static void
nv30_clear_render_target(struct pipe_context *pipe, struct pipe_surface *ps,
const union pipe_color_union *color,
unsigned x, unsigned y, unsigned w, unsigned h)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nv30_surface *sf = nv30_surface(ps);
struct nv30_miptree *mt = nv30_miptree(ps->texture);
struct nouveau_pushbuf *push = nv30->base.pushbuf;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nouveau_pushbuf_refn refn;
uint32_t rt_format;
rt_format = nv30_format(pipe->screen, ps->format)->hw;
if (util_format_get_blocksize(ps->format) == 4)
rt_format |= NV30_3D_RT_FORMAT_ZETA_Z24S8;
else
rt_format |= NV30_3D_RT_FORMAT_ZETA_Z16;
if (nv30_miptree(ps->texture)->swizzled) {
rt_format |= NV30_3D_RT_FORMAT_TYPE_SWIZZLED;
rt_format |= util_logbase2(sf->width) << 16;
rt_format |= util_logbase2(sf->height) << 24;
} else {
rt_format |= NV30_3D_RT_FORMAT_TYPE_LINEAR;
}
refn.bo = mt->base.bo;
refn.flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_WR;
if (nouveau_pushbuf_space(push, 16, 1, 0) ||
nouveau_pushbuf_refn (push, &refn, 1))
return;
BEGIN_NV04(push, NV30_3D(RT_ENABLE), 1);
PUSH_DATA (push, NV30_3D_RT_ENABLE_COLOR0);
BEGIN_NV04(push, NV30_3D(RT_HORIZ), 3);
PUSH_DATA (push, sf->width << 16);
PUSH_DATA (push, sf->height << 16);
PUSH_DATA (push, rt_format);
BEGIN_NV04(push, NV30_3D(COLOR0_PITCH), 2);
if (eng3d->oclass < NV40_3D_CLASS)
PUSH_DATA (push, (sf->pitch << 16) | sf->pitch);
else
PUSH_DATA (push, sf->pitch);
PUSH_RELOC(push, mt->base.bo, sf->offset, NOUVEAU_BO_LOW, 0, 0);
BEGIN_NV04(push, NV30_3D(SCISSOR_HORIZ), 2);
PUSH_DATA (push, (w << 16) | x);
PUSH_DATA (push, (h << 16) | y);
BEGIN_NV04(push, NV30_3D(CLEAR_COLOR_VALUE), 2);
PUSH_DATA (push, pack_rgba(ps->format, color->f));
PUSH_DATA (push, NV30_3D_CLEAR_BUFFERS_COLOR_R |
NV30_3D_CLEAR_BUFFERS_COLOR_G |
NV30_3D_CLEAR_BUFFERS_COLOR_B |
NV30_3D_CLEAR_BUFFERS_COLOR_A);
nv30->dirty |= NV30_NEW_FRAMEBUFFER | NV30_NEW_SCISSOR;
}
static void
nv30_clear_depth_stencil(struct pipe_context *pipe, struct pipe_surface *ps,
unsigned buffers, double depth, unsigned stencil,
unsigned x, unsigned y, unsigned w, unsigned h)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct nv30_surface *sf = nv30_surface(ps);
struct nv30_miptree *mt = nv30_miptree(ps->texture);
struct nouveau_pushbuf *push = nv30->base.pushbuf;
struct nouveau_object *eng3d = nv30->screen->eng3d;
struct nouveau_pushbuf_refn refn;
uint32_t rt_format, mode = 0;
rt_format = nv30_format(pipe->screen, ps->format)->hw;
if (util_format_get_blocksize(ps->format) == 4)
rt_format |= NV30_3D_RT_FORMAT_COLOR_A8R8G8B8;
else
rt_format |= NV30_3D_RT_FORMAT_COLOR_R5G6B5;
if (nv30_miptree(ps->texture)->swizzled) {
rt_format |= NV30_3D_RT_FORMAT_TYPE_SWIZZLED;
rt_format |= util_logbase2(sf->width) << 16;
rt_format |= util_logbase2(sf->height) << 24;
} else {
rt_format |= NV30_3D_RT_FORMAT_TYPE_LINEAR;
}
if (buffers & PIPE_CLEAR_DEPTH)
mode |= NV30_3D_CLEAR_BUFFERS_DEPTH;
if (buffers & PIPE_CLEAR_STENCIL)
mode |= NV30_3D_CLEAR_BUFFERS_STENCIL;
refn.bo = mt->base.bo;
refn.flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_WR;
if (nouveau_pushbuf_space(push, 32, 1, 0) ||
nouveau_pushbuf_refn (push, &refn, 1))
return;
BEGIN_NV04(push, NV30_3D(RT_ENABLE), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV30_3D(RT_HORIZ), 3);
PUSH_DATA (push, sf->width << 16);
PUSH_DATA (push, sf->height << 16);
PUSH_DATA (push, rt_format);
if (eng3d->oclass < NV40_3D_CLASS) {
BEGIN_NV04(push, NV30_3D(COLOR0_PITCH), 1);
PUSH_DATA (push, (sf->pitch << 16) | sf->pitch);
} else {
BEGIN_NV04(push, NV40_3D(ZETA_PITCH), 1);
PUSH_DATA (push, sf->pitch);
}
BEGIN_NV04(push, NV30_3D(ZETA_OFFSET), 1);
PUSH_RELOC(push, mt->base.bo, sf->offset, NOUVEAU_BO_LOW, 0, 0);
BEGIN_NV04(push, NV30_3D(SCISSOR_HORIZ), 2);
PUSH_DATA (push, (w << 16) | x);
PUSH_DATA (push, (h << 16) | y);
BEGIN_NV04(push, NV30_3D(CLEAR_DEPTH_VALUE), 1);
PUSH_DATA (push, pack_zeta(ps->format, depth, stencil));
BEGIN_NV04(push, NV30_3D(CLEAR_BUFFERS), 1);
PUSH_DATA (push, mode);
nv30->dirty |= NV30_NEW_FRAMEBUFFER | NV30_NEW_SCISSOR;
}