static void
nv17_zclear(struct gl_context *ctx, GLbitfield *buffers)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *celsius = context_eng3d(ctx);
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(
ctx->DrawBuffer);
struct nouveau_surface *s = &to_nouveau_renderbuffer(
nfb->base.Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
/* Clear the hierarchical depth buffer */
BEGIN_RING(chan, celsius, NV17_3D_HIERZ_FILL_VALUE, 1);
OUT_RING(chan, pack_zs_f(s->format, ctx->Depth.Clear, 0));
BEGIN_RING(chan, celsius, NV17_3D_HIERZ_BUFFER_CLEAR, 1);
OUT_RING(chan, 1);
/* Mark the depth buffer as cleared */
if (use_fast_zclear(ctx, *buffers)) {
if (nctx->hierz.clear_seq)
*buffers &= ~BUFFER_BIT_DEPTH;
nfb->hierz.clear_value =
pack_zs_f(s->format, ctx->Depth.Clear, 0);
nctx->hierz.clear_seq++;
context_dirty(ctx, ZCLEAR);
}
}
static void
nv04_hwctx_init(struct gl_context *ctx)
{
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
struct nouveau_pushbuf *push = context_push(ctx);
struct nv04_fifo *fifo = hw->chan->data;
BEGIN_NV04(push, NV01_SUBC(SURF, OBJECT), 1);
PUSH_DATA (push, hw->surf3d->handle);
BEGIN_NV04(push, NV04_SF3D(DMA_NOTIFY), 3);
PUSH_DATA (push, hw->ntfy->handle);
PUSH_DATA (push, fifo->vram);
PUSH_DATA (push, fifo->vram);
BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
PUSH_DATA (push, hw->eng3d->handle);
BEGIN_NV04(push, NV04_TTRI(DMA_NOTIFY), 4);
PUSH_DATA (push, hw->ntfy->handle);
PUSH_DATA (push, fifo->vram);
PUSH_DATA (push, fifo->gart);
PUSH_DATA (push, hw->surf3d->handle);
BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
PUSH_DATA (push, hw->eng3dm->handle);
BEGIN_NV04(push, NV04_MTRI(DMA_NOTIFY), 4);
PUSH_DATA (push, hw->ntfy->handle);
PUSH_DATA (push, fifo->vram);
PUSH_DATA (push, fifo->gart);
PUSH_DATA (push, hw->surf3d->handle);
PUSH_KICK (push);
}
void
nv20_emit_tex_gen(GLcontext *ctx, int emit)
{
const int i = emit - NOUVEAU_STATE_TEX_GEN0;
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *kelvin = context_eng3d(ctx);
struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
int j;
for (j = 0; j < 4; j++) {
if (nctx->fallback == HWTNL && (unit->TexGenEnabled & 1 << j)) {
struct gl_texgen *coord = get_texgen_coord(unit, j);
float *k = get_texgen_coeff(coord);
if (k) {
BEGIN_RING(chan, kelvin, TX_GEN_COEFF(i, j), 4);
OUT_RINGp(chan, k, 4);
}
BEGIN_RING(chan, kelvin, TX_GEN_MODE(i, j), 1);
OUT_RING(chan, nvgl_texgen_mode(coord->Mode));
} else {
BEGIN_RING(chan, kelvin, TX_GEN_MODE(i, j), 1);
OUT_RING(chan, 0);
}
}
}
static void
nv17_zclear(struct gl_context *ctx, GLbitfield *buffers)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(
ctx->DrawBuffer);
struct nouveau_surface *s = &to_nouveau_renderbuffer(
nfb->base.Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
/* Clear the hierarchical depth buffer */
BEGIN_NV04(push, NV17_3D(HIERZ_FILL_VALUE), 1);
PUSH_DATA (push, pack_zs_f(s->format, ctx->Depth.Clear, 0));
BEGIN_NV04(push, NV17_3D(HIERZ_BUFFER_CLEAR), 1);
PUSH_DATA (push, 1);
/* Mark the depth buffer as cleared */
if (use_fast_zclear(ctx, *buffers)) {
if (nctx->hierz.clear_seq)
*buffers &= ~BUFFER_BIT_DEPTH;
nfb->hierz.clear_value =
pack_zs_f(s->format, ctx->Depth.Clear, 0);
nctx->hierz.clear_seq++;
context_dirty(ctx, ZCLEAR);
}
}
static void
nv10_clear(struct gl_context *ctx, GLbitfield buffers)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
nouveau_validate_framebuffer(ctx);
nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
if (nouveau_pushbuf_validate(push)) {
nouveau_pushbuf_bufctx(push, NULL);
return;
}
if ((buffers & BUFFER_BIT_DEPTH) && ctx->Depth.Mask) {
if (context_chipset(ctx) >= 0x17)
nv17_zclear(ctx, &buffers);
else
nv10_zclear(ctx, &buffers);
/* Emit the zclear state if it's dirty */
_mesa_update_state(ctx);
}
nouveau_pushbuf_bufctx(push, NULL);
nouveau_clear(ctx, buffers);
}
struct nouveau_object *
nv04_context_engine(struct gl_context *ctx)
{
struct nv04_context *nctx = to_nv04_context(ctx);
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_object *fahrenheit;
if ((ctx->Texture.Unit[0]._ReallyEnabled &&
texunit_needs_combiners(&ctx->Texture.Unit[0])) ||
ctx->Texture.Unit[1]._ReallyEnabled ||
ctx->Stencil.Enabled ||
!(ctx->Color.ColorMask[0][RCOMP] &&
ctx->Color.ColorMask[0][GCOMP] &&
ctx->Color.ColorMask[0][BCOMP] &&
ctx->Color.ColorMask[0][ACOMP]))
fahrenheit = hw->eng3dm;
else
fahrenheit = hw->eng3d;
if (fahrenheit != nctx->eng3d) {
BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
PUSH_DATA (push, fahrenheit->handle);
nctx->eng3d = fahrenheit;
}
return fahrenheit;
}
void
nv20_emit_tex_gen(struct gl_context *ctx, int emit)
{
const int i = emit - NOUVEAU_STATE_TEX_GEN0;
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
int j;
for (j = 0; j < 4; j++) {
if (nctx->fallback == HWTNL && (unit->TexGenEnabled & 1 << j)) {
struct gl_texgen *coord = get_texgen_coord(unit, j);
float *k = get_texgen_coeff(coord);
if (k) {
BEGIN_NV04(push, NV20_3D(TEX_GEN_COEFF(i, j)), 4);
PUSH_DATAp(push, k, 4);
}
BEGIN_NV04(push, NV20_3D(TEX_GEN_MODE(i, j)), 1);
PUSH_DATA (push, nvgl_texgen_mode(coord->Mode));
} else {
BEGIN_NV04(push, NV20_3D(TEX_GEN_MODE(i, j)), 1);
PUSH_DATA (push, 0);
}
}
}
static void
nv10_zclear(struct gl_context *ctx, GLbitfield *buffers)
{
/*
* Pre-nv17 cards don't have native support for fast Z clears,
* but in some cases we can still "clear" the Z buffer without
* actually blitting to it if we're willing to sacrifice a few
* bits of depth precision.
*
* Each time a clear is requested we modify the viewport
* transform in such a way that the old contents of the depth
* buffer are clamped to the requested clear value when
* they're read by the GPU.
*/
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
struct nouveau_surface *s = &to_nouveau_renderbuffer(
fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
if (nv10_use_viewport_zclear(ctx)) {
int x, y, w, h;
float z = ctx->Depth.Clear;
uint32_t value = pack_zs_f(s->format, z, 0);
get_scissors(fb, &x, &y, &w, &h);
*buffers &= ~BUFFER_BIT_DEPTH;
if (use_fast_zclear(ctx, *buffers)) {
if (nfb->hierz.clear_value != value) {
/* Don't fast clear if we're changing
* the depth value. */
nfb->hierz.clear_value = value;
} else if (z == 0.0) {
nctx->hierz.clear_seq++;
context_dirty(ctx, ZCLEAR);
if ((nctx->hierz.clear_seq & 7) != 0 &&
nctx->hierz.clear_seq != 1)
/* We didn't wrap around -- no need to
* clear the depth buffer for real. */
return;
} else if (z == 1.0) {
nctx->hierz.clear_seq--;
context_dirty(ctx, ZCLEAR);
if ((nctx->hierz.clear_seq & 7) != 7)
/* No wrap around */
return;
}
}
value = pack_zs_f(s->format,
(z + (nctx->hierz.clear_seq & 7)) / 8, 0);
context_drv(ctx)->surface_fill(ctx, s, ~0, value, x, y, w, h);
}
}
static GLboolean
vbo_maybe_split(struct gl_context *ctx, const struct gl_client_array **arrays,
const struct _mesa_prim *prims, GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index, GLuint max_index)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_render_state *render = to_render_state(ctx);
struct nouveau_bufctx *bufctx = nctx->hw.bufctx;
unsigned pushbuf_avail = PUSHBUF_DWORDS - 2 * (bufctx->relocs +
render->attr_count),
vert_avail = get_max_vertices(ctx, NULL, pushbuf_avail),
idx_avail = get_max_vertices(ctx, ib, pushbuf_avail);
int stride;
/* Try to keep client buffers smaller than the scratch BOs. */
if (render->mode == VBO &&
(stride = get_max_client_stride(ctx, arrays)))
vert_avail = MIN2(vert_avail,
NOUVEAU_SCRATCH_SIZE / stride);
if (max_index - min_index > vert_avail ||
(ib && ib->count > idx_avail)) {
struct split_limits limits = {
.max_verts = vert_avail,
.max_indices = idx_avail,
.max_vb_size = ~0,
};
vbo_split_prims(ctx, arrays, prims, nr_prims, ib, min_index,
max_index, TAG(vbo_render_prims), &limits);
return GL_TRUE;
}
return GL_FALSE;
}
/* VBO rendering path. */
static GLboolean
check_update_array(struct nouveau_array *a, unsigned offset,
struct nouveau_bo *bo, int *pdelta)
{
int delta = *pdelta;
GLboolean dirty;
if (a->bo == bo) {
if (delta < 0)
delta = ((int)offset - (int)a->offset) / a->stride;
dirty = (delta < 0 ||
offset != (a->offset + delta * a->stride));
} else {
dirty = GL_TRUE;
}
*pdelta = (dirty ? 0 : delta);
return dirty;
}
GLboolean
nouveau_context_create(gl_api api,
const struct gl_config *visual, __DRIcontext *dri_ctx,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
bool notify_reset,
unsigned *error,
void *share_ctx)
{
__DRIscreen *dri_screen = dri_ctx->driScreenPriv;
struct nouveau_screen *screen = dri_screen->driverPrivate;
struct nouveau_context *nctx;
struct gl_context *ctx;
if (flags & ~__DRI_CTX_FLAG_DEBUG) {
*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
return false;
}
if (notify_reset) {
*error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
return false;
}
ctx = screen->driver->context_create(screen, visual, share_ctx);
if (!ctx) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
driContextSetFlags(ctx, flags);
nctx = to_nouveau_context(ctx);
nctx->dri_context = dri_ctx;
dri_ctx->driverPrivate = ctx;
_mesa_compute_version(ctx);
if (ctx->Version < major_version * 10 + minor_version) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
/* Exec table initialization requires the version to be computed */
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
if (nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, 4096,
NULL, &nctx->fence)) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
static void
nv20_clear(struct gl_context *ctx, GLbitfield buffers)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
uint32_t clear = 0;
nouveau_validate_framebuffer(ctx);
nouveau_pushbuf_bufctx(push, nctx->hw.bufctx);
if (nouveau_pushbuf_validate(push)) {
nouveau_pushbuf_bufctx(push, NULL);
return;
}
if (buffers & BUFFER_BITS_COLOR) {
struct nouveau_surface *s = &to_nouveau_renderbuffer(
fb->_ColorDrawBuffers[0])->surface;
if (ctx->Color.ColorMask[0][RCOMP])
clear |= NV20_3D_CLEAR_BUFFERS_COLOR_R;
if (ctx->Color.ColorMask[0][GCOMP])
clear |= NV20_3D_CLEAR_BUFFERS_COLOR_G;
if (ctx->Color.ColorMask[0][BCOMP])
clear |= NV20_3D_CLEAR_BUFFERS_COLOR_B;
if (ctx->Color.ColorMask[0][ACOMP])
clear |= NV20_3D_CLEAR_BUFFERS_COLOR_A;
BEGIN_NV04(push, NV20_3D(CLEAR_VALUE), 1);
PUSH_DATA (push, pack_rgba_clamp_f(s->format, ctx->Color.ClearColor.f));
buffers &= ~BUFFER_BITS_COLOR;
}
if (buffers & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
struct nouveau_surface *s = &to_nouveau_renderbuffer(
fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
if (buffers & BUFFER_BIT_DEPTH && ctx->Depth.Mask)
clear |= NV20_3D_CLEAR_BUFFERS_DEPTH;
if (buffers & BUFFER_BIT_STENCIL && ctx->Stencil.WriteMask[0])
clear |= NV20_3D_CLEAR_BUFFERS_STENCIL;
BEGIN_NV04(push, NV20_3D(CLEAR_DEPTH_VALUE), 1);
PUSH_DATA (push, pack_zs_f(s->format, ctx->Depth.Clear,
ctx->Stencil.Clear));
buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
}
BEGIN_NV04(push, NV20_3D(CLEAR_BUFFERS), 1);
PUSH_DATA (push, clear);
nouveau_pushbuf_bufctx(push, NULL);
nouveau_clear(ctx, buffers);
}
float
nv10_transform_depth(struct gl_context *ctx, float z)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
if (nv10_use_viewport_zclear(ctx))
return 2097152.0 * (z + (nctx->hierz.clear_seq & 7));
else
return ctx->DrawBuffer->_DepthMaxF * z;
}
int
nouveau_next_dirty_state(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
int i = BITSET_FFS(nctx->dirty) - 1;
if (i < 0 || i >= context_drv(ctx)->num_emit)
return -1;
return i;
}
GLboolean
nv10_use_viewport_zclear(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
return context_chipset(ctx) < 0x17 &&
!nctx->hierz.clear_blocked && fb->_DepthBuffer &&
(_mesa_get_format_bits(fb->_DepthBuffer->Format,
GL_DEPTH_BITS) >= 24);
}
GLboolean
nv10_use_viewport_zclear(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_renderbuffer *depthRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
return context_chipset(ctx) < 0x17 &&
!nctx->hierz.clear_blocked && depthRb &&
(_mesa_get_format_bits(depthRb->Format,
GL_DEPTH_BITS) >= 24);
}
void
nouveau_state_emit(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
const struct nouveau_driver *drv = context_drv(ctx);
int i;
while ((i = nouveau_next_dirty_state(ctx)) >= 0) {
BITSET_CLEAR(nctx->dirty, i);
drv->emit[i](ctx, i);
}
BITSET_ZERO(nctx->dirty);
}
static void
nv10_context_destroy(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
nv04_surface_takedown(ctx);
nv10_swtnl_destroy(ctx);
nv10_vbo_destroy(ctx);
nouveau_object_del(&nctx->hw.eng3d);
nouveau_context_deinit(ctx);
free(ctx);
}
void
nv04_surface_takedown(struct gl_context *ctx)
{
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
nouveau_object_del(&hw->swzsurf);
nouveau_object_del(&hw->sifm);
nouveau_object_del(&hw->rect);
nouveau_object_del(&hw->rop);
nouveau_object_del(&hw->patt);
nouveau_object_del(&hw->surf2d);
nouveau_object_del(&hw->m2mf);
nouveau_object_del(&hw->ntfy);
}
GLboolean
nv04_surface_init(struct gl_context *ctx)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
struct nouveau_object *chan = hw->chan;
unsigned handle = 0x88000000, class;
int ret;
/* Notifier object. */
ret = nouveau_object_new(chan, handle++, NOUVEAU_NOTIFIER_CLASS,
&(struct nv04_notify) {
.length = 32,
}, sizeof(struct nv04_notify), &hw->ntfy);
void
nv04_emit_framebuffer(GLcontext *ctx, int emit)
{
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
struct nouveau_grobj *surf3d = hw->surf3d;
struct nouveau_bo_context *bctx = context_bctx(ctx, FRAMEBUFFER);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_surface *s;
uint32_t rt_format = NV04_CONTEXT_SURFACES_3D_FORMAT_TYPE_PITCH;
uint32_t rt_pitch = 0, zeta_pitch = 0;
unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT)
return;
/* Render target */
if (fb->_NumColorDrawBuffers) {
s = &to_nouveau_renderbuffer(
fb->_ColorDrawBuffers[0])->surface;
rt_format |= get_rt_format(s->format);
zeta_pitch = rt_pitch = s->pitch;
nouveau_bo_markl(bctx, surf3d,
NV04_CONTEXT_SURFACES_3D_OFFSET_COLOR,
s->bo, 0, bo_flags);
}
/* depth/stencil */
if (fb->_DepthBuffer) {
s = &to_nouveau_renderbuffer(
fb->_DepthBuffer->Wrapped)->surface;
zeta_pitch = s->pitch;
nouveau_bo_markl(bctx, surf3d,
NV04_CONTEXT_SURFACES_3D_OFFSET_ZETA,
s->bo, 0, bo_flags);
}
BEGIN_RING(chan, surf3d, NV04_CONTEXT_SURFACES_3D_FORMAT, 1);
OUT_RING(chan, rt_format);
BEGIN_RING(chan, surf3d, NV04_CONTEXT_SURFACES_3D_PITCH, 1);
OUT_RING(chan, zeta_pitch << 16 | rt_pitch);
/* Recompute the scissor state. */
context_dirty(ctx, SCISSOR);
}
static void
nv04_context_destroy(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
nv04_surface_takedown(ctx);
nv04_render_destroy(ctx);
nouveau_surface_ref(NULL, &to_nv04_context(ctx)->dummy_texture);
nouveau_object_del(&nctx->hw.eng3d);
nouveau_object_del(&nctx->hw.eng3dm);
nouveau_object_del(&nctx->hw.surf3d);
nouveau_context_deinit(ctx);
FREE(ctx);
}
void
nouveau_state_init(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
ctx->Driver.AlphaFunc = nouveau_alpha_func;
ctx->Driver.BlendColor = nouveau_blend_color;
ctx->Driver.BlendEquationSeparate = nouveau_blend_equation_separate;
ctx->Driver.BlendFuncSeparate = nouveau_blend_func_separate;
ctx->Driver.ClipPlane = nouveau_clip_plane;
ctx->Driver.ColorMask = nouveau_color_mask;
ctx->Driver.ColorMaterial = nouveau_color_material;
ctx->Driver.CullFace = nouveau_cull_face;
ctx->Driver.FrontFace = nouveau_front_face;
ctx->Driver.DepthFunc = nouveau_depth_func;
ctx->Driver.DepthMask = nouveau_depth_mask;
ctx->Driver.DepthRange = nouveau_depth_range;
ctx->Driver.ReadBuffer = nouveau_read_buffer;
ctx->Driver.DrawBuffers = nouveau_draw_buffers;
ctx->Driver.Enable = nouveau_enable;
ctx->Driver.Fogfv = nouveau_fog;
ctx->Driver.Lightfv = nouveau_light;
ctx->Driver.LightModelfv = nouveau_light_model;
ctx->Driver.LineStipple = nouveau_line_stipple;
ctx->Driver.LineWidth = nouveau_line_width;
ctx->Driver.LogicOpcode = nouveau_logic_opcode;
ctx->Driver.PointParameterfv = nouveau_point_parameter;
ctx->Driver.PointSize = nouveau_point_size;
ctx->Driver.PolygonMode = nouveau_polygon_mode;
ctx->Driver.PolygonOffset = nouveau_polygon_offset;
ctx->Driver.PolygonStipple = nouveau_polygon_stipple;
ctx->Driver.RenderMode = nouveau_render_mode;
ctx->Driver.Scissor = nouveau_scissor;
ctx->Driver.ShadeModel = nouveau_shade_model;
ctx->Driver.StencilFuncSeparate = nouveau_stencil_func_separate;
ctx->Driver.StencilMaskSeparate = nouveau_stencil_mask_separate;
ctx->Driver.StencilOpSeparate = nouveau_stencil_op_separate;
ctx->Driver.TexGen = nouveau_tex_gen;
ctx->Driver.TexEnv = nouveau_tex_env;
ctx->Driver.TexParameter = nouveau_tex_parameter;
ctx->Driver.Viewport = nouveau_viewport;
ctx->Driver.UpdateState = nouveau_update_state;
BITSET_ONES(nctx->dirty);
}
static void
nouveau_flush(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
PUSH_KICK(push);
if (_mesa_is_winsys_fbo(ctx->DrawBuffer) &&
ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
__DRIscreen *screen = nctx->screen->dri_screen;
__DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
__DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;
dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
}
}
static void
nouveau_flush(GLcontext *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_channel *chan = context_chan(ctx);
FIRE_RING(chan);
if (ctx->DrawBuffer->Name == 0 &&
ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
__DRIscreen *screen = nctx->screen->dri_screen;
__DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
__DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;
dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
}
}
void
nv04_emit_scissor(GLcontext *ctx, int emit)
{
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
struct nouveau_grobj *surf3d = hw->surf3d;
int x, y, w, h;
get_scissors(ctx->DrawBuffer, &x, &y, &w, &h);
BEGIN_RING(chan, surf3d, NV04_CONTEXT_SURFACES_3D_CLIP_HORIZONTAL, 2);
OUT_RING(chan, w << 16 | x);
OUT_RING(chan, h << 16 | y);
/* Messing with surf3d invalidates some engine state. */
context_dirty(ctx, CONTROL);
context_dirty(ctx, BLEND);
}
static void
nouveau_finish(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_pushbuf_refn refn =
{ nctx->fence, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR };
nouveau_flush(ctx);
if (!nouveau_pushbuf_space(push, 16, 0, 0) &&
!nouveau_pushbuf_refn(push, &refn, 1)) {
PUSH_DATA(push, 0);
PUSH_KICK(push);
}
nouveau_bo_wait(nctx->fence, NOUVEAU_BO_RDWR, context_client(ctx));
}
static void
nv04_surface_copy_m2mf(struct gl_context *ctx,
struct nouveau_surface *dst,
struct nouveau_surface *src,
int dx, int dy, int sx, int sy,
int w, int h)
{
struct nouveau_pushbuf_refn refs[] = {
{ src->bo, NOUVEAU_BO_RD | NOUVEAU_BO_VRAM | NOUVEAU_BO_GART },
{ dst->bo, NOUVEAU_BO_WR | NOUVEAU_BO_VRAM | NOUVEAU_BO_GART },
};
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
struct nv04_fifo *fifo = hw->chan->data;
unsigned dst_offset = dst->offset + dy * dst->pitch + dx * dst->cpp;
unsigned src_offset = src->offset + sy * src->pitch + sx * src->cpp;
while (h) {
int count = (h > 2047) ? 2047 : h;
if (nouveau_pushbuf_space(push, 16, 4, 0) ||
nouveau_pushbuf_refn (push, refs, 2))
return;
BEGIN_NV04(push, NV03_M2MF(DMA_BUFFER_IN), 2);
PUSH_RELOC(push, src->bo, 0, NOUVEAU_BO_OR, fifo->vram, fifo->gart);
PUSH_RELOC(push, dst->bo, 0, NOUVEAU_BO_OR, fifo->vram, fifo->gart);
BEGIN_NV04(push, NV03_M2MF(OFFSET_IN), 8);
PUSH_RELOC(push, src->bo, src->offset, NOUVEAU_BO_LOW, 0, 0);
PUSH_RELOC(push, dst->bo, dst->offset, NOUVEAU_BO_LOW, 0, 0);
PUSH_DATA (push, src->pitch);
PUSH_DATA (push, dst->pitch);
PUSH_DATA (push, w * src->cpp);
PUSH_DATA (push, count);
PUSH_DATA (push, 0x0101);
PUSH_DATA (push, 0);
src_offset += src->pitch * count;
dst_offset += dst->pitch * count;
h -= count;
}
}
static GLboolean
use_fast_zclear(struct gl_context *ctx, GLbitfield buffers)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
if (buffers & BUFFER_BIT_STENCIL) {
/*
* The stencil test is bypassed when fast Z clears are
* enabled.
*/
nctx->hierz.clear_blocked = GL_TRUE;
context_dirty(ctx, ZCLEAR);
return GL_FALSE;
}
return !nctx->hierz.clear_blocked &&
fb->_Xmax == fb->Width && fb->_Xmin == 0 &&
fb->_Ymax == fb->Height && fb->_Ymin == 0;
}
void
nv20_emit_tex_mat(struct gl_context *ctx, int emit)
{
const int i = emit - NOUVEAU_STATE_TEX_MAT0;
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
if (nctx->fallback == HWTNL &&
(ctx->Texture._TexMatEnabled & 1 << i)) {
BEGIN_NV04(push, NV20_3D(TEX_MATRIX_ENABLE(i)), 1);
PUSH_DATA (push, 1);
BEGIN_NV04(push, NV20_3D(TEX_MATRIX(i,0)), 16);
PUSH_DATAm(push, ctx->TextureMatrixStack[i].Top->m);
} else {
BEGIN_NV04(push, NV20_3D(TEX_MATRIX_ENABLE(i)), 1);
PUSH_DATA (push, 0);
}
}
GLboolean
nouveau_context_create(gl_api api,
const struct gl_config *visual, __DRIcontext *dri_ctx,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *share_ctx)
{
__DRIscreen *dri_screen = dri_ctx->driScreenPriv;
struct nouveau_screen *screen = dri_screen->driverPrivate;
struct nouveau_context *nctx;
struct gl_context *ctx;
/* API and flag filtering is handled in dri2CreateContextAttribs.
*/
(void) api;
(void) flags;
ctx = screen->driver->context_create(screen, visual, share_ctx);
if (!ctx) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
nctx = to_nouveau_context(ctx);
nctx->dri_context = dri_ctx;
dri_ctx->driverPrivate = ctx;
_mesa_compute_version(ctx);
if (ctx->VersionMajor < major_version
|| (ctx->VersionMajor == major_version
&& ctx->VersionMinor < minor_version)) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
