diff options
Diffstat (limited to 'examples/oculus_glfw_sample/rlgl.c')
| -rw-r--r-- | examples/oculus_glfw_sample/rlgl.c | 421 |
1 files changed, 413 insertions, 8 deletions
diff --git a/examples/oculus_glfw_sample/rlgl.c b/examples/oculus_glfw_sample/rlgl.c index 72225634..1e392889 100644 --- a/examples/oculus_glfw_sample/rlgl.c +++ b/examples/oculus_glfw_sample/rlgl.c @@ -72,6 +72,10 @@ #include "standard_shader.h" // Standard shader to embed #endif +#if defined(RLGL_OCULUS_SUPPORT) + #include "external/OculusSDK/LibOVR/Include/OVR_CAPI_GL.h" // Oculus SDK for OpenGL +#endif + //---------------------------------------------------------------------------------- // Defines and Macros //---------------------------------------------------------------------------------- @@ -159,11 +163,45 @@ typedef struct { // Draw call type // NOTE: Used to track required draw-calls, organized by texture typedef struct { - GLuint textureId; int vertexCount; - // TODO: Store draw state -> blending mode, shader + GLuint vaoId; + GLuint textureId; + GLuint shaderId; + + Matrix projection; + Matrix modelview; + + // TODO: Store additional draw state data + //int blendMode; + //Guint fboId; } DrawCall; +#if defined(RLGL_OCULUS_SUPPORT) +typedef struct OculusBuffer { + ovrTextureSwapChain textureChain; + GLuint depthId; + GLuint fboId; + int width; + int height; +} OculusBuffer; + +typedef struct OculusMirror { + ovrMirrorTexture texture; + GLuint fboId; + int width; + int height; +} OculusMirror; + +typedef struct OculusLayer { + ovrViewScaleDesc viewScaleDesc; + ovrLayerEyeFov eyeLayer; // layer 0 + //ovrLayerQuad quadLayer; // TODO: layer 1: '2D' quad for GUI + Matrix eyeProjections[2]; + int width; + int height; +} OculusLayer; +#endif + //---------------------------------------------------------------------------------- // Global Variables Definition //---------------------------------------------------------------------------------- @@ -213,6 +251,17 @@ static Light lights[MAX_LIGHTS]; // Lights pool static int lightsCount; // Counts current enabled physic objects #endif +#if defined(RLGL_OCULUS_SUPPORT) +// OVR device variables +static ovrSession session; // Oculus session (pointer to ovrHmdStruct) +static ovrHmdDesc hmdDesc; // Oculus device descriptor parameters +static ovrGraphicsLuid luid; // Oculus locally unique identifier for the program (64 bit) +static OculusLayer layer; // Oculus drawing layer (similar to photoshop) +static OculusBuffer buffer; // Oculus internal buffers (texture chain and fbo) +static OculusMirror mirror; // Oculus mirror texture and fbo +static unsigned int frameIndex = 0; // Oculus frames counter, used to discard frames from chain +#endif + // Compressed textures support flags static bool texCompDXTSupported = false; // DDS texture compression support static bool npotSupported = false; // NPOT textures full support @@ -228,15 +277,14 @@ static PFNGLDELETEVERTEXARRAYSOESPROC glDeleteVertexArrays; static int blendMode = 0; // White texture useful for plain color polys (required by shader) -// NOTE: It's required in shapes and models modules! -unsigned int whiteTexture; +static unsigned int whiteTexture; //---------------------------------------------------------------------------------- // Module specific Functions Declaration //---------------------------------------------------------------------------------- #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) static void LoadCompressedTexture(unsigned char *data, int width, int height, int mipmapCount, int compressedFormat); -static unsigned int LoadShaderProgram(char *vShaderStr, char *fShaderStr); // Load custom shader strings and return program id +static unsigned int LoadShaderProgram(const char *vShaderStr, const char *fShaderStr); // Load custom shader strings and return program id static Shader LoadDefaultShader(void); // Load default shader (just vertex positioning and texture coloring) static Shader LoadStandardShader(void); // Load standard shader (support materials and lighting) @@ -254,6 +302,16 @@ static void SetShaderLights(Shader shader); // Sets shader uniform values for li static char *ReadTextFile(const char *fileName); #endif +#if defined(RLGL_OCULUS_SUPPORT) // Oculus Rift functions +static OculusBuffer LoadOculusBuffer(ovrSession session, int width, int height); // Load Oculus required buffers +static void UnloadOculusBuffer(ovrSession session, OculusBuffer buffer); // Unload texture required buffers +static OculusMirror LoadOculusMirror(ovrSession session, int width, int height); // Load Oculus mirror buffers +static void UnloadOculusMirror(ovrSession session, OculusMirror mirror); // Unload Oculus mirror buffers +static void BlitOculusMirror(ovrSession session, OculusMirror mirror); // Copy Oculus screen buffer to mirror texture +static OculusLayer InitOculusLayer(ovrSession session); // Init Oculus layer (similar to photoshop) +static Matrix FromOvrMatrix(ovrMatrix4f ovrM); // Convert from Oculus ovrMatrix4f struct to raymath Matrix struct +#endif + #if defined(GRAPHICS_API_OPENGL_11) static int GenerateMipmaps(unsigned char *data, int baseWidth, int baseHeight); static Color *GenNextMipmap(Color *srcData, int srcWidth, int srcHeight); @@ -1146,6 +1204,23 @@ void rlglInitGraphics(int offsetX, int offsetY, int width, int height) TraceLog(INFO, "OpenGL graphic device initialized successfully"); } +// Load OpenGL extensions +// NOTE: External loader function could be passed as a pointer +void rlglLoadExtensions(void *loader) +{ +#if defined(GRAPHICS_API_OPENGL_33) + // NOTE: glad is generated and contains only required OpenGL 3.3 Core extensions + if (!gladLoadGLLoader((GLADloadproc)loader)) TraceLog(WARNING, "GLAD: Cannot load OpenGL extensions"); + else TraceLog(INFO, "GLAD: OpenGL extensions loaded successfully"); + + if (GLAD_GL_VERSION_3_3) TraceLog(INFO, "OpenGL 3.3 Core profile supported"); + else TraceLog(ERROR, "OpenGL 3.3 Core profile not supported"); + + // With GLAD, we can check if an extension is supported using the GLAD_GL_xxx booleans + //if (GLAD_GL_ARB_vertex_array_object) // Use GL_ARB_vertex_array_object +#endif +} + // Get world coordinates from screen coordinates Vector3 rlglUnproject(Vector3 source, Matrix proj, Matrix view) { @@ -1177,11 +1252,13 @@ unsigned int rlglLoadTexture(void *data, int width, int height, int textureForma GLuint id = 0; // Check texture format support by OpenGL 1.1 (compressed textures not supported) - if ((rlGetVersion() == OPENGL_11) && (textureFormat >= 8)) +#if defined(GRAPHICS_API_OPENGL_11) + if (textureFormat >= 8) { TraceLog(WARNING, "OpenGL 1.1 does not support GPU compressed texture formats"); return id; } +#endif if ((!texCompDXTSupported) && ((textureFormat == COMPRESSED_DXT1_RGB) || (textureFormat == COMPRESSED_DXT1_RGBA) || (textureFormat == COMPRESSED_DXT3_RGBA) || (textureFormat == COMPRESSED_DXT5_RGBA))) @@ -1795,8 +1872,13 @@ void rlglDrawMesh(Mesh mesh, Material material, Matrix transform) // NOTE: standard shader specific locations are got at render time to keep Shader struct as simple as possible (with just default shader locations) if (material.shader.id == standardShader.id) { + // Transpose and inverse model transformations matrix for fragment normal calculations + Matrix transInvTransform = transform; + MatrixTranspose(&transInvTransform); + MatrixInvert(&transInvTransform); + // Send model transformations matrix to shader - glUniformMatrix4fv(glGetUniformLocation(material.shader.id, "modelMatrix"), 1, false, MatrixToFloat(transform)); + glUniformMatrix4fv(glGetUniformLocation(material.shader.id, "modelMatrix"), 1, false, MatrixToFloat(transInvTransform)); // Send view transformation matrix to shader. View matrix 8, 9 and 10 are view direction vector axis values (target - position) glUniform3f(glGetUniformLocation(material.shader.id, "viewDir"), matView.m8, matView.m9, matView.m10); @@ -2095,6 +2177,24 @@ void *rlglReadTexturePixels(Texture2D texture) return pixels; } +/* +// TODO: Record draw calls to be processed in batch +// NOTE: Global state must be kept +void rlglRecordDraw(void) +{ + // TODO: Before adding a new draw, check if anything changed from last stored draw +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + draws[drawsCounter].vaoId = currentState.vaoId; // lines.id, trangles.id, quads.id? + draws[drawsCounter].textureId = currentState.textureId; // whiteTexture? + draws[drawsCounter].shaderId = currentState.shaderId; // defaultShader.id + draws[drawsCounter].projection = projection; + draws[drawsCounter].modelview = modelview; + draws[drawsCounter].vertexCount = currentState.vertexCount; + + drawsCounter++; +#endif +} +*/ //---------------------------------------------------------------------------------- // Module Functions Definition - Shaders Functions @@ -2361,6 +2461,130 @@ void DestroyLight(Light light) #endif } +#if defined(RLGL_OCULUS_SUPPORT) +// Init Oculus Rift device +// NOTE: Device initialization should be done before window creation? +void InitOculusDevice(void) +{ + // Initialize Oculus device + ovrResult result = ovr_Initialize(NULL); + if (OVR_FAILURE(result)) TraceLog(WARNING, "OVR: Could not initialize Oculus device"); + + result = ovr_Create(&session, &luid); + if (OVR_FAILURE(result)) + { + TraceLog(WARNING, "OVR: Could not create Oculus session"); + ovr_Shutdown(); + } + + hmdDesc = ovr_GetHmdDesc(session); + + TraceLog(INFO, "OVR: Product Name: %s", hmdDesc.ProductName); + TraceLog(INFO, "OVR: Manufacturer: %s", hmdDesc.Manufacturer); + TraceLog(INFO, "OVR: Product ID: %i", hmdDesc.ProductId); + TraceLog(INFO, "OVR: Product Type: %i", hmdDesc.Type); + //TraceLog(INFO, "OVR: Serial Number: %s", hmdDesc.SerialNumber); + TraceLog(INFO, "OVR: Resolution: %ix%i", hmdDesc.Resolution.w, hmdDesc.Resolution.h); + + // NOTE: Oculus mirror is set to defined screenWidth and screenHeight... + // ...ideally, it should be (hmdDesc.Resolution.w/2, hmdDesc.Resolution.h/2) + + // Initialize Oculus Buffers + layer = InitOculusLayer(session); + buffer = LoadOculusBuffer(session, layer.width, layer.height); + mirror = LoadOculusMirror(session, hmdDesc.Resolution.w/2, hmdDesc.Resolution.h/2); // NOTE: hardcoded... + layer.eyeLayer.ColorTexture[0] = buffer.textureChain; //SetOculusLayerTexture(eyeLayer, buffer.textureChain); + + // Recenter OVR tracking origin + ovr_RecenterTrackingOrigin(session); +} + +// Close Oculus Rift device +void CloseOculusDevice(void) +{ + UnloadOculusMirror(session, mirror); // Unload Oculus mirror buffer + UnloadOculusBuffer(session, buffer); // Unload Oculus texture buffers + + ovr_Destroy(session); // Free Oculus session data + ovr_Shutdown(); // Close Oculus device connection +} + +// Update Oculus Rift tracking (position and orientation) +void UpdateOculusTracking(void) +{ + frameIndex++; + + ovrPosef eyePoses[2]; + ovr_GetEyePoses(session, frameIndex, ovrTrue, layer.viewScaleDesc.HmdToEyeOffset, eyePoses, &layer.eyeLayer.SensorSampleTime); + + layer.eyeLayer.RenderPose[0] = eyePoses[0]; + layer.eyeLayer.RenderPose[1] = eyePoses[1]; +} + +void SetOculusMatrix(int eye) +{ + rlViewport(layer.eyeLayer.Viewport[eye].Pos.x, layer.eyeLayer.Viewport[eye].Pos.y, layer.eyeLayer.Viewport[eye].Size.w, layer.eyeLayer.Viewport[eye].Size.h); + + Quaternion eyeRPose = (Quaternion){ layer.eyeLayer.RenderPose[eye].Orientation.x, + layer.eyeLayer.RenderPose[eye].Orientation.y, + layer.eyeLayer.RenderPose[eye].Orientation.z, + layer.eyeLayer.RenderPose[eye].Orientation.w }; + QuaternionInvert(&eyeRPose); + Matrix eyeOrientation = QuaternionToMatrix(eyeRPose); + Matrix eyeTranslation = MatrixTranslate(-layer.eyeLayer.RenderPose[eye].Position.x, + -layer.eyeLayer.RenderPose[eye].Position.y, + -layer.eyeLayer.RenderPose[eye].Position.z); + + Matrix eyeView = MatrixMultiply(eyeTranslation, eyeOrientation); + Matrix modelEyeView = MatrixMultiply(modelview, eyeView); // Using internal camera modelview matrix + + SetMatrixModelview(modelEyeView); + SetMatrixProjection(layer.eyeProjections[eye]); +} + +void BeginOculusDrawing(void) +{ + GLuint currentTexId; + int currentIndex; + + ovr_GetTextureSwapChainCurrentIndex(session, buffer.textureChain, ¤tIndex); + ovr_GetTextureSwapChainBufferGL(session, buffer.textureChain, currentIndex, ¤tTexId); + + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, buffer.fboId); + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, currentTexId, 0); + //glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, buffer.depthId, 0); // Already binded + + //glViewport(0, 0, buffer.width, buffer.height); // Useful if rendering to separate framebuffers (every eye) + //glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Same as rlClearScreenBuffers() + + // NOTE: If your application is configured to treat the texture as a linear format (e.g. GL_RGBA) + // and performs linear-to-gamma conversion in GLSL or does not care about gamma-correction, then: + // - Require OculusBuffer format to be OVR_FORMAT_R8G8B8A8_UNORM_SRGB + // - Do NOT enable GL_FRAMEBUFFER_SRGB + //glEnable(GL_FRAMEBUFFER_SRGB); +} + +void EndOculusDrawing(void) +{ + glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + ovr_CommitTextureSwapChain(session, buffer.textureChain); + + ovrLayerHeader *layers = &layer.eyeLayer.Header; + ovr_SubmitFrame(session, frameIndex, &layer.viewScaleDesc, &layers, 1); + + // Blit mirror texture to back buffer + BlitOculusMirror(session, mirror); + + // Get session status information + ovrSessionStatus sessionStatus; + ovr_GetSessionStatus(session, &sessionStatus); + if (sessionStatus.ShouldQuit) TraceLog(WARNING, "OVR: Session should quit..."); + if (sessionStatus.ShouldRecenter) ovr_RecenterTrackingOrigin(session); +} +#endif + //---------------------------------------------------------------------------------- // Module specific Functions Definition //---------------------------------------------------------------------------------- @@ -2403,7 +2627,7 @@ static void LoadCompressedTexture(unsigned char *data, int width, int height, in } // Load custom shader strings and return program id -static unsigned int LoadShaderProgram(char *vShaderStr, char *fShaderStr) +static unsigned int LoadShaderProgram(const char *vShaderStr, const char *fShaderStr) { unsigned int program = 0; @@ -3341,6 +3565,187 @@ static Color *GenNextMipmap(Color *srcData, int srcWidth, int srcHeight) } #endif +#if defined(RLGL_OCULUS_SUPPORT) +// Load Oculus required buffers: texture-swap-chain, fbo, texture-depth +static OculusBuffer LoadOculusBuffer(ovrSession session, int width, int height) +{ + OculusBuffer buffer; + buffer.width = width; + buffer.height = height; + + // Create OVR texture chain + ovrTextureSwapChainDesc desc = {}; + desc.Type = ovrTexture_2D; + desc.ArraySize = 1; + desc.Width = width; + desc.Height = height; + desc.MipLevels = 1; + desc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB; // Requires glEnable(GL_FRAMEBUFFER_SRGB); + desc.SampleCount = 1; + desc.StaticImage = ovrFalse; + + ovrResult result = ovr_CreateTextureSwapChainGL(session, &desc, &buffer.textureChain); + + if (!OVR_SUCCESS(result)) TraceLog(WARNING, "OVR: Failed to create swap textures buffer"); + + int textureCount = 0; + ovr_GetTextureSwapChainLength(session, buffer.textureChain, &textureCount); + + if (!OVR_SUCCESS(result) || !textureCount) TraceLog(WARNING, "OVR: Unable to count swap chain textures"); + + for (int i = 0; i < textureCount; ++i) + { + GLuint chainTexId; + ovr_GetTextureSwapChainBufferGL(session, buffer.textureChain, i, &chainTexId); + glBindTexture(GL_TEXTURE_2D, chainTexId); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + } + + glBindTexture(GL_TEXTURE_2D, 0); + + /* + // Setup framebuffer object (using depth texture) + glGenFramebuffers(1, &buffer.fboId); + glGenTextures(1, &buffer.depthId); + glBindTexture(GL_TEXTURE_2D, buffer.depthId); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, buffer.width, buffer.height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); + */ + + // Setup framebuffer object (using depth renderbuffer) + glGenFramebuffers(1, &buffer.fboId); + glGenRenderbuffers(1, &buffer.depthId); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, buffer.fboId); + glBindRenderbuffer(GL_RENDERBUFFER, buffer.depthId); + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, buffer.width, buffer.height); + glBindRenderbuffer(GL_RENDERBUFFER, 0); + glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, buffer.depthId); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + + return buffer; +} + +// Unload texture required buffers +static void UnloadOculusBuffer(ovrSession session, OculusBuffer buffer) +{ + if (buffer.textureChain) + { + ovr_DestroyTextureSwapChain(session, buffer.textureChain); + buffer.textureChain = NULL; + } + + if (buffer.depthId != 0) glDeleteTextures(1, &buffer.depthId); + if (buffer.fboId != 0) glDeleteFramebuffers(1, &buffer.fboId); +} + +// Load Oculus mirror buffers +static OculusMirror LoadOculusMirror(ovrSession session, int width, int height) +{ + OculusMirror mirror; + mirror.width = width; + mirror.height = height; + + ovrMirrorTextureDesc mirrorDesc; + memset(&mirrorDesc, 0, sizeof(mirrorDesc)); + mirrorDesc.Format = OVR_FORMAT_R8G8B8A8_UNORM_SRGB; + mirrorDesc.Width = mirror.width; + mirrorDesc.Height = mirror.height; + + if (!OVR_SUCCESS(ovr_CreateMirrorTextureGL(session, &mirrorDesc, &mirror.texture))) TraceLog(WARNING, "Could not create mirror texture"); + + glGenFramebuffers(1, &mirror.fboId); + + return mirror; +} + +// Unload Oculus mirror buffers +static void UnloadOculusMirror(ovrSession session, OculusMirror mirror) +{ + if (mirror.fboId != 0) glDeleteFramebuffers(1, &mirror.fboId); + if (mirror.texture) ovr_DestroyMirrorTexture(session, mirror.texture); +} + +// Copy Oculus screen buffer to mirror texture +static void BlitOculusMirror(ovrSession session, OculusMirror mirror) +{ + GLuint mirrorTextureId; + + ovr_GetMirrorTextureBufferGL(session, mirror.texture, &mirrorTextureId); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, mirror.fboId); + glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mirrorTextureId, 0); + glBlitFramebuffer(0, 0, mirror.width, mirror.height, 0, mirror.height, mirror.width, 0, GL_COLOR_BUFFER_BIT, GL_NEAREST); + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); +} + +// Init Oculus layer (similar to photoshop) +static OculusLayer InitOculusLayer(ovrSession session) +{ + OculusLayer layer = { 0 }; + + layer.viewScaleDesc.HmdSpaceToWorldScaleInMeters = 1.0f; + + memset(&layer.eyeLayer, 0, sizeof(ovrLayerEyeFov)); + layer.eyeLayer.Header.Type = ovrLayerType_EyeFov; + layer.eyeLayer.Header.Flags = ovrLayerFlag_TextureOriginAtBottomLeft; + + ovrEyeRenderDesc eyeRenderDescs[2]; + + for (int eye = 0; eye < 2; eye++) + { + eyeRenderDescs[eye] = ovr_GetRenderDesc(session, eye, hmdDesc.DefaultEyeFov[eye]); + ovrMatrix4f ovrPerspectiveProjection = ovrMatrix4f_Projection(eyeRenderDescs[eye].Fov, 0.01f, 10000.0f, ovrProjection_None); //ovrProjection_ClipRangeOpenGL); + layer.eyeProjections[eye] = FromOvrMatrix(ovrPerspectiveProjection); // NOTE: struct ovrMatrix4f { float M[4][4] } --> struct Matrix + + layer.viewScaleDesc.HmdToEyeOffset[eye] = eyeRenderDescs[eye].HmdToEyeOffset; + layer.eyeLayer.Fov[eye] = eyeRenderDescs[eye].Fov; + + ovrSizei eyeSize = ovr_GetFovTextureSize(session, eye, layer.eyeLayer.Fov[eye], 1.0f); + layer.eyeLayer.Viewport[eye].Size = eyeSize; + layer.eyeLayer.Viewport[eye].Pos.x = layer.width; + layer.eyeLayer.Viewport[eye].Pos.y = 0; + + layer.height = eyeSize.h; //std::max(renderTargetSize.y, (uint32_t)eyeSize.h); + layer.width += eyeSize.w; + } + + return layer; +} + +// Convert from Oculus ovrMatrix4f struct to raymath Matrix struct +static Matrix FromOvrMatrix(ovrMatrix4f ovrmat) +{ + Matrix rmat; + + rmat.m0 = ovrmat.M[0][0]; + rmat.m1 = ovrmat.M[1][0]; + rmat.m2 = ovrmat.M[2][0]; + rmat.m3 = ovrmat.M[3][0]; + rmat.m4 = ovrmat.M[0][1]; + rmat.m5 = ovrmat.M[1][1]; + rmat.m6 = ovrmat.M[2][1]; + rmat.m7 = ovrmat.M[3][1]; + rmat.m8 = ovrmat.M[0][2]; + rmat.m9 = ovrmat.M[1][2]; + rmat.m10 = ovrmat.M[2][2]; + rmat.m11 = ovrmat.M[3][2]; + rmat.m12 = ovrmat.M[0][3]; + rmat.m13 = ovrmat.M[1][3]; + rmat.m14 = ovrmat.M[2][3]; + rmat.m15 = ovrmat.M[3][3]; + + MatrixTranspose(&rmat); + + return rmat; +} +#endif + #if defined(RLGL_STANDALONE) // Output a trace log message // NOTE: Expected msgType: (0)Info, (1)Error, (2)Warning |