1 files changed, 166 insertions, 0 deletions
diff --git a/opengl/libagl2/src/gles2context.h b/opengl/libagl2/src/gles2context.h
new file mode 100644
index 0000000..cec0340
--- /dev/null
+++ b/opengl/libagl2/src/gles2context.h
@@ -0,0 +1,166 @@
+#define _SIZE_T_DEFINED_
+typedef unsigned int size_t;
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <utils/threads.h>
+#include <pthread.h>
+
+#include <cutils/log.h>
+
+#include <assert.h>
+
+#ifdef __arm__
+#ifndef __location__
+#define __HIERALLOC_STRING_0__(s)   #s
+#define __HIERALLOC_STRING_1__(s)   __HIERALLOC_STRING_0__(s)
+#define __HIERALLOC_STRING_2__      __HIERALLOC_STRING_1__(__LINE__)
+#define __location__                __FILE__ ":" __HIERALLOC_STRING_2__
+#endif
+#undef assert
+#define assert(EXPR) { do { if (!(EXPR)) {LOGD("\n*\n*\n*\n* assert fail: '"#EXPR"' at "__location__"\n*\n*\n*\n*"); exit(EXIT_FAILURE); } } while (false); }
+//#define printf LOGD
+#else // #ifdef __arm__
+//#define LOGD printf
+#endif // #ifdef __arm__
+
+
+#include <pixelflinger2/pixelflinger2_format.h>
+#include <pixelflinger2/pixelflinger2.h>
+
+#include <map>
+
+typedef uint8_t                 GGLubyte;               // ub
+
+#define ggl_likely(x)   __builtin_expect(!!(x), 1)
+#define ggl_unlikely(x) __builtin_expect(!!(x), 0)
+
+#undef NELEM
+#define NELEM(x) (sizeof(x)/sizeof(*(x)))
+
+template<typename T>
+inline T max(T a, T b)
+{
+   return a<b ? b : a;
+}
+
+template<typename T>
+inline T min(T a, T b)
+{
+   return a<b ? a : b;
+}
+
+struct egl_context_t {
+   enum {
+      IS_CURRENT      =   0x00010000,
+      NEVER_CURRENT   =   0x00020000
+   };
+   uint32_t            flags;
+   EGLDisplay          dpy;
+   EGLConfig           config;
+   EGLSurface          read;
+   EGLSurface          draw;
+
+   unsigned frame;
+   clock_t lastSwapTime;
+   float accumulateSeconds;
+   
+   static inline egl_context_t* context(EGLContext ctx);
+};
+
+struct GLES2Context;
+
+#ifdef HAVE_ANDROID_OS
+#include <bionic_tls.h>
+// We have a dedicated TLS slot in bionic
+inline void setGlThreadSpecific(GLES2Context *value)
+{
+   ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)value;
+}
+inline GLES2Context* getGlThreadSpecific()
+{
+   return (GLES2Context *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]);
+}
+#else
+extern pthread_key_t gGLKey;
+inline void setGlThreadSpecific(GLES2Context *value)
+{
+   pthread_setspecific(gGLKey, value);
+}
+inline GLES2Context* getGlThreadSpecific()
+{
+   return static_cast<GLES2Context*>(pthread_getspecific(gGLKey));
+}
+#endif
+
+struct VBO {
+   unsigned size;
+   GLenum usage;
+   void * data;
+};
+
+struct GLES2Context {
+   GGLContext rasterizer;
+   egl_context_t egl;
+   GGLInterface * iface; // shortcut to &rasterizer.interface
+
+   struct VertexState {
+      struct VertAttribPointer {
+         unsigned size; // number of values per vertex
+         GLenum type;  // data type
+         unsigned stride; // bytes
+         const void * ptr;
+bool normalized :
+         1;
+bool enabled :
+         1;
+      } attribs [GGL_MAXVERTEXATTRIBS];
+
+      VBO * vbo, * indices;
+      std::map<GLuint, VBO *> vbos;
+      GLuint free;
+
+      Vector4 defaultAttribs [GGL_MAXVERTEXATTRIBS];
+   } vert;
+
+   struct TextureState {
+      GGLTexture * tmus[GGL_MAXCOMBINEDTEXTUREIMAGEUNITS];
+      int sampler2tmu[GGL_MAXCOMBINEDTEXTUREIMAGEUNITS]; // sampler2tmu[sampler] is index of tmu, -1 means not used
+      unsigned active;
+      std::map<GLuint, GGLTexture *> textures;
+      GLuint free; // first possible free name
+      GGLTexture * tex2D, * texCube; // default textures
+      unsigned unpack;
+      
+      void UpdateSampler(GGLInterface * iface, unsigned tmu);
+   } tex;
+
+   GLES2Context();
+   void InitializeTextures();
+   void InitializeVertices();
+
+   ~GLES2Context();
+   void UninitializeTextures();
+   void UninitializeVertices();
+
+   static inline GLES2Context* get() {
+      return getGlThreadSpecific();
+   }
+};
+
+inline egl_context_t* egl_context_t::context(EGLContext ctx)
+{
+   GLES2Context* const gl = static_cast<GLES2Context*>(ctx);
+   return static_cast<egl_context_t*>(&gl->egl);
+}
+
+#define GLES2_GET_CONTEXT(ctx) GLES2Context * ctx = GLES2Context::get(); \
+                                 /*puts(__FUNCTION__);*/
+#define GLES2_GET_CONST_CONTEXT(ctx) GLES2Context * ctx = GLES2Context::get(); \
+                                       /*puts(__FUNCTION__);*/