framebuffer

src/framework/graphics/framebuffer.cpp

@@ -34,6 +34,8 @@ PFNGLCHECKFRAMEBUFFERSTATUSPROC  oglCheckFramebufferStatus = 0;
 
 FrameBuffer::FrameBuffer(int width, int height)
 {
+    g_graphics.disableDrawing();
+
     m_fbo = 0;
     m_width = width;
     m_height = height;
@@ -50,7 +52,7 @@ FrameBuffer::FrameBuffer(int width, int height)
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
     // use FBO ext only if supported
-    if(g_graphics.isExtensionSupported("ARB_framebuffer_object")) {
+    if(g_graphics.isExtensionSupported("GL_ARB_framebuffer_object")) {
         m_fallbackOldImp = false;
         if(!oglGenFramebuffers) {
             oglGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)Platform::getExtensionProcAddress("glGenFramebuffers");
@@ -84,6 +86,8 @@ FrameBuffer::FrameBuffer(int width, int height)
 
 FrameBuffer::~FrameBuffer()
 {
+    g_graphics.disableDrawing();
+
     glDeleteTextures(1, &m_fboTexture);
     if(m_fbo)
         oglDeleteFramebuffers(1, &m_fbo);
@@ -91,6 +95,8 @@ FrameBuffer::~FrameBuffer()
 
 void FrameBuffer::bind()
 {
+    g_graphics.disableDrawing();
+
     if(!m_fallbackOldImp) {
         // bind framebuffer
         oglBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
@@ -113,6 +119,8 @@ void FrameBuffer::bind()
 
 void FrameBuffer::unbind()
 {
+    g_graphics.disableDrawing();
+
     if(!m_fallbackOldImp) {
         // bind back buffer again
         oglBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
@@ -137,6 +145,8 @@ void FrameBuffer::unbind()
 
 void FrameBuffer::draw(int x, int y, int width, int height)
 {
+    g_graphics.disableDrawing();
+
     glBindTexture(GL_TEXTURE_2D, m_fboTexture);
     glBegin(GL_QUADS);
     glTexCoord2i(0, 0); glVertex2i(x,       y);

src/framework/graphics/framebuffer.h

@@ -27,6 +27,9 @@
 
 #include <global.h>
 
+class FrameBuffer;
+typedef std::shared_ptr<FrameBuffer> FrameBufferPtr;
+
 class FrameBuffer
 {
 public:

src/map.cpp

@@ -3,6 +3,11 @@
 
 void Map::draw(int x, int y, int width, int heigth)
 {
+    if(!m_framebuffer)
+        m_framebuffer = FrameBufferPtr(new FrameBuffer(19*32, 15*32));
+
+    m_framebuffer->bind();
+
     Position playerPos = g_game.getPlayer()->getPosition();
     for(int ix = 0; ix < 19; ++ix) {
         for(int iy = 0; iy < 15; ++iy) {
@@ -13,6 +18,9 @@ void Map::draw(int x, int y, int width, int heigth)
             }
         }
     }
+
+    m_framebuffer->unbind();
+    m_framebuffer->draw(0, 0, width, heigth);
 }
 
 void Map::addThing(Thing *thing, const Position& pos)

src/map.h

@@ -3,6 +3,7 @@
 
 #include "position.h"
 #include "tile.h"
+#include <graphics/framebuffer.h>
 
 class Map
 {
@@ -14,6 +15,8 @@ public:
 private:
     // Visible tiles are 15x11, but we have a +3 value. We have 15 floors.
     Tile m_map[19][15][15];
+
+    FrameBufferPtr m_framebuffer;
 };
 
 #endif // MAP_H