michael@0: /*
michael@0:  * Copyright (C) 2005 The Android Open Source Project
michael@0:  *
michael@0:  * Licensed under the Apache License, Version 2.0 (the "License");
michael@0:  * you may not use this file except in compliance with the License.
michael@0:  * You may obtain a copy of the License at
michael@0:  *
michael@0:  *      http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing, software
michael@0:  * distributed under the License is distributed on an "AS IS" BASIS,
michael@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0:  * See the License for the specific language governing permissions and
michael@0:  * limitations under the License.
michael@0:  */
michael@0: 
michael@0: #ifndef ANDROID_PIXELFLINGER_FORMAT_H
michael@0: #define ANDROID_PIXELFLINGER_FORMAT_H
michael@0: 
michael@0: #include <stdint.h>
michael@0: #include <sys/types.h>
michael@0: 
michael@0: enum GGLPixelFormat {
michael@0:     // these constants need to match those
michael@0:     // in graphics/PixelFormat.java, ui/PixelFormat.h, BlitHardware.h
michael@0:     GGL_PIXEL_FORMAT_UNKNOWN    =   0,
michael@0:     GGL_PIXEL_FORMAT_NONE       =   0,
michael@0: 
michael@0:     GGL_PIXEL_FORMAT_RGBA_8888   =   1,  // 4x8-bit ARGB
michael@0:     GGL_PIXEL_FORMAT_RGBX_8888   =   2,  // 3x8-bit RGB stored in 32-bit chunks
michael@0:     GGL_PIXEL_FORMAT_RGB_888     =   3,  // 3x8-bit RGB
michael@0:     GGL_PIXEL_FORMAT_RGB_565     =   4,  // 16-bit RGB
michael@0:     GGL_PIXEL_FORMAT_BGRA_8888   =   5,  // 4x8-bit BGRA
michael@0:     GGL_PIXEL_FORMAT_RGBA_5551   =   6,  // 16-bit RGBA
michael@0:     GGL_PIXEL_FORMAT_RGBA_4444   =   7,  // 16-bit RGBA
michael@0: 
michael@0:     GGL_PIXEL_FORMAT_A_8         =   8,  // 8-bit A
michael@0:     GGL_PIXEL_FORMAT_L_8         =   9,  // 8-bit L (R=G=B = L)
michael@0:     GGL_PIXEL_FORMAT_LA_88       = 0xA,  // 16-bit LA
michael@0:     GGL_PIXEL_FORMAT_RGB_332     = 0xB,  // 8-bit RGB (non paletted)
michael@0: 
michael@0:     // reserved range. don't use.
michael@0:     GGL_PIXEL_FORMAT_RESERVED_10 = 0x10,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_11 = 0x11,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_12 = 0x12,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_13 = 0x13,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_14 = 0x14,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_15 = 0x15,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_16 = 0x16,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_17 = 0x17,
michael@0: 
michael@0:     // reserved/special formats
michael@0:     GGL_PIXEL_FORMAT_Z_16       =  0x18,
michael@0:     GGL_PIXEL_FORMAT_S_8        =  0x19,
michael@0:     GGL_PIXEL_FORMAT_SZ_24      =  0x1A,
michael@0:     GGL_PIXEL_FORMAT_SZ_8       =  0x1B,
michael@0: 
michael@0:     // reserved range. don't use.
michael@0:     GGL_PIXEL_FORMAT_RESERVED_20 = 0x20,
michael@0:     GGL_PIXEL_FORMAT_RESERVED_21 = 0x21,
michael@0: };
michael@0: 
michael@0: enum GGLFormatComponents {
michael@0: 	GGL_STENCIL_INDEX		= 0x1901,
michael@0: 	GGL_DEPTH_COMPONENT		= 0x1902,
michael@0: 	GGL_ALPHA				= 0x1906,
michael@0: 	GGL_RGB					= 0x1907,
michael@0: 	GGL_RGBA				= 0x1908,
michael@0: 	GGL_LUMINANCE			= 0x1909,
michael@0: 	GGL_LUMINANCE_ALPHA		= 0x190A,
michael@0: };
michael@0: 
michael@0: enum GGLFormatComponentIndex {
michael@0:     GGL_INDEX_ALPHA   = 0,
michael@0:     GGL_INDEX_RED     = 1,
michael@0:     GGL_INDEX_GREEN   = 2,
michael@0:     GGL_INDEX_BLUE    = 3,
michael@0:     GGL_INDEX_STENCIL = 0,
michael@0:     GGL_INDEX_DEPTH   = 1,
michael@0:     GGL_INDEX_Y       = 0,
michael@0:     GGL_INDEX_CB      = 1,
michael@0:     GGL_INDEX_CR      = 2,
michael@0: };
michael@0: 
michael@0: typedef struct {
michael@0: #ifdef __cplusplus
michael@0:     enum {
michael@0:         ALPHA   = GGL_INDEX_ALPHA,
michael@0:         RED     = GGL_INDEX_RED,
michael@0:         GREEN   = GGL_INDEX_GREEN,
michael@0:         BLUE    = GGL_INDEX_BLUE,
michael@0:         STENCIL = GGL_INDEX_STENCIL,
michael@0:         DEPTH   = GGL_INDEX_DEPTH,
michael@0:         LUMA    = GGL_INDEX_Y,
michael@0:         CHROMAB = GGL_INDEX_CB,
michael@0:         CHROMAR = GGL_INDEX_CR,
michael@0:     };
michael@0:     inline uint32_t mask(int i) const {
michael@0:             return ((1<<(c[i].h-c[i].l))-1)<<c[i].l;
michael@0:     }
michael@0:     inline uint32_t bits(int i) const {
michael@0:             return c[i].h - c[i].l;
michael@0:     }
michael@0: #endif
michael@0: 	uint8_t     size;	// bytes per pixel
michael@0:     uint8_t     bitsPerPixel;
michael@0:     union {    
michael@0:         struct {
michael@0:             uint8_t     ah;		// alpha high bit position + 1
michael@0:             uint8_t     al;		// alpha low bit position
michael@0:             uint8_t     rh;		// red high bit position + 1
michael@0:             uint8_t     rl;		// red low bit position
michael@0:             uint8_t     gh;		// green high bit position + 1
michael@0:             uint8_t     gl;		// green low bit position
michael@0:             uint8_t     bh;		// blue high bit position + 1
michael@0:             uint8_t     bl;		// blue low bit position
michael@0:         };
michael@0:         struct {
michael@0:             uint8_t h;
michael@0:             uint8_t l;
michael@0:         } __attribute__((__packed__)) c[4];        
michael@0:     } __attribute__((__packed__));
michael@0: 	uint16_t    components;	// GGLFormatComponents
michael@0: } GGLFormat;
michael@0: 
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0);
michael@0: #else
michael@0: const GGLFormat* gglGetPixelFormatTable(size_t* numEntries);
michael@0: #endif
michael@0: 
michael@0: 
michael@0: // ----------------------------------------------------------------------------
michael@0: 
michael@0: #endif // ANDROID_PIXELFLINGER_FORMAT_H