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shaderc: Allow different HLSL compilers.

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This commit is contained in:
Branimir Karadžić 2016-02-01 15:53:11 -08:00
parent d050ee9641
commit 1ae89c70ef
1 changed files with 59 additions and 24 deletions
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83
tools/shaderc/shaderc_hlsl.cpp
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@ -23,8 +23,6 @@
namespace bgfx
{
static const GUID IID_ID3D11ShaderReflection = { 0x6e6ffa6a, 0x9bae, 0x4613, { 0xa5, 0x1e, 0x91, 0x65, 0x2d, 0x50, 0x8c, 0x21 } };
typedef HRESULT(WINAPI* PFN_D3D_COMPILE)(_In_reads_bytes_(SrcDataSize) LPCVOID pSrcData
, _In_ SIZE_T SrcDataSize
, _In_opt_ LPCSTR pSourceName
@ -62,6 +60,62 @@ namespace bgfx
PFN_D3D_REFLECT D3DReflect;
PFN_D3D_STRIP_SHADER D3DStripShader;
struct D3DCompiler
{
const char* fileName;
const GUID IID_ID3D11ShaderReflection;
};
static const D3DCompiler s_d3dcompiler[] =
{ // BK - the only different in interface is GetRequiresFlags at the end
// of IID_ID3D11ShaderReflection47 (which is not used anyway).
{ "D3DCompiler_47.dll", { 0x8d536ca1, 0x0cca, 0x4956, { 0xa8, 0x37, 0x78, 0x69, 0x63, 0x75, 0x55, 0x84 } } },
{ "D3DCompiler_46.dll", { 0x0a233719, 0x3960, 0x4578, { 0x9d, 0x7c, 0x20, 0x3b, 0x8b, 0x1d, 0x9c, 0xc1 } } },
{ "D3DCompiler_45.dll", { 0x0a233719, 0x3960, 0x4578, { 0x9d, 0x7c, 0x20, 0x3b, 0x8b, 0x1d, 0x9c, 0xc1 } } },
{ "D3DCompiler_44.dll", { 0x0a233719, 0x3960, 0x4578, { 0x9d, 0x7c, 0x20, 0x3b, 0x8b, 0x1d, 0x9c, 0xc1 } } },
{ "D3DCompiler_43.dll", { 0x0a233719, 0x3960, 0x4578, { 0x9d, 0x7c, 0x20, 0x3b, 0x8b, 0x1d, 0x9c, 0xc1 } } },
};
static const D3DCompiler* s_compiler;
static void* s_d3dcompilerdll;
const D3DCompiler* load()
{
for (uint32_t ii = 0; ii < BX_COUNTOF(s_d3dcompiler); ++ii)
{
const D3DCompiler* compiler = &s_d3dcompiler[ii];
s_d3dcompilerdll = bx::dlopen(compiler->fileName);
if (NULL == s_d3dcompilerdll)
{
continue;
}
D3DCompile = (PFN_D3D_COMPILE )bx::dlsym(s_d3dcompilerdll, "D3DCompile");
D3DDisassemble = (PFN_D3D_DISASSEMBLE )bx::dlsym(s_d3dcompilerdll, "D3DDisassemble");
D3DReflect = (PFN_D3D_REFLECT )bx::dlsym(s_d3dcompilerdll, "D3DReflect");
D3DStripShader = (PFN_D3D_STRIP_SHADER)bx::dlsym(s_d3dcompilerdll, "D3DStripShader");
if (NULL == D3DCompile
|| NULL == D3DDisassemble
|| NULL == D3DReflect
|| NULL == D3DStripShader)
{
bx::dlclose(s_d3dcompilerdll);
continue;
}
return compiler;
}
fprintf(stderr, "Error: Unable to open D3DCompiler_47.dll shader compiler.\n");
return NULL;
}
void unload()
{
bx::dlclose(s_d3dcompilerdll);
}
struct CTHeader
{
uint32_t Size;
@ -321,7 +375,7 @@ namespace bgfx
ID3D11ShaderReflection* reflect = NULL;
HRESULT hr = D3DReflect(_code->GetBufferPointer()
, _code->GetBufferSize()
, IID_ID3D11ShaderReflection
, s_compiler->IID_ID3D11ShaderReflection
, (void**)&reflect
);
if (FAILED(hr) )
@ -490,26 +544,7 @@ namespace bgfx
return false;
}
void* d3dcompilerdll = bx::dlopen("D3DCompiler_47.dll");
if (NULL == d3dcompilerdll)
{
fprintf(stderr, "Error: Unable to open D3DCompiler_47.dll shader compiler.\n");
return false;
}
D3DCompile = (PFN_D3D_COMPILE )bx::dlsym(d3dcompilerdll, "D3DCompile");
D3DDisassemble = (PFN_D3D_DISASSEMBLE )bx::dlsym(d3dcompilerdll, "D3DDisassemble");
D3DReflect = (PFN_D3D_REFLECT )bx::dlsym(d3dcompilerdll, "D3DReflect");
D3DStripShader = (PFN_D3D_STRIP_SHADER)bx::dlsym(d3dcompilerdll, "D3DStripShader");
if (NULL == D3DCompile
|| NULL == D3DDisassemble
|| NULL == D3DReflect
|| NULL == D3DStripShader)
{
bx::dlclose(d3dcompilerdll);
return false;
}
s_compiler = load();
bool result = false;
bool debug = _cmdLine.hasArg('\0', "debug");
@ -743,7 +778,7 @@ namespace bgfx
error:
code->Release();
bx::dlclose(d3dcompilerdll);
unload();
return result;
}