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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_shadow_compare_func( GLenum func )
{
switch(func) {
case GL_NEVER:
return COMPAREFUNC_ALWAYS;
case GL_LESS:
return COMPAREFUNC_LEQUAL;
case GL_LEQUAL:
return COMPAREFUNC_LESS;
case GL_GREATER:
return COMPAREFUNC_GEQUAL;
case GL_GEQUAL:
return COMPAREFUNC_GREATER;
case GL_NOTEQUAL:
return COMPAREFUNC_EQUAL;
case GL_EQUAL:
return COMPAREFUNC_NOTEQUAL;
case GL_ALWAYS:
return COMPAREFUNC_NEVER;
}
fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
return COMPAREFUNC_NEVER;
}
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;
}
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