bgfx/3rdparty/glsl-optimizer/tests/glsl_optimizer_tests.cpp
2014-02-10 23:06:13 -08:00

549 lines
14 KiB
C++

#include <string>
#include <vector>
#include <time.h>
#include "../src/glsl/glsl_optimizer.h"
#define GL_GLEXT_PROTOTYPES 1
#if __linux__
#define GOT_GFX 0
#else
#define GOT_GFX 1
#endif
#if GOT_GFX
// ---- Windows GL bits
#ifdef _MSC_VER
#define GOT_MORE_THAN_GLSL_120 1
#include <windows.h>
#include <gl/GL.h>
extern "C" {
typedef char GLcharARB; /* native character */
typedef unsigned int GLhandleARB; /* shader object handle */
#define GL_VERTEX_SHADER_ARB 0x8B31
#define GL_FRAGMENT_SHADER_ARB 0x8B30
#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
typedef void (WINAPI * PFNGLDELETEOBJECTARBPROC) (GLhandleARB obj);
typedef GLhandleARB (WINAPI * PFNGLCREATESHADEROBJECTARBPROC) (GLenum shaderType);
typedef void (WINAPI * PFNGLSHADERSOURCEARBPROC) (GLhandleARB shaderObj, GLsizei count, const GLcharARB* *string, const GLint *length);
typedef void (WINAPI * PFNGLCOMPILESHADERARBPROC) (GLhandleARB shaderObj);
typedef void (WINAPI * PFNGLGETINFOLOGARBPROC) (GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
typedef void (WINAPI * PFNGLGETOBJECTPARAMETERIVARBPROC) (GLhandleARB obj, GLenum pname, GLint *params);
static PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
static PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
static PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
static PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
static PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
static PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
}
#endif // #ifdef _MSC_VER
// ---- Apple GL bits
#ifdef __APPLE__
#define GOT_MORE_THAN_GLSL_120 0
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/CGLTypes.h>
#include <dirent.h>
static CGLContextObj s_GLContext;
static CGLContextObj s_GLContext3;
static bool s_GL3Active = false;
#endif // ifdef __APPLE__
#else // #if GOT_GFX
#define GOT_MORE_THAN_GLSL_120 0
#include <cstdio>
#include <cstring>
#include "dirent.h"
#include "GL/gl.h"
#include "GL/glext.h"
#endif // ! #if GOT_GFX
#ifndef _MSC_VER
#include <unistd.h>
#endif
static bool InitializeOpenGL ()
{
bool hasGLSL = false;
#if GOT_GFX
#ifdef _MSC_VER
// setup minimal required GL
HWND wnd = CreateWindowA(
"STATIC",
"GL",
WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
0, 0, 16, 16,
NULL, NULL,
GetModuleHandle(NULL), NULL );
HDC dc = GetDC( wnd );
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR), 1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL,
PFD_TYPE_RGBA, 32,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0,
16, 0,
0, PFD_MAIN_PLANE, 0, 0, 0, 0
};
int fmt = ChoosePixelFormat( dc, &pfd );
SetPixelFormat( dc, fmt, &pfd );
HGLRC rc = wglCreateContext( dc );
wglMakeCurrent( dc, rc );
#elif defined(__APPLE__)
CGLPixelFormatAttribute attributes[] = {
kCGLPFAAccelerated, // no software rendering
(CGLPixelFormatAttribute) 0
};
CGLPixelFormatAttribute attributes3[] = {
kCGLPFAAccelerated, // no software rendering
kCGLPFAOpenGLProfile, // core profile with the version stated below
(CGLPixelFormatAttribute) kCGLOGLPVersion_3_2_Core,
(CGLPixelFormatAttribute) 0
};
GLint num;
CGLPixelFormatObj pix;
// create legacy context
CGLChoosePixelFormat(attributes, &pix, &num);
if (pix == NULL)
return false;
CGLCreateContext(pix, NULL, &s_GLContext);
if (s_GLContext == NULL)
return false;
CGLDestroyPixelFormat(pix);
CGLSetCurrentContext(s_GLContext);
// create core 3.2 context
CGLChoosePixelFormat(attributes3, &pix, &num);
if (pix == NULL)
return false;
CGLCreateContext(pix, NULL, &s_GLContext3);
if (s_GLContext3 == NULL)
return false;
CGLDestroyPixelFormat(pix);
#endif
// check if we have GLSL
const char* extensions = (const char*)glGetString(GL_EXTENSIONS);
hasGLSL = extensions != NULL && strstr(extensions, "GL_ARB_shader_objects") && strstr(extensions, "GL_ARB_vertex_shader") && strstr(extensions, "GL_ARB_fragment_shader");
#if defined(__APPLE__)
// using core profile; always has GLSL
hasGLSL = true;
#endif
#ifdef _MSC_VER
if (hasGLSL)
{
glDeleteObjectARB = (PFNGLDELETEOBJECTARBPROC)wglGetProcAddress("glDeleteObjectARB");
glCreateShaderObjectARB = (PFNGLCREATESHADEROBJECTARBPROC)wglGetProcAddress("glCreateShaderObjectARB");
glShaderSourceARB = (PFNGLSHADERSOURCEARBPROC)wglGetProcAddress("glShaderSourceARB");
glCompileShaderARB = (PFNGLCOMPILESHADERARBPROC)wglGetProcAddress("glCompileShaderARB");
glGetInfoLogARB = (PFNGLGETINFOLOGARBPROC)wglGetProcAddress("glGetInfoLogARB");
glGetObjectParameterivARB = (PFNGLGETOBJECTPARAMETERIVARBPROC)wglGetProcAddress("glGetObjectParameterivARB");
}
#endif
#endif
return hasGLSL;
}
static void CleanupGL()
{
#if GOT_GFX
#ifdef __APPLE__
CGLSetCurrentContext(NULL);
if (s_GLContext)
CGLDestroyContext(s_GLContext);
if (s_GLContext3)
CGLDestroyContext(s_GLContext3);
#endif // #ifdef __APPLE__
#endif // #if GOT_GFX
}
static void replace_string (std::string& target, const std::string& search, const std::string& replace, size_t startPos)
{
if (search.empty())
return;
std::string::size_type p = startPos;
while ((p = target.find (search, p)) != std::string::npos)
{
target.replace (p, search.size (), replace);
p += replace.size ();
}
}
static bool CheckGLSL (bool vertex, bool gles, const std::string& testName, const char* prefix, const std::string& source)
{
#if !GOT_GFX
return true; // just assume it's ok
#endif
#if !GOT_MORE_THAN_GLSL_120
if (source.find("#version 140") != std::string::npos)
return true;
#endif
# ifdef __APPLE__
// Mac core context does not accept any older shader versions, so need to switch to
// either legacy context or core one.
const bool need3 =
(source.find("#version 150") != std::string::npos) ||
(source.find("#version 300") != std::string::npos);
if (need3)
{
if (!s_GL3Active)
CGLSetCurrentContext(s_GLContext3);
s_GL3Active = true;
}
else
{
if (s_GL3Active)
CGLSetCurrentContext(s_GLContext);
s_GL3Active = false;
}
# endif // ifdef __APPLE__
std::string src;
if (gles)
{
src += "#define lowp\n";
src += "#define mediump\n";
src += "#define highp\n";
src += "#define texture2DLodEXT texture2DLod\n";
src += "#define texture2DProjLodEXT texture2DProjLod\n";
src += "#define texture2DGradEXT texture2DGradARB\n";
src += "#define textureCubeGradEXT textureCubeGradARB\n";
src += "#define gl_FragDepthEXT gl_FragDepth\n";
src += "float shadow2DEXT (sampler2DShadow s, vec3 p) { return shadow2D(s,p).r; }\n";
src += "float shadow2DProjEXT (sampler2DShadow s, vec4 p) { return shadow2DProj(s,p).r; }\n";
}
src += source;
if (gles)
{
replace_string (src, "GL_EXT_shader_texture_lod", "GL_ARB_shader_texture_lod", 0);
replace_string (src, "#extension GL_OES_standard_derivatives : require", "", 0);
replace_string (src, "#extension GL_EXT_shadow_samplers : require", "", 0);
replace_string (src, "#extension GL_EXT_frag_depth : require", "", 0);
replace_string (src, "#extension GL_OES_standard_derivatives : enable", "", 0);
replace_string (src, "#extension GL_EXT_shadow_samplers : enable", "", 0);
replace_string (src, "#extension GL_EXT_frag_depth : enable", "", 0);
replace_string (src, "precision ", "// precision ", 0);
replace_string (src, "#version 300 es", "#version 330", 0);
}
const char* sourcePtr = src.c_str();
GLhandleARB shader = glCreateShaderObjectARB (vertex ? GL_VERTEX_SHADER_ARB : GL_FRAGMENT_SHADER_ARB);
glShaderSourceARB (shader, 1, &sourcePtr, NULL);
glCompileShaderARB (shader);
GLint status;
glGetObjectParameterivARB (shader, GL_OBJECT_COMPILE_STATUS_ARB, &status);
bool res = true;
if (status == 0)
{
char log[4096];
GLsizei logLength;
glGetInfoLogARB (shader, sizeof(log), &logLength, log);
printf ("\n %s: real glsl compiler error on %s:\n%s\n", testName.c_str(), prefix, log);
res = false;
}
glDeleteObjectARB (shader);
return res;
}
static bool ReadStringFromFile (const char* pathName, std::string& output)
{
FILE* file = fopen( pathName, "rb" );
if (file == NULL)
return false;
fseek(file, 0, SEEK_END);
int length = ftell(file);
fseek(file, 0, SEEK_SET);
if (length < 0)
{
fclose( file );
return false;
}
output.resize(length);
int readLength = fread(&*output.begin(), 1, length, file);
fclose(file);
if (readLength != length)
{
output.clear();
return false;
}
replace_string(output, "\r\n", "\n", 0);
return true;
}
bool EndsWith (const std::string& str, const std::string& sub)
{
return (str.size() >= sub.size()) && (strncmp (str.c_str()+str.size()-sub.size(), sub.c_str(), sub.size())==0);
}
typedef std::vector<std::string> StringVector;
static StringVector GetFiles (const std::string& folder, const std::string& endsWith)
{
StringVector res;
#ifdef _MSC_VER
WIN32_FIND_DATAA FindFileData;
HANDLE hFind = FindFirstFileA ((folder+"/*"+endsWith).c_str(), &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
return res;
do {
res.push_back (FindFileData.cFileName);
} while (FindNextFileA (hFind, &FindFileData));
FindClose (hFind);
#else
DIR *dirp;
struct dirent *dp;
if ((dirp = opendir(folder.c_str())) == NULL)
return res;
while ( (dp = readdir(dirp)) )
{
std::string fname = dp->d_name;
if (fname == "." || fname == "..")
continue;
if (!EndsWith (fname, endsWith))
continue;
res.push_back (fname);
}
closedir(dirp);
#endif
return res;
}
static void DeleteFile (const std::string& path)
{
#ifdef _MSC_VER
DeleteFileA (path.c_str());
#else
unlink (path.c_str());
#endif
}
static void MassageVertexForGLES (std::string& s)
{
std::string pre;
pre += "#define gl_Vertex _glesVertex\nattribute highp vec4 _glesVertex;\n";
pre += "#define gl_Normal _glesNormal\nattribute mediump vec3 _glesNormal;\n";
pre += "#define gl_MultiTexCoord0 _glesMultiTexCoord0\nattribute highp vec4 _glesMultiTexCoord0;\n";
pre += "#define gl_MultiTexCoord1 _glesMultiTexCoord1\nattribute highp vec4 _glesMultiTexCoord1;\n";
pre += "#define gl_Color _glesColor\nattribute lowp vec4 _glesColor;\n";
s = pre + s;
}
static void MassageFragmentForGLES (std::string& s)
{
std::string pre;
s = pre + s;
}
static bool TestFile (glslopt_ctx* ctx, bool vertex,
const std::string& testName,
const std::string& inputPath,
const std::string& hirPath,
const std::string& outputPath,
bool gles,
bool doCheckGLSL)
{
std::string input;
if (!ReadStringFromFile (inputPath.c_str(), input))
{
printf ("\n %s: failed to read input file\n", testName.c_str());
return false;
}
if (doCheckGLSL)
{
if (!CheckGLSL (vertex, gles, testName, "input", input.c_str()))
return false;
}
if (gles)
{
if (vertex)
MassageVertexForGLES (input);
else
MassageFragmentForGLES (input);
}
bool res = true;
glslopt_shader_type type = vertex ? kGlslOptShaderVertex : kGlslOptShaderFragment;
glslopt_shader* shader = glslopt_optimize (ctx, type, input.c_str(), 0);
bool optimizeOk = glslopt_get_status(shader);
if (optimizeOk)
{
std::string textHir = glslopt_get_raw_output (shader);
std::string textOpt = glslopt_get_output (shader);
char buffer[200];
int statsAlu, statsTex, statsFlow;
glslopt_shader_get_stats (shader, &statsAlu, &statsTex, &statsFlow);
int inputCount = glslopt_shader_get_input_count (shader);
sprintf(buffer, "\n// inputs: %i, stats: %i alu %i tex %i flow\n", inputCount, statsAlu, statsTex, statsFlow);
textOpt += buffer;
std::string outputHir;
ReadStringFromFile (hirPath.c_str(), outputHir);
std::string outputOpt;
ReadStringFromFile (outputPath.c_str(), outputOpt);
if (textHir != outputHir)
{
// write output
FILE* f = fopen (hirPath.c_str(), "wb");
if (!f)
{
printf ("\n %s: can't write to IR file!\n", testName.c_str());
}
else
{
fwrite (textHir.c_str(), 1, textHir.size(), f);
fclose (f);
}
printf ("\n %s: does not match raw output\n", testName.c_str());
res = false;
}
if (textOpt != outputOpt)
{
// write output
FILE* f = fopen (outputPath.c_str(), "wb");
if (!f)
{
printf ("\n %s: can't write to optimized file!\n", testName.c_str());
}
else
{
fwrite (textOpt.c_str(), 1, textOpt.size(), f);
fclose (f);
}
printf ("\n %s: does not match optimized output\n", testName.c_str());
res = false;
}
if (res && doCheckGLSL && !CheckGLSL (vertex, gles, testName, "raw", textHir.c_str()))
res = false;
if (res && doCheckGLSL && !CheckGLSL (vertex, gles, testName, "optimized", textOpt.c_str()))
res = false;
}
else
{
printf ("\n %s: optimize error: %s\n", testName.c_str(), glslopt_get_log(shader));
res = false;
}
glslopt_shader_delete (shader);
return res;
}
int main (int argc, const char** argv)
{
if (argc < 2)
{
printf ("USAGE: glsloptimizer testfolder\n");
return 1;
}
bool hasOpenGL = InitializeOpenGL ();
glslopt_ctx* ctx[3] = {
glslopt_initialize(kGlslTargetOpenGLES20),
glslopt_initialize(kGlslTargetOpenGLES30),
glslopt_initialize(kGlslTargetOpenGL),
};
std::string baseFolder = argv[1];
clock_t time0 = clock();
// 2.39s
// ralloc fix 256 initial: 1.35s
static const char* kTypeName[2] = { "vertex", "fragment" };
size_t tests = 0;
size_t errors = 0;
for (int type = 0; type < 2; ++type)
{
std::string testFolder = baseFolder + "/" + kTypeName[type];
static const char* kAPIName[3] = { "OpenGL ES 2.0", "OpenGL ES 3.0", "OpenGL" };
static const char* kApiIn [3] = {"-inES.txt", "-inES3.txt", "-in.txt"};
static const char* kApiIR [3] = {"-irES.txt", "-irES3.txt", "-ir.txt"};
static const char* kApiOut[3] = {"-outES.txt", "-outES3.txt", "-out.txt"};
for (int api = 0; api < 3; ++api)
{
printf ("\n** running %s tests for %s...\n", kTypeName[type], kAPIName[api]);
StringVector inputFiles = GetFiles (testFolder, kApiIn[api]);
size_t n = inputFiles.size();
for (size_t i = 0; i < n; ++i)
{
std::string inname = inputFiles[i];
//if (inname != "ast-in.txt")
// continue;
std::string hirname = inname.substr (0,inname.size()-strlen(kApiIn[api])) + kApiIR[api];
std::string outname = inname.substr (0,inname.size()-strlen(kApiIn[api])) + kApiOut[api];
bool ok = TestFile (ctx[api], type==0, inname, testFolder + "/" + inname, testFolder + "/" + hirname, testFolder + "/" + outname, api==0, hasOpenGL);
if (!ok)
{
++errors;
}
++tests;
}
}
}
clock_t time1 = clock();
float timeDelta = float(time1-time0)/CLOCKS_PER_SEC;
if (errors != 0)
printf ("\n**** %i tests (%.2fsec), %i !!!FAILED!!!\n", (int)tests, timeDelta, (int)errors);
else
printf ("\n**** %i tests (%.2fsec) succeeded\n", (int)tests, timeDelta);
// 3.25s
// with builtin call linking, 3.84s
for (int i = 0; i < 2; ++i)
glslopt_cleanup (ctx[i]);
CleanupGL();
return errors ? 1 : 0;
}