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/***************************************************************************
* Copyright (C) 2010 PCSX4ALL Team *
* Copyright (C) 2010 Unai *
* Copyright (C) 2011 notaz *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gpu.h"
#define u8 uint8_t
#define s8 int8_t
#define u16 uint16_t
#define s16 int16_t
#define u32 uint32_t
#define s32 int32_t
#define s64 int64_t
#define INLINE static
#define FRAME_BUFFER_SIZE (1024*512*2)
#define FRAME_WIDTH 1024
#define FRAME_HEIGHT 512
#define FRAME_OFFSET(x,y) (((y)<<10)+(x))
#define isSkip 0 /* skip frame (info coming from GPU) */
#define alt_fps 0
static int linesInterlace; /* internal lines interlace */
static int force_interlace;
static bool light = true; /* lighting */
static bool blend = true; /* blending */
static bool FrameToRead = false; /* load image in progress */
static bool FrameToWrite = false; /* store image in progress */
static bool enableAbbeyHack = false; /* Abe's Odyssey hack */
static u8 BLEND_MODE;
static u8 TEXT_MODE;
static u8 Masking;
static u16 PixelMSB;
static u16 PixelData;
///////////////////////////////////////////////////////////////////////////////
// GPU Global data
///////////////////////////////////////////////////////////////////////////////
// Dma Transfers info
static s32 px,py;
static s32 x_end,y_end;
static u16* pvram;
static s32 PacketCount;
static s32 PacketIndex;
// Rasterizer status
static u32 TextureWindow [4];
static u32 DrawingArea [4];
static u32 DrawingOffset [2];
static u16* TBA;
static u16* CBA;
// Inner Loops
static s32 u4, du4;
static s32 v4, dv4;
static s32 r4, dr4;
static s32 g4, dg4;
static s32 b4, db4;
static u32 lInc;
static u32 tInc, tMsk;
union GPUPacket
{
u32 U4[16];
s32 S4[16];
u16 U2[32];
s16 S2[32];
u8 U1[64];
s8 S1[64];
};
static GPUPacket PacketBuffer;
static u16 *GPU_FrameBuffer;
static u32 GPU_GP1;
///////////////////////////////////////////////////////////////////////////////
#include "../gpu_unai/gpu_fixedpoint.h"
// Inner loop driver instanciation file
#include "../gpu_unai/gpu_inner.h"
// GPU Raster Macros
#define GPU_RGB16(rgb) ((((rgb)&0xF80000)>>9)|(((rgb)&0xF800)>>6)|(((rgb)&0xF8)>>3))
#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<20)>>20)
//#define GPU_EXPANDSIGN_POLY(x) (((s32)(x)<<21)>>21)
#define GPU_EXPANDSIGN_SPRT(x) (((s32)(x)<<21)>>21)
//#define GPU_TESTRANGE(x) { if((u32)(x+1024) > 2047) return; }
#define GPU_TESTRANGE(x) { if ((x<-1023) || (x>1023)) return; }
#define GPU_SWAP(a,b,t) {(t)=(a);(a)=(b);(b)=(t);}
// GPU internal image drawing functions
#include "../gpu_unai/gpu_raster_image.h"
// GPU internal line drawing functions
#include "../gpu_unai/gpu_raster_line.h"
// GPU internal polygon drawing functions
#include "../gpu_unai/gpu_raster_polygon.h"
// GPU internal sprite drawing functions
#include "../gpu_unai/gpu_raster_sprite.h"
// GPU command buffer execution/store
#include "../gpu_unai/gpu_command.h"
#define unai_do_prim(cmd, list, len) \
memcpy(PacketBuffer.U4, list, (len) * 4); \
gpuSendPacketFunction(cmd)
/////////////////////////////////////////////////////////////////////////////
int renderer_init(void)
{
GPU_FrameBuffer = (u16 *)gpu.vram;
// s_invTable
for(int i=1;i<=(1<<TABLE_BITS);++i)
{
double v = 1.0 / double(i);
#ifdef GPU_TABLE_10_BITS
v *= double(0xffffffff>>1);
#else
v *= double(0x80000000);
#endif
s_invTable[i-1]=s32(v);
}
return 0;
}
extern const unsigned char cmd_lengths[256];
void do_cmd_list(unsigned int *list, int list_len)
{
unsigned int cmd, len;
unsigned int *list_end = list + list_len;
linesInterlace = force_interlace;
#ifndef __ARM_ARCH_7A__ /* XXX */
linesInterlace |= gpu.status.interlace;
#endif
for (; list < list_end; list += 1 + len)
{
cmd = *list >> 24;
len = cmd_lengths[cmd];
switch(cmd)
{
case 0x48 ... 0x4F:
{
u32 num_vertexes = 1;
u32 *list_position = &(list[2]);
u32 PRIM = cmd;
memcpy(&PacketBuffer.U4[0], list, 4 * 3);
gpuDrawLF(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]);
while(1)
{
if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end)
break;
PacketBuffer.U4[1] = PacketBuffer.U4[2];
PacketBuffer.U4[2] = *list_position++;
gpuDrawLF(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]);
num_vertexes++;
}
if(num_vertexes > 2)
len += (num_vertexes - 2);
break;
}
case 0x58 ... 0x5F:
{
u32 num_vertexes = 1;
u32 *list_position = &(list[2]);
u32 PRIM = cmd;
memcpy(&PacketBuffer.U4[0], list, 4 * 4);
gpuDrawLG(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]);
while(1)
{
if((*list_position & 0xf000f000) == 0x50005000 || list_position >= list_end)
break;
PacketBuffer.U4[0] = PacketBuffer.U4[2];
PacketBuffer.U4[1] = PacketBuffer.U4[3];
PacketBuffer.U4[2] = *list_position++;
PacketBuffer.U4[3] = *list_position++;
gpuDrawLG(gpuPixelDrivers [ (Blending_Mode | Masking | Blending | (PixelMSB>>3)) >> 1]);
num_vertexes++;
}
if(num_vertexes > 2)
len += (num_vertexes - 2) * 2;
break;
}
#ifdef TEST
case 0xA0: // sys -> vid
{
u32 load_width = list[2] & 0xffff;
u32 load_height = list[2] >> 16;
u32 load_size = load_width * load_height;
len += load_size / 2;
break;
}
#endif
default:
unai_do_prim(cmd, list, len + 1);
break;
}
}
}
void renderer_sync_ecmds(uint32_t *ecmds)
{
unai_do_prim(0xe1, &ecmds[1], 1);
unai_do_prim(0xe2, &ecmds[2], 1);
unai_do_prim(0xe3, &ecmds[3], 1);
unai_do_prim(0xe4, &ecmds[4], 1);
unai_do_prim(0xe5, &ecmds[5], 1);
unai_do_prim(0xe6, &ecmds[6], 1);
}
void renderer_update_caches(int x, int y, int w, int h)
{
}
void renderer_flush_queues(void)
{
}
void renderer_set_interlace(int enable, int is_odd)
{
}
#ifndef TEST
#include "../../frontend/plugin_lib.h"
void renderer_set_config(const struct rearmed_cbs *cbs)
{
force_interlace = cbs->gpu_unai.lineskip;
enableAbbeyHack = cbs->gpu_unai.abe_hack;
light = !cbs->gpu_unai.no_light;
blend = !cbs->gpu_unai.no_blend;
}
#endif
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