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add RenderPass

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This commit is contained in:
Atdunbg
2025-11-29 20:03:32 +08:00
parent b2ea361518
commit 3f1515bb63
17 changed files with 362 additions and 82 deletions
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66
Editor/Editor/EditorLayer.cpp
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@ -113,8 +113,32 @@ namespace Prism
void EditorLayer::OnAttach()
{
// RenderPass
FramebufferSpecification geoFramebufferSpec;
geoFramebufferSpec.Width = 1280;
geoFramebufferSpec.Height = 720;
geoFramebufferSpec.Format = FramebufferFormat::RGBA16F;
geoFramebufferSpec.ClearColor = { 0.1f, 0.1f, 0.1f, 1.0f };
RenderPassSpecification geoRenderPassSpec;
geoRenderPassSpec.TargetFramebuffer = FrameBuffer::Create(geoFramebufferSpec);
m_GeoPass = RenderPass::Create(geoRenderPassSpec);
FramebufferSpecification compFramebufferSpec;
compFramebufferSpec.Width = 1280;
compFramebufferSpec.Height = 720;
compFramebufferSpec.Format = FramebufferFormat::RGBA8;
compFramebufferSpec.ClearColor = { 0.1f, 0.1f, 0.1f, 1.0f };
RenderPassSpecification compRenderPassSpec;
compRenderPassSpec.TargetFramebuffer = FrameBuffer::Create(compFramebufferSpec);
m_CompositePass = RenderPass::Create(compRenderPassSpec);
/*
m_Framebuffer.reset(FrameBuffer::Create(1280, 720, FramebufferFormat::RGBA16F));
m_FinalPresentBuffer.reset(FrameBuffer::Create(1280, 720, FramebufferFormat::RGBA8));
*/
m_QuadShader = Shader::Create("assets/shaders/quad.glsl");
m_HDRShader = Shader::Create("assets/shaders/hdr.glsl");
@ -151,7 +175,7 @@ namespace Prism
mi->Set("u_Roughness", roughness);
mi->Set("u_ModelMatrix", glm::translate(glm::mat4(1.0f), glm::vec3(x, 0.0f, 0.0f)));
x += 1.1f;
roughness += 0.15f;
roughness += 0.125f;
m_MetalSphereMaterialInstances.push_back(mi);
}
@ -165,26 +189,17 @@ namespace Prism
mi->Set("u_Roughness", roughness);
mi->Set("u_ModelMatrix", translate(glm::mat4(1.0f), glm::vec3(x, 1.2f, 0.0f)));
x += 1.1f;
roughness += 0.15f;
roughness += 0.125f;
m_DielectricSphereMaterialInstances.push_back(mi);
}
// Create Quad
x = -1;
float y = -1;
float width = 2, height = 2;
struct QuadVertex
{
glm::vec3 Position;
glm::vec2 TexCoord;
};
// Create Quad
static float QuadVertex[] = {
-1.0f, -1.0f, 0.0f, 0.0f, 0.0f,
1.0f, -1.0f, 0.0f, 1.0f, 0.0f,
1.0f, 1.0f, 0.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 0.0f, 0.0f, 1.0f
};
static uint32_t QuadIndices[] = {
0, 1, 2, 2, 3, 0
};
@ -225,7 +240,8 @@ namespace Prism
m_Camera.Update(deltaTime);
auto viewProjection = m_Camera.GetProjectionMatrix() * m_Camera.GetViewMatrix();
m_Framebuffer->Bind();
// m_Framebuffer->Bind();
Renderer::BeginRenderPass(m_GeoPass);
Renderer::Clear(m_ClearColor[0], m_ClearColor[1], m_ClearColor[2], m_ClearColor[3]);
m_QuadShader->Bind();
@ -252,7 +268,6 @@ namespace Prism
m_MeshMaterial->Set("u_MetalnessTexToggle", m_MetalnessInput.UseTexture ? 1.0f : 0.0f);
m_MeshMaterial->Set("u_RoughnessTexToggle", m_RoughnessInput.UseTexture ? 1.0f : 0.0f);
m_MeshMaterial->Set("u_EnvMapRotation", m_EnvMapRotation);
m_MeshMaterial->Set("u_EnvRadianceTex", m_EnvironmentCubeMap);
m_MeshMaterial->Set("u_EnvIrradianceTex", m_EnvironmentIrradiance);
m_MeshMaterial->Set("u_BRDFLUTTexture", m_BRDFLUT);
@ -317,19 +332,23 @@ namespace Prism
m_GridMaterial->Set("u_MVP", viewProjection * glm::scale(glm::mat4(1.0f), glm::vec3(16.0f)));
m_PlaneMesh->Render(deltaTime, m_GridMaterial);
m_Framebuffer->Unbind();
// m_Framebuffer->Unbind();
Renderer::EndRenderPass();
m_FinalPresentBuffer->Bind();
Renderer::BeginRenderPass(m_CompositePass);
// m_FinalPresentBuffer->Bind();
m_HDRShader->Bind();
m_HDRShader->SetFloat("u_Exposure", m_Exposure);
m_Framebuffer->BindTexture();
// m_Framebuffer->BindTexture();
m_GeoPass->GetSpecification().TargetFramebuffer->BindTexture();
/*
m_VertexBuffer->Bind();
m_IndexBuffer->Bind();
*/
m_FullscreenQuadVertexArray->Bind();
Renderer::DrawIndexed(m_FullscreenQuadVertexArray->GetIndexBuffer()->GetCount(), false);
m_FinalPresentBuffer->Unbind();
// m_FinalPresentBuffer->Unbind();
Renderer::EndRenderPass();
}
}
@ -681,10 +700,15 @@ namespace Prism
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
ImGui::Begin("Viewport");
auto viewportSize = ImGui::GetContentRegionAvail();
m_Framebuffer->Resize((uint32_t)viewportSize.x, (uint32_t)viewportSize.y);
m_FinalPresentBuffer->Resize((uint32_t)viewportSize.x, (uint32_t)viewportSize.y);
m_GeoPass->GetSpecification().TargetFramebuffer->Resize((uint32_t)viewportSize.x, (uint32_t)viewportSize.y);
m_CompositePass->GetSpecification().TargetFramebuffer->Resize((uint32_t)viewportSize.x, (uint32_t)viewportSize.y);
// m_Framebuffer->Resize((uint32_t)viewportSize.x, (uint32_t)viewportSize.y);
// m_FinalPresentBuffer->Resize((uint32_t)viewportSize.x, (uint32_t)viewportSize.y);
m_Camera.SetProjectionMatrix(glm::perspectiveFov(glm::radians(45.0f), viewportSize.x, viewportSize.y, 0.1f, 10000.0f));
ImGui::Image((ImTextureRef)m_FinalPresentBuffer->GetColorAttachmentRendererID(), viewportSize, {0, 1}, {1, 0});
// ImGui::Image((ImTextureRef)m_FinalPresentBuffer->GetColorAttachmentRendererID(), viewportSize, {0, 1}, {1, 0});
ImGui::Image((ImTextureRef)m_CompositePass->GetSpecification().TargetFramebuffer->GetColorAttachmentRendererID(), viewportSize, { 0, 1 }, { 1, 0 });
// ImGuizmo
if (m_GizmoType != -1)

3
Editor/Editor/EditorLayer.h
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@ -27,7 +27,8 @@ private:
private:
float m_ClearColor[4];
Ref<FrameBuffer> m_Framebuffer, m_FinalPresentBuffer;
// Ref<FrameBuffer> m_Framebuffer, m_FinalPresentBuffer;
Ref<RenderPass> m_GeoPass, m_CompositePass;
/*
Ref<VertexBuffer> m_VertexBuffer;