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This commit is contained in:
Confideo-IOM
2026-08-04 22:40:48 +01:00
parent f51b435a9d
commit 6d7d7571b5
48 changed files with 1086 additions and 1222 deletions
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HydraEngine/source/pipeline/HydraShadowPipeline.cpp
+100 -25
View File
@@ -12,14 +12,18 @@
#include "../ecs/HydraECS.h"
#include "../ecs/systems/HydraRenderSystem.h"
#include "../ecs/systems/HydraDirectionalShadowSourceSystem.h"
#include "../ecs/systems/HydraSpotShadowSourceSystem.h"
#include "../ecs/components/HydraLightComponent.h"
#include "../mesh/StandardVertex.h"
#include "../actor/HydraActorManager.h"
#include "../actor/HydraOutputActor.h"
void HydraShadowPipeline::Initialise()
{
m_render_stages.resize(2);
_CreateUBOs();
_CreateRenderStage();
_CreateDirectionalRenderStage();
_CreateSpotRenderStage();
}
void HydraShadowPipeline::Shutdown()
@@ -28,48 +32,64 @@ void HydraShadowPipeline::Shutdown()
void HydraShadowPipeline::Render()
{
HydraECS *ecs = GetEngine()->ECS();
std::shared_ptr<HydraRenderSystem> render_system = ecs->GetSystem<HydraRenderSystem>();
std::shared_ptr<HydraDirectionalShadowSourceSystem> shadow_system = ecs->GetSystem<HydraDirectionalShadowSourceSystem>();
uint32_t shadow_idx = 0;
glViewport(0, 0, SHADOW_MAP_SIZE, SHADOW_MAP_SIZE);
glEnable(GL_DEPTH_TEST); // Depth testing must be active
glDepthMask(GL_TRUE); // Depth buffer must be writable
glDepthFunc(GL_LESS);
//glEnable(GL_POLYGON_OFFSET_FILL);
//glPolygonOffset(2.5f, 1.0f);
_RenderDirectionalShadowMaps();
_RenderSpotShadowMaps();
}
void HydraShadowPipeline::_RenderDirectionalShadowMaps()
{
HydraECS *ecs = GetEngine()->ECS();
std::shared_ptr<HydraRenderSystem> render_system = ecs->GetSystem<HydraRenderSystem>();
std::shared_ptr<HydraDirectionalShadowSourceSystem> shadow_system = ecs->GetSystem<HydraDirectionalShadowSourceSystem>();
for (HydraID entity_id : shadow_system->Entities)
{
_UpdateUBO(shadow_idx);
// _BindFrameBufferAttachments(entity_id);
HydraDirectionalShadowSourceComponent shad_comp = GetEngine()->ECS()->GetComponent<HydraDirectionalShadowSourceComponent>(entity_id);
HydraLightComponent light_comp = GetEngine()->ECS()->GetComponent<HydraLightComponent>(entity_id);
_UpdateUBO(light_comp.shadow_map_id);
glBindFramebuffer(GL_FRAMEBUFFER, shad_comp.frame_buffer_id);
// HydraTextureBuffer tex_buffer = GetEngine()->TextureBufferManager()->GetTexture(shad_comp.shadow_texture_id);
// glBindTextureUnit(tex_buffer.gl_tex_id, 0);
float depth_value = 1.0f;
float clear_colour[] = {0,0,0};
glClearNamedFramebufferfv(shad_comp.frame_buffer_id, GL_DEPTH, 0, &depth_value);
glClearNamedFramebufferfv(shad_comp.frame_buffer_id, GL_COLOR, 0, clear_colour);
for (uint32_t rs_idx = 0; rs_idx < m_render_stages.size(); rs_idx++)
{
m_render_stages[rs_idx]->Render(render_system->Entities, INVALID_HYDRA_ID);
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
shadow_idx++;
m_render_stages[DIRECTIONAL_RENDER_STAGE]->Render(render_system->Entities, INVALID_HYDRA_ID);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
// glDisable(GL_POLYGON_OFFSET_FILL);
}
void HydraShadowPipeline::_CreateRenderStage()
void HydraShadowPipeline::_RenderSpotShadowMaps()
{
HydraECS *ecs = GetEngine()->ECS();
std::shared_ptr<HydraRenderSystem> render_system = ecs->GetSystem<HydraRenderSystem>();
std::shared_ptr<HydraSpotShadowSourceSystem> shadow_system = ecs->GetSystem<HydraSpotShadowSourceSystem>();
for (HydraID entity_id : shadow_system->Entities)
{
HydraSpotShadowSourceComponent shad_comp = GetEngine()->ECS()->GetComponent<HydraSpotShadowSourceComponent>(entity_id);
HydraLightComponent light_comp = GetEngine()->ECS()->GetComponent<HydraLightComponent>(entity_id);
_UpdateUBO(light_comp.shadow_map_id);
glBindFramebuffer(GL_FRAMEBUFFER, shad_comp.frame_buffer_id);
float depth_value = 1.0f;
float clear_colour[] = {0,0,0};
glClearNamedFramebufferfv(shad_comp.frame_buffer_id, GL_DEPTH, 0, &depth_value);
glClearNamedFramebufferfv(shad_comp.frame_buffer_id, GL_COLOR, 0, clear_colour);
m_render_stages[SPOT_RENDER_STAGE]->Render(render_system->Entities, INVALID_HYDRA_ID);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
}
void HydraShadowPipeline::_CreateDirectionalRenderStage()
{
HydraRenderStage *render_stage = new HydraRenderStage();
std::string shader_path = std::string(shader_base);
@@ -120,9 +140,64 @@ void HydraShadowPipeline::_CreateRenderStage()
GL_FRONT,
true,
HYDRA_RENDERABLE_TYPE::HYDRA_COLOUR);
m_render_stages.push_back(render_stage);
m_render_stages[DIRECTIONAL_RENDER_STAGE] = render_stage;
}
void HydraShadowPipeline::_CreateSpotRenderStage()
{
HydraRenderStage *render_stage = new HydraRenderStage();
std::string shader_path = std::string(shader_base);
HydraBufferManager *buffer_manager = GetEngine()->BufferManager();
HydraID pos_buffer_id = buffer_manager->FindBuffer("PositionsBuffer");
HydraID mat_buffer_id = buffer_manager->FindBuffer("MaterialBuffer");
HydraID tex_buffer_id = buffer_manager->FindBuffer("TextureBuffer");
HydraID shadow_buffer_id = buffer_manager->FindBuffer("ShadowBuffer");
HydraID per_frame_buffer_id = buffer_manager->FindBuffer("ShadowPerFrameUBO");
HydraShaderBinding shader_binding = {};
shader_binding.block_name.push_back("positions_buffer");
shader_binding.binding_point.push_back(1);
shader_binding.buffer_id.push_back(pos_buffer_id);
shader_binding.buffer_type.push_back(HYDRA_BUFFER_TYPE::HYDRA_SSBO_BUFFER);
shader_binding.block_name.push_back("material_buffer");
shader_binding.binding_point.push_back(2);
shader_binding.buffer_id.push_back(mat_buffer_id);
shader_binding.buffer_type.push_back(HYDRA_BUFFER_TYPE::HYDRA_SSBO_BUFFER);
shader_binding.block_name.push_back("texture_buffer");
shader_binding.binding_point.push_back(3);
shader_binding.buffer_id.push_back(tex_buffer_id);
shader_binding.buffer_type.push_back(HYDRA_BUFFER_TYPE::HYDRA_SSBO_BUFFER);
shader_binding.block_name.push_back("shadow_map_sets");
shader_binding.binding_point.push_back(5);
shader_binding.buffer_id.push_back(shadow_buffer_id);
shader_binding.buffer_type.push_back(HYDRA_BUFFER_TYPE::HYDRA_SSBO_BUFFER);
shader_binding.block_name.push_back("shadow_per_frame");
shader_binding.binding_point.push_back(1);
shader_binding.buffer_id.push_back(per_frame_buffer_id);
shader_binding.buffer_type.push_back(HYDRA_BUFFER_TYPE::HYDRA_UBO_BUFFER);
std::vector<uint32_t> textures;
render_stage->Initialise(shader_path + "shadow_spot_shader.vert",
shader_path + "shadow_spot_shader.frag",
"",
shader_binding,
0,
textures,
true,
GL_FRONT,
true,
HYDRA_RENDERABLE_TYPE::HYDRA_COLOUR);
m_render_stages[SPOT_RENDER_STAGE] = render_stage;
}
void HydraShadowPipeline::_UpdateUBO(uint32_t shadow_idx)
{
HydraBufferManager *buffer_manager = GetEngine()->BufferManager();
HydraEngine/source/pipeline/HydraShadowPipeline.h
+7 -2
View File
@@ -18,11 +18,16 @@ class HydraShadowPipeline : public HydraPipeline
void Render() override;
private:
void _CreateUBOs();
void _CreateRenderStage();
void _CreateSpotRenderStage();
void _CreateDirectionalRenderStage();
void _UpdateUBO(uint32_t shadow_idx);
void _BindFrameBufferAttachments(HydraID entity_id);
void _RenderDirectionalShadowMaps();
void _RenderSpotShadowMaps();
HydraID m_per_frame_ubo = INVALID_HYDRA_ID;
const uint32_t DIRECTIONAL_RENDER_STAGE = 0;
const uint32_t SPOT_RENDER_STAGE = 1;
};