diff options
Diffstat (limited to 'src/gallium/drivers/nv30/nv30_state_fb.c')
| -rw-r--r-- | src/gallium/drivers/nv30/nv30_state_fb.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c b/src/gallium/drivers/nv30/nv30_state_fb.c new file mode 100644 index 0000000000..d93e2bb5c8 --- /dev/null +++ b/src/gallium/drivers/nv30/nv30_state_fb.c @@ -0,0 +1,128 @@ +#include "nv30_context.h" + +static boolean +nv30_state_framebuffer_validate(struct nv30_context *nv30) +{ + struct pipe_framebuffer_state *fb = &nv30->framebuffer; + struct pipe_surface *rt[2], *zeta = NULL; + 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->num_cbufs; i++) { + if (colour_format) { + assert(colour_format == fb->cbufs[i]->format); + } else { + colour_format = fb->cbufs[i]->format; + rt_enable |= (NV34TCL_RT_ENABLE_COLOR0 << i); + rt[i] = fb->cbufs[i]; + } + } + + if (rt_enable & NV34TCL_RT_ENABLE_COLOR1) + rt_enable |= NV34TCL_RT_ENABLE_MRT; + + if (fb->zsbuf) { + zeta_format = fb->zsbuf->format; + zeta = fb->zsbuf; + } + + rt_format = NV34TCL_RT_FORMAT_TYPE_LINEAR; + + switch (colour_format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case 0: + rt_format |= NV34TCL_RT_FORMAT_COLOR_A8R8G8B8; + break; + case PIPE_FORMAT_R5G6B5_UNORM: + rt_format |= NV34TCL_RT_FORMAT_COLOR_R5G6B5; + break; + default: + assert(0); + } + + switch (zeta_format) { + case PIPE_FORMAT_Z16_UNORM: + rt_format |= NV34TCL_RT_FORMAT_ZETA_Z16; + break; + case PIPE_FORMAT_Z24S8_UNORM: + case 0: + rt_format |= NV34TCL_RT_FORMAT_ZETA_Z24S8; + break; + default: + assert(0); + } + + if (rt_enable & NV34TCL_RT_ENABLE_COLOR0) { + uint32_t pitch = rt[0]->stride; + if (zeta) { + pitch |= (zeta->stride << 16); + } else { + pitch |= (pitch << 16); + } + + so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR0, 1); + so_reloc (so, rt[0]->buffer, 0, rt_flags | NOUVEAU_BO_OR, + nv30->nvws->channel->vram->handle, + nv30->nvws->channel->gart->handle); + so_method(so, nv30->screen->rankine, NV34TCL_COLOR0_PITCH, 2); + so_data (so, pitch); + so_reloc (so, rt[0]->buffer, rt[0]->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + } + + if (rt_enable & NV34TCL_RT_ENABLE_COLOR1) { + so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR1, 1); + so_reloc (so, rt[1]->buffer, 0, rt_flags | NOUVEAU_BO_OR, + nv30->nvws->channel->vram->handle, + nv30->nvws->channel->gart->handle); + so_method(so, nv30->screen->rankine, NV34TCL_COLOR1_OFFSET, 2); + so_reloc (so, rt[1]->buffer, rt[1]->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + so_data (so, rt[1]->stride); + } + + if (zeta_format) { + so_method(so, nv30->screen->rankine, NV34TCL_DMA_ZETA, 1); + so_reloc (so, zeta->buffer, 0, rt_flags | NOUVEAU_BO_OR, + nv30->nvws->channel->vram->handle, + nv30->nvws->channel->gart->handle); + so_method(so, nv30->screen->rankine, NV34TCL_ZETA_OFFSET, 1); + so_reloc (so, zeta->buffer, zeta->offset, rt_flags | + NOUVEAU_BO_LOW, 0, 0); + /* TODO: allocate LMA depth buffer */ + } + + so_method(so, nv30->screen->rankine, NV34TCL_RT_ENABLE, 1); + so_data (so, rt_enable); + so_method(so, nv30->screen->rankine, NV34TCL_RT_HORIZ, 3); + so_data (so, (w << 16) | 0); + so_data (so, (h << 16) | 0); + so_data (so, rt_format); + so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_HORIZ, 2); + so_data (so, (w << 16) | 0); + so_data (so, (h << 16) | 0); + so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(0), 2); + so_data (so, ((w - 1) << 16) | 0); + so_data (so, ((h - 1) << 16) | 0); + so_method(so, nv30->screen->rankine, 0x1d88, 1); + so_data (so, (1 << 12) | h); + /* Wonder why this is needed, context should all be set to zero on init */ + so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_TX_ORIGIN, 1); + so_data (so, 0); + + so_ref(so, &nv30->state.hw[NV30_STATE_FB]); + return TRUE; +} + +struct nv30_state_entry nv30_state_framebuffer = { + .validate = nv30_state_framebuffer_validate, + .dirty = { + .pipe = NV30_NEW_FB, + .hw = NV30_STATE_FB + } +}; |