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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_fbo.h"
#include "nouveau_context.h"
#include "swrast/swrast.h"
#include "swrast/s_context.h"
static void
renderbuffer_map_unmap(struct gl_context *ctx, struct gl_renderbuffer *rb,
GLboolean map)
{
struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
if (map)
nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR, context_client(ctx));
}
static void
framebuffer_map_unmap(struct gl_context *ctx, struct gl_framebuffer *fb, GLboolean map)
{
int i;
for (i = 0; i < fb->_NumColorDrawBuffers; i++)
renderbuffer_map_unmap(ctx, fb->_ColorDrawBuffers[i], map);
renderbuffer_map_unmap(ctx, fb->_ColorReadBuffer, map);
if (fb->Attachment[BUFFER_DEPTH].Renderbuffer)
renderbuffer_map_unmap(ctx, fb->Attachment[BUFFER_DEPTH].Renderbuffer, map);
}
static void
span_map_unmap(struct gl_context *ctx, GLboolean map)
{
int i;
framebuffer_map_unmap(ctx, ctx->DrawBuffer, map);
if (ctx->ReadBuffer != ctx->DrawBuffer)
framebuffer_map_unmap(ctx, ctx->ReadBuffer, map);
for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
if (map)
_swrast_map_texture(ctx, ctx->Texture.Unit[i]._Current);
else
_swrast_unmap_texture(ctx, ctx->Texture.Unit[i]._Current);
}
static void
nouveau_span_start(struct gl_context *ctx)
{
nouveau_fallback(ctx, SWRAST);
span_map_unmap(ctx, GL_TRUE);
}
static void
nouveau_span_finish(struct gl_context *ctx)
{
span_map_unmap(ctx, GL_FALSE);
nouveau_fallback(ctx, HWTNL);
}
void
nouveau_span_functions_init(struct gl_context *ctx)
{
struct swrast_device_driver *swdd =
_swrast_GetDeviceDriverReference(ctx);
swdd->SpanRenderStart = nouveau_span_start;
swdd->SpanRenderFinish = nouveau_span_finish;
}
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