Shadow buffer

2026-07-28 19:02:45 +01:00
parent d48097c645
commit 299ad1d9c7
46 changed files with 693 additions and 603 deletions
@@ -1,19 +0,0 @@
-#ifndef HYDRABEGINRENDERTASK
-#define HYDRABEGINRENDERTASK
-#include "../HydraTask.h"
-#include "../../engine/HydraEngine.h"
-#include "../../renderer/HydraRenderer.h"
-
-class HydraBeginRenderTask : public HydraTask
-{
-    private:
-    protected:
-    public:
-        virtual void Process() override
-        {
-            GetEngine()->Renderer()->BeginFrame();
-        }
-};
-
-
-#endif /* HYDRABEGINRENDERTASK */
@@ -0,0 +1,61 @@
+#ifndef HYDRACREATESHADOWFRAMEBUFFER
+#define HYDRACREATESHADOWFRAMEBUFFER
+
+#include "../HydraTask.h"
+#include "../../engine/HydraEngine.h"
+#include "../../renderer/HydraRenderer.h"
+#include <GLMIncludes.h>
+#include "../../GlewIncludes.h"
+
+class HydraCreateShadowFrameBuffer : public HydraTask
+{
+private:
+    uint32_t *m_texture_id = 0;
+    uint32_t *m_frame_buffer_id = nullptr;
+
+protected:
+public:
+    void Process() override
+    {
+        HydraEngine *engine = GetEngine();
+
+        HydraTextureBufferManager *tex_buffer_manager = engine->TextureBufferManager();
+        HydraRenderSettings render_settings = engine->RenderSettings();
+
+        *m_texture_id = tex_buffer_manager->CreateTextureArray("shadow_FB",                                                        
+                                                          SHADOW_MAP_SIZE, SHADOW_MAP_SIZE,
+                                                          GL_DEPTH_COMPONENT24,
+                                                          GL_NEAREST,
+                                                          GL_NEAREST,
+                                                          6);
+
+        HydraTextureBuffer texture = tex_buffer_manager->GetTexture(*m_texture_id);
+
+        glGenFramebuffers(1, m_frame_buffer_id);
+        glBindFramebuffer(GL_FRAMEBUFFER, *m_frame_buffer_id);
+
+        glNamedFramebufferDrawBuffer(*m_frame_buffer_id, GL_NONE);
+        glNamedFramebufferReadBuffer(*m_frame_buffer_id, GL_NONE);
+
+        glBindTexture(GL_TEXTURE_2D_ARRAY, texture.gl_tex_id);
+        glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+        glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+        glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, texture.gl_tex_id, 0);
+
+        GLenum status = glCheckNamedFramebufferStatus(*m_frame_buffer_id, GL_FRAMEBUFFER);
+        if (status != GL_FRAMEBUFFER_COMPLETE)
+        {
+            std::cout << "Framebuffer error: " << status << std::endl;
+        }
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
+        glBindTexture(GL_TEXTURE_2D_ARRAY, 0);
+        tex_buffer_manager->BindTexture(*m_texture_id, GL_TEXTURE_2D_ARRAY);
+    }
+    void Initialise(uint32_t *texture_id, uint32_t *frame_buffer_id)
+    {
+        m_texture_id = texture_id;
+        m_frame_buffer_id = frame_buffer_id;
+    }
+};
+#endif /* HYDRACREATESHADOWFRAMEBUFFER */
@@ -10,8 +10,7 @@ class HydraRenderTask : public HydraTask
    protected:
    public:
        virtual void Process() override
-        {
-            GetEngine()->Renderer()->BeginFrame();
+        {            
            GetEngine()->Renderer()->EndFrame();
        }
 };