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Point light working

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This commit is contained in:
Confideo-IOM
2026-08-16 13:47:11 +01:00
parent f9b696f9e8
commit 98ff54c106
50 changed files with 1187 additions and 357 deletions
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HydraEngine/source/pipeline/HydraShadowPipeline.cpp
+83 -7
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@@ -13,6 +13,7 @@
#include "../ecs/systems/HydraRenderSystem.h"
#include "../ecs/systems/HydraDirectionalShadowSourceSystem.h"
#include "../ecs/systems/HydraSpotShadowSourceSystem.h"
#include "../ecs/systems/HydraPointShadowSourceSystem.h"
#include "../ecs/components/HydraLightComponent.h"
#include "../mesh/StandardVertex.h"
#include "../actor/HydraActorManager.h"
@@ -20,10 +21,11 @@
void HydraShadowPipeline::Initialise()
{
m_render_stages.resize(2);
m_render_stages.resize(3);
_CreateUBOs();
_CreateDirectionalRenderStage();
_CreateSpotRenderStage();
_CreatePointRenderStage();
}
void HydraShadowPipeline::Shutdown()
@@ -40,9 +42,33 @@ void HydraShadowPipeline::Render()
_RenderDirectionalShadowMaps();
_RenderSpotShadowMaps();
_RenderPointShadowMaps();
}
void HydraShadowPipeline::_RenderPointShadowMaps()
{
HydraECS *ecs = GetEngine()->ECS();
std::shared_ptr<HydraRenderSystem> render_system = ecs->GetSystem<HydraRenderSystem>();
std::shared_ptr<HydraPointShadowSourceSystem> shadow_system = ecs->GetSystem<HydraPointShadowSourceSystem>();
for (HydraID entity_id : shadow_system->Entities)
{
HydraPointShadowSourceComponent shad_comp = GetEngine()->ECS()->GetComponent<HydraPointShadowSourceComponent>(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;
glClear(GL_DEPTH_BUFFER_BIT);
m_render_stages[POINT_RENDER_STAGE]->Render(render_system->Entities, INVALID_HYDRA_ID);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
}
void HydraShadowPipeline::_RenderDirectionalShadowMaps()
{
HydraECS *ecs = GetEngine()->ECS();
@@ -58,9 +84,7 @@ void HydraShadowPipeline::_RenderDirectionalShadowMaps()
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[DIRECTIONAL_RENDER_STAGE]->Render(render_system->Entities, INVALID_HYDRA_ID);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
@@ -81,14 +105,66 @@ void HydraShadowPipeline::_RenderSpotShadowMaps()
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::_CreatePointRenderStage()
{
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("PointShadowBuffer");
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("point_shadow_map_sets");
shader_binding.binding_point.push_back(7);
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_point_shader.vert",
shader_path + "shadow_point_shader.frag",
shader_path + "shadow_point_shader.geom",
shader_binding,
0,
textures,
true,
GL_BACK,
true,
HYDRA_RENDERABLE_TYPE::HYDRA_COLOUR);
m_render_stages[POINT_RENDER_STAGE] = render_stage;
}
void HydraShadowPipeline::_CreateDirectionalRenderStage()
{
HydraRenderStage *render_stage = new HydraRenderStage();
@@ -137,7 +213,7 @@ void HydraShadowPipeline::_CreateDirectionalRenderStage()
0,
textures,
true,
GL_FRONT,
GL_BACK,
true,
HYDRA_RENDERABLE_TYPE::HYDRA_COLOUR);
m_render_stages[DIRECTIONAL_RENDER_STAGE] = render_stage;
@@ -191,7 +267,7 @@ void HydraShadowPipeline::_CreateSpotRenderStage()
0,
textures,
true,
GL_FRONT,
GL_BACK,
true,
HYDRA_RENDERABLE_TYPE::HYDRA_COLOUR);
m_render_stages[SPOT_RENDER_STAGE] = render_stage;