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/*
** Copyright 2010, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#if EGL_TRACE
#include <stdarg.h>
#include <stdlib.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <cutils/log.h>
#include "hooks.h"
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
struct GLenumString {
GLenum e;
const char* s;
};
#undef GL_ENUM
#define GL_ENUM(VAL,NAME) {VAL, #NAME},
static GLenumString g_enumnames[] = {
#include "enums.in"
};
#undef GL_ENUM
static int compareGLEnum(const void* a, const void* b) {
return ((const GLenumString*) a)->e - ((const GLenumString*) b)->e;
}
static const char* GLEnumToString(GLenum e) {
GLenumString key = {e, ""};
const GLenumString* result = (const GLenumString*) bsearch(
&key, g_enumnames,
sizeof(g_enumnames) / sizeof(g_enumnames[0]),
sizeof(g_enumnames[0]), compareGLEnum);
if (result) {
return result->s;
}
return NULL;
}
static const char* GLbooleanToString(GLboolean arg) {
return arg ? "GL_TRUE" : "GL_FALSE";
}
static GLenumString g_bitfieldNames[] = {
{0x00004000, "GL_COLOR_BUFFER_BIT"},
{0x00000400, "GL_STENCIL_BUFFER_BIT"},
{0x00000100, "GL_DEPTH_BUFFER_BIT"}
};
class StringBuilder {
static const int lineSize = 500;
char line[lineSize];
int line_index;
public:
StringBuilder() {
line_index = 0;
line[0] = '\0';
}
void append(const char* fmt, ...) {
va_list argp;
va_start(argp, fmt);
line_index += vsnprintf(line + line_index, lineSize-line_index, fmt, argp);
va_end(argp);
}
const char* getString() {
line_index = 0;
line[lineSize-1] = '\0';
return line;
}
};
static void TraceGLShaderSource(GLuint shader, GLsizei count,
const GLchar** string, const GLint* length) {
LOGD("const char* shaderSrc[] = {");
for (GLsizei i = 0; i < count; i++) {
const char* comma = i < count-1 ? "," : "";
const GLchar* s = string[i];
if (length) {
GLint len = length[i];
LOGD(" \"%*s\"%s", len, s, comma);
} else {
LOGD(" \"%s\"%s", s, comma);
}
}
LOGD("};");
if (length) {
LOGD("const GLint* shaderLength[] = {");
for (GLsizei i = 0; i < count; i++) {
const char* comma = i < count-1 ? "," : "";
GLint len = length[i];
LOGD(" \"%d\"%s", len, comma);
}
LOGD("};");
LOGD("glShaderSource(%u, %u, shaderSrc, shaderLength);",
shader, count);
} else {
LOGD("glShaderSource(%u, %u, shaderSrc, (const GLint*) 0);",
shader, count);
}
}
static void TraceValue(int elementCount, char type,
GLsizei chunkCount, GLsizei chunkSize, const void* value) {
StringBuilder stringBuilder;
GLsizei count = chunkCount * chunkSize;
bool isFloat = type == 'f';
const char* typeString = isFloat ? "GLfloat" : "GLint";
LOGD("const %s value[] = {", typeString);
for (GLsizei i = 0; i < count; i++) {
StringBuilder builder;
builder.append(" ");
for (int e = 0; e < elementCount; e++) {
const char* comma = ", ";
if (e == elementCount-1) {
if (i == count - 1) {
comma = "";
} else {
comma = ",";
}
}
if (isFloat) {
builder.append("%g%s", * (GLfloat*) value, comma);
value = (void*) (((GLfloat*) value) + 1);
} else {
builder.append("%d%s", * (GLint*) value, comma);
value = (void*) (((GLint*) value) + 1);
}
}
LOGD("%s", builder.getString());
if (chunkSize > 1 && i < count-1
&& (i % chunkSize) == (chunkSize-1)) {
LOGD("%s", ""); // Print a blank line.
}
}
LOGD("};");
}
static void TraceUniformv(int elementCount, char type,
GLuint location, GLsizei count, const void* value) {
TraceValue(elementCount, type, count, 1, value);
LOGD("glUniform%d%c(%u, %u, value);", elementCount, type, location, count);
}
static void TraceUniformMatrix(int matrixSideLength,
GLuint location, GLsizei count, GLboolean transpose, const void* value) {
TraceValue(matrixSideLength, 'f', count, matrixSideLength, value);
LOGD("glUniformMatrix%dfv(%u, %u, %s, value);", matrixSideLength, location, count,
GLbooleanToString(transpose));
}
static void TraceGL(const char* name, int numArgs, ...) {
va_list argp;
va_start(argp, numArgs);
int nameLen = strlen(name);
// glShaderSource
if (nameLen == 14 && strcmp(name, "glShaderSource") == 0) {
va_arg(argp, const char*);
GLuint shader = va_arg(argp, GLuint);
va_arg(argp, const char*);
GLsizei count = va_arg(argp, GLsizei);
va_arg(argp, const char*);
const GLchar** string = (const GLchar**) va_arg(argp, void*);
va_arg(argp, const char*);
const GLint* length = (const GLint*) va_arg(argp, void*);
va_end(argp);
TraceGLShaderSource(shader, count, string, length);
return;
}
// glUniformXXv
if (nameLen == 12 && strncmp(name, "glUniform", 9) == 0 && name[11] == 'v') {
int elementCount = name[9] - '0'; // 1..4
char type = name[10]; // 'f' or 'i'
va_arg(argp, const char*);
GLuint location = va_arg(argp, GLuint);
va_arg(argp, const char*);
GLsizei count = va_arg(argp, GLsizei);
va_arg(argp, const char*);
const void* value = (const void*) va_arg(argp, void*);
va_end(argp);
TraceUniformv(elementCount, type, location, count, value);
return;
}
// glUniformMatrixXfv
if (nameLen == 18 && strncmp(name, "glUniformMatrix", 15) == 0
&& name[16] == 'f' && name[17] == 'v') {
int matrixSideLength = name[15] - '0'; // 2..4
va_arg(argp, const char*);
GLuint location = va_arg(argp, GLuint);
va_arg(argp, const char*);
GLsizei count = va_arg(argp, GLsizei);
va_arg(argp, const char*);
GLboolean transpose = (GLboolean) va_arg(argp, int);
va_arg(argp, const char*);
const void* value = (const void*) va_arg(argp, void*);
va_end(argp);
TraceUniformMatrix(matrixSideLength, location, count, transpose, value);
return;
}
StringBuilder builder;
builder.append("%s(", name);
for (int i = 0; i < numArgs; i++) {
if (i > 0) {
builder.append(", ");
}
const char* type = va_arg(argp, const char*);
bool isPtr = type[strlen(type)-1] == '*'
|| strcmp(type, "GLeglImageOES") == 0;
if (isPtr) {
const void* arg = va_arg(argp, const void*);
builder.append("(%s) 0x%08x", type, (size_t) arg);
} else if (strcmp(type, "GLbitfield") == 0) {
size_t arg = va_arg(argp, size_t);
bool first = true;
for (size_t i = 0; i < sizeof(g_bitfieldNames) / sizeof(g_bitfieldNames[0]); i++) {
const GLenumString* b = &g_bitfieldNames[i];
if (b->e & arg) {
if (first) {
first = false;
} else {
builder.append(" | ");
}
builder.append("%s", b->s);
arg &= ~b->e;
}
}
if (first || arg != 0) {
if (!first) {
builder.append(" | ");
}
builder.append("0x%08x", arg);
}
} else if (strcmp(type, "GLboolean") == 0) {
GLboolean arg = va_arg(argp, int);
builder.append("%s", GLbooleanToString(arg));
} else if (strcmp(type, "GLclampf") == 0) {
double arg = va_arg(argp, double);
builder.append("%g", arg);
} else if (strcmp(type, "GLenum") == 0) {
GLenum arg = va_arg(argp, int);
const char* s = GLEnumToString(arg);
if (s) {
builder.append("%s", s);
} else {
builder.append("0x%x", arg);
}
} else if (strcmp(type, "GLfixed") == 0) {
int arg = va_arg(argp, int);
builder.append("0x%08x", arg);
} else if (strcmp(type, "GLfloat") == 0) {
double arg = va_arg(argp, double);
builder.append("%g", arg);
} else if (strcmp(type, "GLint") == 0) {
int arg = va_arg(argp, int);
const char* s = NULL;
if (strcmp(name, "glTexParameteri") == 0) {
s = GLEnumToString(arg);
}
if (s) {
builder.append("%s", s);
} else {
builder.append("%d", arg);
}
} else if (strcmp(type, "GLintptr") == 0) {
int arg = va_arg(argp, unsigned int);
builder.append("%u", arg);
} else if (strcmp(type, "GLsizei") == 0) {
int arg = va_arg(argp, size_t);
builder.append("%u", arg);
} else if (strcmp(type, "GLsizeiptr") == 0) {
int arg = va_arg(argp, size_t);
builder.append("%u", arg);
} else if (strcmp(type, "GLuint") == 0) {
int arg = va_arg(argp, unsigned int);
builder.append("%u", arg);
} else {
builder.append("/* ??? %s */", type);
break;
}
}
builder.append(");");
LOGD("%s", builder.getString());
va_end(argp);
}
#undef TRACE_GL_VOID
#undef TRACE_GL
#define TRACE_GL_VOID(_api, _args, _argList, ...) \
static void Tracing_ ## _api _args { \
TraceGL(#_api, __VA_ARGS__); \
gl_hooks_t::gl_t const * const _c = &getGLTraceThreadSpecific()->gl; \
_c->_api _argList; \
}
#define TRACE_GL(_type, _api, _args, _argList, ...) \
static _type Tracing_ ## _api _args { \
TraceGL(#_api, __VA_ARGS__); \
gl_hooks_t::gl_t const * const _c = &getGLTraceThreadSpecific()->gl; \
return _c->_api _argList; \
}
extern "C" {
#include "../trace.in"
}
#undef TRACE_GL_VOID
#undef TRACE_GL
#define GL_ENTRY(_r, _api, ...) Tracing_ ## _api,
EGLAPI gl_hooks_t gHooksTrace = {
{
#include "entries.in"
},
{
{0}
}
};
#undef GL_ENTRY
#undef TRACE_GL_VOID
#undef TRACE_GL
// define the ES 1.0 Debug_gl* functions as Tracing_gl functions
#define TRACE_GL_VOID(_api, _args, _argList, ...) \
static void Debug_ ## _api _args { \
TraceGL(#_api, __VA_ARGS__); \
gl_hooks_t::gl_t const * const _c = &getGLTraceThreadSpecific()->gl; \
_c->_api _argList; \
}
#define TRACE_GL(_type, _api, _args, _argList, ...) \
static _type Debug_ ## _api _args { \
TraceGL(#_api, __VA_ARGS__); \
gl_hooks_t::gl_t const * const _c = &getGLTraceThreadSpecific()->gl; \
return _c->_api _argList; \
}
extern "C" {
#include "../debug.in"
}
#undef TRACE_GL_VOID
#undef TRACE_GL
// declare all Debug_gl* functions
#define GL_ENTRY(_r, _api, ...) _r Debug_##_api ( __VA_ARGS__ );
#include "glesv2dbg_functions.h"
#undef GL_ENTRY
#define GL_ENTRY(_r, _api, ...) Debug_ ## _api,
EGLAPI gl_hooks_t gHooksDebug = {
{
#include "entries.in"
},
{
{0}
}
};
#undef GL_ENTRY
// ----------------------------------------------------------------------------
}; // namespace android
// ----------------------------------------------------------------------------
#endif // EGL_TRACE
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