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Manual integration of material-pbr into develop

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Ray 2017-07-17 00:33:40 +02:00
parent 025dab9907
commit 6546474fa4
13 changed files with 1595 additions and 546 deletions
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10
examples/models/models_cubicmap.c
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@ -25,11 +25,13 @@ int main()
Image image = LoadImage("resources/cubicmap.png"); // Load cubicmap image (RAM)
Texture2D cubicmap = LoadTextureFromImage(image); // Convert image to texture to display (VRAM)
Model map = LoadCubicmap(image); // Load cubicmap model (generate model from image)
Mesh mesh = GenMeshCubicmap(image, VectorOne());
Model model = LoadModelFromMesh(mesh, false);
// NOTE: By default each cube is mapped to one part of texture atlas
Texture2D texture = LoadTexture("resources/cubicmap_atlas.png"); // Load map texture
map.material.texDiffuse = texture; // Set map diffuse texture
model.material.maps[TEXMAP_DIFFUSE].tex = texture; // Set map diffuse texture
Vector3 mapPosition = { -16.0f, 0.0f, -8.0f }; // Set model position
@ -56,7 +58,7 @@ int main()
Begin3dMode(camera);
DrawModel(map, mapPosition, 1.0f, WHITE);
DrawModel(model, mapPosition, 1.0f, WHITE);
End3dMode();
@ -76,7 +78,7 @@ int main()
//--------------------------------------------------------------------------------------
UnloadTexture(cubicmap); // Unload cubicmap texture
UnloadTexture(texture); // Unload map texture
UnloadModel(map); // Unload map model
UnloadModel(model); // Unload map model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------

185
examples/models/models_material_pbr.c Normal file
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@ -0,0 +1,185 @@
/*******************************************************************************************
*
* raylib [models] example - PBR material
*
* This example has been created using raylib 1.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2017 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#include "raymath.h"
#define MAX_LIGHTS 4 // Max lights supported by shader
#define LIGHT_DISTANCE 3.5f // Light distance from world center
#define LIGHT_HEIGHT 1.0f // Light height position
typedef enum {
LIGHT_DIRECTIONAL,
LIGHT_POINT
} LightType;
typedef struct {
bool enabled;
LightType type;
Vector3 position;
Vector3 target;
Color color;
int enabledLoc;
int typeLoc;
int posLoc;
int targetLoc;
int colorLoc;
} Light;
int lightsCount = 0; // Current amount of created lights
Light CreateLight(int type, Vector3 pos, Vector3 targ, Color color, Shader shader); // Defines a light and get locations from PBR shader
void UpdateLightValues(Shader shader, Light light); // Send to PBR shader light values
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
SetConfigFlags(FLAG_MSAA_4X_HINT); // Enable Multi Sampling Anti Aliasing 4x (if available)
InitWindow(screenWidth, screenHeight, "raylib [models] example - pbr material");
// Define the camera to look into our 3d world
Camera camera = {{ 4.0f, 4.0f, 4.0f }, { 0.0f, 0.5f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
// Load model and PBR material
Model model = LoadModel("resources/pbr/trooper.obj");
Texture2D texHDR = LoadTexture("resources/pinetree.hdr");
model.material = LoadMaterialPBR(texHDR, (Color){ 255, 255, 255, 255 }, 1.0f, 1.0f);
SetMaterialTexture(&model.material, TEXMAP_ALBEDO, LoadTexture("resources/pbr/trooper_albedo.png"));
SetMaterialTexture(&model.material, TEXMAP_NORMAL, LoadTexture("resources/pbr/trooper_normals.png"));
SetMaterialTexture(&model.material, TEXMAP_METALNESS, LoadTexture("resources/pbr/trooper_metalness.png"));
SetMaterialTexture(&model.material, TEXMAP_ROUGHNESS, LoadTexture("resources/pbr/trooper_roughness.png"));
SetMaterialTexture(&model.material, TEXMAP_OCCLUSION, LoadTexture("resources/pbr/trooper_ao.png"));
// Set textures filtering for better quality
SetTextureFilter(model.material.maps[TEXMAP_ALBEDO].tex, FILTER_BILINEAR);
SetTextureFilter(model.material.maps[TEXMAP_NORMAL].tex, FILTER_BILINEAR);
SetTextureFilter(model.material.maps[TEXMAP_METALNESS].tex, FILTER_BILINEAR);
SetTextureFilter(model.material.maps[TEXMAP_ROUGHNESS].tex, FILTER_BILINEAR);
SetTextureFilter(model.material.maps[TEXMAP_OCCLUSION].tex, FILTER_BILINEAR);
int renderModeLoc = GetShaderLocation(model.material.shader, "renderMode");
SetShaderValuei(model.material.shader, renderModeLoc, (int[1]){ 0 }, 1);
SetCameraMode(camera, CAMERA_ORBITAL); // Set an orbital camera mode
// Define lights attributes
Light lights[MAX_LIGHTS] = { CreateLight(LIGHT_POINT, (Vector3){ LIGHT_DISTANCE, LIGHT_HEIGHT, 0.0f }, (Vector3){ 0.0f, 0.0f, 0.0f }, (Color){ 255, 0, 0, 255 }, model.material.shader),
CreateLight(LIGHT_POINT, (Vector3){ 0.0f, LIGHT_HEIGHT, LIGHT_DISTANCE }, (Vector3){ 0.0f, 0.0f, 0.0f }, (Color){ 0, 255, 0, 255 }, model.material.shader),
CreateLight(LIGHT_POINT, (Vector3){ -LIGHT_DISTANCE, LIGHT_HEIGHT, 0.0f }, (Vector3){ 0.0f, 0.0f, 0.0f }, (Color){ 0, 0, 255, 255 }, model.material.shader),
CreateLight(LIGHT_DIRECTIONAL, (Vector3){ 0.0f, LIGHT_HEIGHT*2.0f, -LIGHT_DISTANCE }, (Vector3){ 0.0f, 0.0f, 0.0f }, (Color){ 255, 0, 255, 255 }, model.material.shader) };
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); // Update camera
// Send to material PBR shader camera view position
float cameraPos[3] = { camera.position.x, camera.position.y, camera.position.z };
SetShaderValue(model.material.shader, model.material.shader.locs[LOC_VECTOR_VIEW], cameraPos, 3);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
Begin3dMode(camera);
DrawModel(model, VectorZero(), 1.0f, WHITE);
DrawGrid(10, 1.0f);
End3dMode();
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadModel(model); // Unload skybox model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
// Defines a light and get locations from PBR shader
Light CreateLight(int type, Vector3 pos, Vector3 targ, Color color, Shader shader)
{
Light light = { 0 };
if (lightsCount < MAX_LIGHTS)
{
light.enabled = true;
light.type = type;
light.position = pos;
light.target = targ;
light.color = color;
char enabledName[32] = "lights[x].enabled\0";
char typeName[32] = "lights[x].type\0";
char posName[32] = "lights[x].position\0";
char targetName[32] = "lights[x].target\0";
char colorName[32] = "lights[x].color\0";
enabledName[7] = '0' + lightsCount;
typeName[7] = '0' + lightsCount;
posName[7] = '0' + lightsCount;
targetName[7] = '0' + lightsCount;
colorName[7] = '0' + lightsCount;
light.enabledLoc = GetShaderLocation(shader, enabledName);
light.typeLoc = GetShaderLocation(shader, typeName);
light.posLoc = GetShaderLocation(shader, posName);
light.targetLoc = GetShaderLocation(shader, targetName);
light.colorLoc = GetShaderLocation(shader, colorName);
UpdateLightValues(shader, light);
lightsCount++;
}
return light;
}
// Send to PBR shader light values
void UpdateLightValues(Shader shader, Light light)
{
// Send to shader light enabled state and type
SetShaderValuei(shader, light.enabledLoc, (int[1]){ light.enabled }, 1);
SetShaderValuei(shader, light.typeLoc, (int[1]){ light.type }, 1);
// Send to shader light position values
float position[3] = { light.position.x, light.position.y, light.position.z };
SetShaderValue(shader, light.posLoc, position, 3);
// Send to shader light target position values
float target[3] = { light.target.x, light.target.y, light.target.z };
SetShaderValue(shader, light.targetLoc, target, 3);
// Send to shader light color values
float diff[4] = { (float)light.color.r/(float)255, (float)light.color.g/(float)255, (float)light.color.b/(float)255, (float)light.color.a/(float)255 };
SetShaderValue(shader, light.colorLoc, diff, 4);
}

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examples/models/models_material_pbr.png Normal file
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89
examples/models/models_skybox.c Normal file
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@ -0,0 +1,89 @@
/*******************************************************************************************
*
* raylib [models] example - Skybox loading and drawing
*
* This example has been created using raylib 1.8 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2017 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#include "raymath.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox loading and drawing");
// Define the camera to look into our 3d world
Camera camera = {{ 1.0f, 1.0f, 1.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
// Load skybox model and shader
Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
Model skybox = LoadModelFromMesh(cube, false);
skybox.material.shader = LoadShader("resources/shaders/skybox.vs", "resources/shaders/skybox.fs");
Texture2D texHDR = LoadTexture("resources/pinetree.hdr");
skybox.material.maps[TEXMAP_CUBEMAP].tex = rlGenMapCubemap(texHDR, 512);
SetShaderValuei(skybox.material.shader, GetShaderLocation(skybox.material.shader, "environmentMap"), (int[1]){ TEXMAP_CUBEMAP }, 1);
// Get skybox shader locations
skybox.material.shader.locs[LOC_MATRIX_PROJECTION] = GetShaderLocation(skybox.material.shader, "projection");
skybox.material.shader.locs[LOC_MATRIX_VIEW] = GetShaderLocation(skybox.material.shader, "view");
// Then before rendering, configure the viewport to the actual screen dimensions
Matrix proj = MatrixPerspective(60.0, (double)GetScreenWidth()/(double)GetScreenHeight(), 0.01, 1000.0);
MatrixTranspose(&proj);
SetShaderValueMatrix(skybox.material.shader, skybox.material.shader.locs[LOC_MATRIX_PROJECTION], proj);
SetCameraMode(camera, CAMERA_ORBITAL); // Set an orbital 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); // Update camera
Matrix view = MatrixLookAt(camera.position, camera.target, camera.up);
SetShaderValueMatrix(skybox.material.shader, skybox.material.shader.locs[LOC_MATRIX_VIEW], view);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
Begin3dMode(camera);
DrawModel(skybox, VectorZero(), 1.0f, RED);
DrawGrid(10, 1.0f);
End3dMode();
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadModel(skybox); // Unload skybox model
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}

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2
examples/shaders/shaders_model_shader.c
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@ -38,7 +38,7 @@ int main()
"resources/shaders/glsl330/grayscale.fs"); // Load model shader
dwarf.material.shader = shader; // Set shader effect to 3d model
dwarf.material.texDiffuse = texture; // Bind texture to model
dwarf.material.maps[TEXMAP_DIFFUSE].tex = texture; // Bind texture to model
Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position

10
src/core.c
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@ -809,7 +809,7 @@ void EndDrawing(void)
{
// Get image data for the current frame (from backbuffer)
// NOTE: This process is very slow... :(
unsigned char *screenData = rlglReadScreenPixels(screenWidth, screenHeight);
unsigned char *screenData = rlReadScreenPixels(screenWidth, screenHeight);
GifWriteFrame(screenData, screenWidth, screenHeight, 10, 8, false);
free(screenData); // Free image data
@ -994,10 +994,10 @@ Ray GetMouseRay(Vector2 mousePosition, Camera camera)
MatrixTranspose(&matView);
//#define USE_RLGL_UNPROJECT
#if defined(USE_RLGL_UNPROJECT) // OPTION 1: Use rlglUnproject()
#if defined(USE_RLGL_UNPROJECT) // OPTION 1: Use rlUnproject()
Vector3 nearPoint = rlglUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 0.0f }, matProj, matView);
Vector3 farPoint = rlglUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 1.0f }, matProj, matView);
Vector3 nearPoint = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 0.0f }, matProj, matView);
Vector3 farPoint = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 1.0f }, matProj, matView);
#else // OPTION 2: Compute unprojection directly here
@ -1201,7 +1201,7 @@ void SetConfigFlags(char flags)
void TakeScreenshot(const char *fileName)
{
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
unsigned char *imgData = rlglReadScreenPixels(renderWidth, renderHeight);
unsigned char *imgData = rlReadScreenPixels(renderWidth, renderHeight);
SavePNG(fileName, imgData, renderWidth, renderHeight, 4); // Save image as PNG
free(imgData);

535
src/models.c
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@ -76,9 +76,6 @@ static Mesh LoadOBJ(const char *fileName); // Load OBJ mesh data
static Material LoadMTL(const char *fileName); // Load MTL material data
#endif
static Mesh GenMeshHeightmap(Image image, Vector3 size);
static Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize);
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
@ -587,110 +584,32 @@ void DrawGizmo(Vector3 position)
rlPopMatrix();
}
// Load mesh from file
Mesh LoadMesh(const char *fileName)
{
Mesh mesh = { 0 };
#if defined(SUPPORT_FILEFORMAT_OBJ)
if (IsFileExtension(fileName, ".obj")) mesh = LoadOBJ(fileName);
#else
TraceLog(LOG_WARNING, "[%s] Mesh fileformat not supported, it can't be loaded", fileName);
#endif
if (mesh.vertexCount == 0) TraceLog(LOG_WARNING, "Mesh could not be loaded");
else rlglLoadMesh(&mesh, false); // Upload vertex data to GPU (static mesh)
// TODO: Initialize default mesh data in case loading fails, maybe a cube?
return mesh;
}
// Load mesh from vertex data
// NOTE: All vertex data arrays must be same size: vertexCount
Mesh LoadMeshEx(int vertexCount, float *vData, float *vtData, float *vnData, Color *cData)
{
Mesh mesh = { 0 };
mesh.vertexCount = vertexCount;
mesh.triangleCount = vertexCount/3;
mesh.vertices = vData;
mesh.texcoords = vtData;
mesh.texcoords2 = NULL;
mesh.normals = vnData;
mesh.tangents = NULL;
mesh.colors = (unsigned char *)cData;
mesh.indices = NULL;
rlglLoadMesh(&mesh, false); // Upload vertex data to GPU (static mesh)
return mesh;
}
// Load model from file
// Load model from files (mesh and material)
Model LoadModel(const char *fileName)
{
Model model = { 0 };
model.mesh = LoadMesh(fileName);
model.transform = MatrixIdentity();
model.material = LoadDefaultMaterial();
model.material = LoadMaterialDefault();
return model;
}
// Load model from mesh data
Model LoadModelFromMesh(Mesh data, bool dynamic)
// Load model from generated mesh
Model LoadModelFromMesh(Mesh mesh, bool dynamic)
{
Model model = { 0 };
model.mesh = data;
rlglLoadMesh(&model.mesh, dynamic); // Upload vertex data to GPU
rlLoadMesh(&mesh, dynamic);
model.mesh = mesh;
model.transform = MatrixIdentity();
model.material = LoadDefaultMaterial();
model.material = LoadMaterialDefault();
return model;
}
// Load heightmap model from image data
// NOTE: model map size is defined in generic units
Model LoadHeightmap(Image heightmap, Vector3 size)
{
Model model = { 0 };
model.mesh = GenMeshHeightmap(heightmap, size);
rlglLoadMesh(&model.mesh, false); // Upload vertex data to GPU (static model)
model.transform = MatrixIdentity();
model.material = LoadDefaultMaterial();
return model;
}
// Load cubes-based map model from image data
Model LoadCubicmap(Image cubicmap)
{
Model model = { 0 };
model.mesh = GenMeshCubicmap(cubicmap, (Vector3){ 1.0f, 1.5f, 1.0f });
rlglLoadMesh(&model.mesh, false); // Upload vertex data to GPU (static model)
model.transform = MatrixIdentity();
model.material = LoadDefaultMaterial();
return model;
}
// Unload mesh from memory (RAM and/or VRAM)
void UnloadMesh(Mesh *mesh)
{
rlglUnloadMesh(mesh);
}
// Unload model from memory (RAM and/or VRAM)
void UnloadModel(Model model)
{
@ -700,49 +619,190 @@ void UnloadModel(Model model)
TraceLog(LOG_INFO, "Unloaded model data (mesh and material) from RAM and VRAM");
}
// Load material data (from file)
Material LoadMaterial(const char *fileName)
// Load mesh from file
Mesh LoadMesh(const char *fileName)
{
Material material = { 0 };
Mesh mesh = { 0 };
#if defined(SUPPORT_FILEFORMAT_MTL)
if (IsFileExtension(fileName, ".mtl")) material = LoadMTL(fileName);
#if defined(SUPPORT_FILEFORMAT_OBJ)
if (IsFileExtension(fileName, ".obj")) mesh = LoadOBJ(fileName);
#else
TraceLog(LOG_WARNING, "[%s] Material fileformat not supported, it can't be loaded", fileName);
TraceLog(WARNING, "[%s] Mesh fileformat not supported, it can't be loaded", fileName);
#endif
return material;
if (mesh.vertexCount == 0) TraceLog(WARNING, "Mesh could not be loaded");
else rlLoadMesh(&mesh, false); // Upload vertex data to GPU (static mesh)
// TODO: Initialize default mesh data in case loading fails, maybe a cube?
return mesh;
}
// Load default material (uses default models shader)
Material LoadDefaultMaterial(void)
// Unload mesh from memory (RAM and/or VRAM)
void UnloadMesh(Mesh *mesh)
{
Material material = { 0 };
material.shader = GetDefaultShader();
material.texDiffuse = GetDefaultTexture(); // White texture (1x1 pixel)
//material.texNormal; // NOTE: By default, not set
//material.texSpecular; // NOTE: By default, not set
material.colDiffuse = WHITE; // Diffuse color
material.colAmbient = WHITE; // Ambient color
material.colSpecular = WHITE; // Specular color
material.glossiness = 100.0f; // Glossiness level
return material;
rlUnloadMesh(mesh);
}
// Unload material from memory
void UnloadMaterial(Material material)
// Generated cuboid mesh
Mesh GenMeshCube(float width, float height, float length)
{
rlDeleteTextures(material.texDiffuse.id);
rlDeleteTextures(material.texNormal.id);
rlDeleteTextures(material.texSpecular.id);
Mesh mesh = { 0 };
/*
float vertices[] = {
-1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f,
1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
-1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f,
-1.0f, -1.0f, -1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 1.0f,
-1.0f, -1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
-1.0f, 1.0f, 1.0f, -1.0f, 0.0f, 0.0f, 1.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f,
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f,
1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 1.0f,
1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f,
-1.0f, -1.0f, 1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f,
-1.0f, -1.0f, -1.0f, 0.0f, -1.0f, 0.0f, 0.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
1.0f, 1.0f , 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 1.0f, -1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f
};
*/
float vertices[] = {
-width/2, -height/2, length/2,
width/2, -height/2, length/2,
width/2, height/2, length/2,
-width/2, height/2, length/2,
-width/2, -height/2, -length/2,
-width/2, height/2, -length/2,
width/2, height/2, -length/2,
width/2, -height/2, -length/2,
-width/2, height/2, -length/2,
-width/2, height/2, length/2,
width/2, height/2, length/2,
width/2, height/2, -length/2,
-width/2, -height/2, -length/2,
width/2, -height/2, -length/2,
width/2, -height/2, length/2,
-width/2, -height/2, length/2,
width/2, -height/2, -length/2,
width/2, height/2, -length/2,
width/2, height/2, length/2,
width/2, -height/2, length/2,
-width/2, -height/2, -length/2,
-width/2, -height/2, length/2,
-width/2, height/2, length/2,
-width/2, height/2, -length/2
};
float texcoords[] = {
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f,
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
0.0f, 1.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f,
0.0f, 1.0f
};
float normals[] = {
0.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f,
0.0f, 0.0f,-1.0f,
0.0f, 0.0f,-1.0f,
0.0f, 0.0f,-1.0f,
0.0f, 0.0f,-1.0f,
0.0f, 1.0f, 0.0f,
0.0f, 1.0f, 0.0f,
0.0f, 1.0f, 0.0f,
0.0f, 1.0f, 0.0f,
0.0f,-1.0f, 0.0f,
0.0f,-1.0f, 0.0f,
0.0f,-1.0f, 0.0f,
0.0f,-1.0f, 0.0f,
1.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 0.0f,
-1.0f, 0.0f, 0.0f
};
mesh.vertices = (float *)malloc(24*3*sizeof(float));
memcpy(mesh.vertices, vertices, 24*3*sizeof(float));
mesh.texcoords = (float *)malloc(24*2*sizeof(float));
memcpy(mesh.texcoords, texcoords, 24*2*sizeof(float));
mesh.normals = (float *)malloc(24*3*sizeof(float));
memcpy(mesh.normals, normals, 24*3*sizeof(float));
mesh.indices = (unsigned short *)malloc(36*sizeof(unsigned short));
int k = 0;
// Indices can be initialized right now
for (int i = 0; i < 36; i+=6)
{
mesh.indices[i] = 4*k;
mesh.indices[i+1] = 4*k+1;
mesh.indices[i+2] = 4*k+2;
mesh.indices[i+3] = 4*k;
mesh.indices[i+4] = 4*k+2;
mesh.indices[i+5] = 4*k+3;
k++;
}
mesh.vertexCount = 24;
mesh.triangleCount = 12;
return mesh;
}
// Generate a mesh from heightmap
static Mesh GenMeshHeightmap(Image heightmap, Vector3 size)
Mesh GenMeshHeightmap(Image heightmap, Vector3 size)
{
#define GRAY_VALUE(c) ((c.r+c.g+c.b)/3)
@ -847,7 +907,7 @@ static Mesh GenMeshHeightmap(Image heightmap, Vector3 size)
return mesh;
}
static Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize)
Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize)
{
Mesh mesh = { 0 };
@ -1201,6 +1261,202 @@ static Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize)
return mesh;
}
// Load material data (from file)
Material LoadMaterial(const char *fileName)
{
Material material = { 0 };
#if defined(SUPPORT_FILEFORMAT_MTL)
if (IsFileExtension(fileName, ".mtl")) material = LoadMTL(fileName);
#else
TraceLog(WARNING, "[%s] Material fileformat not supported, it can't be loaded", fileName);
#endif
return material;
}
// Load default material (Supports: DIFFUSE, SPECULAR, NORMAL maps)
Material LoadMaterialDefault(void)
{
Material material = { 0 };
material.shader = GetShaderDefault();
material.maps[TEXMAP_DIFFUSE].tex = GetTextureDefault(); // White texture (1x1 pixel)
//material.maps[TEXMAP_NORMAL].tex; // NOTE: By default, not set
//material.maps[TEXMAP_SPECULAR].tex; // NOTE: By default, not set
material.maps[TEXMAP_DIFFUSE].color = WHITE; // Diffuse color
material.maps[TEXMAP_SPECULAR].color = WHITE; // Specular color
return material;
}
// Load PBR material (Supports: ALBEDO, NORMAL, METALNESS, ROUGHNESS, AO, EMMISIVE, HEIGHT maps)
Material LoadMaterialPBR(Texture2D hdr, Color albedo, float metalness, float roughness)
{
Material mat = { 0 };
#define PATH_PBR_VS "resources/shaders/pbr.vs" // Path to physically based rendering vertex shader
#define PATH_PBR_FS "resources/shaders/pbr.fs" // Path to physically based rendering fragment shader
mat.shader = LoadShader(PATH_PBR_VS, PATH_PBR_FS);
// Get required locations points for PBR material
// NOTE: Those location names must be available and used in the shader code
mat.shader.locs[LOC_TEXMAP_ALBEDO] = GetShaderLocation(mat.shader, "albedo.sampler");
mat.shader.locs[LOC_TEXMAP_METALNESS] = GetShaderLocation(mat.shader, "metalness.sampler");
mat.shader.locs[LOC_TEXMAP_NORMAL] = GetShaderLocation(mat.shader, "normals.sampler");
mat.shader.locs[LOC_TEXMAP_ROUGHNESS] = GetShaderLocation(mat.shader, "roughness.sampler");
mat.shader.locs[LOC_TEXMAP_OCCUSION] = GetShaderLocation(mat.shader, "occlusion.sampler");
mat.shader.locs[LOC_TEXMAP_EMISSION] = GetShaderLocation(mat.shader, "emission.sampler");
mat.shader.locs[LOC_TEXMAP_HEIGHT] = GetShaderLocation(mat.shader, "height.sampler");
mat.shader.locs[LOC_TEXMAP_IRRADIANCE] = GetShaderLocation(mat.shader, "irradianceMap");
mat.shader.locs[LOC_TEXMAP_PREFILTER] = GetShaderLocation(mat.shader, "prefilterMap");
mat.shader.locs[LOC_TEXMAP_BRDF] = GetShaderLocation(mat.shader, "brdfLUT");
// Set view matrix location
mat.shader.locs[LOC_MATRIX_MODEL] = GetShaderLocation(mat.shader, "mMatrix");
mat.shader.locs[LOC_MATRIX_VIEW] = GetShaderLocation(mat.shader, "view");
mat.shader.locs[LOC_VECTOR_VIEW] = GetShaderLocation(mat.shader, "viewPos");
// Set up material properties color
mat.maps[TEXMAP_ALBEDO].color = albedo;
mat.maps[TEXMAP_NORMAL].color = (Color){ 128, 128, 255, 255 };
mat.maps[TEXMAP_METALNESS].value = metalness;
mat.maps[TEXMAP_ROUGHNESS].value = roughness;
mat.maps[TEXMAP_OCCLUSION].value = 1.0f;
mat.maps[TEXMAP_EMISSION].value = 0.0f;
mat.maps[TEXMAP_HEIGHT].value = 0.0f;
#define CUBEMAP_SIZE 1024 // Cubemap texture size
#define IRRADIANCE_SIZE 32 // Irradiance map from cubemap texture size
#define PREFILTERED_SIZE 256 // Prefiltered HDR environment map texture size
#define BRDF_SIZE 512 // BRDF LUT texture map size
// Set up environment materials cubemap
Texture2D cubemap = rlGenMapCubemap(hdr, CUBEMAP_SIZE);
mat.maps[TEXMAP_IRRADIANCE].tex = rlGenMapIrradiance(cubemap, IRRADIANCE_SIZE);
mat.maps[TEXMAP_PREFILTER].tex = rlGenMapPrefilter(cubemap, PREFILTERED_SIZE);
mat.maps[TEXMAP_BRDF].tex = rlGenMapBRDF(cubemap, BRDF_SIZE);
UnloadTexture(cubemap);
// NOTE: All maps textures are set to { 0 }
// Reset viewport dimensions to default
rlViewport(0, 0, GetScreenWidth(), GetScreenHeight());
return mat;
}
// Unload material from memory
void UnloadMaterial(Material material)
{
// Unload material shader
UnloadShader(material.shader);
// Unload loaded texture maps
for (int i = 0; i < MAX_MATERIAL_TEXTURE_MAPS; i++)
{
// NOTE: We already check for (tex.id > 0) inside function
rlDeleteTextures(material.maps[i].tex.id);
}
}
// Set material texture
void SetMaterialTexture(Material *mat, int texmapType, Texture2D texture)
{
mat->maps[texmapType].tex = texture;
// Update MaterialProperty use sampler state to use texture fetch instead of color attribute
int location = -1;
switch (texmapType)
{
case TEXMAP_ALBEDO:
{
location = GetShaderLocation(mat->shader, "albedo.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
case TEXMAP_NORMAL:
{
location = GetShaderLocation(mat->shader, "normals.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
case TEXMAP_METALNESS:
{
location = GetShaderLocation(mat->shader, "metalness.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
case TEXMAP_ROUGHNESS:
{
location = GetShaderLocation(mat->shader, "roughness.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
case TEXMAP_OCCLUSION:
{
location = GetShaderLocation(mat->shader, "occlusion.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
case TEXMAP_EMISSION:
{
location = GetShaderLocation(mat->shader, "emission.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
case TEXMAP_HEIGHT:
{
location = GetShaderLocation(mat->shader, "height.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 1 }, 1);
} break;
}
}
// Unset texture from material and unload it from GPU
void UnsetMaterialTexture(Material *mat, int texmapType)
{
UnloadTexture(mat->maps[texmapType].tex);
mat->maps[texmapType].tex = (Texture2D){ 0 };
// Update MaterialProperty use sampler state to use texture fetch instead of color attribute
int location = -1;
switch (texmapType)
{
case TEXMAP_ALBEDO:
{
location = GetShaderLocation(mat->shader, "albedo.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
case TEXMAP_NORMAL:
{
location = GetShaderLocation(mat->shader, "normals.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
case TEXMAP_METALNESS:
{
location = GetShaderLocation(mat->shader, "metalness.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
case TEXMAP_ROUGHNESS:
{
location = GetShaderLocation(mat->shader, "roughness.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
case TEXMAP_OCCLUSION:
{
location = GetShaderLocation(mat->shader, "occlusion.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
case TEXMAP_EMISSION:
{
location = GetShaderLocation(mat->shader, "emission.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
case TEXMAP_HEIGHT:
{
location = GetShaderLocation(mat->shader, "height.useSampler");
SetShaderValuei(mat->shader, location, (int [1]){ 0 }, 1);
} break;
}
}
// Draw a model (with texture if set)
void DrawModel(Model model, Vector3 position, float scale, Color tint)
{
@ -1225,9 +1481,9 @@ void DrawModelEx(Model model, Vector3 position, Vector3 rotationAxis, float rota
//Matrix matModel = MatrixMultiply(model.transform, matTransform); // Transform to world-space coordinates
model.transform = MatrixMultiply(model.transform, matTransform);
model.material.colDiffuse = tint; // TODO: Multiply tint color by diffuse color?
model.material.maps[TEXMAP_DIFFUSE].color = tint; // TODO: Multiply tint color by diffuse color?
rlglDrawMesh(model.mesh, model.material, model.transform);
rlDrawMesh(model.mesh, model.material, model.transform);
}
// Draw a model wires (with texture if set)
@ -1980,23 +2236,24 @@ static Material LoadMTL(const char *fileName)
case 'a': // Ka float float float Ambient color (RGB)
{
sscanf(buffer, "Ka %f %f %f", &color.x, &color.y, &color.z);
material.colAmbient.r = (unsigned char)(color.x*255);
material.colAmbient.g = (unsigned char)(color.y*255);
material.colAmbient.b = (unsigned char)(color.z*255);
// TODO: Support ambient color
//material.colAmbient.r = (unsigned char)(color.x*255);
//material.colAmbient.g = (unsigned char)(color.y*255);
//material.colAmbient.b = (unsigned char)(color.z*255);
} break;
case 'd': // Kd float float float Diffuse color (RGB)
{
sscanf(buffer, "Kd %f %f %f", &color.x, &color.y, &color.z);
material.colDiffuse.r = (unsigned char)(color.x*255);
material.colDiffuse.g = (unsigned char)(color.y*255);
material.colDiffuse.b = (unsigned char)(color.z*255);
material.maps[TEXMAP_DIFFUSE].color.r = (unsigned char)(color.x*255);
material.maps[TEXMAP_DIFFUSE].color.g = (unsigned char)(color.y*255);
material.maps[TEXMAP_DIFFUSE].color.b = (unsigned char)(color.z*255);
} break;
case 's': // Ks float float float Specular color (RGB)
{
sscanf(buffer, "Ks %f %f %f", &color.x, &color.y, &color.z);
material.colSpecular.r = (unsigned char)(color.x*255);
material.colSpecular.g = (unsigned char)(color.y*255);
material.colSpecular.b = (unsigned char)(color.z*255);
material.maps[TEXMAP_SPECULAR].color.r = (unsigned char)(color.x*255);
material.maps[TEXMAP_SPECULAR].color.g = (unsigned char)(color.y*255);
material.maps[TEXMAP_SPECULAR].color.b = (unsigned char)(color.z*255);
} break;
case 'e': // Ke float float float Emmisive color (RGB)
{
@ -2012,7 +2269,7 @@ static Material LoadMTL(const char *fileName)
int shininess = 0;
sscanf(buffer, "Ns %i", &shininess);
material.glossiness = (float)shininess;
//material.params[PARAM_GLOSSINES] = (float)shininess;
}
else if (buffer[1] == 'i') // Ni int Refraction index.
{
@ -2028,12 +2285,12 @@ static Material LoadMTL(const char *fileName)
if (buffer[5] == 'd') // map_Kd string Diffuse color texture map.
{
result = sscanf(buffer, "map_Kd %s", mapFileName);
if (result != EOF) material.texDiffuse = LoadTexture(mapFileName);
if (result != EOF) material.maps[TEXMAP_DIFFUSE].tex = LoadTexture(mapFileName);
}
else if (buffer[5] == 's') // map_Ks string Specular color texture map.
{
result = sscanf(buffer, "map_Ks %s", mapFileName);
if (result != EOF) material.texSpecular = LoadTexture(mapFileName);
if (result != EOF) material.maps[TEXMAP_SPECULAR].tex = LoadTexture(mapFileName);
}
else if (buffer[5] == 'a') // map_Ka string Ambient color texture map.
{
@ -2043,12 +2300,12 @@ static Material LoadMTL(const char *fileName)
case 'B': // map_Bump string Bump texture map.
{
result = sscanf(buffer, "map_Bump %s", mapFileName);
if (result != EOF) material.texNormal = LoadTexture(mapFileName);
if (result != EOF) material.maps[TEXMAP_NORMAL].tex = LoadTexture(mapFileName);
} break;
case 'b': // map_bump string Bump texture map.
{
result = sscanf(buffer, "map_bump %s", mapFileName);
if (result != EOF) material.texNormal = LoadTexture(mapFileName);
if (result != EOF) material.maps[TEXMAP_NORMAL].tex = LoadTexture(mapFileName);
} break;
case 'd': // map_d string Opacity texture map.
{
@ -2063,7 +2320,7 @@ static Material LoadMTL(const char *fileName)
{
float alpha = 1.0f;
sscanf(buffer, "d %f", &alpha);
material.colDiffuse.a = (unsigned char)(alpha*255);
material.maps[TEXMAP_DIFFUSE].color.a = (unsigned char)(alpha*255);
}
else if (buffer[1] == 'i') // disp string Displacement map
{
@ -2073,13 +2330,13 @@ static Material LoadMTL(const char *fileName)
case 'b': // bump string Bump texture map
{
result = sscanf(buffer, "bump %s", mapFileName);
if (result != EOF) material.texNormal = LoadTexture(mapFileName);
if (result != EOF) material.maps[TEXMAP_NORMAL].tex = LoadTexture(mapFileName);
} break;
case 'T': // Tr float Transparency Tr (alpha). Tr is inverse of d
{
float ialpha = 0.0f;
sscanf(buffer, "Tr %f", &ialpha);
material.colDiffuse.a = (unsigned char)((1.0f - ialpha)*255);
material.maps[TEXMAP_DIFFUSE].color.a = (unsigned char)((1.0f - ialpha)*255);
} break;
case 'r': // refl string Reflection texture map

127
src/raylib.h
View File

@ -291,6 +291,11 @@
#define MAGENTA CLITERAL{ 255, 0, 255, 255 } // Magenta
#define RAYWHITE CLITERAL{ 245, 245, 245, 255 } // My own White (raylib logo)
// Shader and material limits
#define MAX_SHADER_LOCATIONS 32
#define MAX_MATERIAL_TEXTURE_MAPS 12
#define MAX_MATERIAL_PARAMS 8
//----------------------------------------------------------------------------------
// Structures Definition
//----------------------------------------------------------------------------------
@ -420,43 +425,24 @@ typedef struct Mesh {
unsigned int vboId[7]; // OpenGL Vertex Buffer Objects id (7 types of vertex data)
} Mesh;
// Shader type (generic shader)
// Shader type (generic)
typedef struct Shader {
unsigned int id; // Shader program id
// Vertex attributes locations (default locations)
int vertexLoc; // Vertex attribute location point (default-location = 0)
int texcoordLoc; // Texcoord attribute location point (default-location = 1)
int texcoord2Loc; // Texcoord2 attribute location point (default-location = 5)
int normalLoc; // Normal attribute location point (default-location = 2)
int tangentLoc; // Tangent attribute location point (default-location = 4)
int colorLoc; // Color attibute location point (default-location = 3)
// Uniform locations
int mvpLoc; // ModelView-Projection matrix uniform location point (vertex shader)
int colDiffuseLoc; // Diffuse color uniform location point (fragment shader)
int colAmbientLoc; // Ambient color uniform location point (fragment shader)
int colSpecularLoc; // Specular color uniform location point (fragment shader)
// Texture map locations (generic for any kind of map)
int mapTexture0Loc; // Map texture uniform location point (default-texture-unit = 0)
int mapTexture1Loc; // Map texture uniform location point (default-texture-unit = 1)
int mapTexture2Loc; // Map texture uniform location point (default-texture-unit = 2)
int locs[MAX_SHADER_LOCATIONS]; // Initialized on LoadShader(), set to MAX_SHADER_LOCATIONS
} Shader;
// Material type
// Material texture map
typedef struct TextureMap {
Texture2D tex;
Color color;
float value;
} TextureMap;
// Material type (generic)
typedef struct Material {
Shader shader; // Standard shader (supports 3 map textures)
Texture2D texDiffuse; // Diffuse texture (binded to shader mapTexture0Loc)
Texture2D texNormal; // Normal texture (binded to shader mapTexture1Loc)
Texture2D texSpecular; // Specular texture (binded to shader mapTexture2Loc)
Color colDiffuse; // Diffuse color
Color colAmbient; // Ambient color
Color colSpecular; // Specular color
float glossiness; // Glossiness level (Ranges from 0 to 1000)
Shader shader;
TextureMap maps[MAX_MATERIAL_TEXTURE_MAPS]; // Initialized on LoadMaterial*(), set to MAX_MATERIAL_TEXTURE_MAPS
float *params; // Initialized on LoadMaterial*(), set to MAX_MATERIAL_PARAMS
} Material;
// Model type
@ -540,6 +526,54 @@ typedef enum {
LOG_OTHER
} LogType;
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_TEXMAP_ALBEDO, // LOC_TEXMAP_DIFFUSE
LOC_TEXMAP_METALNESS, // LOC_TEXMAP_SPECULAR
LOC_TEXMAP_NORMAL,
LOC_TEXMAP_ROUGHNESS,
LOC_TEXMAP_OCCUSION,
LOC_TEXMAP_EMISSION,
LOC_TEXMAP_HEIGHT,
LOC_TEXMAP_CUBEMAP,
LOC_TEXMAP_IRRADIANCE,
LOC_TEXMAP_PREFILTER,
LOC_TEXMAP_BRDF
} ShaderLocationIndex;
#define LOC_TEXMAP_DIFFUSE LOC_TEXMAP_ALBEDO
#define LOC_TEXMAP_SPECULAR LOC_TEXMAP_METALNESS
typedef enum {
TEXMAP_ALBEDO = 0, // TEXMAP_DIFFUSE
TEXMAP_METALNESS = 1, // TEXMAP_SPECULAR
TEXMAP_NORMAL = 2,
TEXMAP_ROUGHNESS = 3,
TEXMAP_OCCLUSION,
TEXMAP_EMISSION,
TEXMAP_HEIGHT,
TEXMAP_CUBEMAP, // NOTE: Uses GL_TEXTURE_CUBE_MAP
TEXMAP_IRRADIANCE, // NOTE: Uses GL_TEXTURE_CUBE_MAP
TEXMAP_PREFILTER, // NOTE: Uses GL_TEXTURE_CUBE_MAP
TEXMAP_BRDF
} TexmapIndex;
#define TEXMAP_DIFFUSE TEXMAP_ALBEDO
#define TEXMAP_SPECULAR TEXMAP_METALNESS
// Texture formats
// NOTE: Support depends on OpenGL version and platform
typedef enum {
@ -944,19 +978,26 @@ RLAPI void DrawGizmo(Vector3 position);
//------------------------------------------------------------------------------------
// Model loading/unloading functions
RLAPI Mesh LoadMesh(const char *fileName); // Load mesh from file
RLAPI Mesh LoadMeshEx(int numVertex, float *vData, float *vtData, float *vnData, Color *cData); // Load mesh from vertex data
RLAPI Model LoadModel(const char *fileName); // Load model from file
RLAPI Model LoadModelFromMesh(Mesh data, bool dynamic); // Load model from mesh data
RLAPI Model LoadHeightmap(Image heightmap, Vector3 size); // Load heightmap model from image data
RLAPI Model LoadCubicmap(Image cubicmap); // Load cubes-based map model from image data
RLAPI void UnloadMesh(Mesh *mesh); // Unload mesh from memory (RAM and/or VRAM)
RLAPI Model LoadModel(const char *fileName); // Load model from files (mesh and material)
RLAPI Model LoadModelFromMesh(Mesh mesh, bool dynamic); // Load model from generated mesh
RLAPI void UnloadModel(Model model); // Unload model from memory (RAM and/or VRAM)
// Mesh loading/unloading functions
RLAPI Mesh LoadMesh(const char *fileName); // Load mesh from file
//RLAPI void UpdateMesh(Mesh *mesh, int type, void *data); // Update mesh data (CPU and GPU)
RLAPI void UnloadMesh(Mesh *mesh); // Unload mesh from memory (RAM and/or VRAM)
RLAPI Mesh GenMeshCube(float width, float height, float length); // Generate cuboid mesh
RLAPI Mesh GenMeshHeightmap(Image heightmap, Vector3 size); // Generate heightmap mesh from image data
RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); // Generate cubes-based map mesh from image data
// Material loading/unloading functions
RLAPI Material LoadMaterial(const char *fileName); // Load material from file
RLAPI Material LoadDefaultMaterial(void); // Load default material (uses default models shader)
RLAPI Material LoadMaterialDefault(void); // Load default material (Supports: DIFFUSE, SPECULAR, NORMAL maps)
RLAPI Material LoadMaterialPBR(Texture2D cubemap, Color albedo, float metalness, float roughness); // Load PBR material (Supports: ALBEDO, NORMAL, METALNESS, ROUGHNESS...)
RLAPI void UnloadMaterial(Material material); // Unload material from GPU memory (VRAM)
RLAPI void SetMaterialTexture(Material *mat, int texmapType, Texture2D texture); // Set material texture
RLAPI void UnsetMaterialTexture(Material *mat, int texmapType); // Unset texture from material and unload it from GPU
// Model drawing functions
RLAPI void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set)
@ -993,8 +1034,10 @@ RLAPI char *LoadText(const char *fileName); // Loa
RLAPI Shader LoadShader(char *vsFileName, char *fsFileName); // Load shader from files and bind default locations
RLAPI void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM)
RLAPI Shader GetDefaultShader(void); // Get default shader
RLAPI Texture2D GetDefaultTexture(void); // Get default texture
RLAPI Shader GetShaderDefault(void); // Get default shader
RLAPI Texture2D GetTextureDefault(void); // Get default texture
RLAPI Texture2D rlGenMapCubemap(Texture2D skyHDR, int size); // Generate cubemap texture map from HDR texture
// Shader configuration functions
RLAPI int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location

950
src/rlgl.c
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File diff suppressed because it is too large Load Diff

201
src/rlgl.h
View File

@ -145,6 +145,54 @@ typedef unsigned char byte;
// Boolean type
typedef enum { false, true } bool;
#endif
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_TEXMAP_ALBEDO, // LOC_TEXMAP_DIFFUSE
LOC_TEXMAP_METALNESS, // LOC_TEXMAP_SPECULAR
LOC_TEXMAP_NORMAL,
LOC_TEXMAP_ROUGHNESS,
LOC_TEXMAP_OCCUSION,
LOC_TEXMAP_EMISSION,
LOC_TEXMAP_HEIGHT,
LOC_TEXMAP_CUBEMAP,
LOC_TEXMAP_IRRADIANCE,
LOC_TEXMAP_PREFILTER,
LOC_TEXMAP_BRDF
} ShaderLocationIndex;
#define LOC_TEXMAP_DIFFUSE LOC_TEXMAP_ALBEDO
#define LOC_TEXMAP_SPECULAR LOC_TEXMAP_METALNESS
typedef enum {
TEXMAP_ALBEDO = 0, // TEXMAP_DIFFUSE
TEXMAP_METALNESS = 1, // TEXMAP_SPECULAR
TEXMAP_NORMAL = 2,
TEXMAP_ROUGHNESS = 3,
TEXMAP_OCCLUSION,
TEXMAP_EMISSION,
TEXMAP_HEIGHT,
TEXMAP_CUBEMAP, // NOTE: Uses GL_TEXTURE_CUBE_MAP
TEXMAP_IRRADIANCE, // NOTE: Uses GL_TEXTURE_CUBE_MAP
TEXMAP_PREFILTER, // NOTE: Uses GL_TEXTURE_CUBE_MAP
TEXMAP_BRDF
} TexmapIndex;
#define TEXMAP_DIFFUSE TEXMAP_ALBEDO
#define TEXMAP_SPECULAR TEXMAP_METALNESS
// Color type, RGBA (32bit)
typedef struct Color {
@ -186,44 +234,30 @@ typedef unsigned char byte;
unsigned int vaoId; // OpenGL Vertex Array Object id
unsigned int vboId[7]; // OpenGL Vertex Buffer Objects id (7 types of vertex data)
} Mesh;
// Shader type (generic shader)
// Shader and material limits
#define MAX_SHADER_LOCATIONS 32
#define MAX_MATERIAL_TEXTURE_MAPS 12
#define MAX_MATERIAL_PARAMS 8
// Shader type (generic)
typedef struct Shader {
unsigned int id; // Shader program id
// Vertex attributes locations (default locations)
int vertexLoc; // Vertex attribute location point (default-location = 0)
int texcoordLoc; // Texcoord attribute location point (default-location = 1)
int normalLoc; // Normal attribute location point (default-location = 2)
int colorLoc; // Color attibute location point (default-location = 3)
int tangentLoc; // Tangent attribute location point (default-location = 4)
int texcoord2Loc; // Texcoord2 attribute location point (default-location = 5)
// Uniform locations
int mvpLoc; // ModelView-Projection matrix uniform location point (vertex shader)
int colDiffuseLoc; // Color uniform location point (fragment shader)
int colAmbientLoc; // Ambient color uniform location point (fragment shader)
int colSpecularLoc; // Specular color uniform location point (fragment shader)
// Texture map locations (generic for any kind of map)
int mapTexture0Loc; // Map texture uniform location point (default-texture-unit = 0)
int mapTexture1Loc; // Map texture uniform location point (default-texture-unit = 1)
int mapTexture2Loc; // Map texture uniform location point (default-texture-unit = 2)
int locs[MAX_SHADER_LOCATIONS]; // Initialized on LoadShader(), set to MAX_SHADER_LOCATIONS
} Shader;
// Material type
// Material texture map
typedef struct TextureMap {
Texture2D tex;
Color color;
float value;
} TextureMap;
// Material type (generic)
typedef struct Material {
Shader shader; // Standard shader (supports 3 map types: diffuse, normal, specular)
Texture2D texDiffuse; // Diffuse texture
Texture2D texNormal; // Normal texture
Texture2D texSpecular; // Specular texture
Color colDiffuse; // Diffuse color
Color colAmbient; // Ambient color
Color colSpecular; // Specular color
float glossiness; // Glossiness level (Ranges from 0 to 1000)
Shader shader;
TextureMap maps[MAX_TEXTURE_MAPS]; // Initialized on LoadMaterial*(), set to MAX_TEXTURE_MAPS
float *params; // Initialized on LoadMaterial*(), set to MAX_MATERIAL_PARAMS
} Material;
// Camera type, defines a camera position/orientation in 3d space
@ -343,23 +377,24 @@ void rlColor4f(float x, float y, float z, float w); // Define one vertex (color)
// 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 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 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)
int rlGetVersion(void); // Returns current OpenGL version
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)
int rlGetVersion(void); // Returns current OpenGL version
Vector3 rlUnproject(Vector3 source, Matrix proj, Matrix view); // Get world coordinates from screen coordinates
//------------------------------------------------------------------------------------
// Functions Declaration - rlgl functionality
@ -369,24 +404,26 @@ void rlglClose(void); // De-init rlgl
void rlglDraw(void); // Draw VAO/VBO
void rlglLoadExtensions(void *loader); // Load OpenGL extensions
unsigned int rlglLoadTexture(void *data, int width, int height, int format, int mipmapCount); // Load texture in GPU
RenderTexture2D rlglLoadRenderTexture(int width, int height); // Load a texture to be used for rendering (fbo with color and depth attachments)
void rlglUpdateTexture(unsigned int id, int width, int height, int format, const void *data); // Update GPU texture with new data
void rlglGenerateMipmaps(Texture2D *texture); // Generate mipmap data for selected texture
// 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)
void rlglLoadMesh(Mesh *mesh, bool dynamic); // Upload vertex data into GPU and provided VAO/VBO ids
void rlglUpdateMesh(Mesh mesh, int buffer, int numVertex); // Update vertex data on GPU (upload new data to one buffer)
void rlglDrawMesh(Mesh mesh, Material material, Matrix transform); // Draw a 3d mesh with material and transform
void rlglUnloadMesh(Mesh *mesh); // Unload mesh data from CPU and GPU
// 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
Vector3 rlglUnproject(Vector3 source, Matrix proj, Matrix view); // Get world coordinates from screen coordinates
unsigned char *rlglReadScreenPixels(int width, int height); // Read screen pixel data (color buffer)
void *rlglReadTexturePixels(Texture2D texture); // Read texture pixel data
// VR functions exposed to core module but not to raylib users
void BeginVrDrawing(void); // Begin VR drawing configuration
void EndVrDrawing(void); // End VR drawing process (and desktop mirror)
// Texture maps generation (PBR)
Texture2D rlGenMapCubemap(Texture2D skyHDR, int size); // Generate cubemap texture map from HDR texture
Texture2D rlGenMapIrradiance(Texture2D cubemap, int size); // Generate irradiance texture map
Texture2D rlGenMapPrefilter(Texture2D cubemap, int size); // Generate prefilter texture map
Texture2D rlGenMapBRDF(Texture2D cubemap, int size); // Generate BRDF texture map
// 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
@ -396,34 +433,34 @@ void EndVrDrawing(void); // End VR drawing process (and deskt
// 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 LoadShader(char *vsFileName, char *fsFileName); // Load a custom shader and bind default locations
void UnloadShader(Shader shader); // Unload a custom shader from memory
Shader GetDefaultShader(void); // Get default shader
Texture2D GetDefaultTexture(void); // Get default texture
Shader GetShaderDefault(void); // Get default shader
Texture2D GetTextureDefault(void); // Get default texture
int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location
void SetShaderValue(Shader shader, int uniformLoc, float *value, int size); // Set shader uniform value (float)
void SetShaderValuei(Shader shader, int uniformLoc, 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)
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)
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)
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)
void TraceLog(int msgType, const char *text, ...); // Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG)
float *MatrixToFloat(Matrix mat); // Get float array from Matrix data
void InitVrSimulator(int vrDevice); // Init VR simulator for selected device
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 InitVrSimulator(int vrDevice); // Init VR simulator for selected device
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)
float *MatrixToFloat(Matrix mat); // Converts Matrix to float array
#endif
#ifdef __cplusplus

10
src/shapes.c
View File

@ -119,7 +119,7 @@ void DrawLineEx(Vector2 startPos, Vector2 endPos, float thick, Color color)
float d = sqrtf(dx*dx + dy*dy);
float angle = asinf(dy/d);
rlEnableTexture(GetDefaultTexture().id);
rlEnableTexture(GetTextureDefault().id);
rlPushMatrix();
rlTranslatef((float)startPos.x, (float)startPos.y, 0);
@ -203,7 +203,7 @@ void DrawCircleV(Vector2 center, float radius, Color color)
}
else if ((rlGetVersion() == OPENGL_21) || (rlGetVersion() == OPENGL_33) || (rlGetVersion() == OPENGL_ES_20))
{
rlEnableTexture(GetDefaultTexture().id); // Default white texture
rlEnableTexture(GetTextureDefault().id); // Default white texture
rlBegin(RL_QUADS);
for (int i = 0; i < 360; i += 20)
@ -253,7 +253,7 @@ void DrawRectangleRec(Rectangle rec, Color color)
void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color)
{
rlEnableTexture(GetDefaultTexture().id);
rlEnableTexture(GetTextureDefault().id);
rlPushMatrix();
rlTranslatef((float)rec.x, (float)rec.y, 0);
@ -309,7 +309,7 @@ void DrawRectangleV(Vector2 position, Vector2 size, Color color)
}
else if ((rlGetVersion() == OPENGL_21) || (rlGetVersion() == OPENGL_33) || (rlGetVersion() == OPENGL_ES_20))
{
rlEnableTexture(GetDefaultTexture().id); // Default white texture
rlEnableTexture(GetTextureDefault().id); // Default white texture
rlBegin(RL_QUADS);
rlColor4ub(color.r, color.g, color.b, color.a);
@ -376,7 +376,7 @@ void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color)
}
else if ((rlGetVersion() == OPENGL_21) || (rlGetVersion() == OPENGL_33) || (rlGetVersion() == OPENGL_ES_20))
{
rlEnableTexture(GetDefaultTexture().id); // Default white texture
rlEnableTexture(GetTextureDefault().id); // Default white texture
rlBegin(RL_QUADS);
rlColor4ub(color.r, color.g, color.b, color.a);

22
src/textures.c
View File

@ -63,8 +63,8 @@
#include <string.h> // Required for: strcmp(), strrchr(), strncmp()
#include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 3.3 or ES2
// Required for: rlglLoadTexture() rlDeleteTextures(),
// rlglGenerateMipmaps(), some funcs for DrawTexturePro()
// Required for: rlLoadTexture() rlDeleteTextures(),
// rlGenerateMipmaps(), some funcs for DrawTexturePro()
#include "utils.h" // Required for: fopen() Android mapping
@ -384,7 +384,7 @@ Texture2D LoadTextureFromImage(Image image)
{
Texture2D texture = { 0 };
texture.id = rlglLoadTexture(image.data, image.width, image.height, image.format, image.mipmaps);
texture.id = rlLoadTexture(image.data, image.width, image.height, image.format, image.mipmaps);
texture.width = image.width;
texture.height = image.height;
@ -399,7 +399,7 @@ Texture2D LoadTextureFromImage(Image image)
// Load texture for rendering (framebuffer)
RenderTexture2D LoadRenderTexture(int width, int height)
{
RenderTexture2D target = rlglLoadRenderTexture(width, height);
RenderTexture2D target = rlLoadRenderTexture(width, height);
return target;
}
@ -416,7 +416,7 @@ void UnloadImage(Image image)
// Unload texture from GPU memory (VRAM)
void UnloadTexture(Texture2D texture)
{
if (texture.id != 0)
if (texture.id > 0)
{
rlDeleteTextures(texture.id);
@ -427,7 +427,7 @@ void UnloadTexture(Texture2D texture)
// Unload render texture from GPU memory (VRAM)
void UnloadRenderTexture(RenderTexture2D target)
{
if (target.id != 0) rlDeleteRenderTextures(target);
if (target.id > 0) rlDeleteRenderTextures(target);
}
// Get pixel data from image in the form of Color struct array
@ -525,7 +525,7 @@ Image GetTextureData(Texture2D texture)
if (texture.format < 8)
{
image.data = rlglReadTexturePixels(texture);
image.data = rlReadTexturePixels(texture);
if (image.data != NULL)
{
@ -553,7 +553,7 @@ Image GetTextureData(Texture2D texture)
// NOTE: pixels data must match texture.format
void UpdateTexture(Texture2D texture, const void *pixels)
{
rlglUpdateTexture(texture.id, texture.width, texture.height, texture.format, pixels);
rlUpdateTexture(texture.id, texture.width, texture.height, texture.format, pixels);
}
// Save image to a PNG file
@ -1660,9 +1660,9 @@ void GenTextureMipmaps(Texture2D *texture)
{
TraceLog(LOG_WARNING, "Limited NPOT support, no mipmaps available for NPOT textures");
}
else rlglGenerateMipmaps(texture);
else rlGenerateMipmaps(texture);
#else
rlglGenerateMipmaps(texture);
rlGenerateMipmaps(texture);
#endif
}
@ -1792,7 +1792,7 @@ void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, Co
void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, Vector2 origin, float rotation, Color tint)
{
// Check if texture is valid
if (texture.id != 0)
if (texture.id > 0)
{
if (sourceRec.width < 0) sourceRec.x -= sourceRec.width;
if (sourceRec.height < 0) sourceRec.y -= sourceRec.height;