[Renderer] background dynamic

Author: MetsukiMio

bootassets/openminecraft-renderer/shaders/core/voxel/sky.frag.glsl

@@ -0,0 +1,19 @@
+#version 330 core
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec3 discColor;
+layout(location = 0) out vec4 outColor;
+
+uniform SkyDiscData
+{
+    vec3 diskCenterColor;
+    float discRange;
+    vec3 diskSideColor;
+    float discHeight;
+}
+disc;
+
+void main()
+{
+    outColor = vec4(disc.diskSideColor, 1.0);
+}

bootassets/openminecraft-renderer/shaders/core/voxel/sky.vert.glsl

@@ -0,0 +1,12 @@
+#version 330 core
+#extension GL_ARB_separate_shader_objects : enable
+
+#include "basics/vertexgen.glsl"
+
+layout(location = 0) out vec2 texCoord;
+
+void main()
+{
+    gl_Position = vec4(vertexgen_quad_ndc(), 0.0, 1.0);
+    texCoord = vertexgen_quad_normal();
+}

include/openminecraft/renderer/common/wrap/om_renderer_voxel.hpp

@@ -396,6 +396,7 @@ class OMVoxelManager
     OMRendererPipeline *composePipeline;
     OMRendererPipeline *skyDiscPipeline;
     OMRendererPipeline *lightmapPipeline;
+    OMRendererPipeline *skyPipeline;
     OMRendererBuffer *chunkoffs, *debugoffs;
     OMRendererBuffer *skydisc;
     OMRendererBuffer *fogdata;

src/openminecraft-core/renderer/common/wrap/om_renderer_voxel_manager.cpp

@@ -236,6 +236,19 @@ OMVoxelManager::OMVoxelManager(OMRenderer *renderer, OMRendererRenderTarget *res
                            ->depth(false, false)
                            ->buildN();
 
+    skyPipeline =
+        renderer->createPipeline()
+            ->input(UniformBuffer)
+            ->inputName("SkyDiscData")
+            ->output(cutoutTargetMS->target)
+            ->samples(samples)
+            ->shader(renderer->shaderManager.preprocess("core/voxel/sky.frag.glsl", Fragment, GLSLSource, simpleFormat))
+            ->shader(renderer->shaderManager.preprocess("core/voxel/sky.vert.glsl", Vertex, GLSLSource, simpleFormat))
+            ->format(simpleFormat)
+            ->blend(false)
+            ->depth(false, false)
+            ->buildN();
+
     composePipeline = renderer->createPipeline()
                           ->input(ImageSampler)
                           ->inputName("inTextureCutout")
@@ -309,9 +322,11 @@ OMVoxelManager::OMVoxelManager(OMRenderer *renderer, OMRendererRenderTarget *res
     translucentComplexPipeline->bindInput(5, lightmap->colorTexture);
     skyDiscPipeline->bindInput(1, skydisc);
     lightmapPipeline->bindInput(0, lightmapData);
+    skyPipeline->bindInput(0, skydisc);
 }
 OMVoxelManager::~OMVoxelManager()
 {
+    delete skyPipeline;
     delete lightmap;
     delete lightmapPipeline;
     delete lightmapData;
@@ -450,9 +465,11 @@ auto OMVoxelManager::submit(OMRendererTask *task, OMRendererTempTarget *resolveT
     auto tsk = task->target(lightmap->target)
                    ->pipeline(lightmapPipeline)
                    ->drawN(6)
-                   ->clearColor({0.198f, 0.371f, 1.0f, 1.0f})
+                   ->clearColor({0.0f, 0.0f, 0.0f, 0.0f})
                    ->clearDepth(0.0f)
                    ->target(cutoutTargetMS->target)
+                   ->pipeline(skyPipeline)
+                   ->drawN(6)
                    ->pipeline(skyDiscPipeline)
                    ->drawN(24)
                    ->pipeline(pipeline)

src/openminecraft/application.cpp

@@ -107,7 +107,7 @@ void OMApplication::mainLoop(OMBackend backend)
         auto camera = std::make_shared<basics::OMCamera>(win(), glm::vec3{-1.0f, 5.0f, -1.0f}, 45.0f, -45.0f);
 
         auto chunkManager = std::make_shared<world::OMChunkManager<16>>();
-        int radius = 8;
+        int radius = 4;
         for (int cx = -radius; cx < radius; ++cx)
         {
             for (int cy = -radius; cy < radius; ++cy)