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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 "nouveau_class.h"
#include "nv10_driver.h"
static void
nv10_clear(GLcontext *ctx, GLbitfield buffers)
{
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *celsius = context_eng3d(ctx);
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(
ctx->DrawBuffer);
nouveau_validate_framebuffer(ctx);
/* Clear the LMA depth buffer, if present. */
if ((buffers & BUFFER_BIT_DEPTH) && ctx->Depth.Mask &&
nfb->lma_bo) {
struct nouveau_surface *s = &to_nouveau_renderbuffer(
nfb->base._DepthBuffer->Wrapped)->surface;
BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_FILL_VALUE, 1);
OUT_RING(chan, pack_zs_f(s->format, ctx->Depth.Clear, 0));
BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_BUFFER_CLEAR, 1);
OUT_RING(chan, 1);
}
nouveau_clear(ctx, buffers);
}
GLcontext *
nv10_context_create(struct nouveau_screen *screen, const GLvisual *visual,
GLcontext *share_ctx)
{
struct nouveau_context *nctx;
GLcontext *ctx;
nctx = CALLOC_STRUCT(nouveau_context);
if (!nctx)
return NULL;
ctx = &nctx->base;
nouveau_context_init(ctx, screen, visual, share_ctx);
ctx->Const.MaxTextureLevels = 12;
ctx->Const.MaxTextureCoordUnits = NV10_TEXTURE_UNITS;
ctx->Const.MaxTextureImageUnits = NV10_TEXTURE_UNITS;
ctx->Const.MaxTextureUnits = NV10_TEXTURE_UNITS;
ctx->Const.MaxTextureMaxAnisotropy = 2;
ctx->Const.MaxTextureLodBias = 15;
ctx->Driver.Clear = nv10_clear;
nv10_render_init(ctx);
return ctx;
}
void
nv10_context_destroy(GLcontext *ctx)
{
nv10_render_destroy(ctx);
FREE(ctx);
}
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