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#include "nvfx_context.h"
#include "nvfx_state.h"
#include "nvfx_resource.h"
#include "draw/draw_context.h"
void
nvfx_state_viewport_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel *chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
struct pipe_viewport_state *vpt = &nvfx->viewport;
if(nvfx->render_mode == HW) {
BEGIN_RING(chan, eng3d, NV30_3D_VIEWPORT_TRANSLATE_X, 8);
OUT_RINGf(chan, vpt->translate[0]);
OUT_RINGf(chan, vpt->translate[1]);
OUT_RINGf(chan, vpt->translate[2]);
OUT_RINGf(chan, vpt->translate[3]);
OUT_RINGf(chan, vpt->scale[0]);
OUT_RINGf(chan, vpt->scale[1]);
OUT_RINGf(chan, vpt->scale[2]);
OUT_RINGf(chan, vpt->scale[3]);
BEGIN_RING(chan, eng3d, 0x1d78, 1);
OUT_RING(chan, 1);
} else {
BEGIN_RING(chan, eng3d, NV30_3D_VIEWPORT_TRANSLATE_X, 8);
OUT_RINGf(chan, 0.0f);
OUT_RINGf(chan, 0.0f);
OUT_RINGf(chan, 0.0f);
OUT_RINGf(chan, 0.0f);
OUT_RINGf(chan, 1.0f);
OUT_RINGf(chan, 1.0f);
OUT_RINGf(chan, 1.0f);
OUT_RINGf(chan, 1.0f);
BEGIN_RING(chan, eng3d, 0x1d78, 1);
OUT_RING(chan, nvfx->is_nv4x ? 0x110 : 1);
}
}
void
nvfx_state_scissor_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel *chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
struct pipe_rasterizer_state *rast = &nvfx->rasterizer->pipe;
struct pipe_scissor_state *s = &nvfx->scissor;
if ((rast->scissor == 0 && nvfx->state.scissor_enabled == 0))
return;
nvfx->state.scissor_enabled = rast->scissor;
BEGIN_RING(chan, eng3d, NV30_3D_SCISSOR_HORIZ, 2);
if (nvfx->state.scissor_enabled) {
OUT_RING(chan, ((s->maxx - s->minx) << 16) | s->minx);
OUT_RING(chan, ((s->maxy - s->miny) << 16) | s->miny);
} else {
OUT_RING(chan, 4096 << 16);
OUT_RING(chan, 4096 << 16);
}
}
void
nvfx_state_sr_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
struct pipe_stencil_ref *sr = &nvfx->stencil_ref;
BEGIN_RING(chan, eng3d, NV30_3D_STENCIL_FUNC_REF(0), 1);
OUT_RING(chan, sr->ref_value[0]);
BEGIN_RING(chan, eng3d, NV30_3D_STENCIL_FUNC_REF(1), 1);
OUT_RING(chan, sr->ref_value[1]);
}
void
nvfx_state_blend_colour_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
struct pipe_blend_color *bcol = &nvfx->blend_colour;
BEGIN_RING(chan, eng3d, NV30_3D_BLEND_COLOR, 1);
OUT_RING(chan, ((float_to_ubyte(bcol->color[3]) << 24) |
(float_to_ubyte(bcol->color[0]) << 16) |
(float_to_ubyte(bcol->color[1]) << 8) |
(float_to_ubyte(bcol->color[2]) << 0)));
}
void
nvfx_state_stipple_validate(struct nvfx_context *nvfx)
{
struct nouveau_channel *chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
BEGIN_RING(chan, eng3d, NV30_3D_POLYGON_STIPPLE_PATTERN(0), 32);
OUT_RINGp(chan, nvfx->stipple, 32);
}
static void
nvfx_coord_conventions_validate(struct nvfx_context* nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
unsigned value = nvfx->hw_fragprog->coord_conventions;
if(value & NV30_3D_COORD_CONVENTIONS_ORIGIN_INVERTED)
value |= nvfx->framebuffer.height << NV30_3D_COORD_CONVENTIONS_HEIGHT__SHIFT;
BEGIN_RING(chan, eng3d, NV30_3D_COORD_CONVENTIONS, 1);
OUT_RING(chan, value);
}
static void
nvfx_ucp_validate(struct nvfx_context* nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
unsigned enables[] =
{
NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE0,
NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE1,
NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE2,
NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE3,
NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE4,
NV30_3D_VP_CLIP_PLANES_ENABLE_PLANE5
};
unsigned i, enable = 0, nr = 0;
for (i = 0; i < 6; i++) {
if (nvfx->rasterizer->pipe.clip_plane_enable & (1 << i)) {
enable |= enables[i];
nr = i+1;
}
}
if(!nvfx->use_vp_clipping)
{
BEGIN_RING(chan, eng3d, NV30_3D_VP_CLIP_PLANES_ENABLE, 1);
OUT_RING(chan, 0);
BEGIN_RING(chan, eng3d, NV30_3D_VP_CLIP_PLANE(0, 0),
nr * 4);
OUT_RINGp(chan, &nvfx->clip.ucp[0][0], nr * 4);
}
BEGIN_RING(chan, eng3d, NV30_3D_VP_CLIP_PLANES_ENABLE, 1);
OUT_RING(chan, enable);
}
static void
nvfx_vertprog_ucp_validate(struct nvfx_context* nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
unsigned i;
struct nvfx_vertex_program* vp = nvfx->hw_vertprog;
unsigned enable = nvfx->rasterizer->pipe.clip_plane_enable;
unsigned nr = util_bitcount(enable);
if(nr != vp->clip_nr)
{
unsigned idx;
/* remove last instruction bit */
if(vp->clip_nr >= 0)
{
idx = vp->nr_insns - 7 + vp->clip_nr;
BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_FROM_ID, 1);
OUT_RING(chan, vp->exec->start + idx);
BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_INST(0), 4);
OUT_RINGp (chan, vp->insns[idx].data, 4);
}
/* set last instruction bit */
idx = vp->nr_insns - 7 + nr;
BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_FROM_ID, 1);
OUT_RING(chan, vp->exec->start + idx);
BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_INST(0), 4);
OUT_RINGp(chan, vp->insns[idx].data, 3);
OUT_RING(chan, vp->insns[idx].data[3] | 1);
vp->clip_nr = nr;
}
// TODO: only do this for the ones changed
for(i = 0; enable; ++i)
{
unsigned index = ffs(enable) - 1;
enable &= ~(1 << index);
BEGIN_RING(chan, eng3d, NV30_3D_VP_UPLOAD_CONST_ID, 5);
OUT_RING(chan, vp->data->start + i);
OUT_RINGp (chan, nvfx->clip.ucp[index], 4);
}
}
static boolean
nvfx_state_validate_common(struct nvfx_context *nvfx)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
struct nouveau_grobj *eng3d = nvfx->screen->eng3d;
unsigned dirty;
unsigned still_dirty = 0;
boolean flush_tex_cache = FALSE;
if(nvfx != nvfx->screen->cur_ctx)
{
nvfx->dirty = ~0;
nvfx->hw_vtxelt_nr = 16;
nvfx->hw_pointsprite_control = -1;
nvfx->hw_vp_output = -1;
nvfx->screen->cur_ctx = nvfx;
nvfx->relocs_needed = NVFX_RELOCATE_ALL;
}
dirty = nvfx->dirty;
if(nvfx->render_mode == HW)
{
if(dirty & (NVFX_NEW_VERTPROG | NVFX_NEW_VERTCONST))
{
if(!nvfx_vertprog_validate(nvfx))
return FALSE;
}
if(dirty & NVFX_NEW_ARRAYS)
{
if(!nvfx_vbo_validate(nvfx))
return FALSE;
}
if(dirty & NVFX_NEW_INDEX)
{
if(nvfx->use_index_buffer)
nvfx_idxbuf_validate(nvfx);
else
still_dirty = NVFX_NEW_INDEX;
}
}
else
{
if(dirty & NVFX_NEW_VERTPROG) {
assert(nvfx_vertprog_validate(nvfx));
nvfx_vbo_swtnl_validate(nvfx);
}
}
if(dirty & NVFX_NEW_SAMPLER) {
nvfx_fragtex_validate(nvfx);
// TODO: only set this if really necessary
flush_tex_cache = TRUE;
}
if(dirty & NVFX_NEW_RAST)
sb_emit(chan, nvfx->rasterizer->sb, nvfx->rasterizer->sb_len);
if(dirty & NVFX_NEW_SCISSOR)
nvfx_state_scissor_validate(nvfx);
if(dirty & NVFX_NEW_STIPPLE)
nvfx_state_stipple_validate(nvfx);
if(nvfx->dirty & (NVFX_NEW_UCP | NVFX_NEW_RAST))
nvfx_ucp_validate(nvfx);
if(nvfx->use_vp_clipping && (nvfx->dirty &
(NVFX_NEW_UCP | NVFX_NEW_VERTPROG |
NVFX_NEW_RAST)))
nvfx_vertprog_ucp_validate(nvfx);
if(dirty & (NVFX_NEW_FRAGPROG | NVFX_NEW_FRAGCONST |
NVFX_NEW_VERTPROG | NVFX_NEW_SPRITE))
{
nvfx_fragprog_validate(nvfx);
if(dirty & NVFX_NEW_FRAGPROG)
flush_tex_cache = TRUE; // TODO: do we need this?
}
if(nvfx->is_nv4x)
{
unsigned vp_output = nvfx->hw_vertprog->or | nvfx->hw_fragprog->or;
vp_output |= ((1 << (nvfx->rasterizer->pipe.clip_plane_enable & 63)) - 1) << 6;
if(vp_output != nvfx->hw_vp_output)
{
BEGIN_RING(chan, eng3d, NV40_3D_VP_RESULT_EN, 1);
OUT_RING(chan, vp_output);
nvfx->hw_vp_output = vp_output;
}
}
if(dirty & NVFX_NEW_FB)
nvfx_framebuffer_validate(nvfx);
if(dirty & NVFX_NEW_BLEND)
sb_emit(chan, nvfx->blend->sb, nvfx->blend->sb_len);
if(dirty & NVFX_NEW_BCOL)
nvfx_state_blend_colour_validate(nvfx);
if(dirty & NVFX_NEW_ZSA)
sb_emit(chan, nvfx->zsa->sb, nvfx->zsa->sb_len);
if(dirty & NVFX_NEW_SR)
nvfx_state_sr_validate(nvfx);
if(dirty & NVFX_NEW_VIEWPORT)
{
nvfx_state_viewport_validate(nvfx);
}
if(dirty & (NVFX_NEW_ZSA | NVFX_NEW_FB))
{
BEGIN_RING(chan, eng3d, NV30_3D_DEPTH_WRITE_ENABLE, 2);
OUT_RING(chan, nvfx->framebuffer.zsbuf &&
nvfx->zsa->pipe.depth.writemask);
OUT_RING(chan, nvfx->framebuffer.zsbuf &&
nvfx->zsa->pipe.depth.enabled);
}
if(dirty & (NVFX_NEW_FRAGPROG | NVFX_NEW_FB))
nvfx_coord_conventions_validate(nvfx);
if(flush_tex_cache && nvfx->is_nv4x)
{
BEGIN_RING(chan, eng3d, NV40_3D_TEX_CACHE_CTL, 1);
OUT_RING(chan, 2);
BEGIN_RING(chan, eng3d, NV40_3D_TEX_CACHE_CTL, 1);
OUT_RING(chan, 1);
}
nvfx->dirty = dirty & still_dirty;
return TRUE;
}
inline void
nvfx_state_relocate(struct nvfx_context *nvfx, unsigned relocs)
{
struct nouveau_channel* chan = nvfx->screen->base.channel;
/* we need to ensure there is enough space to output relocations in one go */
const unsigned max_relocs = 0
+ 16 /* vertex buffers, incl. dma flag */
+ 2 /* index buffer plus format+dma flag */
+ 2 * 5 /* 4 cbufs + zsbuf, plus dma objects */
+ 2 * 16 /* fragment textures plus format+dma flag */
+ 2 * 4 /* vertex textures plus format+dma flag */
+ 1 /* fragprog incl dma flag */
;
MARK_RING(chan, max_relocs * 2, max_relocs * 2);
if(relocs & NVFX_RELOCATE_FRAMEBUFFER)
nvfx_framebuffer_relocate(nvfx);
if(relocs & NVFX_RELOCATE_FRAGTEX)
nvfx_fragtex_relocate(nvfx);
if(relocs & NVFX_RELOCATE_FRAGPROG)
nvfx_fragprog_relocate(nvfx);
if(relocs & NVFX_RELOCATE_VTXBUF)
nvfx_vbo_relocate(nvfx);
if(relocs & NVFX_RELOCATE_IDXBUF)
nvfx_idxbuf_relocate(nvfx);
}
boolean
nvfx_state_validate(struct nvfx_context *nvfx)
{
if (nvfx->render_mode != HW) {
/* Don't even bother trying to go back to hw if none
* of the states that caused swtnl previously have changed.
*/
if ((nvfx->fallback_swtnl & nvfx->dirty)
!= nvfx->fallback_swtnl)
return FALSE;
/* Attempt to go to hwtnl again */
nvfx->dirty |= (NVFX_NEW_VIEWPORT |
NVFX_NEW_VERTPROG |
NVFX_NEW_ARRAYS);
nvfx->render_mode = HW;
}
if(!nvfx_state_validate_common(nvfx))
return FALSE;
return TRUE;
}
boolean
nvfx_state_validate_swtnl(struct nvfx_context *nvfx)
{
struct draw_context *draw = nvfx->draw;
/* Setup for swtnl */
if (nvfx->render_mode == HW) {
static boolean warned = FALSE;
if(!warned) {
NOUVEAU_ERR("hw->swtnl 0x%08x\n", nvfx->fallback_swtnl);
warned = TRUE;
}
nvfx->pipe.flush(&nvfx->pipe, NULL);
nvfx->dirty |= (NVFX_NEW_VIEWPORT |
NVFX_NEW_VERTPROG |
NVFX_NEW_ARRAYS);
nvfx->render_mode = SWTNL;
}
if (nvfx->draw_dirty & NVFX_NEW_VERTPROG) {
if(!nvfx->vertprog->draw_vs)
nvfx->vertprog->draw_vs = draw_create_vertex_shader(draw, &nvfx->vertprog->pipe);
draw_bind_vertex_shader(draw, nvfx->vertprog->draw_vs);
}
if (nvfx->draw_dirty & NVFX_NEW_RAST)
draw_set_rasterizer_state(draw, &nvfx->rasterizer->pipe,
nvfx->rasterizer);
if (nvfx->draw_dirty & NVFX_NEW_UCP)
draw_set_clip_state(draw, &nvfx->clip);
if (nvfx->draw_dirty & NVFX_NEW_VIEWPORT)
draw_set_viewport_state(draw, &nvfx->viewport);
if (nvfx->draw_dirty & NVFX_NEW_ARRAYS) {
draw_set_vertex_buffers(draw, nvfx->vtxbuf_nr, nvfx->vtxbuf);
draw_set_vertex_elements(draw, nvfx->vtxelt->num_elements, nvfx->vtxelt->pipe);
}
if (nvfx->draw_dirty & NVFX_NEW_INDEX)
draw_set_index_buffer(draw, &nvfx->idxbuf);
nvfx_state_validate_common(nvfx);
nvfx->draw_dirty = 0;
return TRUE;
}
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