/*
* 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_fbo.h"
#include "nouveau_util.h"
#include "nv_object.xml.h"
#include "nv10_3d.xml.h"
#include "nv10_driver.h"
static inline unsigned
get_rt_format(gl_format format)
{
switch (format) {
case MESA_FORMAT_XRGB8888:
return NV10_3D_RT_FORMAT_COLOR_X8R8G8B8;
case MESA_FORMAT_ARGB8888:
return NV10_3D_RT_FORMAT_COLOR_A8R8G8B8;
case MESA_FORMAT_RGB565:
return NV10_3D_RT_FORMAT_COLOR_R5G6B5;
case MESA_FORMAT_Z16:
return NV10_3D_RT_FORMAT_DEPTH_Z16;
case MESA_FORMAT_Z24_S8:
return NV10_3D_RT_FORMAT_DEPTH_Z24S8;
default:
}
}
static void
setup_hierz_buffer(struct gl_context *ctx)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
unsigned pitch = align(fb->Width, 128),
height = align(fb->Height, 2),
size = pitch * height;
if (!nfb->hierz.bo || nfb->hierz.bo->size != size) {
union nouveau_bo_config config = {
.nv04.surf_flags = NV04_BO_ZETA,
.nv04.surf_pitch = 0
};
nouveau_bo_ref(NULL, &nfb->hierz.bo);
nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size,
&config, &nfb->hierz.bo);
}
PUSH_SPACE(push, 11);
BEGIN_NV04(push, NV17_3D(HIERZ_OFFSET), 1);
PUSH_MTHDl(push, NV17_3D(HIERZ_OFFSET), BUFCTX_FB,
nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
BEGIN_NV04(push, NV17_3D(HIERZ_WINDOW_X), 4);
PUSH_DATAf(push, - 1792);
PUSH_DATAf(push, - 2304 + fb->Height);
PUSH_DATAf(push, fb->_DepthMaxF / 2);
PUSH_DATAf(push, 0);
BEGIN_NV04(push, NV17_3D(HIERZ_PITCH), 1);
PUSH_DATA (push, pitch);
BEGIN_NV04(push, NV17_3D(HIERZ_ENABLE), 1);
PUSH_DATA (push, 1);
}
void
nv10_emit_framebuffer(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_surface *s;
unsigned rt_format = NV10_3D_RT_FORMAT_TYPE_LINEAR;
unsigned rt_pitch = 0, zeta_pitch = 0;
unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT)
return;
PUSH_RESET(push, BUFCTX_FB);
/* At least nv11 seems to get sad if we don't do this before
* swapping RTs.*/
if (context_chipset(ctx) < 0x17) {
int i;
for (i = 0; i < 6; i++) {
BEGIN_NV04(push, NV04_GRAPH(3D, NOP), 1);
PUSH_DATA (push, 0);
}
}
/* Render target */
if (fb->_ColorDrawBuffers[0]) {
s = &to_nouveau_renderbuffer(
fb->_ColorDrawBuffers[0])->surface;
rt_format |= get_rt_format(s->format);
zeta_pitch = rt_pitch = s->pitch;
BEGIN_NV04(push, NV10_3D(COLOR_OFFSET), 1);
PUSH_MTHDl(push, NV10_3D(COLOR_OFFSET), BUFCTX_FB,
s->bo, 0, bo_flags);
}
/* depth/stencil */
if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) {
s = &to_nouveau_renderbuffer(
fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
rt_format |= get_rt_format(s->format);
zeta_pitch = s->pitch;
BEGIN_NV04(push, NV10_3D(ZETA_OFFSET), 1);
PUSH_MTHDl(push, NV10_3D(ZETA_OFFSET), BUFCTX_FB,
s->bo, 0, bo_flags);
if (context_chipset(ctx) >= 0x17) {
setup_hierz_buffer(ctx);
context_dirty(ctx, ZCLEAR);
}
}
BEGIN_NV04(push, NV10_3D(RT_FORMAT), 2);
PUSH_DATA (push, rt_format);
PUSH_DATA (push, zeta_pitch << 16 | rt_pitch);
context_dirty(ctx, VIEWPORT);
context_dirty(ctx, SCISSOR);
}
void
nv10_emit_render_mode(struct gl_context *ctx, int emit)
{
}
void
nv10_emit_scissor(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
int x, y, w, h;
get_scissors(ctx->DrawBuffer, &x, &y, &w, &h);
BEGIN_NV04(push, NV10_3D(RT_HORIZ), 2);
PUSH_DATA (push, w << 16 | x);
PUSH_DATA (push, h << 16 | y);
}
void
nv10_emit_viewport(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_viewport_attrib *vp = &ctx->Viewport;
struct gl_framebuffer *fb = ctx->DrawBuffer;
float a[4] = {};
get_viewport_translate(ctx, a);
a[0] -= 2048;
a[1] -= 2048;
if (nv10_use_viewport_zclear(ctx))
a[2] = nv10_transform_depth(ctx, (vp->Far + vp->Near) / 2);
BEGIN_NV04(push, NV10_3D(VIEWPORT_TRANSLATE_X), 4);
PUSH_DATAp(push, a, 4);
BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
PUSH_DATA (push, (fb->Width - 1) << 16 | 0x08000800);
BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_VERT(0)), 1);
PUSH_DATA (push, (fb->Height - 1) << 16 | 0x08000800);
context_dirty(ctx, PROJECTION);
}
void
nv10_emit_zclear(struct gl_context *ctx, int emit)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_framebuffer *nfb =
to_nouveau_framebuffer(ctx->DrawBuffer);
if (nfb->hierz.bo) {
BEGIN_NV04(push, NV17_3D(ZCLEAR_ENABLE), 2);
PUSH_DATAb(push, !nctx->hierz.clear_blocked);
PUSH_DATA (push, nfb->hierz.clear_value |
(nctx->hierz.clear_seq & 0xff));
} else {
BEGIN_NV04(push, NV10_3D(DEPTH_RANGE_NEAR), 2);
PUSH_DATAf(push, nv10_transform_depth(ctx, 0));
PUSH_DATAf(push, nv10_transform_depth(ctx, 1));
context_dirty(ctx, VIEWPORT);
}
}