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#include "nvfx_context.h"
#include "nvfx_resource.h"
#include "util/u_format.h"
static inline boolean
nvfx_surface_linear_renderable(struct pipe_surface* surf)
{
return (surf->texture->flags & NVFX_RESOURCE_FLAG_LINEAR)
&& !(surf->offset & 63)
&& !(((struct nvfx_surface*)surf)->pitch & 63);
}
static inline boolean
nvfx_surface_swizzled_renderable(struct pipe_framebuffer_state* fb, struct pipe_surface* surf)
{
/* TODO: return FALSE if we have a format not supporting swizzled rendering (e.g. r8); currently those are not supported at all */
return !((struct nvfx_miptree*)surf->texture)->linear_pitch
&& (surf->texture->target != PIPE_TEXTURE_3D || u_minify(surf->texture->depth0, surf->level) <= 1)
&& !(surf->offset & 127)
&& (surf->width == fb->width)
&& (surf->height == fb->height)
&& !((struct nvfx_surface*)surf)->temp;
}
static boolean
nvfx_surface_get_render_target(struct pipe_surface* surf, int all_swizzled, struct nvfx_render_target* target)
{
struct nvfx_surface* ns = (struct nvfx_surface*)surf;
if(!ns->temp)
{
target->bo = ((struct nvfx_miptree*)surf->texture)->base.bo;
target->offset = surf->offset;
target->pitch = align(ns->pitch, 64);
assert(target->pitch);
return FALSE;
}
else
{
target->offset = 0;
target->pitch = ns->temp->linear_pitch;
target->bo = ns->temp->base.bo;
assert(target->pitch);
return TRUE;
}
}
int
nvfx_framebuffer_prepare(struct nvfx_context *nvfx)
{
struct pipe_framebuffer_state *fb = &nvfx->framebuffer;
int i, color_format = 0, zeta_format = 0;
int all_swizzled = 1;
if(!nvfx->is_nv4x)
assert(fb->nr_cbufs <= 2);
else
assert(fb->nr_cbufs <= 4);
for (i = 0; i < fb->nr_cbufs; i++) {
if (color_format) {
if(color_format != fb->cbufs[i]->format)
return -1;
} else
color_format = fb->cbufs[i]->format;
if(!nvfx_surface_swizzled_renderable(fb, fb->cbufs[i]))
all_swizzled = 0;
}
if (fb->zsbuf) {
/* TODO: return FALSE if we have a format not supporting a depth buffer (e.g. r8); currently those are not supported at all */
if(!nvfx_surface_swizzled_renderable(fb, fb->zsbuf))
all_swizzled = 0;
if(all_swizzled && util_format_get_blocksize(color_format) != util_format_get_blocksize(zeta_format))
all_swizzled = 0;
}
for (i = 0; i < fb->nr_cbufs; i++) {
if(!((struct nvfx_surface*)fb->cbufs[i])->temp && !all_swizzled && !nvfx_surface_linear_renderable(fb->cbufs[i]))
nvfx_surface_create_temp(&nvfx->pipe, fb->cbufs[i]);
}
if(fb->zsbuf) {
if(!((struct nvfx_surface*)fb->zsbuf)->temp && !all_swizzled && !nvfx_surface_linear_renderable(fb->zsbuf))
nvfx_surface_create_temp(&nvfx->pipe, fb->zsbuf);
}
return all_swizzled;
}
void
nvfx_framebuffer_validate(struct nvfx_context *nvfx, unsigned prepare_result)
{
struct pipe_framebuffer_state *fb = &nvfx->framebuffer;
struct nouveau_channel *chan = nvfx->screen->base.channel;
uint32_t rt_enable, rt_format;
int i;
unsigned rt_flags = NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM;
unsigned w = fb->width;
unsigned h = fb->height;
rt_enable = (NV34TCL_RT_ENABLE_COLOR0 << fb->nr_cbufs) - 1;
if (rt_enable & (NV34TCL_RT_ENABLE_COLOR1 |
NV40TCL_RT_ENABLE_COLOR2 | NV40TCL_RT_ENABLE_COLOR3))
rt_enable |= NV34TCL_RT_ENABLE_MRT;
nvfx->state.render_temps = 0;
for (i = 0; i < fb->nr_cbufs; i++)
nvfx->state.render_temps |= nvfx_surface_get_render_target(fb->cbufs[i], prepare_result, &nvfx->hw_rt[i]) << i;
for(; i < 4; ++i)
nvfx->hw_rt[i].bo = 0;
if (fb->zsbuf) {
nvfx->state.render_temps |= nvfx_surface_get_render_target(fb->zsbuf, prepare_result, &nvfx->hw_zeta) << 7;
assert(util_format_get_stride(fb->zsbuf->format, fb->width) <= nvfx->hw_zeta.pitch);
assert(nvfx->hw_zeta.offset + nvfx->hw_zeta.pitch * fb->height <= nvfx->hw_zeta.bo->size);
}
if (prepare_result) {
assert(!(fb->width & (fb->width - 1)) && !(fb->height & (fb->height - 1)));
rt_format = NV34TCL_RT_FORMAT_TYPE_SWIZZLED |
(util_logbase2(fb->width) << NV34TCL_RT_FORMAT_LOG2_WIDTH_SHIFT) |
(util_logbase2(fb->height) << NV34TCL_RT_FORMAT_LOG2_HEIGHT_SHIFT);
} else
rt_format = NV34TCL_RT_FORMAT_TYPE_LINEAR;
if(fb->nr_cbufs > 0) {
switch (fb->cbufs[0]->format) {
case PIPE_FORMAT_B8G8R8X8_UNORM:
rt_format |= NV34TCL_RT_FORMAT_COLOR_X8R8G8B8;
break;
case PIPE_FORMAT_B8G8R8A8_UNORM:
case 0:
rt_format |= NV34TCL_RT_FORMAT_COLOR_A8R8G8B8;
break;
case PIPE_FORMAT_B5G6R5_UNORM:
rt_format |= NV34TCL_RT_FORMAT_COLOR_R5G6B5;
break;
default:
assert(0);
}
} else if(fb->zsbuf && util_format_get_blocksize(fb->zsbuf->format) == 2)
rt_format |= NV34TCL_RT_FORMAT_COLOR_R5G6B5;
else
rt_format |= NV34TCL_RT_FORMAT_COLOR_A8R8G8B8;
if(fb->zsbuf) {
switch (fb->zsbuf->format) {
case PIPE_FORMAT_Z16_UNORM:
rt_format |= NV34TCL_RT_FORMAT_ZETA_Z16;
break;
case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
case 0:
rt_format |= NV34TCL_RT_FORMAT_ZETA_Z24S8;
break;
default:
assert(0);
}
} else if(fb->nr_cbufs && util_format_get_blocksize(fb->cbufs[0]->format) == 2)
rt_format |= NV34TCL_RT_FORMAT_ZETA_Z16;
else
rt_format |= NV34TCL_RT_FORMAT_ZETA_Z24S8;
if ((rt_enable & NV34TCL_RT_ENABLE_COLOR0) || fb->zsbuf) {
struct nvfx_render_target *rt0 = &nvfx->hw_rt[0];
uint32_t pitch;
if(!(rt_enable & NV34TCL_RT_ENABLE_COLOR0))
rt0 = &nvfx->hw_zeta;
pitch = rt0->pitch;
if(!nvfx->is_nv4x)
{
if (nvfx->hw_zeta.bo)
pitch |= (nvfx->hw_zeta.pitch << 16);
else
pitch |= (pitch << 16);
}
//printf("rendering to bo %p [%i] at offset %i with pitch %i\n", rt0->bo, rt0->bo->handle, rt0->offset, pitch);
OUT_RING(chan, RING_3D(NV34TCL_DMA_COLOR0, 1));
OUT_RELOC(chan, rt0->bo, 0,
rt_flags | NOUVEAU_BO_OR,
chan->vram->handle, chan->gart->handle);
OUT_RING(chan, RING_3D(NV34TCL_COLOR0_PITCH, 2));
OUT_RING(chan, pitch);
OUT_RELOC(chan, rt0->bo,
rt0->offset, rt_flags | NOUVEAU_BO_LOW,
0, 0);
}
if (rt_enable & NV34TCL_RT_ENABLE_COLOR1) {
OUT_RING(chan, RING_3D(NV34TCL_DMA_COLOR1, 1));
OUT_RELOC(chan, nvfx->hw_rt[1].bo, 0,
rt_flags | NOUVEAU_BO_OR,
chan->vram->handle, chan->gart->handle);
OUT_RING(chan, RING_3D(NV34TCL_COLOR1_OFFSET, 2));
OUT_RELOC(chan, nvfx->hw_rt[1].bo,
nvfx->hw_rt[1].offset, rt_flags | NOUVEAU_BO_LOW,
0, 0);
OUT_RING(chan, nvfx->hw_rt[1].pitch);
}
if(nvfx->is_nv4x)
{
if (rt_enable & NV40TCL_RT_ENABLE_COLOR2) {
OUT_RING(chan, RING_3D(NV40TCL_DMA_COLOR2, 1));
OUT_RELOC(chan, nvfx->hw_rt[2].bo, 0,
rt_flags | NOUVEAU_BO_OR,
chan->vram->handle, chan->gart->handle);
OUT_RING(chan, RING_3D(NV40TCL_COLOR2_OFFSET, 1));
OUT_RELOC(chan, nvfx->hw_rt[2].bo,
nvfx->hw_rt[2].offset, rt_flags | NOUVEAU_BO_LOW,
0, 0);
OUT_RING(chan, RING_3D(NV40TCL_COLOR2_PITCH, 1));
OUT_RING(chan, nvfx->hw_rt[2].pitch);
}
if (rt_enable & NV40TCL_RT_ENABLE_COLOR3) {
OUT_RING(chan, RING_3D(NV40TCL_DMA_COLOR3, 1));
OUT_RELOC(chan, nvfx->hw_rt[3].bo, 0,
rt_flags | NOUVEAU_BO_OR,
chan->vram->handle, chan->gart->handle);
OUT_RING(chan, RING_3D(NV40TCL_COLOR3_OFFSET, 1));
OUT_RELOC(chan, nvfx->hw_rt[3].bo,
nvfx->hw_rt[3].offset, rt_flags | NOUVEAU_BO_LOW,
0, 0);
OUT_RING(chan, RING_3D(NV40TCL_COLOR3_PITCH, 1));
OUT_RING(chan, nvfx->hw_rt[3].pitch);
}
}
if (fb->zsbuf) {
OUT_RING(chan, RING_3D(NV34TCL_DMA_ZETA, 1));
OUT_RELOC(chan, nvfx->hw_zeta.bo, 0,
rt_flags | NOUVEAU_BO_OR,
chan->vram->handle, chan->gart->handle);
OUT_RING(chan, RING_3D(NV34TCL_ZETA_OFFSET, 1));
/* TODO: reverse engineer LMA */
OUT_RELOC(chan, nvfx->hw_zeta.bo,
nvfx->hw_zeta.offset, rt_flags | NOUVEAU_BO_LOW, 0, 0);
if(nvfx->is_nv4x) {
OUT_RING(chan, RING_3D(NV40TCL_ZETA_PITCH, 1));
OUT_RING(chan, nvfx->hw_zeta.pitch);
}
}
else if(nvfx->is_nv4x) {
OUT_RING(chan, RING_3D(NV40TCL_ZETA_PITCH, 1));
OUT_RING(chan, 64);
}
OUT_RING(chan, RING_3D(NV34TCL_RT_ENABLE, 1));
OUT_RING(chan, rt_enable);
OUT_RING(chan, RING_3D(NV34TCL_RT_HORIZ, 3));
OUT_RING(chan, (w << 16) | 0);
OUT_RING(chan, (h << 16) | 0);
OUT_RING(chan, rt_format);
OUT_RING(chan, RING_3D(NV34TCL_VIEWPORT_HORIZ, 2));
OUT_RING(chan, (w << 16) | 0);
OUT_RING(chan, (h << 16) | 0);
OUT_RING(chan, RING_3D(NV34TCL_VIEWPORT_CLIP_HORIZ(0), 2));
OUT_RING(chan, ((w - 1) << 16) | 0);
OUT_RING(chan, ((h - 1) << 16) | 0);
OUT_RING(chan, RING_3D(0x1d88, 1));
OUT_RING(chan, (1 << 12) | h);
if(!nvfx->is_nv4x) {
/* Wonder why this is needed, context should all be set to zero on init */
/* TODO: we can most likely remove this, after putting it in context init */
OUT_RING(chan, RING_3D(NV34TCL_VIEWPORT_TX_ORIGIN, 1));
OUT_RING(chan, 0);
}
}
void
nvfx_framebuffer_relocate(struct nvfx_context *nvfx)
{
struct nouveau_channel *chan = nvfx->screen->base.channel;
unsigned rt_flags = NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM;
rt_flags |= NOUVEAU_BO_DUMMY;
MARK_RING(chan, 20, 20);
#define DO_(var, pfx, name) \
if(var.bo) { \
OUT_RELOC(chan, var.bo, RING_3D(pfx##TCL_DMA_##name, 1), rt_flags, 0, 0); \
OUT_RELOC(chan, var.bo, 0, \
rt_flags | NOUVEAU_BO_OR, \
chan->vram->handle, chan->gart->handle); \
OUT_RELOC(chan, var.bo, RING_3D(pfx##TCL_##name##_OFFSET, 1), rt_flags, 0, 0); \
OUT_RELOC(chan, var.bo, \
var.offset, rt_flags | NOUVEAU_BO_LOW, \
0, 0); \
}
#define DO(pfx, num) DO_(nvfx->hw_rt[num], pfx, COLOR##num)
DO(NV34, 0);
DO(NV34, 1);
DO(NV40, 2);
DO(NV40, 3);
DO_(nvfx->hw_zeta, NV34, ZETA);
}
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