WARNING: BREAKING: Renamed several functions for data validation #3930

src/raudio.c

@@ -892,8 +892,8 @@ Wave LoadWaveFromMemory(const char *fileType, const unsigned char *fileData, int
     return wave;
 }
 
-// Checks if wave data is ready
+// Checks if wave data is valid (data loaded and parameters)
-bool IsWaveReady(Wave wave)
+bool IsWaveValid(Wave wave)
 {
     bool result = false;
 
@@ -993,8 +993,8 @@ Sound LoadSoundAlias(Sound source)
 }
 
 
-// Checks if a sound is ready
+// Checks if a sound is valid (data loaded and buffers initialized)
-bool IsSoundReady(Sound sound)
+bool IsSoundValid(Sound sound)
 {
     bool result = false;
 
@@ -1726,8 +1726,8 @@ Music LoadMusicStreamFromMemory(const char *fileType, const unsigned char *data,
     return music;
 }
 
-// Checks if a music stream is ready
+// Checks if a music stream is valid (context and buffers initialized)
-bool IsMusicReady(Music music)
+bool IsMusicValid(Music music)
 {
     return ((music.ctxData != NULL) &&          // Validate context loaded
             (music.frameCount > 0) &&           // Validate audio frame count
@@ -2119,8 +2119,8 @@ AudioStream LoadAudioStream(unsigned int sampleRate, unsigned int sampleSize, un
     return stream;
 }
 
-// Checks if an audio stream is ready
+// Checks if an audio stream is valid (buffers initialized)
-bool IsAudioStreamReady(AudioStream stream)
+bool IsAudioStreamValid(AudioStream stream)
 {
     return ((stream.buffer != NULL) &&    // Validate stream buffer
             (stream.sampleRate > 0) &&    // Validate sample rate is supported

src/raylib.h

@@ -1044,7 +1044,7 @@ RLAPI void UnloadVrStereoConfig(VrStereoConfig config);           // Unload VR s
 // NOTE: Shader functionality is not available on OpenGL 1.1
 RLAPI Shader LoadShader(const char *vsFileName, const char *fsFileName);   // Load shader from files and bind default locations
 RLAPI Shader LoadShaderFromMemory(const char *vsCode, const char *fsCode); // Load shader from code strings and bind default locations
-RLAPI bool IsShaderReady(Shader shader);                                   // Check if a shader is ready
+RLAPI bool IsShaderValid(Shader shader);                                   // Check if a shader is valid (loaded on GPU)
 RLAPI int GetShaderLocation(Shader shader, const char *uniformName);       // Get shader uniform location
 RLAPI int GetShaderLocationAttrib(Shader shader, const char *attribName);  // Get shader attribute location
 RLAPI void SetShaderValue(Shader shader, int locIndex, const void *value, int uniformType);               // Set shader uniform value
@@ -1319,7 +1319,7 @@ RLAPI Image LoadImageAnimFromMemory(const char *fileType, const unsigned char *f
 RLAPI Image LoadImageFromMemory(const char *fileType, const unsigned char *fileData, int dataSize);      // Load image from memory buffer, fileType refers to extension: i.e. '.png'
 RLAPI Image LoadImageFromTexture(Texture2D texture);                                                     // Load image from GPU texture data
 RLAPI Image LoadImageFromScreen(void);                                                                   // Load image from screen buffer and (screenshot)
-RLAPI bool IsImageReady(Image image);                                                                    // Check if an image is ready
+RLAPI bool IsImageValid(Image image);                                                                    // Check if an image is valid (data and parameters)
 RLAPI void UnloadImage(Image image);                                                                     // Unload image from CPU memory (RAM)
 RLAPI bool ExportImage(Image image, const char *fileName);                                               // Export image data to file, returns true on success
 RLAPI unsigned char *ExportImageToMemory(Image image, const char *fileType, int *fileSize);              // Export image to memory buffer
@@ -1405,9 +1405,9 @@ RLAPI Texture2D LoadTexture(const char *fileName);
 RLAPI Texture2D LoadTextureFromImage(Image image);                                                       // Load texture from image data
 RLAPI TextureCubemap LoadTextureCubemap(Image image, int layout);                                        // Load cubemap from image, multiple image cubemap layouts supported
 RLAPI RenderTexture2D LoadRenderTexture(int width, int height);                                          // Load texture for rendering (framebuffer)
-RLAPI bool IsTextureReady(Texture2D texture);                                                            // Check if a texture is ready
+RLAPI bool IsTextureValid(Texture2D texture);                                                            // Check if a texture is valid (loaded in GPU)
 RLAPI void UnloadTexture(Texture2D texture);                                                             // Unload texture from GPU memory (VRAM)
-RLAPI bool IsRenderTextureReady(RenderTexture2D target);                                                 // Check if a render texture is ready
+RLAPI bool IsRenderTextureValid(RenderTexture2D target);                                                 // Check if a render texture is valid (loaded in GPU)
 RLAPI void UnloadRenderTexture(RenderTexture2D target);                                                  // Unload render texture from GPU memory (VRAM)
 RLAPI void UpdateTexture(Texture2D texture, const void *pixels);                                         // Update GPU texture with new data
 RLAPI void UpdateTextureRec(Texture2D texture, Rectangle rec, const void *pixels);                       // Update GPU texture rectangle with new data
@@ -1454,7 +1454,7 @@ RLAPI Font LoadFont(const char *fileName);
 RLAPI Font LoadFontEx(const char *fileName, int fontSize, int *codepoints, int codepointCount); // Load font from file with extended parameters, use NULL for codepoints and 0 for codepointCount to load the default character set, font size is provided in pixels height
 RLAPI Font LoadFontFromImage(Image image, Color key, int firstChar);                        // Load font from Image (XNA style)
 RLAPI Font LoadFontFromMemory(const char *fileType, const unsigned char *fileData, int dataSize, int fontSize, int *codepoints, int codepointCount); // Load font from memory buffer, fileType refers to extension: i.e. '.ttf'
-RLAPI bool IsFontReady(Font font);                                                          // Check if a font is ready
+RLAPI bool IsFontValid(Font font);                                                          // Check if a font is valid (font data loaded, WARNING: GPU texture not checked)
 RLAPI GlyphInfo *LoadFontData(const unsigned char *fileData, int dataSize, int fontSize, int *codepoints, int codepointCount, int type); // Load font data for further use
 RLAPI Image GenImageFontAtlas(const GlyphInfo *glyphs, Rectangle **glyphRecs, int glyphCount, int fontSize, int padding, int packMethod); // Generate image font atlas using chars info
 RLAPI void UnloadFontData(GlyphInfo *glyphs, int glyphCount);                               // Unload font chars info data (RAM)
@@ -1544,7 +1544,7 @@ RLAPI void DrawGrid(int slices, float spacing);
 // Model management functions
 RLAPI Model LoadModel(const char *fileName);                                                // Load model from files (meshes and materials)
 RLAPI Model LoadModelFromMesh(Mesh mesh);                                                   // Load model from generated mesh (default material)
-RLAPI bool IsModelReady(Model model);                                                       // Check if a model is ready
+RLAPI bool IsModelValid(Model model);                                                       // Check if a model is valid (loaded in GPU, VAO/VBOs)
 RLAPI void UnloadModel(Model model);                                                        // Unload model (including meshes) from memory (RAM and/or VRAM)
 RLAPI BoundingBox GetModelBoundingBox(Model model);                                         // Compute model bounding box limits (considers all meshes)
 
@@ -1587,7 +1587,7 @@ RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize);
 // Material loading/unloading functions
 RLAPI Material *LoadMaterials(const char *fileName, int *materialCount);                    // Load materials from model file
 RLAPI Material LoadMaterialDefault(void);                                                   // Load default material (Supports: DIFFUSE, SPECULAR, NORMAL maps)
-RLAPI bool IsMaterialReady(Material material);                                              // Check if a material is ready
+RLAPI bool IsMaterialValid(Material material);                                              // Check if a material is valid (shader assigned, map textures loaded in GPU)
 RLAPI void UnloadMaterial(Material material);                                               // Unload material from GPU memory (VRAM)
 RLAPI void SetMaterialTexture(Material *material, int mapType, Texture2D texture);          // Set texture for a material map type (MATERIAL_MAP_DIFFUSE, MATERIAL_MAP_SPECULAR...)
 RLAPI void SetModelMeshMaterial(Model *model, int meshId, int materialId);                  // Set material for a mesh
@@ -1625,11 +1625,11 @@ RLAPI float GetMasterVolume(void);                                    // Get mas
 // Wave/Sound loading/unloading functions
 RLAPI Wave LoadWave(const char *fileName);                            // Load wave data from file
 RLAPI Wave LoadWaveFromMemory(const char *fileType, const unsigned char *fileData, int dataSize); // Load wave from memory buffer, fileType refers to extension: i.e. '.wav'
-RLAPI bool IsWaveReady(Wave wave);                                    // Checks if wave data is ready
+RLAPI bool IsWaveValid(Wave wave);                                    // Checks if wave data is valid (data loaded and parameters)
 RLAPI Sound LoadSound(const char *fileName);                          // Load sound from file
 RLAPI Sound LoadSoundFromWave(Wave wave);                             // Load sound from wave data
 RLAPI Sound LoadSoundAlias(Sound source);                             // Create a new sound that shares the same sample data as the source sound, does not own the sound data
-RLAPI bool IsSoundReady(Sound sound);                                 // Checks if a sound is ready
+RLAPI bool IsSoundValid(Sound sound);                                 // Checks if a sound is valid (data loaded and buffers initialized)
 RLAPI void UpdateSound(Sound sound, const void *data, int sampleCount); // Update sound buffer with new data
 RLAPI void UnloadWave(Wave wave);                                     // Unload wave data
 RLAPI void UnloadSound(Sound sound);                                  // Unload sound
@@ -1655,7 +1655,7 @@ RLAPI void UnloadWaveSamples(float *samples);                         // Unload
 // Music management functions
 RLAPI Music LoadMusicStream(const char *fileName);                    // Load music stream from file
 RLAPI Music LoadMusicStreamFromMemory(const char *fileType, const unsigned char *data, int dataSize); // Load music stream from data
-RLAPI bool IsMusicReady(Music music);                                 // Checks if a music stream is ready
+RLAPI bool IsMusicValid(Music music);                                 // Checks if a music stream is valid (context and buffers initialized)
 RLAPI void UnloadMusicStream(Music music);                            // Unload music stream
 RLAPI void PlayMusicStream(Music music);                              // Start music playing
 RLAPI bool IsMusicStreamPlaying(Music music);                         // Check if music is playing
@@ -1672,7 +1672,7 @@ RLAPI float GetMusicTimePlayed(Music music);                          // Get cur
 
 // AudioStream management functions
 RLAPI AudioStream LoadAudioStream(unsigned int sampleRate, unsigned int sampleSize, unsigned int channels); // Load audio stream (to stream raw audio pcm data)
-RLAPI bool IsAudioStreamReady(AudioStream stream);                    // Checks if an audio stream is ready
+RLAPI bool IsAudioStreamValid(AudioStream stream);                    // Checks if an audio stream is valid (buffers initialized)
 RLAPI void UnloadAudioStream(AudioStream stream);                     // Unload audio stream and free memory
 RLAPI void UpdateAudioStream(AudioStream stream, const void *data, int frameCount); // Update audio stream buffers with data
 RLAPI bool IsAudioStreamProcessed(AudioStream stream);                // Check if any audio stream buffers requires refill

src/rcore.c

@@ -1342,10 +1342,10 @@ Shader LoadShaderFromMemory(const char *vsCode, const char *fsCode)
     return shader;
 }
 
-// Check if a shader is ready
+// Check if a shader is valid (loaded on GPU)
-bool IsShaderReady(Shader shader)
+bool IsShaderValid(Shader shader)
 {
-    return ((shader.id > 0) &&          // Validate shader id (loaded successfully)
+    return ((shader.id > 0) &&          // Validate shader id (GPU loaded successfully)
             (shader.locs != NULL));     // Validate memory has been allocated for default shader locations
 
     // The following locations are tried to be set automatically (locs[i] >= 0),

src/rlgl.h

@@ -347,7 +347,6 @@
 #ifndef RL_DEFAULT_SHADER_ATTRIB_LOCATION_INDICES
     #define RL_DEFAULT_SHADER_ATTRIB_LOCATION_INDICES     6
 #endif
-
 #ifdef RL_SUPPORT_MESH_GPU_SKINNING
 #ifndef RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEIDS
     #define RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEIDS     7

src/rmodels.c

@@ -1155,8 +1155,8 @@ Model LoadModelFromMesh(Mesh mesh)
     return model;
 }
 
-// Check if a model is ready
+// Check if a model is valid (loaded in GPU, VAO/VBOs)
-bool IsModelReady(Model model)
+bool IsModelValid(Model model)
 {
     bool result = false;
 
@@ -1165,8 +1165,24 @@ bool IsModelReady(Model model)
         (model.meshMaterial != NULL) &&     // Validate mesh-material linkage
         (model.meshCount > 0) &&            // Validate mesh count
         (model.materialCount > 0)) result = true; // Validate material count
-
+        
-    // NOTE: This is a very general model validation, many elements could be validated from a model...
+    // NOTE: Many elements could be validated from a model, including every model mesh VAO/VBOs
+    // but some VBOs could not be used, it depends on Mesh vertex data
+    for (int i = 0; i < model.meshCount; i++)
+    {
+        if ((model.meshes[i].vertices != NULL) && (model.meshes[i].vboId[0] == 0)) { result = false; break; }  // Vertex position buffer not uploaded to GPU
+        if ((model.meshes[i].texcoords != NULL) && (model.meshes[i].vboId[1] == 0)) { result = false; break; }  // Vertex textcoords buffer not uploaded to GPU
+        if ((model.meshes[i].normals != NULL) && (model.meshes[i].vboId[2] == 0)) { result = false; break; }  // Vertex normals buffer not uploaded to GPU
+        if ((model.meshes[i].colors != NULL) && (model.meshes[i].vboId[3] == 0)) { result = false; break; }  // Vertex colors buffer not uploaded to GPU
+        if ((model.meshes[i].tangents != NULL) && (model.meshes[i].vboId[4] == 0)) { result = false; break; }  // Vertex tangents buffer not uploaded to GPU
+        if ((model.meshes[i].texcoords2 != NULL) && (model.meshes[i].vboId[5] == 0)) { result = false; break; }  // Vertex texcoords2 buffer not uploaded to GPU
+        if ((model.meshes[i].indices != NULL) && (model.meshes[i].vboId[6] == 0)) { result = false; break; }  // Vertex indices buffer not uploaded to GPU
+        if ((model.meshes[i].boneIds != NULL) && (model.meshes[i].vboId[7] == 0)) { result = false; break; }  // Vertex boneIds buffer not uploaded to GPU
+        if ((model.meshes[i].boneWeights != NULL) && (model.meshes[i].vboId[8] == 0)) { result = false; break; }  // Vertex boneWeights buffer not uploaded to GPU
+            
+        // NOTE: Some OpenGL versions do not support VAO, so we don't check it
+        //if (model.meshes[i].vaoId == 0) { result = false; break }
+    }
 
     return result;
 }
@@ -2182,13 +2198,15 @@ Material LoadMaterialDefault(void)
     return material;
 }
 
-// Check if a material is ready
+// Check if a material is valid (map textures loaded in GPU)
-bool IsMaterialReady(Material material)
+bool IsMaterialValid(Material material)
 {
     bool result = false;
 
     if ((material.maps != NULL) &&      // Validate material contain some map
         (material.shader.id > 0)) result = true; // Validate material shader is valid
+        
+    // TODO: Check if available maps contain loaded textures
 
     return result;
 }

src/rtext.c

@@ -581,17 +581,16 @@ Font LoadFontFromMemory(const char *fileType, const unsigned char *fileData, int
     return font;
 }
 
-// Check if a font is ready
+// Check if a font is valid (font data loaded)
-bool IsFontReady(Font font)
+// WARNING: GPU texture not checked
+bool IsFontValid(Font font)
 {
-    return ((font.texture.id > 0) &&    // Validate OpenGL id for font texture atlas
+    return ((font.baseSize > 0) &&      // Validate font size
-            (font.baseSize > 0) &&      // Validate font size
             (font.glyphCount > 0) &&    // Validate font contains some glyph
             (font.recs != NULL) &&      // Validate font recs defining glyphs on texture atlas
             (font.glyphs != NULL));     // Validate glyph data is loaded
 
-    // NOTE: Further validations could be done to verify if recs count and glyphs count
+    // NOTE: Further validations could be done to verify if recs and glyphs contain valid data (glyphs values, metrics...)
-    // match glyphCount and to verify that data contained is valid (glyphs values, metrics...)
 }
 
 // Load font data for further use

src/rtextures.c

@@ -600,15 +600,15 @@ Image LoadImageFromScreen(void)
 }
 
 // Check if an image is ready
-bool IsImageReady(Image image)
+bool IsImageValid(Image image)
 {
     bool result = false;
 
     if ((image.data != NULL) &&     // Validate pixel data available
-        (image.width > 0) &&
+        (image.width > 0) &&        // Validate image width
-        (image.height > 0) &&       // Validate image size
+        (image.height > 0) &&       // Validate image height
         (image.format > 0) &&       // Validate image format
-        (image.mipmaps > 0)) result = true;       // Validate image mipmaps (at least 1 for basic mipmap level)
+        (image.mipmaps > 0)) result = true; // Validate image mipmaps (at least 1 for basic mipmap level)
 
     return result;
 }
@@ -4224,16 +4224,16 @@ RenderTexture2D LoadRenderTexture(int width, int height)
     return target;
 }
 
-// Check if a texture is ready
+// Check if a texture is valid (loaded in GPU)
-bool IsTextureReady(Texture2D texture)
+bool IsTextureValid(Texture2D texture)
 {
     bool result = false;
 
-    // TODO: Validate maximum texture size supported by GPU?
+    // TODO: Validate maximum texture size supported by GPU
 
-    if ((texture.id > 0) &&         // Validate OpenGL id
+    if ((texture.id > 0) &&         // Validate OpenGL id (texture uplaoded to GPU)
-        (texture.width > 0) &&
+        (texture.width > 0) &&      // Validate texture width
-        (texture.height > 0) &&     // Validate texture size
+        (texture.height > 0) &&     // Validate texture height
         (texture.format > 0) &&     // Validate texture pixel format
         (texture.mipmaps > 0)) result = true;     // Validate texture mipmaps (at least 1 for basic mipmap level)
 
@@ -4251,14 +4251,14 @@ void UnloadTexture(Texture2D texture)
     }
 }
 
-// Check if a render texture is ready
+// Check if a render texture is valid (loaded in GPU)
-bool IsRenderTextureReady(RenderTexture2D target)
+bool IsRenderTextureValid(RenderTexture2D target)
 {
     bool result = false;
 
-    if ((target.id > 0) &&                  // Validate OpenGL id
+    if ((target.id > 0) &&                  // Validate OpenGL id (loaded on GPU)
-        IsTextureReady(target.depth) &&     // Validate FBO depth texture/renderbuffer
+        IsTextureValid(target.depth) &&     // Validate FBO depth texture/renderbuffer attachment
-        IsTextureReady(target.texture)) result = true;    // Validate FBO texture
+        IsTextureValid(target.texture)) result = true; // Validate FBO texture attachment
 
     return result;
 }