void
nv20_emit_tex_obj(GLcontext *ctx, int emit)
{
const int i = emit - NOUVEAU_STATE_TEX_OBJ0;
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *kelvin = context_eng3d(ctx);
struct nouveau_bo_context *bctx = context_bctx_i(ctx, TEXTURE, i);
const int bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART | NOUVEAU_BO_VRAM;
struct gl_texture_object *t;
struct nouveau_surface *s;
struct gl_texture_image *ti;
uint32_t tx_format, tx_filter, tx_wrap, tx_enable;
if (!ctx->Texture.Unit[i]._ReallyEnabled) {
BEGIN_RING(chan, kelvin, NV20TCL_TX_ENABLE(i), 1);
OUT_RING(chan, 0);
context_dirty(ctx, TEX_SHADER);
return;
}
t = ctx->Texture.Unit[i]._Current;
s = &to_nouveau_texture(t)->surfaces[t->BaseLevel];
ti = t->Image[0][t->BaseLevel];
if (!nouveau_texture_validate(ctx, t))
return;
/* Recompute the texturing registers. */
tx_format = ti->DepthLog2 << 28
| ti->HeightLog2 << 24
| ti->WidthLog2 << 20
| NV20TCL_TX_FORMAT_DIMS_2D
| NV20TCL_TX_FORMAT_NO_BORDER
| 1 << 16;
tx_wrap = nvgl_wrap_mode(t->WrapR) << 16
| nvgl_wrap_mode(t->WrapT) << 8
| nvgl_wrap_mode(t->WrapS) << 0;
tx_filter = nvgl_filter_mode(t->MagFilter) << 24
| nvgl_filter_mode(t->MinFilter) << 16
| 2 << 12;
tx_enable = NV20TCL_TX_ENABLE_ENABLE
| log2i(t->MaxAnisotropy) << 4;
if (t->Target == GL_TEXTURE_RECTANGLE) {
BEGIN_RING(chan, kelvin, NV20TCL_TX_NPOT_PITCH(i), 1);
OUT_RING(chan, s->pitch << 16);
BEGIN_RING(chan, kelvin, NV20TCL_TX_NPOT_SIZE(i), 1);
OUT_RING(chan, s->width << 16 | s->height);
tx_format |= get_tex_format_rect(ti);
} else {
tx_format |= get_tex_format_pot(ti);
}
if (t->MinFilter != GL_NEAREST &&
t->MinFilter != GL_LINEAR) {
int lod_min = t->MinLod;
int lod_max = MIN2(t->MaxLod, t->_MaxLambda);
int lod_bias = t->LodBias
+ ctx->Texture.Unit[i].LodBias;
lod_max = CLAMP(lod_max, 0, 15);
lod_min = CLAMP(lod_min, 0, 15);
lod_bias = CLAMP(lod_bias, 0, 15);
tx_format |= NV20TCL_TX_FORMAT_MIPMAP;
tx_filter |= lod_bias << 8;
tx_enable |= lod_min << 26
| lod_max << 14;
}
/* Write it to the hardware. */
nouveau_bo_mark(bctx, kelvin, NV20TCL_TX_FORMAT(i),
s->bo, tx_format, 0,
NV20TCL_TX_FORMAT_DMA0,
NV20TCL_TX_FORMAT_DMA1,
bo_flags | NOUVEAU_BO_OR);
nouveau_bo_markl(bctx, kelvin, NV20TCL_TX_OFFSET(i),
s->bo, 0, bo_flags);
BEGIN_RING(chan, kelvin, NV20TCL_TX_WRAP(i), 1);
OUT_RING(chan, tx_wrap);
BEGIN_RING(chan, kelvin, NV20TCL_TX_FILTER(i), 1);
OUT_RING(chan, tx_filter);
BEGIN_RING(chan, kelvin, NV20TCL_TX_ENABLE(i), 1);
OUT_RING(chan, tx_enable);
context_dirty(ctx, TEX_SHADER);
}
void
nv04_emit_tex_obj(struct gl_context *ctx, int emit)
{
const int i = emit - NOUVEAU_STATE_TEX_OBJ0;
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx);
struct nouveau_bo_context *bctx = context_bctx_i(ctx, TEXTURE, i);
const int bo_flags = NOUVEAU_BO_RD | NOUVEAU_BO_GART | NOUVEAU_BO_VRAM;
struct nouveau_surface *s;
uint32_t format = 0xa0, filter = 0x1010;
if (i && !nv04_mtex_engine(fahrenheit))
return;
if (ctx->Texture.Unit[i]._ReallyEnabled) {
struct gl_texture_object *t = ctx->Texture.Unit[i]._Current;
struct gl_texture_image *ti = t->Image[0][t->BaseLevel];
int lod_max = 1, lod_bias = 0;
if (!nouveau_texture_validate(ctx, t))
return;
s = &to_nouveau_texture(t)->surfaces[t->BaseLevel];
if (t->MinFilter != GL_NEAREST &&
t->MinFilter != GL_LINEAR) {
lod_max = CLAMP(MIN2(t->MaxLod, t->_MaxLambda),
0, 15) + 1;
lod_bias = CLAMP(ctx->Texture.Unit[i].LodBias +
t->LodBias, -16, 15) * 8;
}
format |= nvgl_wrap_mode(t->WrapT) << 28 |
nvgl_wrap_mode(t->WrapS) << 24 |
ti->HeightLog2 << 20 |
ti->WidthLog2 << 16 |
lod_max << 12 |
get_tex_format(ti);
filter |= log2i(t->MaxAnisotropy) << 31 |
nvgl_filter_mode(t->MagFilter) << 28 |
log2i(t->MaxAnisotropy) << 27 |
nvgl_filter_mode(t->MinFilter) << 24 |
(lod_bias & 0xff) << 16;
} else {
s = &to_nv04_context(ctx)->dummy_texture;
format |= NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_REPEAT |
NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSV_REPEAT |
1 << 12 |
NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8;
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST |
NV04_TEXTURED_TRIANGLE_FILTER_MAGNIFY_NEAREST;
}
if (nv04_mtex_engine(fahrenheit)) {
nouveau_bo_markl(bctx, fahrenheit,
NV04_MULTITEX_TRIANGLE_OFFSET(i),
s->bo, s->offset, bo_flags);
nouveau_bo_mark(bctx, fahrenheit,
NV04_MULTITEX_TRIANGLE_FORMAT(i),
s->bo, format, 0,
NV04_MULTITEX_TRIANGLE_FORMAT_DMA_A,
NV04_MULTITEX_TRIANGLE_FORMAT_DMA_B,
bo_flags | NOUVEAU_BO_OR);
BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_FILTER(i), 1);
OUT_RING(chan, filter);
} else {
nouveau_bo_markl(bctx, fahrenheit,
NV04_TEXTURED_TRIANGLE_OFFSET,
s->bo, s->offset, bo_flags);
nouveau_bo_mark(bctx, fahrenheit,
NV04_TEXTURED_TRIANGLE_FORMAT,
s->bo, format, 0,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_A,
NV04_TEXTURED_TRIANGLE_FORMAT_DMA_B,
bo_flags | NOUVEAU_BO_OR);
BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_COLORKEY, 1);
OUT_RING(chan, 0);
BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_FILTER, 1);
OUT_RING(chan, filter);
}
}