->gart->handle); + so_method(so, nv40->screen->curie, NV40TCL_COLOR3_OFFSET, 1); + so_reloc (so, nv40_surface_buffer(rt[3]), rt[3]->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + so_method(so, nv40->screen->curie, NV40TCL_COLOR3_PITCH, 1); + so_data (so, rt[3]->stride); + } + + if (zeta_format) { + so_method(so, nv40->screen->curie, NV40TCL_DMA_ZETA, 1); + so_reloc (so, nv40_surface_buffer(zeta), 0, rt_flags | NOUVEAU_BO_OR, + nv40->nvws->channel->vram->handle, + nv40->nvws->channel->gart->handle); + so_method(so, nv40->screen->curie, NV40TCL_ZETA_OFFSET, 1); + so_reloc (so, nv40_surface_buffer(zeta), zeta->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + so_method(so, nv40->screen->curie, NV40TCL_ZETA_PITCH, 1); + so_data (so, zeta->stride); + } + + so_method(so, nv40->screen->curie, NV40TCL_RT_ENABLE, 1); + so_data (so, rt_enable); + so_method(so, nv40->screen->curie, NV40TCL_RT_HORIZ, 3); + so_data (so, (w << 16) | 0); + so_data (so, (h << 16) | 0); + so_data (so, rt_format); + so_method(so, nv40->screen->curie, NV40TCL_VIEWPORT_HORIZ, 2); + so_data (so, (w << 16) | 0); + so_data (so, (h << 16) | 0); + so_method(so, nv40->screen->curie, NV40TCL_VIEWPORT_CLIP_HORIZ(0), 2); + so_data (so, ((w - 1) << 16) | 0); + so_data (so, ((h - 1) << 16) | 0); + so_method(so, nv40->screen->curie, 0x1d88, 1); + so_data (so, (1 << 12) | h); + + so_ref(so, &nv40->state.hw[NV40_STATE_FB]); + return TRUE; +} + +struct nv40_state_entry nv40_state_framebuffer = { + .validate = nv40_state_framebuffer_validate, + .dirty = { + .pipe = NV40_NEW_FB, + .hw = NV40_STATE_FB + } +}; |