87 lines
3.8 KiB
C++
87 lines
3.8 KiB
C++
|
#ifndef HYDRACREATECASCADESHADOWFRAMEBUFFER
|
||
|
|
#define HYDRACREATECASCADESHADOWFRAMEBUFFER
|
||
|
|
|
||
|
|
#include "../HydraTask.h"
|
||
|
|
#include "../../engine/HydraEngine.h"
|
||
|
|
#include "../../renderer/HydraRenderer.h"
|
||
|
|
#include <GLMIncludes.h>
|
||
|
|
#include "../../GlewIncludes.h"
|
||
|
|
#include "../../buffer/HydraTextureBufferManager.h"
|
||
|
|
|
||
|
|
class HydraCreateCascadeShadowFrameBuffer : public HydraTask
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
uint32_t *m_texture_id = 0;
|
||
|
|
uint32_t *m_depth_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_RGBA8,
|
||
|
|
GL_NEAREST,
|
||
|
|
GL_NEAREST,
|
||
|
|
6);
|
||
|
|
|
||
|
|
HydraTextureBuffer texture = tex_buffer_manager->GetTexture(*m_texture_id);
|
||
|
|
|
||
|
|
*m_depth_texture_id = tex_buffer_manager->CreateTextureArray("shadow_depth_buffer",
|
||
|
|
SHADOW_MAP_SIZE, SHADOW_MAP_SIZE,
|
||
|
|
GL_DEPTH_COMPONENT32F,
|
||
|
|
GL_NEAREST,
|
||
|
|
GL_NEAREST,
|
||
|
|
6);
|
||
|
|
|
||
|
|
HydraTextureBuffer depth_texture = tex_buffer_manager->GetTexture(*m_depth_texture_id);
|
||
|
|
glGenFramebuffers(1, m_frame_buffer_id);
|
||
|
|
glBindFramebuffer(GL_FRAMEBUFFER, *m_frame_buffer_id);
|
||
|
|
|
||
|
|
glTextureParameteri(texture.gl_tex_id, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||
|
|
glTextureParameteri(texture.gl_tex_id, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||
|
|
|
||
|
|
// FIX 1: Set explicit filters for the depth texture to prevent incomplete attachment
|
||
|
|
glTextureParameteri(depth_texture.gl_tex_id, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||
|
|
glTextureParameteri(depth_texture.gl_tex_id, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||
|
|
|
||
|
|
glm::vec4 border = glm::vec4(1,1,1,1);
|
||
|
|
|
||
|
|
glTextureParameteri(depth_texture.gl_tex_id, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
|
||
|
|
glTextureParameteri(depth_texture.gl_tex_id, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
|
||
|
|
glTextureParameterfv(depth_texture.gl_tex_id, GL_TEXTURE_BORDER_COLOR, &border[0]);
|
||
|
|
|
||
|
|
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, texture.gl_tex_id, 0);
|
||
|
|
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, depth_texture.gl_tex_id, 0);
|
||
|
|
|
||
|
|
glNamedFramebufferDrawBuffer(*m_frame_buffer_id, GL_COLOR_ATTACHMENT0);
|
||
|
|
glNamedFramebufferReadBuffer(*m_frame_buffer_id, GL_COLOR_ATTACHMENT0);
|
||
|
|
|
||
|
|
GLenum draw_buffers[] = {GL_COLOR_ATTACHMENT0};
|
||
|
|
glNamedFramebufferDrawBuffers(*m_frame_buffer_id, 1, draw_buffers);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
tex_buffer_manager->BindTexture(*m_depth_texture_id, GL_TEXTURE_2D_ARRAY);
|
||
|
|
|
||
|
|
}
|
||
|
|
void Initialise(uint32_t *texture_id, uint32_t *depth_texture_id, uint32_t *frame_buffer_id)
|
||
|
|
{
|
||
|
|
m_texture_id = texture_id;
|
||
|
|
m_frame_buffer_id = frame_buffer_id;
|
||
|
|
m_depth_texture_id = depth_texture_id;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
#endif /* HYDRACREATESHADOWFRAMEBUFFER */
|