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// Shader loading/unloading functions
Shader LoadShader(const char *vsFileName, const char *fsFileName); // Load shader from files and bind default locations
Shader LoadShaderCode(const char *vsCode, const char *fsCode); // Load shader from code strings and bind default locations
void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM)
Shader GetShaderDefault(void); // Get default shader
Texture2D GetTextureDefault(void); // Get default texture
Texture2D GetShapesTexture(void); // Get texture to draw shapes
Rectangle GetShapesTextureRec(void); // Get texture rectangle to draw shapes
void SetShapesTexture(Texture2D texture, Rectangle source); // Define default texture used to draw shapes
// Shader configuration functions
int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location
int GetShaderLocationAttrib(Shader shader, const char *attribName); // Get shader attribute location
void SetShaderValue(Shader shader, int uniformLoc, const void *value, int uniformType); // Set shader uniform value
void SetShaderValueV(Shader shader, int uniformLoc, const void *value, int uniformType, int count); // Set shader uniform value vector
void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat); // Set shader uniform value (matrix 4x4)
void SetShaderValueTexture(Shader shader, int uniformLoc, Texture2D texture); // Set shader uniform value for texture
void SetMatrixProjection(Matrix proj); // Set a custom projection matrix (replaces internal projection matrix)
void SetMatrixModelview(Matrix view); // Set a custom modelview matrix (replaces internal modelview matrix)
Matrix GetMatrixModelview(void); // Get internal modelview matrix
Matrix GetMatrixProjection(void); // Get internal projection matrix
// Shading begin/end functions
void BeginShaderMode(Shader shader); // Begin custom shader drawing
void EndShaderMode(void); // End custom shader drawing (use default shader)
void BeginBlendMode(int mode); // Begin blending mode (alpha, additive, multiplied)
void EndBlendMode(void); // End blending mode (reset to default: alpha blending)
// VR control functions
void InitVrSimulator(void); // Init VR simulator for selected device parameters
void CloseVrSimulator(void); // Close VR simulator for current device
void UpdateVrTracking(Camera *camera); // Update VR tracking (position and orientation) and camera
void SetVrConfiguration(VrDeviceInfo info, Shader distortion); // Set stereo rendering configuration parameters
bool IsVrSimulatorReady(void); // Detect if VR simulator is ready
void ToggleVrMode(void); // Enable/Disable VR experience
void BeginVrDrawing(void); // Begin VR simulator stereo rendering
void EndVrDrawing(void); // End VR simulator stereo rendering
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