[PATCH 7/7] egl: add retracing support for EGL

Chia-I Wu olvaffe at gmail.com
Thu Nov 3 03:56:59 PDT 2011


As the glws abstraction supports desktop GL, EGL retrace will abort with a
warning when the trace file tries to create a GLES context.
---
 CMakeLists.txt     |    1 +
 glretrace.hpp      |    1 +
 glretrace_egl.cpp  |  198 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 glretrace_main.cpp |    1 +
 4 files changed, 201 insertions(+), 0 deletions(-)
 create mode 100644 glretrace_egl.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7712140..a4c25f9 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -486,6 +486,7 @@ add_executable (glretrace
     glretrace_cgl.cpp
     glretrace_glx.cpp
     glretrace_wgl.cpp
+    glretrace_egl.cpp
     glretrace_main.cpp
     glstate.cpp
     glstate_params.cpp
diff --git a/glretrace.hpp b/glretrace.hpp
index aacd67e..81b5d1e 100644
--- a/glretrace.hpp
+++ b/glretrace.hpp
@@ -66,6 +66,7 @@ extern const retrace::Entry gl_callbacks[];
 extern const retrace::Entry cgl_callbacks[];
 extern const retrace::Entry glx_callbacks[];
 extern const retrace::Entry wgl_callbacks[];
+extern const retrace::Entry egl_callbacks[];
 
 void snapshot(unsigned call_no);
 void frame_complete(trace::Call &call);
diff --git a/glretrace_egl.cpp b/glretrace_egl.cpp
new file mode 100644
index 0000000..b75aa4d
--- /dev/null
+++ b/glretrace_egl.cpp
@@ -0,0 +1,198 @@
+/**************************************************************************
+ *
+ * Copyright 2011 LunarG, Inc.
+ * All Rights Reserved.
+ *
+ * Based on glretrace_glx.cpp, which has
+ *
+ *   Copyright 2011 Jose Fonseca
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "glproc.hpp"
+#include "retrace.hpp"
+#include "glretrace.hpp"
+#include "os.hpp"
+
+#ifndef EGL_OPENGL_ES_API
+#define EGL_OPENGL_ES_API		0x30A0
+#define EGL_OPENVG_API			0x30A1
+#define EGL_OPENGL_API			0x30A2
+#endif
+
+
+using namespace glretrace;
+
+
+typedef std::map<unsigned long long, glws::Drawable *> DrawableMap;
+typedef std::map<unsigned long long, glws::Context *> ContextMap;
+static DrawableMap drawable_map;
+static ContextMap context_map;
+
+static unsigned int current_api = EGL_OPENGL_ES_API;
+
+static glws::Drawable *
+getDrawable(unsigned long long surface_ptr) {
+    if (surface_ptr == 0) {
+        return NULL;
+    }
+
+    DrawableMap::const_iterator it;
+    it = drawable_map.find(surface_ptr);
+
+    return (it != drawable_map.end()) ? it->second : NULL;
+}
+
+static glws::Context *
+getContext(unsigned long long context_ptr) {
+    if (context_ptr == 0) {
+        return NULL;
+    }
+
+    ContextMap::const_iterator it;
+    it = context_map.find(context_ptr);
+
+    return (it != context_map.end()) ? it->second : NULL;
+}
+
+static void retrace_eglCreateWindowSurface(trace::Call &call) {
+    unsigned long long orig_surface = call.ret->toUIntPtr();
+
+    glws::Drawable *drawable = glws::createDrawable(glretrace::visual);
+    drawable_map[orig_surface] = drawable;
+}
+
+static void retrace_eglDestroySurface(trace::Call &call) {
+    unsigned long long orig_surface = call.arg(1).toUIntPtr();
+
+    DrawableMap::iterator it;
+    it = drawable_map.find(orig_surface);
+
+    if (it != drawable_map.end()) {
+        delete it->second;
+        drawable_map.erase(it);
+    }
+}
+
+static void retrace_eglBindAPI(trace::Call &call) {
+    current_api = call.arg(0).toUInt();
+}
+
+static void retrace_eglCreateContext(trace::Call &call) {
+    if (current_api != EGL_OPENGL_API) {
+        retrace::warning(call) << "only OpenGL is supported.  Aborting...\n";
+        os::abort();
+        return;
+    }
+
+    unsigned long long orig_context = call.ret->toUIntPtr();
+    glws::Context *share_context = getContext(call.arg(2).toUIntPtr());
+
+    glws::Context *context = glws::createContext(glretrace::visual, share_context);
+    context_map[orig_context] = context;
+}
+
+static void retrace_eglDestroyContext(trace::Call &call) {
+    unsigned long long orig_context = call.arg(1).toUIntPtr();
+
+    ContextMap::iterator it;
+    it = context_map.find(orig_context);
+
+    if (it != context_map.end()) {
+        delete it->second;
+        context_map.erase(it);
+    }
+}
+
+static void retrace_eglMakeCurrent(trace::Call &call) {
+    glws::Drawable *new_drawable = getDrawable(call.arg(1).toUIntPtr());
+    glws::Context *new_context = getContext(call.arg(3).toUIntPtr());
+
+    if (new_drawable == drawable && new_context == context) {
+        return;
+    }
+
+    if (drawable && context) {
+        glFlush();
+        if (!double_buffer) {
+            frame_complete(call);
+        }
+    }
+
+    bool result = glws::makeCurrent(new_drawable, new_context);
+
+    if (new_drawable && new_context && result) {
+        drawable = new_drawable;
+        context = new_context;
+    } else {
+        drawable = NULL;
+        context = NULL;
+    }
+}
+
+
+static void retrace_eglSwapBuffers(trace::Call &call) {
+    frame_complete(call);
+
+    if (double_buffer) {
+        drawable->swapBuffers();
+    } else {
+        glFlush();
+    }
+}
+
+const retrace::Entry glretrace::egl_callbacks[] = {
+    {"eglGetError", &retrace::ignore},
+    {"eglGetDisplay", &retrace::ignore},
+    {"eglInitialize", &retrace::ignore},
+    {"eglTerminate", &retrace::ignore},
+    {"eglQueryString", &retrace::ignore},
+    {"eglGetConfigs", &retrace::ignore},
+    {"eglChooseConfig", &retrace::ignore},
+    {"eglGetConfigAttrib", &retrace::ignore},
+    {"eglCreateWindowSurface", &retrace_eglCreateWindowSurface},
+    //{"eglCreatePbufferSurface", &retrace::ignore},
+    //{"eglCreatePixmapSurface", &retrace::ignore},
+    {"eglDestroySurface", &retrace_eglDestroySurface},
+    {"eglQuerySurface", &retrace::ignore},
+    {"eglBindAPI", &retrace_eglBindAPI},
+    {"eglQueryAPI", &retrace::ignore},
+    //{"eglWaitClient", &retrace::ignore},
+    //{"eglReleaseThread", &retrace::ignore},
+    //{"eglCreatePbufferFromClientBuffer", &retrace::ignore},
+    //{"eglSurfaceAttrib", &retrace::ignore},
+    //{"eglBindTexImage", &retrace::ignore},
+    //{"eglReleaseTexImage", &retrace::ignore},
+    {"eglSwapInterval", &retrace::ignore},
+    {"eglCreateContext", &retrace_eglCreateContext},
+    {"eglDestroyContext", &retrace_eglDestroyContext},
+    {"eglMakeCurrent", &retrace_eglMakeCurrent},
+    {"eglGetCurrentContext", &retrace::ignore},
+    {"eglGetCurrentSurface", &retrace::ignore},
+    {"eglGetCurrentDisplay", &retrace::ignore},
+    {"eglQueryContext", &retrace::ignore},
+    {"eglWaitGL", &retrace::ignore},
+    {"eglWaitNative", &retrace::ignore},
+    {"eglSwapBuffers", &retrace_eglSwapBuffers},
+    //{"eglCopyBuffers", &retrace::ignore},
+    {"eglGetProcAddress", &retrace::ignore},
+};
diff --git a/glretrace_main.cpp b/glretrace_main.cpp
index c23f664..dfb051c 100644
--- a/glretrace_main.cpp
+++ b/glretrace_main.cpp
@@ -202,6 +202,7 @@ static void display(void) {
     retracer.addCallbacks(glx_callbacks);
     retracer.addCallbacks(wgl_callbacks);
     retracer.addCallbacks(cgl_callbacks);
+    retracer.addCallbacks(egl_callbacks);
 
     startTime = os::getTime();
     trace::Call *call;
-- 
1.7.6.3



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