ppsspp/GPU/GPUState.cpp

95 lines
2.3 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// 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, version 2.0 or later versions.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "GPU/ge_constants.h"
#include "GPU/GPUState.h"
#include "GPU/GLES/ShaderManager.h"
#include "GPU/GLES/GLES_GPU.h"
#include "GPU/Null/NullGpu.h"
#include "GPU/Software/SoftGpu.h"
#include "Core/CoreParameter.h"
#include "Core/System.h"
GPUgstate gstate;
GPUStateCache gstate_c;
GPUInterface *gpu;
GPUStatistics gpuStats;
void GPU_Init() {
switch (PSP_CoreParameter().gpuCore) {
case GPU_NULL:
gpu = new NullGPU();
break;
case GPU_GLES:
gpu = new GLES_GPU();
break;
#ifndef __SYMBIAN32__
case GPU_SOFTWARE:
gpu = new SoftGPU();
break;
#endif
}
}
void GPU_Shutdown() {
delete gpu;
gpu = 0;
}
void InitGfxState()
{
memset(&gstate, 0, sizeof(gstate));
memset(&gstate_c, 0, sizeof(gstate_c));
for (int i = 0; i < 256; i++) {
gstate.cmdmem[i] = i << 24;
}
gstate.lightingEnable = 0x17000001;
static const float identity4x3[12] =
{1,0,0,
0,1,0,
0,0,1,
0,0,0,};
static const float identity4x4[16] =
{1,0,0,0,
0,1,0,0,
0,0,1,0,
0,0,0,1};
memcpy(gstate.worldMatrix, identity4x3, 12 * sizeof(float));
memcpy(gstate.viewMatrix, identity4x3, 12 * sizeof(float));
memcpy(gstate.projMatrix, identity4x4, 16 * sizeof(float));
memcpy(gstate.tgenMatrix, identity4x3, 12 * sizeof(float));
for (int i = 0; i < 8; i++) {
memcpy(gstate.boneMatrix + i * 12, identity4x3, 12 * sizeof(float));
}
}
void ShutdownGfxState()
{
}
// When you have changed state outside the psp gfx core,
// or saved the context and has reloaded it, call this function.
void ReapplyGfxState()
{
if (!gpu)
return;
gpu->ReapplyGfxState();
}