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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 "i830_context.h"
#include "main/api_exec.h"
#include "main/imports.h"
#include "main/version.h"
#include "main/vtxfmt.h"
#include "tnl/tnl.h"
#include "tnl/t_vertex.h"
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
#include "intel_span.h"
#include "intel_tris.h"
#include "../glsl/ralloc.h"
/***************************************
* Mesa's Driver Functions
***************************************/
static void
i830InitDriverFunctions(struct dd_function_table *functions)
{
intelInitDriverFunctions(functions);
i830InitStateFuncs(functions);
}
extern const struct tnl_pipeline_stage *intel_pipeline[];
bool
i830CreateContext(int api,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
unsigned major_version,
unsigned minor_version,
unsigned *error,
void *sharedContextPrivate)
{
struct dd_function_table functions;
struct i830_context *i830 = rzalloc(NULL, struct i830_context);
struct intel_context *intel = &i830->intel;
struct gl_context *ctx = &intel->ctx;
if (!i830) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return false;
}
i830InitVtbl(i830);
i830InitDriverFunctions(&functions);
if (!intelInitContext(intel, __DRI_API_OPENGL,
major_version, minor_version,
mesaVis, driContextPriv,
sharedContextPrivate, &functions,
error)) {
ralloc_free(i830);
return false;
}
intel_init_texture_formats(ctx);
_math_matrix_ctr(&intel->ViewportMatrix);
/* Initialize swrast, tnl driver tables: */
intelInitSpanFuncs(ctx);
intelInitTriFuncs(ctx);
/* Install the customized pipeline: */
_tnl_destroy_pipeline(ctx);
_tnl_install_pipeline(ctx, intel_pipeline);
if (intel->no_rast)
FALLBACK(intel, INTEL_FALLBACK_USER, 1);
intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS;
intel->ctx.Const.MaxTextureCoordUnits = I830_TEX_UNITS;
/* Advertise the full hardware capabilities. The new memory
* manager should cope much better with overload situations:
*/
ctx->Const.MaxTextureLevels = 12;
ctx->Const.Max3DTextureLevels = 9;
ctx->Const.MaxCubeTextureLevels = 11;
ctx->Const.MaxTextureRectSize = (1 << 11);
ctx->Const.MaxTextureUnits = I830_TEX_UNITS;
ctx->Const.MaxTextureMaxAnisotropy = 2.0;
ctx->Const.MaxDrawBuffers = 1;
_tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12,
18 * sizeof(GLfloat));
intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
i830InitState(i830);
_tnl_allow_vertex_fog(ctx, 1);
_tnl_allow_pixel_fog(ctx, 0);
_mesa_compute_version(ctx);
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
return true;
}
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