X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace%2Fglretrace_ws.cpp;h=ac03fcc97de6d56390f807a3b1661e6571d489c1;hb=HEAD;hp=bead54ee10ea0566a471604e2a37c423f1eeb181;hpb=9115776479fc67fe12cc3f7ccb8da2fd684d2232;p=apitrace

diff --git a/retrace/glretrace_ws.cpp b/retrace/glretrace_ws.cpp
index bead54e..ac03fcc 100644
--- a/retrace/glretrace_ws.cpp
+++ b/retrace/glretrace_ws.cpp
@@ -31,6 +31,7 @@
 
 #include <string.h>
 
+#include "os_thread.hpp"
 #include "retrace.hpp"
 #include "glproc.hpp"
 #include "glstate.hpp"
@@ -40,10 +41,6 @@
 namespace glretrace {
 
 
-glws::Drawable *currentDrawable = NULL;
-Context *currentContext = NULL;
-
-
 static glws::Visual *
 visuals[glws::PROFILE_MAX];
 
@@ -53,6 +50,10 @@ getVisual(glws::Profile profile) {
     glws::Visual * & visual = visuals[profile];
     if (!visual) {
         visual = glws::createVisual(retrace::doubleBuffer, profile);
+        if (!visual) {
+            std::cerr << "error: failed to create OpenGL visual\n";
+            exit(1);
+        }
     }
     return visual;
 }
@@ -69,29 +70,42 @@ getDefaultProfile(void)
 }
 
 
-glws::Drawable *
-createDrawable(glws::Profile profile) {
-    glws::Drawable *draw = glws::createDrawable(getVisual(profile));
+static glws::Drawable *
+createDrawableHelper(glws::Profile profile, int width = 32, int height = 32, bool pbuffer = false) {
+    glws::Visual *visual = getVisual(profile);
+    glws::Drawable *draw = glws::createDrawable(visual, width, height, pbuffer);
     if (!draw) {
         std::cerr << "error: failed to create OpenGL drawable\n";
         exit(1);
-        return NULL;
     }
 
     return draw;
 }
 
 
+glws::Drawable *
+createDrawable(glws::Profile profile) {
+    return createDrawableHelper(profile);
+}
+
+
 glws::Drawable *
 createDrawable(void) {
-    return glretrace::createDrawable(getDefaultProfile());
+    return createDrawable(getDefaultProfile());
+}
+
+
+glws::Drawable *
+createPbuffer(int width, int height) {
+    return createDrawableHelper(getDefaultProfile(), width, height, true);
 }
 
 
 Context *
 createContext(Context *shareContext, glws::Profile profile) {
+    glws::Visual *visual = getVisual(profile);
     glws::Context *shareWsContext = shareContext ? shareContext->wsContext : NULL;
-    glws::Context *ctx = glws::createContext(getVisual(profile), shareWsContext, profile, retrace::debug);
+    glws::Context *ctx = glws::createContext(visual, shareWsContext, profile, retrace::debug);
     if (!ctx) {
         std::cerr << "error: failed to create OpenGL context\n";
         exit(1);
@@ -108,14 +122,30 @@ createContext(Context *shareContext) {
 }
 
 
+Context::~Context()
+{
+    //assert(this != getCurrentContext());
+    if (this != getCurrentContext()) {
+        delete wsContext;
+    }
+}
+
+
+static thread_specific Context *
+currentContextPtr;
+
+
 bool
 makeCurrent(trace::Call &call, glws::Drawable *drawable, Context *context)
 {
+    Context *currentContext = currentContextPtr;
+    glws::Drawable *currentDrawable = currentContext ? currentContext->drawable : NULL;
+
     if (drawable == currentDrawable && context == currentContext) {
         return true;
     }
 
-    if (currentDrawable && currentContext) {
+    if (currentContext) {
         glFlush();
         if (!retrace::doubleBuffer) {
             frame_complete(call);
@@ -132,25 +162,25 @@ makeCurrent(trace::Call &call, glws::Drawable *drawable, Context *context)
         return false;
     }
 
-    if (context) {
+    currentContextPtr = context;
+
+    if (drawable && context) {
+        context->drawable = drawable;
+        
         if (!context->used) {
             initContext();
             context->used = true;
         }
     }
 
-    if (drawable && context) {
-        currentDrawable = drawable;
-        currentContext = context;
-    } else {
-        currentDrawable = NULL;
-        currentContext = NULL;
-    }
-
     return true;
 }
 
 
+Context *
+getCurrentContext(void) {
+    return currentContextPtr;
+}
 
 
 /**
@@ -161,7 +191,15 @@ makeCurrent(trace::Call &call, glws::Drawable *drawable, Context *context)
  */
 void
 updateDrawable(int width, int height) {
-    if (!currentDrawable) {
+    Context *currentContext = getCurrentContext();
+    if (!currentContext) {
+        return;
+    }
+
+    glws::Drawable *currentDrawable = currentContext->drawable;
+    assert(currentDrawable);
+
+    if (currentDrawable->pbuffer) {
         return;
     }
 
@@ -190,4 +228,26 @@ updateDrawable(int width, int height) {
 }
 
 
+int
+parseAttrib(const trace::Value *attribs, int param, int default_ = 0) {
+    const trace::Array *attribs_ = dynamic_cast<const trace::Array *>(attribs);
+
+    if (attribs_) {
+        for (size_t i = 0; i + 1 < attribs_->values.size(); i += 2) {
+            int param_i = attribs_->values[i]->toSInt();
+            if (param_i == 0) {
+                break;
+            }
+
+            if (param_i == param) {
+                int value = attribs_->values[i + 1]->toSInt();
+                return value;
+            }
+        }
+    }
+
+    return default_;
+}
+
+
 } /* namespace glretrace */