aboutsummaryrefslogtreecommitdiff
path: root/plugins/gpu_unai/gpulib_if.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/gpu_unai/gpulib_if.cpp')
-rw-r--r--plugins/gpu_unai/gpulib_if.cpp291
1 files changed, 291 insertions, 0 deletions
diff --git a/plugins/gpu_unai/gpulib_if.cpp b/plugins/gpu_unai/gpulib_if.cpp
new file mode 100644
index 0000000..22fe31e
--- /dev/null
+++ b/plugins/gpu_unai/gpulib_if.cpp
@@ -0,0 +1,291 @@
+/***************************************************************************
+* 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 "../gpulib/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
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 11:49:55 +0000