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sparrowPrimitives.c
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/* This file is part of sparrow3d.
* Sparrow3d is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* Sparrow3d is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>
*
* For feedback and questions about my Files and Projects please mail me,
* Alexander Matthes (Ziz) , zizsdl_at_googlemail.com */
#include "sparrowPrimitives.h"
#ifdef PANDORA
#include <arm_neon.h>
#endif
#include <stdlib.h>
#include <string.h>
SDL_Surface* spTarget = NULL;
//Uint16* spTargetPixel = NULL; GP2X
SDL_Surface* spTexture = NULL;
Uint16* spTexturePixel = NULL;
Uint32 spZTest = 1;
Uint32 spZSet = 1;
Uint32 spAlphaTest = 1;
Uint32 spQuadQuali = 0;
//Sint32* spZBuffer = NULL; GP2X
Sint32 spZFar = -6553600; //-100.0f
//Sint32 spMaxWLogDiff = 3; GP2X
Sint32 spZNear = -7000; //-0.1f
/*Sint32 spTargetScanLine = 0; //if the surface is even, same as spTargetX, else +1.
Sint32 spTargetX = 0;
Sint32 spTargetY = 0; GP2X*/
Sint32 spTextureX = 0;
Sint32 spTextureScanLine = 0; //if the surface is even, same as spTextureX, else +1.
Sint32 spTextureY = 0;
Sint32 spOne_over_x_look_up[1 << SP_ACCURACY];
Uint32 spZBufferCacheCount = 16;
Uint32 spZBufferCacheLast;
Sint32** spZBufferCache = NULL;
SDL_Surface** spTargetCache = NULL;
Uint32* spSizeCache = NULL;
char spCulling = 1;
Sint32 spVerticalOrigin = SP_CENTER;
Sint32 spHorizontalOrigin = SP_CENTER;
Uint8 spPattern[8] = {255,255,255,255,255,255,255,255}; //64 Bit, 8 Bytes, 4 Halfwords, 2 words, 1 long word
Sint32 spUsePattern = 0;
int spPrimitivesIsInitialized = 0;
Sint32 spBlending = SP_ONE;
Sint32 spUseParallelProcess = 0;
Sint32 spLineWidth = 1;
Sint32 spBlendingPatternEmulation = 1;
int spFixedX = 0, spFixedY = 0;
//Sint32* spOne_over_x_look_up_fixed; GP2X
#include "sparrowPrimitiveDrawingThread.c"
#define setup_stack_struct(pos_,mode_) \
spScanLineCache[(pos_)].mode = (mode_); \
spScanLineCache[(pos_)].texturePixel = spTexturePixel; \
spScanLineCache[(pos_)].textureScanLine = spTextureScanLine; \
spScanLineCache[(pos_)].textureX = spTextureX; \
spScanLineCache[(pos_)].textureY = spTextureY; \
spScanLineCache[(pos_)].zTest = spZTest; \
spScanLineCache[(pos_)].zSet = spZSet; \
spScanLineCache[(pos_)].alphaTest = spAlphaTest; \
spScanLineCache[(pos_)].usePattern = spUsePattern; \
{ \
int i; \
for (i = 0; i < 8; i++) \
spScanLineCache[(pos_)].pattern[i] = spPattern[i]; \
} \
spScanLineCache[(pos_)].blending = spBlending;
#ifndef SP_MAX_SCANLINE_NO_CHECK
#define CIRCLE_ON_FULL_STACK \
while (1) \
{ \
SDL_mutexP(spScanLineMutex); \
if (((spScanLineEnd+1) & SP_MAX_SCANLINES_MOD) != spScanLineBegin) \
break; \
SDL_mutexV(spScanLineMutex); \
spSleep(SP_MAX_SCANLINES_WAIT_TIME); \
} \
SDL_mutexV(spScanLineMutex);
#else
#define CIRCLE_ON_FULL_STACK {}
#endif
inline void sp_intern_Triangle_overlord( Sint32 x1, Sint32 y1, Sint32 z1, Sint32 x2, Sint32 y2, Sint32 z2, Sint32 x3, Sint32 y3, Sint32 z3, Uint32 color )
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,0)
spScanLineCache[spScanLineEnd].primitive.triangle.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.triangle.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.triangle.z1 = z1;
spScanLineCache[spScanLineEnd].primitive.triangle.x2 = x2;
spScanLineCache[spScanLineEnd].primitive.triangle.y2 = y2;
spScanLineCache[spScanLineEnd].primitive.triangle.z2 = z2;
spScanLineCache[spScanLineEnd].primitive.triangle.x3 = x3;
spScanLineCache[spScanLineEnd].primitive.triangle.y3 = y3;
spScanLineCache[spScanLineEnd].primitive.triangle.z3 = z3;
spScanLineCache[spScanLineEnd].primitive.triangle.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
inline void sp_intern_Triangle_tex_overlord( Sint32 x1, Sint32 y1, Sint32 z1, Sint32 u1, Sint32 v1, Sint32 x2, Sint32 y2, Sint32 z2, Sint32 u2, Sint32 v2, Sint32 x3, Sint32 y3, Sint32 z3, Sint32 u3, Sint32 v3, Uint32 color )
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,1)
spScanLineCache[spScanLineEnd].primitive.texTriangle.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.texTriangle.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.texTriangle.z1 = z1;
spScanLineCache[spScanLineEnd].primitive.texTriangle.u1 = u1;
spScanLineCache[spScanLineEnd].primitive.texTriangle.v1 = v1;
spScanLineCache[spScanLineEnd].primitive.texTriangle.x2 = x2;
spScanLineCache[spScanLineEnd].primitive.texTriangle.y2 = y2;
spScanLineCache[spScanLineEnd].primitive.texTriangle.z2 = z2;
spScanLineCache[spScanLineEnd].primitive.texTriangle.u2 = u2;
spScanLineCache[spScanLineEnd].primitive.texTriangle.v2 = v2;
spScanLineCache[spScanLineEnd].primitive.texTriangle.x3 = x3;
spScanLineCache[spScanLineEnd].primitive.texTriangle.y3 = y3;
spScanLineCache[spScanLineEnd].primitive.texTriangle.z3 = z3;
spScanLineCache[spScanLineEnd].primitive.texTriangle.u3 = u3;
spScanLineCache[spScanLineEnd].primitive.texTriangle.v3 = v3;
spScanLineCache[spScanLineEnd].primitive.texTriangle.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
#ifndef NO_PERSPECTIVE
inline void sp_intern_Triangle_tex_overlord_perspect( Sint32 x1, Sint32 y1, Sint32 z1, Sint32 u1, Sint32 v1, Sint32 w1, Sint32 x2, Sint32 y2, Sint32 z2, Sint32 u2, Sint32 v2, Sint32 w2, Sint32 x3, Sint32 y3, Sint32 z3, Sint32 u3, Sint32 v3, Sint32 w3, Uint32 color )
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,2)
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.z1 = z1;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.u1 = u1;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.w1 = w1;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.v1 = v1;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.x2 = x2;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.y2 = y2;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.z2 = z2;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.u2 = u2;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.v2 = v2;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.w2 = w2;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.x3 = x3;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.y3 = y3;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.z3 = z3;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.u3 = u3;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.v3 = v3;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.w3 = w3;
spScanLineCache[spScanLineEnd].primitive.perspectiveTexTriangle.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
#endif
inline void sp_intern_Rectangle_overlord( Sint32 x1, Sint32 y1, Sint32 x2, Sint32 y2, Sint32 z, Uint32 color)
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,3)
spScanLineCache[spScanLineEnd].primitive.rectangle.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.rectangle.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.rectangle.x2 = x2;
spScanLineCache[spScanLineEnd].primitive.rectangle.y2 = y2;
spScanLineCache[spScanLineEnd].primitive.rectangle.z = z;
spScanLineCache[spScanLineEnd].primitive.rectangle.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
inline void sp_intern_RectangleBorder_overlord( Sint32 x1, Sint32 y1, Sint32 x2, Sint32 y2, Sint32 z, Sint32 bx, Sint32 by, Uint32 color)
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,4)
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.x2 = x2;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.y2 = y2;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.z = z;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.bx = bx;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.by = by;
spScanLineCache[spScanLineEnd].primitive.rectangleBorder.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
inline void sp_intern_Ellipse_overlord( Sint32 x1, Sint32 y1, Sint32 rxl, Sint32 rxr, Sint32 rx, Sint32 ryl, Sint32 ryr, Sint32 ry, Sint32 z, Uint32 color)
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,5)
spScanLineCache[spScanLineEnd].primitive.ellipse.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.ellipse.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.ellipse.rxl = rxl;
spScanLineCache[spScanLineEnd].primitive.ellipse.rxr = rxr;
spScanLineCache[spScanLineEnd].primitive.ellipse.rx = rx;
spScanLineCache[spScanLineEnd].primitive.ellipse.ryl = ryl;
spScanLineCache[spScanLineEnd].primitive.ellipse.ryr = ryr;
spScanLineCache[spScanLineEnd].primitive.ellipse.ry = ry;
spScanLineCache[spScanLineEnd].primitive.ellipse.z = z;
spScanLineCache[spScanLineEnd].primitive.ellipse.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
inline void sp_intern_EllipseBorder_overlord( Sint32 x1, Sint32 y1, Sint32 rxl, Sint32 rxr, Sint32 rx, Sint32 ryl, Sint32 ryr, Sint32 ry, Sint32 z, Sint32 bx, Sint32 by, Uint32 color)
{
//Adding to stack if not full!
CIRCLE_ON_FULL_STACK
setup_stack_struct(spScanLineEnd,6)
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.x1 = x1;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.y1 = y1;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.rxl = rxl;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.rxr = rxr;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.rx = rx;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.ryl = ryl;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.ryr = ryr;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.ry = ry;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.z = z;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.bx = bx;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.by = by;
spScanLineCache[spScanLineEnd].primitive.ellipseBorder.color = color;
SDL_mutexP(spScanLineMutex);
spScanLineEnd = (spScanLineEnd+1) & SP_MAX_SCANLINES_MOD;
SDL_mutexV(spScanLineMutex);
}
PREFIX Sint32* spGetOne_over_x_pointer()
{
return spOne_over_x_look_up;
}
void spRestartDrawingThread();
void spStopDrawingThread();
void spStartDrawingThread();
PREFIX void spInitPrimitives()
{
if (spPrimitivesIsInitialized)
return;
spPrimitivesIsInitialized = 1;
#ifdef PANDORA_NEON
static const unsigned int x = 0x04086060;
static const unsigned int y = 0x03000000;
int r;
asm volatile (
"fmrx %0, fpscr \n\t" //r0 = FPSCR
"and %0, %0, %1 \n\t" //r0 = r0 & 0x04086060
"orr %0, %0, %2 \n\t" //r0 = r0 | 0x03000000
"fmxr fpscr, %0 \n\t" //FPSCR = r0
: "=r"(r)
: "r"(x), "r"(y)
);
#endif
int i;
for ( i = 1; i < ( 1 << SP_ACCURACY ); i++ )
{
spOne_over_x_look_up [i] = (SP_ONE+(i >> 1)) / i;
spOne_over_x_look_up_fixed[i] = (((Sint64)SP_ONE)<<SP_HALF_ACCURACY)/(Sint64)i;
}
spOne_over_x_look_up[0] = 0;
spOne_over_x_look_up_fixed[0] = 0;
spSetZBufferCache( spZBufferCacheCount );
//Preparing the second processor of the gp2x:
//TODO
spScanLineMutex = SDL_CreateMutex();
}
PREFIX void spQuitPrimitives()
{
int cacheline;
for ( cacheline = 0; cacheline < spZBufferCacheCount; cacheline++ )
if ( spZBufferCache[cacheline] )
{
free( spZBufferCache[cacheline] );
spZBufferCache[cacheline] = NULL;
}
if ( spZBufferCache )
free( spZBufferCache );
spZBufferCache = NULL;
if ( spTargetCache )
free( spTargetCache );
spTargetCache = NULL;
if ( spSizeCache )
free( spSizeCache );
spSizeCache = NULL;
if ( spUseParallelProcess )
spStopDrawingThread();
SDL_DestroyMutex( spScanLineMutex );
spScanLineMutex = NULL;
if ( spScanLineCache ) //TODO: Not on the gp2x!
free( spScanLineCache );
spScanLineCache = NULL;
spPrimitivesIsInitialized = 0;
}
PREFIX void spSelectRenderTarget( SDL_Surface* target )
{
if (spTarget)
SDL_UnlockSurface( spTarget );
spTarget = target;
spTargetScanLine = target->pitch/target->format->BytesPerPixel;
spTargetX = target->w;
spTargetY = target->h;
spTargetPixel = ( Uint16* )target->pixels;
spReAllocateZBuffer();
SDL_LockSurface( spTarget );
}
PREFIX SDL_Surface* spGetRenderTarget()
{
return spTarget;
}
PREFIX void spLockRenderTarget()
{
if (spTarget)
SDL_LockSurface( spTarget );
}
PREFIX Uint16* spGetTargetPixel()
{
if (spTarget)
return (Uint16*)(spTarget->pixels);
return NULL;
}
PREFIX void spUnlockRenderTarget()
{
if (spTarget)
SDL_UnlockSurface( spTarget );
}
void update_lazy_zBuffer()
{
spZBufferCacheLast = ( spZBufferCacheLast + 1 ) % spZBufferCacheCount;
if ( spZBufferCache[spZBufferCacheLast] )
free( spZBufferCache[spZBufferCacheLast] );
spZBuffer = ( Sint32* )malloc( spTargetScanLine * spTargetY * sizeof( Sint32 ) );
spZBufferCache[spZBufferCacheLast] = spZBuffer;
spTargetCache[spZBufferCacheLast] = spTarget;
spSizeCache[spZBufferCacheLast] = spTarget->w * spTarget->h;
}
PREFIX Sint32* spGetRenderTargetZBuffer()
{
if (!spZBuffer)
update_lazy_zBuffer();
return spZBuffer;
}
PREFIX void spBindTexture( SDL_Surface* texture )
{
spTexture = texture;
if ( texture == NULL )
{
spTextureScanLine = 0;
spTextureX = 0;
spTextureY = 0;
spTexturePixel = NULL;
return;
}
spTextureScanLine = texture->pitch/texture->format->BytesPerPixel;
spTextureX = texture->w;
spTextureY = texture->h;
spTexturePixel = ( Uint16* )texture->pixels;
}
PREFIX void spClearTarget( Uint32 color )
{
spWaitForDrawingThread();
//testfill with CLEAR_PER_FRAME = 64 with SDL_FillRect: 27 fps
//testfill with CLEAR_PER_FRAME = 64 assembler spHorizentalLine: 32 fps
//testfill with CLEAR_PER_FRAME = 128 with SDL_FillRect: 14 fps
//testfill with CLEAR_PER_FRAME = 128 assembler spHorizentalLine: 17 fps
#ifdef ARMCPU
spHorizentalLine(spTargetPixel,0,0,spTargetScanLine*spTargetY,color,0,0,0);
#else
spUnlockRenderTarget();
SDL_FillRect( spTarget, NULL, color );
spLockRenderTarget();
#endif
}
PREFIX int spTriangle( Sint32 x1, Sint32 y1, Sint32 z1, Sint32 x2, Sint32 y2, Sint32 z2, Sint32 x3, Sint32 y3, Sint32 z3, Uint32 color )
{
if ( spBlending == 0)
return 0;
if ( spAlphaTest && color == SP_ALPHA_COLOR )
return 0;
if ( spCulling && ( x2 - x1 ) * ( y3 - y1 ) - ( y2 - y1 ) * ( x3 - x1 ) > 0 )
return 0;
if (spZTest && z1 < 0 && z2 < 0 && z3 < 0)
return 0;
if ( y1 > y2 )
{
Sint32 temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
temp = z1;
z1 = z2;
z2 = temp;
}
if ( y1 > y3 )
{
Sint32 temp = x1;
x1 = x3;
x3 = temp;
temp = y1;
y1 = y3;
y3 = temp;
temp = z1;
z1 = z3;
z3 = temp;
}
if ( y2 < y3 )
{
Sint32 temp = x2;
x2 = x3;
x3 = temp;
temp = y2;
y2 = y3;
y3 = temp;
temp = z2;
z2 = z3;
z3 = temp;
}
int result = spGetPixelPosition( x1, y1 ) | spGetPixelPosition( x2, y2 ) | spGetPixelPosition( x3, y3 );
if ( !result )
return 0;
if (spUseParallelProcess)
sp_intern_Triangle_overlord( x1, y1, z1, x2, y2, z2, x3, y3, z3, color );
else
{
#ifndef NO_BLENDING
if ( spBlending == SP_ONE )
{
#endif
#ifndef NO_PATTERN
if ( spUsePattern )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_ztest_zset_pattern( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_zset_pattern ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_ztest_pattern ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_pattern ( x1, y1, x2, y2, x3, y3, color, spPattern, spBlending );
}
}
else
#endif
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_ztest_zset( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_zset ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_ztest ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle ( x1, y1, x2, y2, x3, y3, color, spPattern, spBlending );
}
}
#ifndef NO_BLENDING
}
else
{
#ifndef NO_PATTERN
if ( spUsePattern )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_ztest_zset_pattern( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_blending_zset_pattern ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_ztest_pattern ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_blending_pattern ( x1, y1, x2, y2, x3, y3, color, spPattern, spBlending );
}
}
else
#endif
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_ztest_zset( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_blending_zset ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_ztest ( x1, y1, z1, x2, y2, z2, x3, y3, z3, color, spPattern, spBlending );
else
sp_intern_Triangle_blending ( x1, y1, x2, y2, x3, y3, color, spPattern, spBlending );
}
}
}
#endif
}
return result;
}
PREFIX int spTriangle_tex( Sint32 x1, Sint32 y1, Sint32 z1, Sint32 u1, Sint32 v1, Sint32 x2, Sint32 y2, Sint32 z2, Sint32 u2, Sint32 v2, Sint32 x3, Sint32 y3, Sint32 z3, Sint32 u3, Sint32 v3, Uint32 color )
{
if ( spBlending == 0)
return 0;
if ( spAlphaTest && color == SP_ALPHA_COLOR )
return 0;
if ( spCulling && ( x2 - x1 ) * ( y3 - y1 ) - ( y2 - y1 ) * ( x3 - x1 ) > 0 )
return 0;
if (spZTest && z1 < 0 && z2 < 0 && z3 < 0)
return 0;
if ( y1 > y2 )
{
Sint32 temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
temp = z1;
z1 = z2;
z2 = temp;
temp = u1;
u1 = u2;
u2 = temp;
temp = v1;
v1 = v2;
v2 = temp;
}
if ( y1 > y3 )
{
Sint32 temp = x1;
x1 = x3;
x3 = temp;
temp = y1;
y1 = y3;
y3 = temp;
temp = z1;
z1 = z3;
z3 = temp;
temp = u1;
u1 = u3;
u3 = temp;
temp = v1;
v1 = v3;
v3 = temp;
}
if ( y2 < y3 )
{
Sint32 temp = x2;
x2 = x3;
x3 = temp;
temp = y2;
y2 = y3;
y3 = temp;
temp = z2;
z2 = z3;
z3 = temp;
temp = u2;
u2 = u3;
u3 = temp;
temp = v2;
v2 = v3;
v3 = temp;
}
int result = spGetPixelPosition( x1, y1 ) | spGetPixelPosition( x2, y2 ) | spGetPixelPosition( x3, y3 );
if ( !result )
return 0;
if (spUseParallelProcess)
sp_intern_Triangle_tex_overlord( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color );
else
#ifndef NO_BLENDING
if ( spBlending == SP_ONE )
{
#endif
#ifndef NO_PATTERN
if ( spUsePattern )
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_alpha_pattern( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_alpha_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_alpha_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_alpha_pattern ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_pattern( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_pattern ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
else
#endif
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_alpha( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_alpha ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_alpha ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_alpha ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
#ifndef NO_BLENDING
}
else
{
#ifndef NO_PATTERN
if ( spUsePattern )
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_zset_alpha_pattern( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_zset_alpha_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_alpha_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_alpha_pattern ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_zset_pattern( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_zset_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_pattern ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_pattern ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
else
#endif
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_zset_alpha( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_zset_alpha ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_alpha ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_alpha ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_zset( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_zset ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest ( x1, y1, z1, u1, v1, x2, y2, z2, u2, v2, x3, y3, z3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex ( x1, y1, u1, v1, x2, y2, u2, v2, x3, y3, u3, v3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
}
#endif
return result;
}
PREFIX int spPerspectiveTriangle_tex( Sint32 x1, Sint32 y1, Sint32 z1, Sint32 u1, Sint32 v1, Sint32 w1, Sint32 x2, Sint32 y2, Sint32 z2, Sint32 u2, Sint32 v2, Sint32 w2, Sint32 x3, Sint32 y3, Sint32 z3, Sint32 u3, Sint32 v3, Sint32 w3, Uint32 color )
{
#ifdef NO_PERSPECTIVE
return spTriangle_tex(x1,y1,z1,u1,v1,x2,y2,z2,u2,v2,x3,y3,z3,u3,v3,color);
#else
if ( spBlending == 0)
return 0;
if ( spAlphaTest && color == SP_ALPHA_COLOR )
return 0;
if ( spCulling && ( x2 - x1 ) * ( y3 - y1 ) - ( y2 - y1 ) * ( x3 - x1 ) > 0 )
return 0;
if ( y1 > y2 )
{
Sint32 temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
temp = z1;
z1 = z2;
z2 = temp;
temp = u1;
u1 = u2;
u2 = temp;
temp = v1;
v1 = v2;
v2 = temp;
temp = w1;
w1 = w2;
w2 = temp;
}
if ( y1 > y3 )
{
Sint32 temp = x1;
x1 = x3;
x3 = temp;
temp = y1;
y1 = y3;
y3 = temp;
temp = z1;
z1 = z3;
z3 = temp;
temp = u1;
u1 = u3;
u3 = temp;
temp = v1;
v1 = v3;
v3 = temp;
temp = w1;
w1 = w3;
w3 = temp;
}
if ( y2 < y3 )
{
Sint32 temp = x2;
x2 = x3;
x3 = temp;
temp = y2;
y2 = y3;
y3 = temp;
temp = z2;
z2 = z3;
z3 = temp;
temp = u2;
u2 = u3;
u3 = temp;
temp = v2;
v2 = v3;
v3 = temp;
temp = w2;
w2 = w3;
w3 = temp;
}
//w clip of u and v:
u1 = spDivHigh(u1 << SP_ACCURACY,w1);
u2 = spDivHigh(u2 << SP_ACCURACY,w2);
u3 = spDivHigh(u3 << SP_ACCURACY,w3);
v1 = spDivHigh(v1 << SP_ACCURACY,w1);
v2 = spDivHigh(v2 << SP_ACCURACY,w2);
v3 = spDivHigh(v3 << SP_ACCURACY,w3);
//reciprocal:
w1 = spDivHigh(SP_ONE,w1);
w2 = spDivHigh(SP_ONE,w2);
w3 = spDivHigh(SP_ONE,w3);
int result = spGetPixelPosition( x1, y1 ) | spGetPixelPosition( x2, y2 ) | spGetPixelPosition( x3, y3 );
if ( !result )
return 0;
if (spUseParallelProcess)
sp_intern_Triangle_tex_overlord_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color );
else
#ifndef NO_BLENDING
if ( spBlending == SP_ONE )
{
#endif
#ifndef NO_PATTERN
if ( spUsePattern )
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_alpha_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_alpha_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_alpha_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_alpha_pattern_perspect( x1, y1, u1, v1, w1, x2, y2, u2, v2, w2, x3, y3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_pattern_perspect( x1, y1, u1, v1, w1, x2, y2, u2, v2, w2, x3, y3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
else
#endif
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_alpha_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_alpha_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_alpha_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_alpha_perspect( x1, y1, u1, v1, w1, x2, y2, u2, v2, w2, x3, y3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_zset_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_zset_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_tex_ztest_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_tex_perspect( x1, y1, u1, v1, w1, x2, y2, u2, v2, w2, x3, y3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
#ifndef NO_BLENDING
}
else
{
#ifndef NO_PATTERN
if ( spUsePattern )
{
if ( spAlphaTest )
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_zset_alpha_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_zset_alpha_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_alpha_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_alpha_pattern_perspect( x1, y1, u1, v1, w1, x2, y2, u2, v2, w2, x3, y3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
else
{
if ( spZSet )
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_zset_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_zset_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
else
{
if ( spZTest )
sp_intern_Triangle_blending_tex_ztest_pattern_perspect( x1, y1, z1, u1, v1, w1, x2, y2, z2, u2, v2, w2, x3, y3, z3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
else
sp_intern_Triangle_blending_tex_pattern_perspect( x1, y1, u1, v1, w1, x2, y2, u2, v2, w2, x3, y3, u3, v3, w3, color, spTexturePixel, spTextureScanLine, spTextureX, spTextureY, spPattern, spBlending );
}
}
}
else
#endif
{
if ( spAlphaTest )
{
if ( spZSet )