146 lines
4.0 KiB
C++
146 lines
4.0 KiB
C++
// Copyright (C) 2003 Dolphin 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.
|
|
|
|
// 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 SVN repository and contact information can be found at
|
|
// http://code.google.com/p/dolphin-emu/
|
|
|
|
#include <d3dx9.h>
|
|
#include <string>
|
|
|
|
#include "VideoConfig.h"
|
|
#include "D3DShader.h"
|
|
|
|
namespace D3D
|
|
{
|
|
|
|
// Bytecode->shader.
|
|
LPDIRECT3DVERTEXSHADER9 CreateVertexShaderFromByteCode(const u8 *bytecode, int len)
|
|
{
|
|
LPDIRECT3DVERTEXSHADER9 v_shader;
|
|
HRESULT hr = D3D::dev->CreateVertexShader((DWORD *)bytecode, &v_shader);
|
|
if (FAILED(hr))
|
|
v_shader = 0;
|
|
return v_shader;
|
|
}
|
|
|
|
// Code->bytecode.
|
|
bool CompileVertexShader(const char *code, int len, u8 **bytecode, int *bytecodelen)
|
|
{
|
|
//try to compile
|
|
LPD3DXBUFFER shaderBuffer = 0;
|
|
LPD3DXBUFFER errorBuffer = 0;
|
|
HRESULT hr = D3DXCompileShader(code, len, 0, 0, "main", D3D::VertexShaderVersionString(),
|
|
0, &shaderBuffer, &errorBuffer, 0);
|
|
if (FAILED(hr))
|
|
{
|
|
//compilation error
|
|
if (g_ActiveConfig.bShowShaderErrors) {
|
|
std::string hello = (char*)errorBuffer->GetBufferPointer();
|
|
hello += "\n\n";
|
|
hello += code;
|
|
MessageBoxA(0, hello.c_str(), "Error compiling vertex shader", MB_ICONERROR);
|
|
}
|
|
*bytecode = 0;
|
|
*bytecodelen = 0;
|
|
}
|
|
else if (SUCCEEDED(hr))
|
|
{
|
|
*bytecodelen = shaderBuffer->GetBufferSize();
|
|
*bytecode = new u8[*bytecodelen];
|
|
memcpy(*bytecode, shaderBuffer->GetBufferPointer(), *bytecodelen);
|
|
}
|
|
|
|
//cleanup
|
|
if (shaderBuffer)
|
|
shaderBuffer->Release();
|
|
if (errorBuffer)
|
|
errorBuffer->Release();
|
|
return SUCCEEDED(hr) ? true : false;
|
|
}
|
|
|
|
|
|
// Bytecode->shader.
|
|
LPDIRECT3DPIXELSHADER9 CreatePixelShaderFromByteCode(const u8 *bytecode, int len)
|
|
{
|
|
LPDIRECT3DPIXELSHADER9 p_shader;
|
|
HRESULT hr = D3D::dev->CreatePixelShader((DWORD *)bytecode, &p_shader);
|
|
if (FAILED(hr))
|
|
p_shader = 0;
|
|
return p_shader;
|
|
}
|
|
|
|
|
|
bool CompilePixelShader(const char *code, int len, u8 **bytecode, int *bytecodelen)
|
|
{
|
|
LPD3DXBUFFER shaderBuffer = 0;
|
|
LPD3DXBUFFER errorBuffer = 0;
|
|
|
|
// Someone:
|
|
// For some reason, I had this kind of errors : "Shader uses texture addressing operations
|
|
// in a dependency chain that is too complex for the target shader model (ps_2_0) to handle."
|
|
HRESULT hr = D3DXCompileShader(code, len, 0, 0, "main", D3D::PixelShaderVersionString(),
|
|
0, &shaderBuffer, &errorBuffer, 0);
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
if (g_ActiveConfig.bShowShaderErrors) {
|
|
std::string hello = (char*)errorBuffer->GetBufferPointer();
|
|
hello += "\n\n";
|
|
hello += code;
|
|
MessageBoxA(0, hello.c_str(), "Error compiling pixel shader", MB_ICONERROR);
|
|
}
|
|
*bytecode = 0;
|
|
*bytecodelen = 0;
|
|
}
|
|
else if (SUCCEEDED(hr))
|
|
{
|
|
*bytecodelen = shaderBuffer->GetBufferSize();
|
|
*bytecode = new u8[*bytecodelen];
|
|
memcpy(*bytecode, shaderBuffer->GetBufferPointer(), *bytecodelen);
|
|
}
|
|
|
|
//cleanup
|
|
if (shaderBuffer)
|
|
shaderBuffer->Release();
|
|
if (errorBuffer)
|
|
errorBuffer->Release();
|
|
return SUCCEEDED(hr) ? true : false;
|
|
}
|
|
|
|
LPDIRECT3DVERTEXSHADER9 CompileAndCreateVertexShader(const char *code, int len) {
|
|
u8 *bytecode;
|
|
int bytecodelen;
|
|
if (CompileVertexShader(code, len, &bytecode, &bytecodelen)) {
|
|
LPDIRECT3DVERTEXSHADER9 v_shader = CreateVertexShaderFromByteCode(bytecode, len);
|
|
delete [] bytecode;
|
|
return v_shader;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
LPDIRECT3DPIXELSHADER9 CompileAndCreatePixelShader(const char *code, int len) {
|
|
u8 *bytecode;
|
|
int bytecodelen;
|
|
if (CompilePixelShader(code, len, &bytecode, &bytecodelen)) {
|
|
LPDIRECT3DPIXELSHADER9 p_shader = CreatePixelShaderFromByteCode(bytecode, len);
|
|
delete [] bytecode;
|
|
return p_shader;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
} // namespace
|