diff --git a/examples/resources/texture_formats/sonic.png b/examples/resources/texture_formats/sonic.png new file mode 100644 index 00000000..7a096847 Binary files /dev/null and b/examples/resources/texture_formats/sonic.png differ diff --git a/examples/resources/texture_formats/sonic_A1R5G5B5.dds b/examples/resources/texture_formats/sonic_A1R5G5B5.dds new file mode 100644 index 00000000..5e2347db Binary files /dev/null and b/examples/resources/texture_formats/sonic_A1R5G5B5.dds differ diff --git a/examples/resources/texture_formats/sonic_A4R4G4B4.dds b/examples/resources/texture_formats/sonic_A4R4G4B4.dds new file mode 100644 index 00000000..c5ccaf0c Binary files /dev/null and b/examples/resources/texture_formats/sonic_A4R4G4B4.dds differ diff --git a/examples/resources/texture_formats/sonic_A8R8G8B8.dds b/examples/resources/texture_formats/sonic_A8R8G8B8.dds new file mode 100644 index 00000000..fb71b7be Binary files /dev/null and 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b/examples/resources/texture_formats/sonic_PVRT_RGB_2bpp.pvr new file mode 100644 index 00000000..2a8aea8c Binary files /dev/null and b/examples/resources/texture_formats/sonic_PVRT_RGB_2bpp.pvr differ diff --git a/examples/resources/texture_formats/sonic_R4G4B4A4.pvr b/examples/resources/texture_formats/sonic_R4G4B4A4.pvr new file mode 100644 index 00000000..3f7368a3 Binary files /dev/null and b/examples/resources/texture_formats/sonic_R4G4B4A4.pvr differ diff --git a/examples/resources/texture_formats/sonic_R5G5B5A1.pvr b/examples/resources/texture_formats/sonic_R5G5B5A1.pvr new file mode 100644 index 00000000..c7fa098d Binary files /dev/null and b/examples/resources/texture_formats/sonic_R5G5B5A1.pvr differ diff --git a/examples/resources/texture_formats/sonic_R5G6B5.dds b/examples/resources/texture_formats/sonic_R5G6B5.dds new file mode 100644 index 00000000..217da954 Binary files /dev/null and b/examples/resources/texture_formats/sonic_R5G6B5.dds differ diff --git a/examples/resources/texture_formats/sonic_R5G6B5.pvr b/examples/resources/texture_formats/sonic_R5G6B5.pvr new file mode 100644 index 00000000..9bb8320e Binary files /dev/null and b/examples/resources/texture_formats/sonic_R5G6B5.pvr differ diff --git a/examples/resources/texture_formats/sonic_R8G8B8.pvr b/examples/resources/texture_formats/sonic_R8G8B8.pvr new file mode 100644 index 00000000..072cf3ef Binary files /dev/null and b/examples/resources/texture_formats/sonic_R8G8B8.pvr differ diff --git a/examples/resources/texture_formats/sonic_R8G8B8A8.pvr b/examples/resources/texture_formats/sonic_R8G8B8A8.pvr new file mode 100644 index 00000000..f82534f9 Binary files /dev/null and b/examples/resources/texture_formats/sonic_R8G8B8A8.pvr differ diff --git a/examples/resources/texture_formats/sonic_R8G8B8A8.raw b/examples/resources/texture_formats/sonic_R8G8B8A8.raw new file mode 100644 index 00000000..fc5858e7 Binary files /dev/null and b/examples/resources/texture_formats/sonic_R8G8B8A8.raw differ diff --git a/examples/textures_formats_loading.c b/examples/textures_formats_loading.c new file mode 100644 index 00000000..a758fe27 --- /dev/null +++ b/examples/textures_formats_loading.c @@ -0,0 +1,244 @@ +/******************************************************************************************* +* +* raylib [textures] example - texture formats loading (compressed and uncompressed) +* +* NOTE: This example requires raylib OpenGL 3.3+ or ES2 versions for compressed textures, +* OpenGL 1.1 does not support compressed textures, only uncompressed ones. +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2015 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#define NUM_TEXTURES 24 + +typedef enum { + PNG_R8G8B8A8 = 0, + PVR_GRAYSCALE, + PVR_GRAY_ALPHA, + PVR_R5G6B5, + PVR_R5G5B5A1, + PVR_R4G4B4A4, + DDS_R5G6B5, + DDS_R5G5B5A1, + DDS_R4G4B4A4, + DDS_R8G8B8A8, + DDS_DXT1_RGB, + DDS_DXT1_RGBA, + DDS_DXT3_RGBA, + DDS_DXT5_RGBA, + PKM_ETC1_RGB, + PKM_ETC2_RGB, + PKM_ETC2_EAC_RGBA, + KTX_ETC1_RGB, + KTX_ETC2_RGB, + KTX_ETC2_EAC_RGBA, + ASTC_4x4_LDR, + ASTC_8x8_LDR, + PVR_PVRT_RGB, + PVR_PVRT_RGBA + +} TextureFormats; + +static const char *formatText[] = { + "PNG_R8G8B8A8", + "PVR_GRAYSCALE", + "PVR_GRAY_ALPHA", + "PVR_R5G6B5", + "PVR_R5G5B5A1", + "PVR_R4G4B4A4", + "DDS_R5G6B5", + "DDS_R5G5B5A1", + "DDS_R4G4B4A4", + "DDS_R8G8B8A8", + "DDS_DXT1_RGB", + "DDS_DXT1_RGBA", + "DDS_DXT3_RGBA", + "DDS_DXT5_RGBA", + "PKM_ETC1_RGB", + "PKM_ETC2_RGB", + "PKM_ETC2_EAC_RGBA", + "KTX_ETC1_RGB", + "KTX_ETC2_RGB", + "KTX_ETC2_EAC_RGBA", + "ASTC_4x4_LDR", + "ASTC_8x8_LDR", + "PVR_PVRT_RGB", + "PVR_PVRT_RGBA" +}; + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 480; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture formats loading"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + Texture2D sonic[NUM_TEXTURES]; + + sonic[PNG_R8G8B8A8] = LoadTexture("resources/texture_formats/sonic.png"); + + // Load UNCOMPRESSED PVR texture data + sonic[PVR_GRAYSCALE] = LoadTexture("resources/texture_formats/sonic_GRAYSCALE.pvr"); + sonic[PVR_GRAY_ALPHA] = LoadTexture("resources/texture_formats/sonic_L8A8.pvr"); + sonic[PVR_R5G6B5] = LoadTexture("resources/texture_formats/sonic_R5G6B5.pvr"); + sonic[PVR_R5G5B5A1] = LoadTexture("resources/texture_formats/sonic_R5G5B5A1.pvr"); + sonic[PVR_R4G4B4A4] = LoadTexture("resources/texture_formats/sonic_R4G4B4A4.pvr"); + + // Load UNCOMPRESSED DDS texture data + sonic[DDS_R5G6B5] = LoadTexture("resources/texture_formats/sonic_R5G6B5.dds"); + sonic[DDS_R5G5B5A1] = LoadTexture("resources/texture_formats/sonic_A1R5G5B5.dds"); + sonic[DDS_R4G4B4A4] = LoadTexture("resources/texture_formats/sonic_A4R4G4B4.dds"); + sonic[DDS_R8G8B8A8] = LoadTexture("resources/texture_formats/sonic_A8R8G8B8.dds"); + + // Load COMPRESSED DXT DDS texture data (if supported) + sonic[DDS_DXT1_RGB] = LoadTexture("resources/texture_formats/sonic_DXT1_RGB.dds"); + sonic[DDS_DXT1_RGBA] = LoadTexture("resources/texture_formats/sonic_DXT1_RGBA.dds"); + sonic[DDS_DXT3_RGBA] = LoadTexture("resources/texture_formats/sonic_DXT3_RGBA.dds"); + sonic[DDS_DXT5_RGBA] = LoadTexture("resources/texture_formats/sonic_DXT5_RGBA.dds"); + + // Load COMPRESSED ETC texture data (if supported) + sonic[PKM_ETC1_RGB] = LoadTexture("resources/texture_formats/sonic_ETC1_RGB.pkm"); + sonic[PKM_ETC2_RGB] = LoadTexture("resources/texture_formats/sonic_ETC2_RGB.pkm"); + sonic[PKM_ETC2_EAC_RGBA] = LoadTexture("resources/texture_formats/sonic_ETC2_EAC_RGBA.pkm"); + + sonic[KTX_ETC1_RGB] = LoadTexture("resources/texture_formats/sonic_ETC1_RGB.ktx"); + sonic[KTX_ETC2_RGB] = LoadTexture("resources/texture_formats/sonic_ETC2_RGB.ktx"); + sonic[KTX_ETC2_EAC_RGBA] = LoadTexture("resources/texture_formats/sonic_ETC2_EAC_RGBA.ktx"); + + // Load COMPRESSED ASTC texture data (if supported) + sonic[ASTC_4x4_LDR] = LoadTexture("resources/texture_formats/sonic_ASTC_4x4_ldr.astc"); + sonic[ASTC_8x8_LDR] = LoadTexture("resources/texture_formats/sonic_ASTC_8x8_ldr.astc"); + + // Load COMPRESSED PVR texture data (if supported) + sonic[PVR_PVRT_RGB] = LoadTexture("resources/texture_formats/sonic_PVRT_RGB.pvr"); + sonic[PVR_PVRT_RGBA] = LoadTexture("resources/texture_formats/sonic_PVRT_RGBA.pvr"); + + int selectedFormat = PNG_R8G8B8A8; + + Rectangle selectRecs[NUM_TEXTURES]; + + for (int i = 0; i < NUM_TEXTURES; i++) + { + if (i < NUM_TEXTURES/2) selectRecs[i] = (Rectangle){ 40, 45 + 32*i, 150, 30 }; + else selectRecs[i] = (Rectangle){ 40 + 152, 45 + 32*(i - NUM_TEXTURES/2), 150, 30 }; + } + + // Texture sizes in KB + float textureSizes[NUM_TEXTURES] = { + 512*512*32/8/1024, //PNG_R8G8B8A8 (32 bpp) + 512*512*8/8/1024, //PVR_GRAYSCALE (8 bpp) + 512*512*16/8/1024, //PVR_GRAY_ALPHA (16 bpp) + 512*512*16/8/1024, //PVR_R5G6B5 (16 bpp) + 512*512*16/8/1024, //PVR_R5G5B5A1 (16 bpp) + 512*512*16/8/1024, //PVR_R4G4B4A4 (16 bpp) + 512*512*16/8/1024, //DDS_R5G6B5 (16 bpp) + 512*512*16/8/1024, //DDS_R5G5B5A1 (16 bpp) + 512*512*16/8/1024, //DDS_R4G4B4A4 (16 bpp) + 512*512*32/8/1024, //DDS_R8G8B8A8 (32 bpp) + 512*512*4/8/1024, //DDS_DXT1_RGB (4 bpp) -Compressed- + 512*512*4/8/1024, //DDS_DXT1_RGBA (4 bpp) -Compressed- + 512*512*8/8/1024, //DDS_DXT3_RGBA (8 bpp) -Compressed- + 512*512*8/8/1024, //DDS_DXT5_RGBA (8 bpp) -Compressed- + 512*512*4/8/1024, //PKM_ETC1_RGB (4 bpp) -Compressed- + 512*512*4/8/1024, //PKM_ETC2_RGB (4 bpp) -Compressed- + 512*512*8/8/1024, //PKM_ETC2_EAC_RGBA (8 bpp) -Compressed- + 512*512*4/8/1024, //KTX_ETC1_RGB (4 bpp) -Compressed- + 512*512*4/8/1024, //KTX_ETC2_RGB (4 bpp) -Compressed- + 512*512*8/8/1024, //KTX_ETC2_EAC_RGBA (8 bpp) -Compressed- + 512*512*8/8/1024, //ASTC_4x4_LDR (8 bpp) -Compressed- + 512*512*2/8/1024, //ASTC_8x8_LDR (2 bpp) -Compressed- + 512*512*4/8/1024, //PVR_PVRT_RGB (4 bpp) -Compressed- + 512*512*4/8/1024, //PVR_PVRT_RGBA (4 bpp) -Compressed- + }; + + 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 + //---------------------------------------------------------------------------------- + if (IsKeyPressed(KEY_DOWN)) + { + selectedFormat++; + if (selectedFormat >= NUM_TEXTURES) selectedFormat = 0; + } + else if (IsKeyPressed(KEY_UP)) + { + selectedFormat--; + if (selectedFormat < 0) selectedFormat = NUM_TEXTURES - 1; + } + else if (IsKeyPressed(KEY_RIGHT)) + { + if (selectedFormat < NUM_TEXTURES/2) selectedFormat += NUM_TEXTURES/2; + } + else if (IsKeyPressed(KEY_LEFT)) + { + if (selectedFormat >= NUM_TEXTURES/2) selectedFormat -= NUM_TEXTURES/2; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + + BeginDrawing(); + + ClearBackground(RAYWHITE); + + // Draw rectangles + for (int i = 0; i < NUM_TEXTURES; i++) + { + if (i == selectedFormat) + { + DrawRectangleRec(selectRecs[i], SKYBLUE); + DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, BLUE); + DrawText(formatText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(formatText[i], 10)/2, selectRecs[i].y + 11, 10, DARKBLUE); + } + else + { + DrawRectangleRec(selectRecs[i], LIGHTGRAY); + DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, GRAY); + DrawText(formatText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(formatText[i], 10)/2, selectRecs[i].y + 11, 10, DARKGRAY); + } + } + + // Draw selected texture + if (sonic[selectedFormat].id != 0) + { + DrawTexture(sonic[selectedFormat], 350, 0, WHITE); + } + else + { + DrawRectangleLines(488, 165, 200, 110, DARKGRAY); + DrawText("FORMAT", 550, 180, 20, MAROON); + DrawText("NOT SUPPORTED", 500, 210, 20, MAROON); + DrawText("ON YOUR GPU", 520, 240, 20, MAROON); + } + + DrawText("Select texture format (use cursor keys):", 40, 26, 10, DARKGRAY); + DrawText("Required GPU memory size (VRAM):", 40, 442, 10, DARKGRAY); + DrawText(FormatText("%4.0f KB", textureSizes[selectedFormat]), 240, 435, 20, DARKBLUE); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + for (int i = 0; i < NUM_TEXTURES; i++) UnloadTexture(sonic[i]); + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} \ No newline at end of file diff --git a/examples/textures_formats_loading.png b/examples/textures_formats_loading.png new file mode 100644 index 00000000..4cdb2f13 Binary files /dev/null and b/examples/textures_formats_loading.png differ diff --git a/examples/textures_raw_data.c b/examples/textures_raw_data.c new file mode 100644 index 00000000..a4ff71b3 --- /dev/null +++ b/examples/textures_raw_data.c @@ -0,0 +1,90 @@ +/******************************************************************************************* +* +* raylib [textures] example - Load textures from raw data +* +* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) +* +* This example has been created using raylib 1.3 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2015 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#include // Required for malloc() and free() + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture from raw data"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + + // Load RAW image data (512x512, 32bit RGBA, no file header) + Image sonicRaw = LoadImageRaw("resources/texture_formats/sonic_R8G8B8A8.raw", 512, 512, UNCOMPRESSED_R8G8B8A8, 0); + Texture2D sonic = LoadTextureFromImage(sonicRaw); // Upload CPU (RAM) image to GPU (VRAM) + UnloadImage(sonicRaw); // Unload CPU (RAM) image data + + // Generate a checked texture by code (1024x1024 pixels) + int width = 1024; + int height = 1024; + + Color *pixels = (Color *)malloc(width*height*sizeof(Color)); + + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + if (((x/32+y/32)/1)%2 == 0) pixels[y*height + x] = DARKBLUE; + else pixels[y*height + x] = SKYBLUE; + } + } + + // Load pixels data into an image structure and create texture + Image checkedIm = LoadImageEx(pixels, width, height); + Texture2D checked = LoadTextureFromImage(checkedIm); + UnloadImage(checkedIm); // Unload CPU (RAM) image data + free(pixels); // Unload CPU (RAM) pixels data + //--------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // TODO: Update your variables here + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(checked, screenWidth/2 - checked.width/2, screenHeight/2 - checked.height/2, Fade(WHITE, 0.3f)); + DrawTexture(sonic, 330, -20, WHITE); + + DrawText("CHECKED TEXTURE ", 84, 100, 30, DARKBLUE); + DrawText("GENERATED by CODE", 72, 164, 30, DARKBLUE); + DrawText("and RAW IMAGE LOADING", 46, 226, 30, DARKBLUE); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(sonic); // Texture unloading + UnloadTexture(checked); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} \ No newline at end of file diff --git a/examples/textures_raw_data.png b/examples/textures_raw_data.png new file mode 100644 index 00000000..374d2266 Binary files /dev/null and b/examples/textures_raw_data.png differ