/*
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* Copyright (C) 2009 Francisco Jerez.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "nouveau_driver.h"
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#include "nouveau_fbo.h"
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#include "nouveau_context.h"
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#include "swrast/swrast.h"
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#include "swrast/s_context.h"
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static void
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renderbuffer_map_unmap(struct gl_context *ctx, struct gl_renderbuffer *rb,
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GLboolean map)
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{
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struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
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if (map)
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nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR, context_client(ctx));
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}
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static void
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framebuffer_map_unmap(struct gl_context *ctx, struct gl_framebuffer *fb, GLboolean map)
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{
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int i;
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for (i = 0; i < fb->_NumColorDrawBuffers; i++)
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renderbuffer_map_unmap(ctx, fb->_ColorDrawBuffers[i], map);
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renderbuffer_map_unmap(ctx, fb->_ColorReadBuffer, map);
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if (fb->Attachment[BUFFER_DEPTH].Renderbuffer)
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renderbuffer_map_unmap(ctx, fb->Attachment[BUFFER_DEPTH].Renderbuffer, map);
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}
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static void
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span_map_unmap(struct gl_context *ctx, GLboolean map)
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{
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int i;
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framebuffer_map_unmap(ctx, ctx->DrawBuffer, map);
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if (ctx->ReadBuffer != ctx->DrawBuffer)
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framebuffer_map_unmap(ctx, ctx->ReadBuffer, map);
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for (i = 0; i < ctx->Const.MaxTextureUnits; i++)
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if (map)
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_swrast_map_texture(ctx, ctx->Texture.Unit[i]._Current);
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else
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_swrast_unmap_texture(ctx, ctx->Texture.Unit[i]._Current);
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}
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static void
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nouveau_span_start(struct gl_context *ctx)
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{
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nouveau_fallback(ctx, SWRAST);
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span_map_unmap(ctx, GL_TRUE);
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}
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static void
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nouveau_span_finish(struct gl_context *ctx)
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{
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span_map_unmap(ctx, GL_FALSE);
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nouveau_fallback(ctx, HWTNL);
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}
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void
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nouveau_span_functions_init(struct gl_context *ctx)
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{
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struct swrast_device_driver *swdd =
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_swrast_GetDeviceDriverReference(ctx);
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swdd->SpanRenderStart = nouveau_span_start;
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swdd->SpanRenderFinish = nouveau_span_finish;
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}
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