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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_fbo.h"
#include "nouveau_util.h"
#include "nv04_3d.xml.h"
#include "nv04_driver.h"
static inline unsigned
get_rt_format(mesa_format format)
{
switch (format) {
case MESA_FORMAT_B8G8R8X8_UNORM:
return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_X8R8G8B8_X8R8G8B8;
case MESA_FORMAT_B8G8R8A8_UNORM:
return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_A8R8G8B8;
case MESA_FORMAT_B5G6R5_UNORM:
return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_R5G6B5;
default:
assert(0);
}
}
void
nv04_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;
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;
PUSH_RESET(push, BUFCTX_FB);
/* 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, NV04_SF3D(OFFSET_COLOR), 1);
PUSH_MTHDl(push, NV04_SF3D(OFFSET_COLOR), 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;
zeta_pitch = s->pitch;
BEGIN_NV04(push, NV04_SF3D(OFFSET_ZETA), 1);
PUSH_MTHDl(push, NV04_SF3D(OFFSET_ZETA), BUFCTX_FB,
s->bo, 0, bo_flags);
}
BEGIN_NV04(push, NV04_SF3D(FORMAT), 1);
PUSH_DATA (push, rt_format);
BEGIN_NV04(push, NV04_SF3D(PITCH), 1);
PUSH_DATA (push, zeta_pitch << 16 | rt_pitch);
/* Recompute the scissor state. */
context_dirty(ctx, SCISSOR);
context_dirty(ctx, CONTROL);
}
void
nv04_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, NV04_SF3D(CLIP_HORIZONTAL), 2);
PUSH_DATA (push, w << 16 | x);
PUSH_DATA (push, h << 16 | y);
}
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