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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 "glheader.h"
#include "context.h"
#include "macros.h"
#include "enums.h"
#include "colormac.h"
#include "dd.h"
#include "intel_screen.h"
#include "intel_context.h"
#include "intel_regions.h"
#include "swrast/swrast.h"
int intel_translate_compare_func( GLenum func )
{
switch(func) {
case GL_NEVER:
return COMPAREFUNC_NEVER;
case GL_LESS:
return COMPAREFUNC_LESS;
case GL_LEQUAL:
return COMPAREFUNC_LEQUAL;
case GL_GREATER:
return COMPAREFUNC_GREATER;
case GL_GEQUAL:
return COMPAREFUNC_GEQUAL;
case GL_NOTEQUAL:
return COMPAREFUNC_NOTEQUAL;
case GL_EQUAL:
return COMPAREFUNC_EQUAL;
case GL_ALWAYS:
return COMPAREFUNC_ALWAYS;
}
fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
return COMPAREFUNC_ALWAYS;
}
int intel_translate_stencil_op( GLenum op )
{
switch(op) {
case GL_KEEP:
return STENCILOP_KEEP;
case GL_ZERO:
return STENCILOP_ZERO;
case GL_REPLACE:
return STENCILOP_REPLACE;
case GL_INCR:
return STENCILOP_INCRSAT;
case GL_DECR:
return STENCILOP_DECRSAT;
case GL_INCR_WRAP:
return STENCILOP_INCR;
case GL_DECR_WRAP:
return STENCILOP_DECR;
case GL_INVERT:
return STENCILOP_INVERT;
default:
return STENCILOP_ZERO;
}
}
int intel_translate_blend_factor( GLenum factor )
{
switch(factor) {
case GL_ZERO:
return BLENDFACT_ZERO;
case GL_SRC_ALPHA:
return BLENDFACT_SRC_ALPHA;
case GL_ONE:
return BLENDFACT_ONE;
case GL_SRC_COLOR:
return BLENDFACT_SRC_COLR;
case GL_ONE_MINUS_SRC_COLOR:
return BLENDFACT_INV_SRC_COLR;
case GL_DST_COLOR:
return BLENDFACT_DST_COLR;
case GL_ONE_MINUS_DST_COLOR:
return BLENDFACT_INV_DST_COLR;
case GL_ONE_MINUS_SRC_ALPHA:
return BLENDFACT_INV_SRC_ALPHA;
case GL_DST_ALPHA:
return BLENDFACT_DST_ALPHA;
case GL_ONE_MINUS_DST_ALPHA:
return BLENDFACT_INV_DST_ALPHA;
case GL_SRC_ALPHA_SATURATE:
return BLENDFACT_SRC_ALPHA_SATURATE;
case GL_CONSTANT_COLOR:
return BLENDFACT_CONST_COLOR;
case GL_ONE_MINUS_CONSTANT_COLOR:
return BLENDFACT_INV_CONST_COLOR;
case GL_CONSTANT_ALPHA:
return BLENDFACT_CONST_ALPHA;
case GL_ONE_MINUS_CONSTANT_ALPHA:
return BLENDFACT_INV_CONST_ALPHA;
}
fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor);
return BLENDFACT_ZERO;
}
int intel_translate_logic_op( GLenum opcode )
{
switch(opcode) {
case GL_CLEAR:
return LOGICOP_CLEAR;
case GL_AND:
return LOGICOP_AND;
case GL_AND_REVERSE:
return LOGICOP_AND_RVRSE;
case GL_COPY:
return LOGICOP_COPY;
case GL_COPY_INVERTED:
return LOGICOP_COPY_INV;
case GL_AND_INVERTED:
return LOGICOP_AND_INV;
case GL_NOOP:
return LOGICOP_NOOP;
case GL_XOR:
return LOGICOP_XOR;
case GL_OR:
return LOGICOP_OR;
case GL_OR_INVERTED:
return LOGICOP_OR_INV;
case GL_NOR:
return LOGICOP_NOR;
case GL_EQUIV:
return LOGICOP_EQUIV;
case GL_INVERT:
return LOGICOP_INV;
case GL_OR_REVERSE:
return LOGICOP_OR_RVRSE;
case GL_NAND:
return LOGICOP_NAND;
case GL_SET:
return LOGICOP_SET;
default:
return LOGICOP_SET;
}
}
static void intelClearColor(GLcontext *ctx, const GLfloat color[4])
{
struct intel_context *intel = intel_context(ctx);
intelScreenPrivate *screen = intel->intelScreen;
UNCLAMPED_FLOAT_TO_RGBA_CHAN(intel->clear_chan, color);
intel->ClearColor = INTEL_PACKCOLOR(screen->fbFormat,
intel->clear_chan[0],
intel->clear_chan[1],
intel->clear_chan[2],
intel->clear_chan[3]);
}
/* Fallback to swrast for select and feedback.
*/
static void intelRenderMode( GLcontext *ctx, GLenum mode )
{
struct intel_context *intel = intel_context(ctx);
FALLBACK( intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER) );
}
void intelInitStateFuncs( struct dd_function_table *functions )
{
functions->RenderMode = intelRenderMode;
functions->ClearColor = intelClearColor;
}
void intelInitState( GLcontext *ctx )
{
/* Mesa should do this for us:
*/
ctx->Driver.AlphaFunc( ctx,
ctx->Color.AlphaFunc,
ctx->Color.AlphaRef);
ctx->Driver.BlendColor( ctx,
ctx->Color.BlendColor );
ctx->Driver.BlendEquationSeparate( ctx,
ctx->Color.BlendEquationRGB,
ctx->Color.BlendEquationA);
ctx->Driver.BlendFuncSeparate( ctx,
ctx->Color.BlendSrcRGB,
ctx->Color.BlendDstRGB,
ctx->Color.BlendSrcA,
ctx->Color.BlendDstA);
ctx->Driver.ColorMask( ctx,
ctx->Color.ColorMask[RCOMP],
ctx->Color.ColorMask[GCOMP],
ctx->Color.ColorMask[BCOMP],
ctx->Color.ColorMask[ACOMP]);
ctx->Driver.CullFace( ctx, ctx->Polygon.CullFaceMode );
ctx->Driver.DepthFunc( ctx, ctx->Depth.Func );
ctx->Driver.DepthMask( ctx, ctx->Depth.Mask );
ctx->Driver.Enable( ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled );
ctx->Driver.Enable( ctx, GL_BLEND, ctx->Color.BlendEnabled );
ctx->Driver.Enable( ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled );
ctx->Driver.Enable( ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled );
ctx->Driver.Enable( ctx, GL_CULL_FACE, ctx->Polygon.CullFlag );
ctx->Driver.Enable( ctx, GL_DEPTH_TEST, ctx->Depth.Test );
ctx->Driver.Enable( ctx, GL_DITHER, ctx->Color.DitherFlag );
ctx->Driver.Enable( ctx, GL_FOG, ctx->Fog.Enabled );
ctx->Driver.Enable( ctx, GL_LIGHTING, ctx->Light.Enabled );
ctx->Driver.Enable( ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag );
ctx->Driver.Enable( ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag );
ctx->Driver.Enable( ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled );
ctx->Driver.Enable( ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled );
ctx->Driver.Enable( ctx, GL_TEXTURE_1D, GL_FALSE );
ctx->Driver.Enable( ctx, GL_TEXTURE_2D, GL_FALSE );
ctx->Driver.Enable( ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE );
ctx->Driver.Enable( ctx, GL_TEXTURE_3D, GL_FALSE );
ctx->Driver.Enable( ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE );
ctx->Driver.Fogfv( ctx, GL_FOG_COLOR, ctx->Fog.Color );
ctx->Driver.Fogfv( ctx, GL_FOG_MODE, 0 );
ctx->Driver.Fogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
ctx->Driver.Fogfv( ctx, GL_FOG_START, &ctx->Fog.Start );
ctx->Driver.Fogfv( ctx, GL_FOG_END, &ctx->Fog.End );
ctx->Driver.FrontFace( ctx, ctx->Polygon.FrontFace );
{
GLfloat f = (GLfloat)ctx->Light.Model.ColorControl;
ctx->Driver.LightModelfv( ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f );
}
ctx->Driver.LineWidth( ctx, ctx->Line.Width );
ctx->Driver.LogicOpcode( ctx, ctx->Color.LogicOp );
ctx->Driver.PointSize( ctx, ctx->Point.Size );
ctx->Driver.PolygonStipple( ctx, (const GLubyte *)ctx->PolygonStipple );
ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
ctx->Scissor.Width, ctx->Scissor.Height );
ctx->Driver.ShadeModel( ctx, ctx->Light.ShadeModel );
ctx->Driver.StencilFuncSeparate( ctx, GL_FRONT,
ctx->Stencil.Function[0],
ctx->Stencil.Ref[0],
ctx->Stencil.ValueMask[0] );
ctx->Driver.StencilFuncSeparate( ctx, GL_BACK,
ctx->Stencil.Function[1],
ctx->Stencil.Ref[1],
ctx->Stencil.ValueMask[1] );
ctx->Driver.StencilMaskSeparate( ctx, GL_FRONT, ctx->Stencil.WriteMask[0] );
ctx->Driver.StencilMaskSeparate( ctx, GL_BACK, ctx->Stencil.WriteMask[1] );
ctx->Driver.StencilOpSeparate( ctx, GL_FRONT,
ctx->Stencil.FailFunc[0],
ctx->Stencil.ZFailFunc[0],
ctx->Stencil.ZPassFunc[0]);
ctx->Driver.StencilOpSeparate( ctx, GL_BACK,
ctx->Stencil.FailFunc[1],
ctx->Stencil.ZFailFunc[1],
ctx->Stencil.ZPassFunc[1]);
ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer[0] );
}
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