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Diffstat (limited to 'Samples/OculusRoomTiny/RenderTiny_Device.cpp')
| -rw-r--r-- | Samples/OculusRoomTiny/RenderTiny_Device.cpp | 442 |
1 files changed, 0 insertions, 442 deletions
diff --git a/Samples/OculusRoomTiny/RenderTiny_Device.cpp b/Samples/OculusRoomTiny/RenderTiny_Device.cpp deleted file mode 100644 index 2c363c2..0000000 --- a/Samples/OculusRoomTiny/RenderTiny_Device.cpp +++ /dev/null @@ -1,442 +0,0 @@ -/************************************************************************************ - -Filename : RenderTiny_Device.cpp -Content : Platform renderer for simple scene graph - implementation -Created : September 6, 2012 -Authors : Andrew Reisse - -Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - -http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. - -************************************************************************************/ - -#include "RenderTiny_Device.h" - -#include "Kernel/OVR_Log.h" - -namespace OVR { namespace RenderTiny { - -void Model::Render(const Matrix4f& ltw, RenderDevice* ren) -{ - if (Visible) - { - Matrix4f m = ltw * GetMatrix(); - ren->Render(m, this); - } -} - -void Container::Render(const Matrix4f& ltw, RenderDevice* ren) -{ - Matrix4f m = ltw * GetMatrix(); - for(unsigned i = 0; i < Nodes.GetSize(); i++) - { - Nodes[i]->Render(m, ren); - } -} - -void Scene::Render(RenderDevice* ren, const Matrix4f& view) -{ - Lighting.Update(view, LightPos); - - ren->SetLighting(&Lighting); - - World.Render(view, ren); -} - - - -UInt16 CubeIndices[] = -{ - 0, 1, 3, - 3, 1, 2, - - 5, 4, 6, - 6, 4, 7, - - 8, 9, 11, - 11, 9, 10, - - 13, 12, 14, - 14, 12, 15, - - 16, 17, 19, - 19, 17, 18, - - 21, 20, 22, - 22, 20, 23 -}; - - -void Model::AddSolidColorBox(float x1, float y1, float z1, - float x2, float y2, float z2, - Color c) -{ - float t; - - if(x1 > x2) - { - t = x1; - x1 = x2; - x2 = t; - } - if(y1 > y2) - { - t = y1; - y1 = y2; - y2 = t; - } - if(z1 > z2) - { - t = z1; - z1 = z2; - z2 = t; - } - - // Cube vertices and their normals. - Vector3f CubeVertices[][3] = - { - Vector3f(x1, y2, z1), Vector3f(z1, x1), Vector3f(0.0f, 1.0f, 0.0f), - Vector3f(x2, y2, z1), Vector3f(z1, x2), Vector3f(0.0f, 1.0f, 0.0f), - Vector3f(x2, y2, z2), Vector3f(z2, x2), Vector3f(0.0f, 1.0f, 0.0f), - Vector3f(x1, y2, z2), Vector3f(z2, x1), Vector3f(0.0f, 1.0f, 0.0f), - - Vector3f(x1, y1, z1), Vector3f(z1, x1), Vector3f(0.0f, -1.0f, 0.0f), - Vector3f(x2, y1, z1), Vector3f(z1, x2), Vector3f(0.0f, -1.0f, 0.0f), - Vector3f(x2, y1, z2), Vector3f(z2, x2), Vector3f(0.0f, -1.0f, 0.0f), - Vector3f(x1, y1, z2), Vector3f(z2, x1), Vector3f(0.0f, -1.0f, 0.0f), - - Vector3f(x1, y1, z2), Vector3f(z2, y1), Vector3f(-1.0f, 0.0f, 0.0f), - Vector3f(x1, y1, z1), Vector3f(z1, y1), Vector3f(-1.0f, 0.0f, 0.0f), - Vector3f(x1, y2, z1), Vector3f(z1, y2), Vector3f(-1.0f, 0.0f, 0.0f), - Vector3f(x1, y2, z2), Vector3f(z2, y2), Vector3f(-1.0f, 0.0f, 0.0f), - - Vector3f(x2, y1, z2), Vector3f(z2, y1), Vector3f(1.0f, 0.0f, 0.0f), - Vector3f(x2, y1, z1), Vector3f(z1, y1), Vector3f(1.0f, 0.0f, 0.0f), - Vector3f(x2, y2, z1), Vector3f(z1, y2), Vector3f(1.0f, 0.0f, 0.0f), - Vector3f(x2, y2, z2), Vector3f(z2, y2), Vector3f(1.0f, 0.0f, 0.0f), - - Vector3f(x1, y1, z1), Vector3f(x1, y1), Vector3f(0.0f, 0.0f, -1.0f), - Vector3f(x2, y1, z1), Vector3f(x2, y1), Vector3f(0.0f, 0.0f, -1.0f), - Vector3f(x2, y2, z1), Vector3f(x2, y2), Vector3f(0.0f, 0.0f, -1.0f), - Vector3f(x1, y2, z1), Vector3f(x1, y2), Vector3f(0.0f, 0.0f, -1.0f), - - Vector3f(x1, y1, z2), Vector3f(x1, y1), Vector3f(0.0f, 0.0f, 1.0f), - Vector3f(x2, y1, z2), Vector3f(x2, y1), Vector3f(0.0f, 0.0f, 1.0f), - Vector3f(x2, y2, z2), Vector3f(x2, y2), Vector3f(0.0f, 0.0f, 1.0f), - Vector3f(x1, y2, z2), Vector3f(x1, y2), Vector3f(0.0f, 0.0f, 1.0f) - }; - - - UInt16 startIndex = GetNextVertexIndex(); - - enum - { - CubeVertexCount = sizeof(CubeVertices) / sizeof(CubeVertices[0]), - CubeIndexCount = sizeof(CubeIndices) / sizeof(CubeIndices[0]) - }; - - for(int v = 0; v < CubeVertexCount; v++) - { - AddVertex(Vertex(CubeVertices[v][0], c, CubeVertices[v][1].x, CubeVertices[v][1].y, CubeVertices[v][2])); - } - - // Renumber indices - for(int i = 0; i < CubeIndexCount / 3; i++) - { - AddTriangle(CubeIndices[i * 3] + startIndex, - CubeIndices[i * 3 + 1] + startIndex, - CubeIndices[i * 3 + 2] + startIndex); - } -} - - -//------------------------------------------------------------------------------------- - - -void ShaderFill::Set(PrimitiveType prim) const -{ - Shaders->Set(prim); - for(int i = 0; i < 8; i++) - { - if(Textures[i]) - { - Textures[i]->Set(i); - } - } -} - - - -//------------------------------------------------------------------------------------- -// ***** Rendering - - -RenderDevice::RenderDevice() - : CurPostProcess(PostProcess_None), - SceneColorTexW(0), SceneColorTexH(0), - SceneRenderScale(1), - Distortion(1.0f, 0.18f, 0.115f), - PostProcessShaderActive(PostProcessShader_DistortionAndChromAb) -{ - PostProcessShaderRequested = PostProcessShaderActive; -} - -ShaderFill* RenderDevice::CreateTextureFill(RenderTiny::Texture* t) -{ - ShaderSet* shaders = CreateShaderSet(); - shaders->SetShader(LoadBuiltinShader(Shader_Vertex, VShader_MVP)); - shaders->SetShader(LoadBuiltinShader(Shader_Fragment, FShader_Texture)); - ShaderFill* f = new ShaderFill(*shaders); - f->SetTexture(0, t); - return f; -} - -void RenderDevice::SetLighting(const LightingParams* lt) -{ - if (!LightingBuffer) - LightingBuffer = *CreateBuffer(); - - LightingBuffer->Data(Buffer_Uniform, lt, sizeof(LightingParams)); - SetCommonUniformBuffer(1, LightingBuffer); -} - - - -void RenderDevice::SetSceneRenderScale(float ss) -{ - SceneRenderScale = ss; - pSceneColorTex = NULL; -} - -void RenderDevice::SetViewport(const Viewport& vp) -{ - VP = vp; - - if (CurPostProcess == PostProcess_Distortion) - { - Viewport svp = vp; - svp.w = (int)ceil(SceneRenderScale * vp.w); - svp.h = (int)ceil(SceneRenderScale * vp.h); - svp.x = (int)ceil(SceneRenderScale * vp.x); - svp.y = (int)ceil(SceneRenderScale * vp.y); - SetRealViewport(svp); - } - else - { - SetRealViewport(vp); - } -} - - -bool RenderDevice::initPostProcessSupport(PostProcessType pptype) -{ - if (pptype != PostProcess_Distortion) - return true; - - - if (PostProcessShaderRequested != PostProcessShaderActive) - { - pPostProcessShader.Clear(); - PostProcessShaderActive = PostProcessShaderRequested; - } - - if (!pPostProcessShader) - { - Shader *vs = LoadBuiltinShader(Shader_Vertex, VShader_PostProcess); - - Shader *ppfs = NULL; - if (PostProcessShaderActive == PostProcessShader_Distortion) - { - ppfs = LoadBuiltinShader(Shader_Fragment, FShader_PostProcess); - } - else if (PostProcessShaderActive == PostProcessShader_DistortionAndChromAb) - { - ppfs = LoadBuiltinShader(Shader_Fragment, FShader_PostProcessWithChromAb); - } - else - OVR_ASSERT(false); - - pPostProcessShader = *CreateShaderSet(); - pPostProcessShader->SetShader(vs); - pPostProcessShader->SetShader(ppfs); - } - - - int texw = (int)ceil(SceneRenderScale * WindowWidth), - texh = (int)ceil(SceneRenderScale * WindowHeight); - - // If pSceneColorTex is already created and is of correct size, we are done. - // It's important to check width/height in case window size changed. - if (pSceneColorTex && (texw == SceneColorTexW) && (texh == SceneColorTexH)) - { - return true; - } - - pSceneColorTex = *CreateTexture(Texture_RGBA | Texture_RenderTarget | Params.Multisample, - texw, texh, NULL); - if (!pSceneColorTex) - { - return false; - } - SceneColorTexW = texw; - SceneColorTexH = texh; - pSceneColorTex->SetSampleMode(Sample_ClampBorder | Sample_Linear); - - - if (!pFullScreenVertexBuffer) - { - pFullScreenVertexBuffer = *CreateBuffer(); - const RenderTiny::Vertex QuadVertices[] = - { - Vertex(Vector3f(0, 1, 0), Color(1, 1, 1, 1), 0, 0), - Vertex(Vector3f(1, 1, 0), Color(1, 1, 1, 1), 1, 0), - Vertex(Vector3f(0, 0, 0), Color(1, 1, 1, 1), 0, 1), - Vertex(Vector3f(1, 0, 0), Color(1, 1, 1, 1), 1, 1) - }; - pFullScreenVertexBuffer->Data(Buffer_Vertex, QuadVertices, sizeof(QuadVertices)); - } - return true; -} - -void RenderDevice::SetProjection(const Matrix4f& proj) -{ - Proj = proj; - SetWorldUniforms(proj); -} - -void RenderDevice::BeginScene(PostProcessType pptype) -{ - BeginRendering(); - - if ((pptype != PostProcess_None) && initPostProcessSupport(pptype)) - { - CurPostProcess = pptype; - } - else - { - CurPostProcess = PostProcess_None; - } - - if (CurPostProcess == PostProcess_Distortion) - { - SetRenderTarget(pSceneColorTex); - SetViewport(VP); - } - else - { - SetRenderTarget(0); - } - - SetWorldUniforms(Proj); -} - -void RenderDevice::FinishScene() -{ - if (CurPostProcess == PostProcess_None) - return; - - SetRenderTarget(0); - SetRealViewport(VP); - FinishScene1(); - - CurPostProcess = PostProcess_None; -} - - - -void RenderDevice::FinishScene1() -{ - // Clear with black - Clear(0.0f, 0.0f, 0.0f, 1.0f); - - float w = float(VP.w) / float(WindowWidth), - h = float(VP.h) / float(WindowHeight), - x = float(VP.x) / float(WindowWidth), - y = float(VP.y) / float(WindowHeight); - - float as = float(VP.w) / float(VP.h); - - // We are using 1/4 of DistortionCenter offset value here, since it is - // relative to [-1,1] range that gets mapped to [0, 0.5]. - pPostProcessShader->SetUniform2f("LensCenter", - x + (w + Distortion.XCenterOffset * 0.5f)*0.5f, y + h*0.5f); - pPostProcessShader->SetUniform2f("ScreenCenter", x + w*0.5f, y + h*0.5f); - - // MA: This is more correct but we would need higher-res texture vertically; we should adopt this - // once we have asymmetric input texture scale. - float scaleFactor = 1.0f / Distortion.Scale; - - pPostProcessShader->SetUniform2f("Scale", (w/2) * scaleFactor, (h/2) * scaleFactor * as); - pPostProcessShader->SetUniform2f("ScaleIn", (2/w), (2/h) / as); - - pPostProcessShader->SetUniform4f("HmdWarpParam", - Distortion.K[0], Distortion.K[1], Distortion.K[2], Distortion.K[3]); - - if (PostProcessShaderRequested == PostProcessShader_DistortionAndChromAb) - { - pPostProcessShader->SetUniform4f("ChromAbParam", - Distortion.ChromaticAberration[0], - Distortion.ChromaticAberration[1], - Distortion.ChromaticAberration[2], - Distortion.ChromaticAberration[3]); - } - - Matrix4f texm(w, 0, 0, x, - 0, h, 0, y, - 0, 0, 0, 0, - 0, 0, 0, 1); - pPostProcessShader->SetUniform4x4f("Texm", texm); - - Matrix4f view(2, 0, 0, -1, - 0, 2, 0, -1, - 0, 0, 0, 0, - 0, 0, 0, 1); - - ShaderFill fill(pPostProcessShader); - fill.SetTexture(0, pSceneColorTex); - Render(&fill, pFullScreenVertexBuffer, NULL, view, 0, 4, Prim_TriangleStrip); -} - - -int GetNumMipLevels(int w, int h) -{ - int n = 1; - while(w > 1 || h > 1) - { - w >>= 1; - h >>= 1; - n++; - } - return n; -} - -void FilterRgba2x2(const UByte* src, int w, int h, UByte* dest) -{ - for(int j = 0; j < (h & ~1); j += 2) - { - const UByte* psrc = src + (w * j * 4); - UByte* pdest = dest + ((w >> 1) * (j >> 1) * 4); - - for(int i = 0; i < w >> 1; i++, psrc += 8, pdest += 4) - { - pdest[0] = (((int)psrc[0]) + psrc[4] + psrc[w * 4 + 0] + psrc[w * 4 + 4]) >> 2; - pdest[1] = (((int)psrc[1]) + psrc[5] + psrc[w * 4 + 1] + psrc[w * 4 + 5]) >> 2; - pdest[2] = (((int)psrc[2]) + psrc[6] + psrc[w * 4 + 2] + psrc[w * 4 + 6]) >> 2; - pdest[3] = (((int)psrc[3]) + psrc[7] + psrc[w * 4 + 3] + psrc[w * 4 + 7]) >> 2; - } - } -} - - -}} |