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Upload IQM loader project -WIP-

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Ray 2018-07-05 21:56:52 +02:00
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/*******************************************************************************************
*
* raylib [models] example - Load IQM 3d model with animations and play them
*
* This example has been created using raylib 2.0 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2018 @culacant and @raysan5
*
********************************************************************************************/
#include "raylib.h"
#define RIQM_IMPLEMENTATION
#include "riqm.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - iqm animation");
// Define the camera to look into our 3d world
Camera camera = { 0 };
camera.position = (Vector3){ 10.0f, 10.0f, 10.0f }; // Camera position
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
camera.fovy = 45.0f; // Camera field-of-view Y
camera.type = CAMERA_PERSPECTIVE; // Camera mode type
// Load the animated model mesh and basic data
AnimatedModel model = LoadAnimatedModel("resources/guy.iqm");
// Load model texture and set material
// NOTE: There is only 1 mesh and 1 material (both at index 0), thats what the 2 0's are
model = AnimatedModelAddTexture(model, "resources/guytex.png"); // REPLACE!
model = SetMeshMaterial(model, 0, 0); // REPLACE!
// Load animation data
Animation anim = LoadAnimationFromIQM("resources/guyanim.iqm");
int animFrameCounter = 0;
SetCameraMode(camera, CAMERA_FREE); // Set free camera mode
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera);
// Play animation when spacebar is held down
if (IsKeyDown(KEY_SPACE))
{
animFrameCounter++;
AnimateModel(model, anim, animFrameCounter); // Animate the model with animation data and frame
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
BeginMode3D(camera);
DrawAnimatedModel(model, Vector3Zero(), 1.0f, WHITE); // Draw animated model
DrawGrid(10, 1.0f); // Draw a grid
EndMode3D();
DrawText("(c) Guy IQM 3D model by -------", screenWidth - 200, screenHeight - 20, 10, GRAY);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadAnimation(anim); // Unload animation data
UnloadAnimatedModel(model); // Unload animated model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}

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/**********************************************************************************************
*
* rlgl - raylib OpenGL abstraction layer
*
* rlgl is a wrapper for multiple OpenGL versions (1.1, 2.1, 3.3 Core, ES 2.0) to
* pseudo-OpenGL 1.1 style functions (rlVertex, rlTranslate, rlRotate...).
*
* When chosing an OpenGL version greater than OpenGL 1.1, rlgl stores vertex data on internal
* VBO buffers (and VAOs if available). It requires calling 3 functions:
* rlglInit() - Initialize internal buffers and auxiliar resources
* rlglDraw() - Process internal buffers and send required draw calls
* rlglClose() - De-initialize internal buffers data and other auxiliar resources
*
* CONFIGURATION:
*
* #define GRAPHICS_API_OPENGL_11
* #define GRAPHICS_API_OPENGL_21
* #define GRAPHICS_API_OPENGL_33
* #define GRAPHICS_API_OPENGL_ES2
* Use selected OpenGL graphics backend, should be supported by platform
* Those preprocessor defines are only used on rlgl module, if OpenGL version is
* required by any other module, use rlGetVersion() tocheck it
*
* #define RLGL_STANDALONE
* Use rlgl as standalone library (no raylib dependency)
*
* #define SUPPORT_VR_SIMULATOR
* Support VR simulation functionality (stereo rendering)
*
* #define SUPPORT_DISTORTION_SHADER
* Include stereo rendering distortion shader (shader_distortion.h)
*
* DEPENDENCIES:
* raymath - 3D math functionality (Vector3, Matrix, Quaternion)
* GLAD - OpenGL extensions loading (OpenGL 3.3 Core only)
*
*
* LICENSE: zlib/libpng
*
* Copyright (c) 2014-2017 Ramon Santamaria (@raysan5)
*
* This software is provided "as-is", without any express or implied warranty. In no event
* will the authors be held liable for any damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose, including commercial
* applications, and to alter it and redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim that you
* wrote the original software. If you use this software in a product, an acknowledgment
* in the product documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
* as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
**********************************************************************************************/
#ifndef RLGL_H
#define RLGL_H
#if defined(RLGL_STANDALONE)
#define RAYMATH_STANDALONE
#else
#include "raylib.h" // Required for: Model, Shader, Texture2D, TraceLog()
#endif
#include "raymath.h" // Required for: Vector3, Matrix
// Security check in case no GRAPHICS_API_OPENGL_* defined
#if !defined(GRAPHICS_API_OPENGL_11) && !defined(GRAPHICS_API_OPENGL_21) && !defined(GRAPHICS_API_OPENGL_33) && !defined(GRAPHICS_API_OPENGL_ES2)
#define GRAPHICS_API_OPENGL_11
#endif
// Security check in case multiple GRAPHICS_API_OPENGL_* defined
#if defined(GRAPHICS_API_OPENGL_11)
#if defined(GRAPHICS_API_OPENGL_21)
#undef GRAPHICS_API_OPENGL_21
#endif
#if defined(GRAPHICS_API_OPENGL_33)
#undef GRAPHICS_API_OPENGL_33
#endif
#if defined(GRAPHICS_API_OPENGL_ES2)
#undef GRAPHICS_API_OPENGL_ES2
#endif
#endif
#if defined(GRAPHICS_API_OPENGL_21)
#define GRAPHICS_API_OPENGL_33
#endif
//----------------------------------------------------------------------------------
// Defines and Macros
//----------------------------------------------------------------------------------
#if defined(GRAPHICS_API_OPENGL_11) || defined(GRAPHICS_API_OPENGL_33)
// NOTE: This is the maximum amount of lines, triangles and quads per frame, be careful!
#define MAX_LINES_BATCH 8192
#define MAX_TRIANGLES_BATCH 4096
#define MAX_QUADS_BATCH 8192
#elif defined(GRAPHICS_API_OPENGL_ES2)
// NOTE: Reduce memory sizes for embedded systems (RPI and HTML5)
// NOTE: On HTML5 (emscripten) this is allocated on heap, by default it's only 16MB!...just take care...
#define MAX_LINES_BATCH 1024 // Critical for wire shapes (sphere)
#define MAX_TRIANGLES_BATCH 2048 // Critical for some shapes (sphere)
#define MAX_QUADS_BATCH 1024 // Be careful with text, every letter maps a quad
#endif
// Texture parameters (equivalent to OpenGL defines)
#define RL_TEXTURE_WRAP_S 0x2802 // GL_TEXTURE_WRAP_S
#define RL_TEXTURE_WRAP_T 0x2803 // GL_TEXTURE_WRAP_T
#define RL_TEXTURE_MAG_FILTER 0x2800 // GL_TEXTURE_MAG_FILTER
#define RL_TEXTURE_MIN_FILTER 0x2801 // GL_TEXTURE_MIN_FILTER
#define RL_TEXTURE_ANISOTROPIC_FILTER 0x3000 // Anisotropic filter (custom identifier)
#define RL_FILTER_NEAREST 0x2600 // GL_NEAREST
#define RL_FILTER_LINEAR 0x2601 // GL_LINEAR
#define RL_FILTER_MIP_NEAREST 0x2700 // GL_NEAREST_MIPMAP_NEAREST
#define RL_FILTER_NEAREST_MIP_LINEAR 0x2702 // GL_NEAREST_MIPMAP_LINEAR
#define RL_FILTER_LINEAR_MIP_NEAREST 0x2701 // GL_LINEAR_MIPMAP_NEAREST
#define RL_FILTER_MIP_LINEAR 0x2703 // GL_LINEAR_MIPMAP_LINEAR
#define RL_WRAP_REPEAT 0x2901 // GL_REPEAT
#define RL_WRAP_CLAMP 0x812F // GL_CLAMP_TO_EDGE
#define RL_WRAP_CLAMP_MIRROR 0x8742 // GL_MIRROR_CLAMP_EXT
// Matrix modes (equivalent to OpenGL)
#define RL_MODELVIEW 0x1700 // GL_MODELVIEW
#define RL_PROJECTION 0x1701 // GL_PROJECTION
#define RL_TEXTURE 0x1702 // GL_TEXTURE
// Primitive assembly draw modes
#define RL_LINES 0x0001 // GL_LINES
#define RL_TRIANGLES 0x0004 // GL_TRIANGLES
#define RL_QUADS 0x0007 // GL_QUADS
//----------------------------------------------------------------------------------
// Types and Structures Definition
//----------------------------------------------------------------------------------
typedef enum { OPENGL_11 = 1, OPENGL_21, OPENGL_33, OPENGL_ES_20 } GlVersion;
typedef unsigned char byte;
#if defined(RLGL_STANDALONE)
#ifndef __cplusplus
// Boolean type
typedef enum { false, true } bool;
#endif
// Color type, RGBA (32bit)
typedef struct Color {
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
} Color;
// Rectangle type
typedef struct Rectangle {
int x;
int y;
int width;
int height;
} Rectangle;
// Texture2D type
// NOTE: Data stored in GPU memory
typedef struct Texture2D {
unsigned int id; // OpenGL texture id
int width; // Texture base width
int height; // Texture base height
int mipmaps; // Mipmap levels, 1 by default
int format; // Data format (PixelFormat)
} Texture2D;
// RenderTexture2D type, for texture rendering
typedef struct RenderTexture2D {
unsigned int id; // Render texture (fbo) id
Texture2D texture; // Color buffer attachment texture
Texture2D depth; // Depth buffer attachment texture
} RenderTexture2D;
// Vertex data definning a mesh
typedef struct Mesh {
int vertexCount; // number of vertices stored in arrays
int triangleCount; // number of triangles stored (indexed or not)
float *vertices; // vertex position (XYZ - 3 components per vertex) (shader-location = 0)
float *texcoords; // vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1)
float *texcoords2; // vertex second texture coordinates (useful for lightmaps) (shader-location = 5)
float *normals; // vertex normals (XYZ - 3 components per vertex) (shader-location = 2)
float *tangents; // vertex tangents (XYZW - 4 components per vertex) (shader-location = 4)
unsigned char *colors; // vertex colors (RGBA - 4 components per vertex) (shader-location = 3)
unsigned short *indices;// vertex indices (in case vertex data comes indexed)
unsigned int vaoId; // OpenGL Vertex Array Object id
unsigned int vboId[7]; // OpenGL Vertex Buffer Objects id (7 types of vertex data)
} Mesh;
// Shader and material limits
#define MAX_SHADER_LOCATIONS 32
#define MAX_MATERIAL_MAPS 12
// Shader type (generic)
typedef struct Shader {
unsigned int id; // Shader program id
int locs[MAX_SHADER_LOCATIONS]; // Shader locations array
} Shader;
// Material texture map
typedef struct MaterialMap {
Texture2D texture; // Material map texture
Color color; // Material map color
float value; // Material map value
} MaterialMap;
// Material type (generic)
typedef struct Material {
Shader shader; // Material shader
MaterialMap maps[MAX_MATERIAL_MAPS]; // Material maps
float *params; // Material generic parameters (if required)
} Material;
// Camera type, defines a camera position/orientation in 3d space
typedef struct Camera {
Vector3 position; // Camera position
Vector3 target; // Camera target it looks-at
Vector3 up; // Camera up vector (rotation over its axis)
float fovy; // Camera field-of-view apperture in Y (degrees)
} Camera;
// Head-Mounted-Display device parameters
typedef struct VrDeviceInfo {
int hResolution; // HMD horizontal resolution in pixels
int vResolution; // HMD vertical resolution in pixels
float hScreenSize; // HMD horizontal size in meters
float vScreenSize; // HMD vertical size in meters
float vScreenCenter; // HMD screen center in meters
float eyeToScreenDistance; // HMD distance between eye and display in meters
float lensSeparationDistance; // HMD lens separation distance in meters
float interpupillaryDistance; // HMD IPD (distance between pupils) in meters
float lensDistortionValues[4]; // HMD lens distortion constant parameters
float chromaAbCorrection[4]; // HMD chromatic aberration correction parameters
} VrDeviceInfo;
// TraceLog message types
typedef enum {
LOG_INFO = 0,
LOG_ERROR,
LOG_WARNING,
LOG_DEBUG,
LOG_OTHER
} TraceLogType;
// Texture formats (support depends on OpenGL version)
typedef enum {
UNCOMPRESSED_GRAYSCALE = 1, // 8 bit per pixel (no alpha)
UNCOMPRESSED_GRAY_ALPHA,
UNCOMPRESSED_R5G6B5, // 16 bpp
UNCOMPRESSED_R8G8B8, // 24 bpp
UNCOMPRESSED_R5G5B5A1, // 16 bpp (1 bit alpha)
UNCOMPRESSED_R4G4B4A4, // 16 bpp (4 bit alpha)
UNCOMPRESSED_R8G8B8A8, // 32 bpp
UNCOMPRESSED_R32, // 32 bpp (1 channel - float)
UNCOMPRESSED_R32G32B32, // 32*3 bpp (3 channels - float)
UNCOMPRESSED_R32G32B32A32, // 32*4 bpp (4 channels - float)
COMPRESSED_DXT1_RGB, // 4 bpp (no alpha)
COMPRESSED_DXT1_RGBA, // 4 bpp (1 bit alpha)
COMPRESSED_DXT3_RGBA, // 8 bpp
COMPRESSED_DXT5_RGBA, // 8 bpp
COMPRESSED_ETC1_RGB, // 4 bpp
COMPRESSED_ETC2_RGB, // 4 bpp
COMPRESSED_ETC2_EAC_RGBA, // 8 bpp
COMPRESSED_PVRT_RGB, // 4 bpp
COMPRESSED_PVRT_RGBA, // 4 bpp
COMPRESSED_ASTC_4x4_RGBA, // 8 bpp
COMPRESSED_ASTC_8x8_RGBA // 2 bpp
} PixelFormat;
// Texture parameters: filter mode
// NOTE 1: Filtering considers mipmaps if available in the texture
// NOTE 2: Filter is accordingly set for minification and magnification
typedef enum {
FILTER_POINT = 0, // No filter, just pixel aproximation
FILTER_BILINEAR, // Linear filtering
FILTER_TRILINEAR, // Trilinear filtering (linear with mipmaps)
FILTER_ANISOTROPIC_4X, // Anisotropic filtering 4x
FILTER_ANISOTROPIC_8X, // Anisotropic filtering 8x
FILTER_ANISOTROPIC_16X, // Anisotropic filtering 16x
} TextureFilterMode;
// Texture parameters: wrap mode
typedef enum {
WRAP_REPEAT = 0,
WRAP_CLAMP,
WRAP_MIRROR
} TextureWrapMode;
// Color blending modes (pre-defined)
typedef enum {
BLEND_ALPHA = 0,
BLEND_ADDITIVE,
BLEND_MULTIPLIED
} BlendMode;
// Shader location point type
typedef enum {
LOC_VERTEX_POSITION = 0,
LOC_VERTEX_TEXCOORD01,
LOC_VERTEX_TEXCOORD02,
LOC_VERTEX_NORMAL,
LOC_VERTEX_TANGENT,
LOC_VERTEX_COLOR,
LOC_MATRIX_MVP,
LOC_MATRIX_MODEL,
LOC_MATRIX_VIEW,
LOC_MATRIX_PROJECTION,
LOC_VECTOR_VIEW,
LOC_COLOR_DIFFUSE,
LOC_COLOR_SPECULAR,
LOC_COLOR_AMBIENT,
LOC_MAP_ALBEDO, // LOC_MAP_DIFFUSE
LOC_MAP_METALNESS, // LOC_MAP_SPECULAR
LOC_MAP_NORMAL,
LOC_MAP_ROUGHNESS,
LOC_MAP_OCCLUSION,
LOC_MAP_EMISSION,
LOC_MAP_HEIGHT,
LOC_MAP_CUBEMAP,
LOC_MAP_IRRADIANCE,
LOC_MAP_PREFILTER,
LOC_MAP_BRDF
} ShaderLocationIndex;
#define LOC_MAP_DIFFUSE LOC_MAP_ALBEDO
#define LOC_MAP_SPECULAR LOC_MAP_METALNESS
// Material map type
typedef enum {
MAP_ALBEDO = 0, // MAP_DIFFUSE
MAP_METALNESS = 1, // MAP_SPECULAR
MAP_NORMAL = 2,
MAP_ROUGHNESS = 3,
MAP_OCCLUSION,
MAP_EMISSION,
MAP_HEIGHT,
MAP_CUBEMAP, // NOTE: Uses GL_TEXTURE_CUBE_MAP
MAP_IRRADIANCE, // NOTE: Uses GL_TEXTURE_CUBE_MAP
MAP_PREFILTER, // NOTE: Uses GL_TEXTURE_CUBE_MAP
MAP_BRDF
} TexmapIndex;
#define MAP_DIFFUSE MAP_ALBEDO
#define MAP_SPECULAR MAP_METALNESS
// VR Head Mounted Display devices
typedef enum {
HMD_DEFAULT_DEVICE = 0,
HMD_OCULUS_RIFT_DK2,
HMD_OCULUS_RIFT_CV1,
HMD_OCULUS_GO,
HMD_VALVE_HTC_VIVE,
HMD_SONY_PSVR
} VrDevice;
#endif
#ifdef __cplusplus
extern "C" { // Prevents name mangling of functions
#endif
//------------------------------------------------------------------------------------
// Functions Declaration - Matrix operations
//------------------------------------------------------------------------------------
void rlMatrixMode(int mode); // Choose the current matrix to be transformed
void rlPushMatrix(void); // Push the current matrix to stack
void rlPopMatrix(void); // Pop lattest inserted matrix from stack
void rlLoadIdentity(void); // Reset current matrix to identity matrix
void rlTranslatef(float x, float y, float z); // Multiply the current matrix by a translation matrix
void rlRotatef(float angleDeg, float x, float y, float z); // Multiply the current matrix by a rotation matrix
void rlScalef(float x, float y, float z); // Multiply the current matrix by a scaling matrix
void rlMultMatrixf(float *matf); // Multiply the current matrix by another matrix
void rlFrustum(double left, double right, double bottom, double top, double near, double far);
void rlOrtho(double left, double right, double bottom, double top, double near, double far);
void rlViewport(int x, int y, int width, int height); // Set the viewport area
//------------------------------------------------------------------------------------
// Functions Declaration - Vertex level operations
//------------------------------------------------------------------------------------
void rlBegin(int mode); // Initialize drawing mode (how to organize vertex)
void rlEnd(void); // Finish vertex providing
void rlVertex2i(int x, int y); // Define one vertex (position) - 2 int
void rlVertex2f(float x, float y); // Define one vertex (position) - 2 float
void rlVertex3f(float x, float y, float z); // Define one vertex (position) - 3 float
void rlTexCoord2f(float x, float y); // Define one vertex (texture coordinate) - 2 float
void rlNormal3f(float x, float y, float z); // Define one vertex (normal) - 3 float
void rlColor4ub(byte r, byte g, byte b, byte a); // Define one vertex (color) - 4 byte
void rlColor3f(float x, float y, float z); // Define one vertex (color) - 3 float
void rlColor4f(float x, float y, float z, float w); // Define one vertex (color) - 4 float
//------------------------------------------------------------------------------------
// Functions Declaration - OpenGL equivalent functions (common to 1.1, 3.3+, ES2)
// NOTE: This functions are used to completely abstract raylib code from OpenGL layer
//------------------------------------------------------------------------------------
void rlEnableTexture(unsigned int id); // Enable texture usage
void rlDisableTexture(void); // Disable texture usage
void rlTextureParameters(unsigned int id, int param, int value); // Set texture parameters (filter, wrap)
void rlEnableRenderTexture(unsigned int id); // Enable render texture (fbo)
void rlDisableRenderTexture(void); // Disable render texture (fbo), return to default framebuffer
void rlEnableDepthTest(void); // Enable depth test
void rlDisableDepthTest(void); // Disable depth test
void rlEnableWireMode(void); // Enable wire mode
void rlDisableWireMode(void); // Disable wire mode
void rlDeleteTextures(unsigned int id); // Delete OpenGL texture from GPU
void rlDeleteRenderTextures(RenderTexture2D target); // Delete render textures (fbo) from GPU
void rlDeleteShader(unsigned int id); // Delete OpenGL shader program from GPU
void rlDeleteVertexArrays(unsigned int id); // Unload vertex data (VAO) from GPU memory
void rlDeleteBuffers(unsigned int id); // Unload vertex data (VBO) from GPU memory
void rlClearColor(byte r, byte g, byte b, byte a); // Clear color buffer with color
void rlClearScreenBuffers(void); // Clear used screen buffers (color and depth)
//------------------------------------------------------------------------------------
// Functions Declaration - rlgl functionality
//------------------------------------------------------------------------------------
void rlglInit(int width, int height); // Initialize rlgl (buffers, shaders, textures, states)
void rlglClose(void); // De-inititialize rlgl (buffers, shaders, textures)
void rlglDraw(void); // Update and Draw default buffers (lines, triangles, quads)
int rlGetVersion(void); // Returns current OpenGL version
bool rlCheckBufferLimit(int type, int vCount); // Check internal buffer overflow for a given number of vertex
void rlSetDebugMarker(const char *text); // Set debug marker for analysis
void rlLoadExtensions(void *loader); // Load OpenGL extensions
Vector3 rlUnproject(Vector3 source, Matrix proj, Matrix view); // Get world coordinates from screen coordinates
// Textures data management
unsigned int rlLoadTexture(void *data, int width, int height, int format, int mipmapCount); // Load texture in GPU
void rlUpdateTexture(unsigned int id, int width, int height, int format, const void *data); // Update GPU texture with new data
void rlUnloadTexture(unsigned int id);
void rlGenerateMipmaps(Texture2D *texture); // Generate mipmap data for selected texture
void *rlReadTexturePixels(Texture2D texture); // Read texture pixel data
unsigned char *rlReadScreenPixels(int width, int height); // Read screen pixel data (color buffer)
RenderTexture2D rlLoadRenderTexture(int width, int height); // Load a texture to be used for rendering (fbo with color and depth attachments)
// Vertex data management
void rlLoadMesh(Mesh *mesh, bool dynamic); // Upload vertex data into GPU and provided VAO/VBO ids
void rlUpdateMesh(Mesh mesh, int buffer, int numVertex); // Update vertex data on GPU (upload new data to one buffer)
void rlDrawMesh(Mesh mesh, Material material, Matrix transform); // Draw a 3d mesh with material and transform
void rlUnloadMesh(Mesh *mesh); // Unload mesh data from CPU and GPU
// NOTE: There is a set of shader related functions that are available to end user,
// to avoid creating function wrappers through core module, they have been directly declared in raylib.h
#if defined(RLGL_STANDALONE)
//------------------------------------------------------------------------------------
// Shaders System Functions (Module: rlgl)
// NOTE: This functions are useless when using OpenGL 1.1
//------------------------------------------------------------------------------------
Shader LoadShader(char *vsFileName, char *fsFileName); // Load a custom shader and bind default locations
void UnloadShader(Shader shader); // Unload a custom shader from memory
Shader GetShaderDefault(void); // Get default shader
Texture2D GetTextureDefault(void); // Get default texture
// Shader configuration functions
int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location
void SetShaderValue(Shader shader, int uniformLoc, const float *value, int size); // Set shader uniform value (float)
void SetShaderValuei(Shader shader, int uniformLoc, const int *value, int size); // Set shader uniform value (int)
void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat); // Set shader uniform value (matrix 4x4)
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(); // Get internal modelview matrix
// Texture maps generation (PBR)
// NOTE: Required shaders should be provided
Texture2D GenTextureCubemap(Shader shader, Texture2D skyHDR, int size); // Generate cubemap texture from HDR texture
Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size); // Generate irradiance texture using cubemap data
Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size); // Generate prefilter texture using cubemap data
Texture2D GenTextureBRDF(Shader shader, Texture2D cubemap, int size); // Generate BRDF texture using cubemap data
// Shading and blending
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 simulator functionality
VrDeviceInfo GetVrDeviceInfo(int vrDeviceType); // Get VR device information for some standard devices
void InitVrSimulator(VrDeviceInfo info); // 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 ToggleVrMode(void); // Enable/Disable VR experience (device or simulator)
void BeginVrDrawing(void); // Begin VR stereo rendering
void EndVrDrawing(void); // End VR stereo rendering
void TraceLog(int msgType, const char *text, ...); // Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG)
#endif
#ifdef __cplusplus
}
#endif
#endif // RLGL_H