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2024-09-09 08:52:07 +00:00
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system/core/include/pixelflinger/format.h Normal file
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/*
* Copyright (C) 2005 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_PIXELFLINGER_FORMAT_H
#define ANDROID_PIXELFLINGER_FORMAT_H
#include <stdint.h>
#include <sys/types.h>
enum GGLPixelFormat {
// these constants need to match those
// in graphics/PixelFormat.java, ui/PixelFormat.h, BlitHardware.h
GGL_PIXEL_FORMAT_UNKNOWN = 0,
GGL_PIXEL_FORMAT_NONE = 0,
GGL_PIXEL_FORMAT_RGBA_8888 = 1, // 4x8-bit ARGB
GGL_PIXEL_FORMAT_RGBX_8888 = 2, // 3x8-bit RGB stored in 32-bit chunks
GGL_PIXEL_FORMAT_RGB_888 = 3, // 3x8-bit RGB
GGL_PIXEL_FORMAT_RGB_565 = 4, // 16-bit RGB
GGL_PIXEL_FORMAT_BGRA_8888 = 5, // 4x8-bit BGRA
GGL_PIXEL_FORMAT_RGBA_5551 = 6, // 16-bit RGBA
GGL_PIXEL_FORMAT_RGBA_4444 = 7, // 16-bit RGBA
GGL_PIXEL_FORMAT_A_8 = 8, // 8-bit A
GGL_PIXEL_FORMAT_L_8 = 9, // 8-bit L (R=G=B = L)
GGL_PIXEL_FORMAT_LA_88 = 0xA, // 16-bit LA
GGL_PIXEL_FORMAT_RGB_332 = 0xB, // 8-bit RGB (non paletted)
// reserved range. don't use.
GGL_PIXEL_FORMAT_RESERVED_10 = 0x10,
GGL_PIXEL_FORMAT_RESERVED_11 = 0x11,
GGL_PIXEL_FORMAT_RESERVED_12 = 0x12,
GGL_PIXEL_FORMAT_RESERVED_13 = 0x13,
GGL_PIXEL_FORMAT_RESERVED_14 = 0x14,
GGL_PIXEL_FORMAT_RESERVED_15 = 0x15,
GGL_PIXEL_FORMAT_RESERVED_16 = 0x16,
GGL_PIXEL_FORMAT_RESERVED_17 = 0x17,
// reserved/special formats
GGL_PIXEL_FORMAT_Z_16 = 0x18,
GGL_PIXEL_FORMAT_S_8 = 0x19,
GGL_PIXEL_FORMAT_SZ_24 = 0x1A,
GGL_PIXEL_FORMAT_SZ_8 = 0x1B,
// reserved range. don't use.
GGL_PIXEL_FORMAT_RESERVED_20 = 0x20,
GGL_PIXEL_FORMAT_RESERVED_21 = 0x21,
};
enum GGLFormatComponents {
GGL_STENCIL_INDEX = 0x1901,
GGL_DEPTH_COMPONENT = 0x1902,
GGL_ALPHA = 0x1906,
GGL_RGB = 0x1907,
GGL_RGBA = 0x1908,
GGL_LUMINANCE = 0x1909,
GGL_LUMINANCE_ALPHA = 0x190A,
};
enum GGLFormatComponentIndex {
GGL_INDEX_ALPHA = 0,
GGL_INDEX_RED = 1,
GGL_INDEX_GREEN = 2,
GGL_INDEX_BLUE = 3,
GGL_INDEX_STENCIL = 0,
GGL_INDEX_DEPTH = 1,
GGL_INDEX_Y = 0,
GGL_INDEX_CB = 1,
GGL_INDEX_CR = 2,
};
typedef struct {
#ifdef __cplusplus
enum {
ALPHA = GGL_INDEX_ALPHA,
RED = GGL_INDEX_RED,
GREEN = GGL_INDEX_GREEN,
BLUE = GGL_INDEX_BLUE,
STENCIL = GGL_INDEX_STENCIL,
DEPTH = GGL_INDEX_DEPTH,
LUMA = GGL_INDEX_Y,
CHROMAB = GGL_INDEX_CB,
CHROMAR = GGL_INDEX_CR,
};
inline uint32_t mask(int i) const {
return ((1<<(c[i].h-c[i].l))-1)<<c[i].l;
}
inline uint32_t bits(int i) const {
return c[i].h - c[i].l;
}
#endif
uint8_t size; // bytes per pixel
uint8_t bitsPerPixel;
union {
struct {
uint8_t ah; // alpha high bit position + 1
uint8_t al; // alpha low bit position
uint8_t rh; // red high bit position + 1
uint8_t rl; // red low bit position
uint8_t gh; // green high bit position + 1
uint8_t gl; // green low bit position
uint8_t bh; // blue high bit position + 1
uint8_t bl; // blue low bit position
};
struct {
uint8_t h;
uint8_t l;
} __attribute__((__packed__)) c[4];
} __attribute__((__packed__));
uint16_t components; // GGLFormatComponents
} GGLFormat;
#ifdef __cplusplus
extern "C" const GGLFormat* gglGetPixelFormatTable(size_t* numEntries = 0);
#else
const GGLFormat* gglGetPixelFormatTable(size_t* numEntries);
#endif
// ----------------------------------------------------------------------------
#endif // ANDROID_PIXELFLINGER_FORMAT_H

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system/core/include/pixelflinger/pixelflinger.h Normal file
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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_PIXELFLINGER_H
#define ANDROID_PIXELFLINGER_H
#include <stdint.h>
#include <sys/types.h>
#include <pixelflinger/format.h>
// GGL types
typedef int8_t GGLbyte; // b
typedef int16_t GGLshort; // s
typedef int32_t GGLint; // i
typedef ssize_t GGLsizei; // i
typedef int32_t GGLfixed; // x
typedef int32_t GGLclampx; // x
typedef float GGLfloat; // f
typedef float GGLclampf; // f
typedef double GGLdouble; // d
typedef double GGLclampd; // d
typedef uint8_t GGLubyte; // ub
typedef uint8_t GGLboolean; // ub
typedef uint16_t GGLushort; // us
typedef uint32_t GGLuint; // ui
typedef unsigned int GGLenum; // ui
typedef unsigned int GGLbitfield; // ui
typedef void GGLvoid;
typedef int32_t GGLfixed32;
typedef int32_t GGLcolor;
typedef int32_t GGLcoord;
// ----------------------------------------------------------------------------
#define GGL_MAX_VIEWPORT_DIMS 4096
#define GGL_MAX_TEXTURE_SIZE 4096
#define GGL_MAX_ALIASED_POINT_SIZE 0x7FFFFFF
#define GGL_MAX_SMOOTH_POINT_SIZE 2048
#define GGL_MAX_SMOOTH_LINE_WIDTH 2048
// ----------------------------------------------------------------------------
// All these names are compatible with their OpenGL equivalents
// some of them are listed only for completeness
enum GGLNames {
GGL_FALSE = 0,
GGL_TRUE = 1,
// enable/disable
GGL_SCISSOR_TEST = 0x0C11,
GGL_TEXTURE_2D = 0x0DE1,
GGL_ALPHA_TEST = 0x0BC0,
GGL_BLEND = 0x0BE2,
GGL_COLOR_LOGIC_OP = 0x0BF2,
GGL_DITHER = 0x0BD0,
GGL_STENCIL_TEST = 0x0B90,
GGL_DEPTH_TEST = 0x0B71,
GGL_AA = 0x80000001,
GGL_W_LERP = 0x80000004,
GGL_POINT_SMOOTH_NICE = 0x80000005,
// buffers, pixel drawing/reading
GGL_COLOR = 0x1800,
// fog
GGL_FOG = 0x0B60,
// shade model
GGL_FLAT = 0x1D00,
GGL_SMOOTH = 0x1D01,
// Texture parameter name
GGL_TEXTURE_MIN_FILTER = 0x2801,
GGL_TEXTURE_MAG_FILTER = 0x2800,
GGL_TEXTURE_WRAP_S = 0x2802,
GGL_TEXTURE_WRAP_T = 0x2803,
GGL_TEXTURE_WRAP_R = 0x2804,
// Texture Filter
GGL_NEAREST = 0x2600,
GGL_LINEAR = 0x2601,
GGL_NEAREST_MIPMAP_NEAREST = 0x2700,
GGL_LINEAR_MIPMAP_NEAREST = 0x2701,
GGL_NEAREST_MIPMAP_LINEAR = 0x2702,
GGL_LINEAR_MIPMAP_LINEAR = 0x2703,
// Texture Wrap Mode
GGL_CLAMP = 0x2900,
GGL_REPEAT = 0x2901,
GGL_CLAMP_TO_EDGE = 0x812F,
// Texture Env Mode
GGL_REPLACE = 0x1E01,
GGL_MODULATE = 0x2100,
GGL_DECAL = 0x2101,
GGL_ADD = 0x0104,
// Texture Env Parameter
GGL_TEXTURE_ENV_MODE = 0x2200,
GGL_TEXTURE_ENV_COLOR = 0x2201,
// Texture Env Target
GGL_TEXTURE_ENV = 0x2300,
// Texture coord generation
GGL_TEXTURE_GEN_MODE = 0x2500,
GGL_S = 0x2000,
GGL_T = 0x2001,
GGL_R = 0x2002,
GGL_Q = 0x2003,
GGL_ONE_TO_ONE = 0x80000002,
GGL_AUTOMATIC = 0x80000003,
// AlphaFunction
GGL_NEVER = 0x0200,
GGL_LESS = 0x0201,
GGL_EQUAL = 0x0202,
GGL_LEQUAL = 0x0203,
GGL_GREATER = 0x0204,
GGL_NOTEQUAL = 0x0205,
GGL_GEQUAL = 0x0206,
GGL_ALWAYS = 0x0207,
// LogicOp
GGL_CLEAR = 0x1500, // 0
GGL_AND = 0x1501, // s & d
GGL_AND_REVERSE = 0x1502, // s & ~d
GGL_COPY = 0x1503, // s
GGL_AND_INVERTED = 0x1504, // ~s & d
GGL_NOOP = 0x1505, // d
GGL_XOR = 0x1506, // s ^ d
GGL_OR = 0x1507, // s | d
GGL_NOR = 0x1508, // ~(s | d)
GGL_EQUIV = 0x1509, // ~(s ^ d)
GGL_INVERT = 0x150A, // ~d
GGL_OR_REVERSE = 0x150B, // s | ~d
GGL_COPY_INVERTED = 0x150C, // ~s
GGL_OR_INVERTED = 0x150D, // ~s | d
GGL_NAND = 0x150E, // ~(s & d)
GGL_SET = 0x150F, // 1
// blending equation & function
GGL_ZERO = 0, // SD
GGL_ONE = 1, // SD
GGL_SRC_COLOR = 0x0300, // D
GGL_ONE_MINUS_SRC_COLOR = 0x0301, // D
GGL_SRC_ALPHA = 0x0302, // SD
GGL_ONE_MINUS_SRC_ALPHA = 0x0303, // SD
GGL_DST_ALPHA = 0x0304, // SD
GGL_ONE_MINUS_DST_ALPHA = 0x0305, // SD
GGL_DST_COLOR = 0x0306, // S
GGL_ONE_MINUS_DST_COLOR = 0x0307, // S
GGL_SRC_ALPHA_SATURATE = 0x0308, // S
// clear bits
GGL_DEPTH_BUFFER_BIT = 0x00000100,
GGL_STENCIL_BUFFER_BIT = 0x00000400,
GGL_COLOR_BUFFER_BIT = 0x00004000,
// errors
GGL_NO_ERROR = 0,
GGL_INVALID_ENUM = 0x0500,
GGL_INVALID_VALUE = 0x0501,
GGL_INVALID_OPERATION = 0x0502,
GGL_STACK_OVERFLOW = 0x0503,
GGL_STACK_UNDERFLOW = 0x0504,
GGL_OUT_OF_MEMORY = 0x0505
};
// ----------------------------------------------------------------------------
typedef struct {
GGLsizei version; // always set to sizeof(GGLSurface)
GGLuint width; // width in pixels
GGLuint height; // height in pixels
GGLint stride; // stride in pixels
GGLubyte* data; // pointer to the bits
GGLubyte format; // pixel format
GGLubyte rfu[3]; // must be zero
// these values are dependent on the used format
union {
GGLint compressedFormat;
GGLint vstride;
};
void* reserved;
} GGLSurface;
typedef struct {
// immediate rendering
void (*pointx)(void *con, const GGLcoord* v, GGLcoord r);
void (*linex)(void *con,
const GGLcoord* v0, const GGLcoord* v1, GGLcoord width);
void (*recti)(void* c, GGLint l, GGLint t, GGLint r, GGLint b);
void (*trianglex)(void* c,
GGLcoord const* v0, GGLcoord const* v1, GGLcoord const* v2);
// scissor
void (*scissor)(void* c, GGLint x, GGLint y, GGLsizei width, GGLsizei height);
// Set the textures and color buffers
void (*activeTexture)(void* c, GGLuint tmu);
void (*bindTexture)(void* c, const GGLSurface* surface);
void (*colorBuffer)(void* c, const GGLSurface* surface);
void (*readBuffer)(void* c, const GGLSurface* surface);
void (*depthBuffer)(void* c, const GGLSurface* surface);
void (*bindTextureLod)(void* c, GGLuint tmu, const GGLSurface* surface);
// enable/disable features
void (*enable)(void* c, GGLenum name);
void (*disable)(void* c, GGLenum name);
void (*enableDisable)(void* c, GGLenum name, GGLboolean en);
// specify the fragment's color
void (*shadeModel)(void* c, GGLenum mode);
void (*color4xv)(void* c, const GGLclampx* color);
// specify color iterators (16.16)
void (*colorGrad12xv)(void* c, const GGLcolor* grad);
// specify Z coordinate iterators (0.32)
void (*zGrad3xv)(void* c, const GGLfixed32* grad);
// specify W coordinate iterators (16.16)
void (*wGrad3xv)(void* c, const GGLfixed* grad);
// specify fog iterator & color (16.16)
void (*fogGrad3xv)(void* c, const GGLfixed* grad);
void (*fogColor3xv)(void* c, const GGLclampx* color);
// specify blending parameters
void (*blendFunc)(void* c, GGLenum src, GGLenum dst);
void (*blendFuncSeparate)(void* c, GGLenum src, GGLenum dst,
GGLenum srcAlpha, GGLenum dstAplha);
// texture environnement (REPLACE / MODULATE / DECAL / BLEND)
void (*texEnvi)(void* c, GGLenum target,
GGLenum pname,
GGLint param);
void (*texEnvxv)(void* c, GGLenum target,
GGLenum pname, const GGLfixed* params);
// texture parameters (Wrapping, filter)
void (*texParameteri)(void* c, GGLenum target,
GGLenum pname,
GGLint param);
// texture iterators (16.16)
void (*texCoord2i)(void* c, GGLint s, GGLint t);
void (*texCoord2x)(void* c, GGLfixed s, GGLfixed t);
// s, dsdx, dsdy, scale, t, dtdx, dtdy, tscale
// This api uses block floating-point for S and T texture coordinates.
// All values are given in 16.16, scaled by 'scale'. In other words,
// set scale to 0, for 16.16 values.
void (*texCoordGradScale8xv)(void* c, GGLint tmu, const int32_t* grad8);
void (*texGeni)(void* c, GGLenum coord, GGLenum pname, GGLint param);
// masking
void (*colorMask)(void* c, GGLboolean red,
GGLboolean green,
GGLboolean blue,
GGLboolean alpha);
void (*depthMask)(void* c, GGLboolean flag);
void (*stencilMask)(void* c, GGLuint mask);
// alpha func
void (*alphaFuncx)(void* c, GGLenum func, GGLclampx ref);
// depth func
void (*depthFunc)(void* c, GGLenum func);
// logic op
void (*logicOp)(void* c, GGLenum opcode);
// clear
void (*clear)(void* c, GGLbitfield mask);
void (*clearColorx)(void* c,
GGLclampx r, GGLclampx g, GGLclampx b, GGLclampx a);
void (*clearDepthx)(void* c, GGLclampx depth);
void (*clearStencil)(void* c, GGLint s);
// framebuffer operations
void (*copyPixels)(void* c, GGLint x, GGLint y,
GGLsizei width, GGLsizei height, GGLenum type);
void (*rasterPos2x)(void* c, GGLfixed x, GGLfixed y);
void (*rasterPos2i)(void* c, GGLint x, GGLint y);
} GGLContext;
// ----------------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
// construct / destroy the context
ssize_t gglInit(GGLContext** context);
ssize_t gglUninit(GGLContext* context);
GGLint gglBitBlti(
GGLContext* c,
int tmu,
GGLint crop[4],
GGLint where[4]);
#ifdef __cplusplus
};
#endif
// ----------------------------------------------------------------------------
#endif // ANDROID_PIXELFLINGER_H