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/*
* Copyright (C) 2009 Francisco Jerez.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_texture.h"
#include "nouveau_util.h"
#include "nouveau_gldefs.h"
#include "nouveau_class.h"
#include "nv04_driver.h"
static uint32_t
get_tex_format(struct gl_texture_image *ti)
{
switch (ti->TexFormat) {
case MESA_FORMAT_A8:
case MESA_FORMAT_L8:
case MESA_FORMAT_I8:
return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_Y8;
case MESA_FORMAT_ARGB1555:
return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A1R5G5B5;
case MESA_FORMAT_ARGB4444:
return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A4R4G4B4;
case MESA_FORMAT_RGB565:
return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_R5G6B5;
case MESA_FORMAT_ARGB8888:
return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8;
case MESA_FORMAT_XRGB8888:
return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_X8R8G8B8;
default:
assert(0);
}
}
static inline unsigned
get_wrap_mode(unsigned wrap)
{
switch (wrap) {
case GL_REPEAT:
return 0x1;
case GL_MIRRORED_REPEAT:
return 0x2;
case GL_CLAMP:
case GL_CLAMP_TO_EDGE:
return 0x3;
case GL_CLAMP_TO_BORDER:
return 0x4;
default:
assert(0);
}
}
void
nv04_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 *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, 0, 15);
}
format |= get_wrap_mode(t->WrapT) << 28 |
get_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 << 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, 0, 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, 0, 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);
}
}
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