diff options
| -rw-r--r-- | include/private/opengles/gl_context.h | 640 | ||||
| -rw-r--r-- | opengl/libagl/context.h | 658 |
2 files changed, 640 insertions, 658 deletions
diff --git a/include/private/opengles/gl_context.h b/include/private/opengles/gl_context.h deleted file mode 100644 index 6b1fa77..0000000 --- a/include/private/opengles/gl_context.h +++ /dev/null @@ -1,640 +0,0 @@ -/* - * Copyright (C) 2006 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_OPENGLES_CONTEXT_H -#define ANDROID_OPENGLES_CONTEXT_H - -#include <stdint.h> -#include <stddef.h> -#include <sys/types.h> -#include <pthread.h> -#ifdef HAVE_ANDROID_OS -#include <bionic_tls.h> -#endif - -#include <private/pixelflinger/ggl_context.h> -#include <hardware/gralloc.h> - -#include <GLES/gl.h> -#include <GLES/glext.h> - -namespace android { - - -const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10 -#ifdef GL_OES_compressed_ETC1_RGB8_texture - + 1 -#endif - ; - -class EGLTextureObject; -class EGLSurfaceManager; -class EGLBufferObjectManager; - -namespace gl { - -struct ogles_context_t; -struct matrixx_t; -struct transform_t; -struct buffer_t; - -ogles_context_t* getGlContext(); - -template<typename T> -static inline void swap(T& a, T& b) { - T t(a); a = b; b = t; -} -template<typename T> -inline T max(T a, T b) { - return a<b ? b : a; -} -template<typename T> -inline T max(T a, T b, T c) { - return max(a, max(b, c)); -} -template<typename T> -inline T min(T a, T b) { - return a<b ? a : b; -} -template<typename T> -inline T min(T a, T b, T c) { - return min(a, min(b, c)); -} -template<typename T> -inline T min(T a, T b, T c, T d) { - return min(min(a,b), min(c,d)); -} - -// ---------------------------------------------------------------------------- -// vertices -// ---------------------------------------------------------------------------- - -struct vec3_t { - union { - struct { GLfixed x, y, z; }; - struct { GLfixed r, g, b; }; - struct { GLfixed S, T, R; }; - GLfixed v[3]; - }; -}; - -struct vec4_t { - union { - struct { GLfixed x, y, z, w; }; - struct { GLfixed r, g, b, a; }; - struct { GLfixed S, T, R, Q; }; - GLfixed v[4]; - }; -}; - -struct vertex_t { - enum { - // these constant matter for our clipping - CLIP_L = 0x0001, // clipping flags - CLIP_R = 0x0002, - CLIP_B = 0x0004, - CLIP_T = 0x0008, - CLIP_N = 0x0010, - CLIP_F = 0x0020, - - EYE = 0x0040, - RESERVED = 0x0080, - - USER_CLIP_0 = 0x0100, // user clipping flags - USER_CLIP_1 = 0x0200, - USER_CLIP_2 = 0x0400, - USER_CLIP_3 = 0x0800, - USER_CLIP_4 = 0x1000, - USER_CLIP_5 = 0x2000, - - LIT = 0x4000, // lighting has been applied - TT = 0x8000, // texture coords transformed - - FRUSTUM_CLIP_ALL= 0x003F, - USER_CLIP_ALL = 0x3F00, - CLIP_ALL = 0x3F3F, - }; - - // the fields below are arranged to minimize d-cache usage - // we group together, by cache-line, the fields most likely to be used - - union { - vec4_t obj; - vec4_t eye; - }; - vec4_t clip; - - uint32_t flags; - size_t index; // cache tag, and vertex index - GLfixed fog; - uint8_t locked; - uint8_t mru; - uint8_t reserved[2]; - vec4_t window; - - vec4_t color; - vec4_t texture[GGL_TEXTURE_UNIT_COUNT]; - uint32_t reserved1[4]; - - inline void clear() { - flags = index = locked = mru = 0; - } -}; - -struct point_size_t { - GGLcoord size; - GLboolean smooth; -}; - -struct line_width_t { - GGLcoord width; - GLboolean smooth; -}; - -struct polygon_offset_t { - GLfixed factor; - GLfixed units; - GLboolean enable; -}; - -// ---------------------------------------------------------------------------- -// arrays -// ---------------------------------------------------------------------------- - -struct array_t { - typedef void (*fetcher_t)(ogles_context_t*, GLfixed*, const GLvoid*); - fetcher_t fetch; - GLvoid const* physical_pointer; - GLint size; - GLsizei stride; - GLvoid const* pointer; - buffer_t const* bo; - uint16_t type; - GLboolean enable; - GLboolean pad; - GLsizei bounds; - void init(GLint, GLenum, GLsizei, const GLvoid *, const buffer_t*, GLsizei); - inline void resolve(); - inline const GLubyte* element(GLint i) const { - return (const GLubyte*)physical_pointer + i * stride; - } -}; - -struct array_machine_t { - array_t vertex; - array_t normal; - array_t color; - array_t texture[GGL_TEXTURE_UNIT_COUNT]; - uint8_t activeTexture; - uint8_t tmu; - uint16_t cull; - uint32_t flags; - GLenum indicesType; - buffer_t const* array_buffer; - buffer_t const* element_array_buffer; - - void (*compileElements)(ogles_context_t*, vertex_t*, GLint, GLsizei); - void (*compileElement)(ogles_context_t*, vertex_t*, GLint); - - void (*mvp_transform)(transform_t const*, vec4_t*, vec4_t const*); - void (*mv_transform)(transform_t const*, vec4_t*, vec4_t const*); - void (*tex_transform[2])(transform_t const*, vec4_t*, vec4_t const*); - void (*perspective)(ogles_context_t*c, vertex_t* v); - void (*clipVertex)(ogles_context_t* c, vertex_t* nv, - GGLfixed t, const vertex_t* s, const vertex_t* p); - void (*clipEye)(ogles_context_t* c, vertex_t* nv, - GGLfixed t, const vertex_t* s, const vertex_t* p); -}; - -struct vertex_cache_t { - enum { - // must be at least 4 - // 3 vertice for triangles - // or 2 + 2 for indexed triangles w/ cache contention - VERTEX_BUFFER_SIZE = 8, - // must be a power of two and at least 3 - VERTEX_CACHE_SIZE = 64, // 8 KB - - INDEX_BITS = 16, - INDEX_MASK = ((1LU<<INDEX_BITS)-1), - INDEX_SEQ = 1LU<<INDEX_BITS, - }; - vertex_t* vBuffer; - vertex_t* vCache; - uint32_t sequence; - void* base; - uint32_t total; - uint32_t misses; - int64_t startTime; - void init(); - void uninit(); - void clear(); - void dump_stats(GLenum mode); -}; - -// ---------------------------------------------------------------------------- -// fog -// ---------------------------------------------------------------------------- - -struct fog_t { - GLfixed density; - GLfixed start; - GLfixed end; - GLfixed invEndMinusStart; - GLenum mode; - GLfixed (*fog)(ogles_context_t* c, GLfixed z); -}; - -// ---------------------------------------------------------------------------- -// user clip planes -// ---------------------------------------------------------------------------- - -const unsigned int OGLES_MAX_CLIP_PLANES = 6; - -struct clip_plane_t { - vec4_t equation; -}; - -struct user_clip_planes_t { - clip_plane_t plane[OGLES_MAX_CLIP_PLANES]; - uint32_t enable; -}; - -// ---------------------------------------------------------------------------- -// lighting -// ---------------------------------------------------------------------------- - -const unsigned int OGLES_MAX_LIGHTS = 8; - -struct light_t { - vec4_t ambient; - vec4_t diffuse; - vec4_t specular; - vec4_t implicitAmbient; - vec4_t implicitDiffuse; - vec4_t implicitSpecular; - vec4_t position; // position in eye space - vec4_t objPosition; - vec4_t normalizedObjPosition; - vec4_t spotDir; - vec4_t normalizedSpotDir; - GLfixed spotExp; - GLfixed spotCutoff; - GLfixed spotCutoffCosine; - GLfixed attenuation[3]; - GLfixed rConstAttenuation; - GLboolean enable; -}; - -struct material_t { - vec4_t ambient; - vec4_t diffuse; - vec4_t specular; - vec4_t emission; - GLfixed shininess; -}; - -struct light_model_t { - vec4_t ambient; - GLboolean twoSide; -}; - -struct color_material_t { - GLenum face; - GLenum mode; - GLboolean enable; -}; - -struct lighting_t { - light_t lights[OGLES_MAX_LIGHTS]; - material_t front; - light_model_t lightModel; - color_material_t colorMaterial; - vec4_t implicitSceneEmissionAndAmbient; - vec4_t objViewer; - uint32_t enabledLights; - GLboolean enable; - GLenum shadeModel; - typedef void (*light_fct_t)(ogles_context_t*, vertex_t*); - void (*lightVertex)(ogles_context_t* c, vertex_t* v); - void (*lightTriangle)(ogles_context_t* c, - vertex_t* v0, vertex_t* v1, vertex_t* v2); -}; - -struct culling_t { - GLenum cullFace; - GLenum frontFace; - GLboolean enable; -}; - -// ---------------------------------------------------------------------------- -// textures -// ---------------------------------------------------------------------------- - -struct texture_unit_t { - GLuint name; - EGLTextureObject* texture; - uint8_t dirty; -}; - -struct texture_state_t -{ - texture_unit_t tmu[GGL_TEXTURE_UNIT_COUNT]; - int active; // active tmu - EGLTextureObject* defaultTexture; - GGLContext* ggl; - uint8_t packAlignment; - uint8_t unpackAlignment; -}; - -// ---------------------------------------------------------------------------- -// transformation and matrices -// ---------------------------------------------------------------------------- - -struct matrixf_t; - -struct matrixx_t { - GLfixed m[16]; - void load(const matrixf_t& rhs); -}; - -struct matrix_stack_t; - - -struct matrixf_t { - void loadIdentity(); - void load(const matrixf_t& rhs); - - inline GLfloat* editElements() { return m; } - inline GLfloat const* elements() const { return m; } - - void set(const GLfixed* rhs); - void set(const GLfloat* rhs); - - static void multiply(matrixf_t& r, - const matrixf_t& lhs, const matrixf_t& rhs); - - void dump(const char* what); - -private: - friend struct matrix_stack_t; - GLfloat m[16]; - void load(const GLfixed* rhs); - void load(const GLfloat* rhs); - void multiply(const matrixf_t& rhs); - void translate(GLfloat x, GLfloat y, GLfloat z); - void scale(GLfloat x, GLfloat y, GLfloat z); - void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z); -}; - -enum { - OP_IDENTITY = 0x00, - OP_TRANSLATE = 0x01, - OP_UNIFORM_SCALE = 0x02, - OP_SCALE = 0x05, - OP_ROTATE = 0x08, - OP_SKEW = 0x10, - OP_ALL = 0x1F -}; - -struct transform_t { - enum { - FLAGS_2D_PROJECTION = 0x1 - }; - matrixx_t matrix; - uint32_t flags; - uint32_t ops; - - union { - struct { - void (*point2)(transform_t const* t, vec4_t*, vec4_t const*); - void (*point3)(transform_t const* t, vec4_t*, vec4_t const*); - void (*point4)(transform_t const* t, vec4_t*, vec4_t const*); - }; - void (*pointv[3])(transform_t const* t, vec4_t*, vec4_t const*); - }; - - void loadIdentity(); - void picker(); - void dump(const char* what); -}; - -struct mvui_transform_t : public transform_t -{ - void picker(); -}; - -struct matrix_stack_t { - enum { - DO_PICKER = 0x1, - DO_FLOAT_TO_FIXED = 0x2 - }; - transform_t transform; - uint8_t maxDepth; - uint8_t depth; - uint8_t dirty; - uint8_t reserved; - matrixf_t *stack; - uint8_t *ops; - void init(int depth); - void uninit(); - void loadIdentity(); - void load(const GLfixed* rhs); - void load(const GLfloat* rhs); - void multiply(const matrixf_t& rhs); - void translate(GLfloat x, GLfloat y, GLfloat z); - void scale(GLfloat x, GLfloat y, GLfloat z); - void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z); - GLint push(); - GLint pop(); - void validate(); - matrixf_t& top() { return stack[depth]; } - const matrixf_t& top() const { return stack[depth]; } - uint32_t top_ops() const { return ops[depth]; } - inline bool isRigidBody() const { - return !(ops[depth] & ~(OP_TRANSLATE|OP_UNIFORM_SCALE|OP_ROTATE)); - } -}; - -struct vp_transform_t { - transform_t transform; - matrixf_t matrix; - GLfloat zNear; - GLfloat zFar; - void loadIdentity(); -}; - -struct transform_state_t { - enum { - MODELVIEW = 0x01, - PROJECTION = 0x02, - VIEWPORT = 0x04, - TEXTURE = 0x08, - MVUI = 0x10, - MVIT = 0x20, - MVP = 0x40, - }; - matrix_stack_t *current; - matrix_stack_t modelview; - matrix_stack_t projection; - matrix_stack_t texture[GGL_TEXTURE_UNIT_COUNT]; - - // modelview * projection - transform_t mvp __attribute__((aligned(32))); - // viewport transformation - vp_transform_t vpt __attribute__((aligned(32))); - // same for 4-D vertices - transform_t mvp4; - // full modelview inverse transpose - transform_t mvit4; - // upper 3x3 of mv-inverse-transpose (for normals) - mvui_transform_t mvui; - - GLenum matrixMode; - GLenum rescaleNormals; - uint32_t dirty; - void invalidate(); - void update_mvp(); - void update_mvit(); - void update_mvui(); -}; - -struct viewport_t { - GLint x; - GLint y; - GLsizei w; - GLsizei h; - struct { - GLint x; - GLint y; - } surfaceport; - struct { - GLint x; - GLint y; - GLsizei w; - GLsizei h; - } scissor; -}; - -// ---------------------------------------------------------------------------- -// Lerping -// ---------------------------------------------------------------------------- - -struct compute_iterators_t -{ - void initTriangle( - vertex_t const* v0, - vertex_t const* v1, - vertex_t const* v2); - - void initLine( - vertex_t const* v0, - vertex_t const* v1); - - inline void initLerp(vertex_t const* v0, uint32_t enables); - - int iteratorsScale(int32_t it[3], - int32_t c0, int32_t c1, int32_t c2) const; - - void iterators1616(GGLfixed it[3], - GGLfixed c0, GGLfixed c1, GGLfixed c2) const; - - void iterators0032(int32_t it[3], - int32_t c0, int32_t c1, int32_t c2) const; - - void iterators0032(int64_t it[3], - int32_t c0, int32_t c1, int32_t c2) const; - - GGLcoord area() const { return m_area; } - -private: - // don't change order of members here -- used by iterators.S - GGLcoord m_dx01, m_dy10, m_dx20, m_dy02; - GGLcoord m_x0, m_y0; - GGLcoord m_area; - uint8_t m_scale; - uint8_t m_area_scale; - uint8_t m_reserved[2]; - -}; - -// ---------------------------------------------------------------------------- -// state -// ---------------------------------------------------------------------------- - -#ifdef HAVE_ANDROID_OS - // We have a dedicated TLS slot in bionic - inline void setGlThreadSpecific(ogles_context_t *value) { - ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)value; - } - inline ogles_context_t* getGlThreadSpecific() { - return (ogles_context_t *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]); - } -#else - extern pthread_key_t gGLKey; - inline void setGlThreadSpecific(ogles_context_t *value) { - pthread_setspecific(gGLKey, value); - } - inline ogles_context_t* getGlThreadSpecific() { - return static_cast<ogles_context_t*>(pthread_getspecific(gGLKey)); - } -#endif - - -struct prims_t { - typedef ogles_context_t* GL; - void (*renderPoint)(GL, vertex_t*); - void (*renderLine)(GL, vertex_t*, vertex_t*); - void (*renderTriangle)(GL, vertex_t*, vertex_t*, vertex_t*); -}; - -struct ogles_context_t { - context_t rasterizer; - array_machine_t arrays __attribute__((aligned(32))); - texture_state_t textures; - transform_state_t transforms; - vertex_cache_t vc; - prims_t prims; - culling_t cull; - lighting_t lighting; - user_clip_planes_t clipPlanes; - compute_iterators_t lerp; __attribute__((aligned(32))); - vertex_t current; - vec4_t currentColorClamped; - vec3_t currentNormal; - viewport_t viewport; - point_size_t point; - line_width_t line; - polygon_offset_t polygonOffset; - fog_t fog; - uint32_t perspective : 1; - uint32_t transformTextures : 1; - EGLSurfaceManager* surfaceManager; - EGLBufferObjectManager* bufferObjectManager; - - GLenum error; - - static inline ogles_context_t* get() { - return getGlThreadSpecific(); - } - -}; - -}; // namespace gl -}; // namespace android - -#endif // ANDROID_OPENGLES_CONTEXT_H - diff --git a/opengl/libagl/context.h b/opengl/libagl/context.h index ef36b56..7065a30 100644 --- a/opengl/libagl/context.h +++ b/opengl/libagl/context.h @@ -1,20 +1,642 @@ -/* libs/opengles/context.h -** -** Copyright 2006, 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. -*/ - -#include <private/opengles/gl_context.h> +/* + * Copyright (C) 2006 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_OPENGLES_CONTEXT_H +#define ANDROID_OPENGLES_CONTEXT_H + +#include <stdint.h> +#include <stddef.h> +#include <sys/types.h> +#include <pthread.h> +#ifdef HAVE_ANDROID_OS +#include <bionic_tls.h> +#endif + +#include <private/pixelflinger/ggl_context.h> +#include <hardware/gralloc.h> + +#include <GLES/gl.h> +#include <GLES/glext.h> + +namespace android { + + +const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10 +#ifdef GL_OES_compressed_ETC1_RGB8_texture + + 1 +#endif + ; + +class EGLTextureObject; +class EGLSurfaceManager; +class EGLBufferObjectManager; + +namespace gl { + +struct ogles_context_t; +struct matrixx_t; +struct transform_t; +struct buffer_t; + +ogles_context_t* getGlContext(); + +template<typename T> +static inline void swap(T& a, T& b) { + T t(a); a = b; b = t; +} +template<typename T> +inline T max(T a, T b) { + return a<b ? b : a; +} +template<typename T> +inline T max(T a, T b, T c) { + return max(a, max(b, c)); +} +template<typename T> +inline T min(T a, T b) { + return a<b ? a : b; +} +template<typename T> +inline T min(T a, T b, T c) { + return min(a, min(b, c)); +} +template<typename T> +inline T min(T a, T b, T c, T d) { + return min(min(a,b), min(c,d)); +} + +// ---------------------------------------------------------------------------- +// vertices +// ---------------------------------------------------------------------------- + +struct vec3_t { + union { + struct { GLfixed x, y, z; }; + struct { GLfixed r, g, b; }; + struct { GLfixed S, T, R; }; + GLfixed v[3]; + }; +}; + +struct vec4_t { + union { + struct { GLfixed x, y, z, w; }; + struct { GLfixed r, g, b, a; }; + struct { GLfixed S, T, R, Q; }; + GLfixed v[4]; + }; +}; + +struct vertex_t { + enum { + // these constant matter for our clipping + CLIP_L = 0x0001, // clipping flags + CLIP_R = 0x0002, + CLIP_B = 0x0004, + CLIP_T = 0x0008, + CLIP_N = 0x0010, + CLIP_F = 0x0020, + + EYE = 0x0040, + RESERVED = 0x0080, + + USER_CLIP_0 = 0x0100, // user clipping flags + USER_CLIP_1 = 0x0200, + USER_CLIP_2 = 0x0400, + USER_CLIP_3 = 0x0800, + USER_CLIP_4 = 0x1000, + USER_CLIP_5 = 0x2000, + + LIT = 0x4000, // lighting has been applied + TT = 0x8000, // texture coords transformed + + FRUSTUM_CLIP_ALL= 0x003F, + USER_CLIP_ALL = 0x3F00, + CLIP_ALL = 0x3F3F, + }; + + // the fields below are arranged to minimize d-cache usage + // we group together, by cache-line, the fields most likely to be used + + union { + vec4_t obj; + vec4_t eye; + }; + vec4_t clip; + + uint32_t flags; + size_t index; // cache tag, and vertex index + GLfixed fog; + uint8_t locked; + uint8_t mru; + uint8_t reserved[2]; + vec4_t window; + + vec4_t color; + vec4_t texture[GGL_TEXTURE_UNIT_COUNT]; + uint32_t reserved1[4]; + + inline void clear() { + flags = index = locked = mru = 0; + } +}; + +struct point_size_t { + GGLcoord size; + GLboolean smooth; +}; + +struct line_width_t { + GGLcoord width; + GLboolean smooth; +}; + +struct polygon_offset_t { + GLfixed factor; + GLfixed units; + GLboolean enable; +}; + +// ---------------------------------------------------------------------------- +// arrays +// ---------------------------------------------------------------------------- + +struct array_t { + typedef void (*fetcher_t)(ogles_context_t*, GLfixed*, const GLvoid*); + fetcher_t fetch; + GLvoid const* physical_pointer; + GLint size; + GLsizei stride; + GLvoid const* pointer; + buffer_t const* bo; + uint16_t type; + GLboolean enable; + GLboolean pad; + GLsizei bounds; + void init(GLint, GLenum, GLsizei, const GLvoid *, const buffer_t*, GLsizei); + inline void resolve(); + inline const GLubyte* element(GLint i) const { + return (const GLubyte*)physical_pointer + i * stride; + } +}; + +struct array_machine_t { + array_t vertex; + array_t normal; + array_t color; + array_t texture[GGL_TEXTURE_UNIT_COUNT]; + uint8_t activeTexture; + uint8_t tmu; + uint16_t cull; + uint32_t flags; + GLenum indicesType; + buffer_t const* array_buffer; + buffer_t const* element_array_buffer; + + void (*compileElements)(ogles_context_t*, vertex_t*, GLint, GLsizei); + void (*compileElement)(ogles_context_t*, vertex_t*, GLint); + + void (*mvp_transform)(transform_t const*, vec4_t*, vec4_t const*); + void (*mv_transform)(transform_t const*, vec4_t*, vec4_t const*); + void (*tex_transform[2])(transform_t const*, vec4_t*, vec4_t const*); + void (*perspective)(ogles_context_t*c, vertex_t* v); + void (*clipVertex)(ogles_context_t* c, vertex_t* nv, + GGLfixed t, const vertex_t* s, const vertex_t* p); + void (*clipEye)(ogles_context_t* c, vertex_t* nv, + GGLfixed t, const vertex_t* s, const vertex_t* p); +}; + +struct vertex_cache_t { + enum { + // must be at least 4 + // 3 vertice for triangles + // or 2 + 2 for indexed triangles w/ cache contention + VERTEX_BUFFER_SIZE = 8, + // must be a power of two and at least 3 + VERTEX_CACHE_SIZE = 64, // 8 KB + + INDEX_BITS = 16, + INDEX_MASK = ((1LU<<INDEX_BITS)-1), + INDEX_SEQ = 1LU<<INDEX_BITS, + }; + vertex_t* vBuffer; + vertex_t* vCache; + uint32_t sequence; + void* base; + uint32_t total; + uint32_t misses; + int64_t startTime; + void init(); + void uninit(); + void clear(); + void dump_stats(GLenum mode); +}; + +// ---------------------------------------------------------------------------- +// fog +// ---------------------------------------------------------------------------- + +struct fog_t { + GLfixed density; + GLfixed start; + GLfixed end; + GLfixed invEndMinusStart; + GLenum mode; + GLfixed (*fog)(ogles_context_t* c, GLfixed z); +}; + +// ---------------------------------------------------------------------------- +// user clip planes +// ---------------------------------------------------------------------------- + +const unsigned int OGLES_MAX_CLIP_PLANES = 6; + +struct clip_plane_t { + vec4_t equation; +}; + +struct user_clip_planes_t { + clip_plane_t plane[OGLES_MAX_CLIP_PLANES]; + uint32_t enable; +}; + +// ---------------------------------------------------------------------------- +// lighting +// ---------------------------------------------------------------------------- + +const unsigned int OGLES_MAX_LIGHTS = 8; + +struct light_t { + vec4_t ambient; + vec4_t diffuse; + vec4_t specular; + vec4_t implicitAmbient; + vec4_t implicitDiffuse; + vec4_t implicitSpecular; + vec4_t position; // position in eye space + vec4_t objPosition; + vec4_t normalizedObjPosition; + vec4_t spotDir; + vec4_t normalizedSpotDir; + GLfixed spotExp; + GLfixed spotCutoff; + GLfixed spotCutoffCosine; + GLfixed attenuation[3]; + GLfixed rConstAttenuation; + GLboolean enable; +}; + +struct material_t { + vec4_t ambient; + vec4_t diffuse; + vec4_t specular; + vec4_t emission; + GLfixed shininess; +}; + +struct light_model_t { + vec4_t ambient; + GLboolean twoSide; +}; + +struct color_material_t { + GLenum face; + GLenum mode; + GLboolean enable; +}; + +struct lighting_t { + light_t lights[OGLES_MAX_LIGHTS]; + material_t front; + light_model_t lightModel; + color_material_t colorMaterial; + vec4_t implicitSceneEmissionAndAmbient; + vec4_t objViewer; + uint32_t enabledLights; + GLboolean enable; + GLenum shadeModel; + typedef void (*light_fct_t)(ogles_context_t*, vertex_t*); + void (*lightVertex)(ogles_context_t* c, vertex_t* v); + void (*lightTriangle)(ogles_context_t* c, + vertex_t* v0, vertex_t* v1, vertex_t* v2); +}; + +struct culling_t { + GLenum cullFace; + GLenum frontFace; + GLboolean enable; +}; + +// ---------------------------------------------------------------------------- +// textures +// ---------------------------------------------------------------------------- + +struct texture_unit_t { + GLuint name; + EGLTextureObject* texture; + uint8_t dirty; +}; + +struct texture_state_t +{ + texture_unit_t tmu[GGL_TEXTURE_UNIT_COUNT]; + int active; // active tmu + EGLTextureObject* defaultTexture; + GGLContext* ggl; + uint8_t packAlignment; + uint8_t unpackAlignment; +}; + +// ---------------------------------------------------------------------------- +// transformation and matrices +// ---------------------------------------------------------------------------- + +struct matrixf_t; + +struct matrixx_t { + GLfixed m[16]; + void load(const matrixf_t& rhs); +}; + +struct matrix_stack_t; + + +struct matrixf_t { + void loadIdentity(); + void load(const matrixf_t& rhs); + + inline GLfloat* editElements() { return m; } + inline GLfloat const* elements() const { return m; } + + void set(const GLfixed* rhs); + void set(const GLfloat* rhs); + + static void multiply(matrixf_t& r, + const matrixf_t& lhs, const matrixf_t& rhs); + + void dump(const char* what); + +private: + friend struct matrix_stack_t; + GLfloat m[16]; + void load(const GLfixed* rhs); + void load(const GLfloat* rhs); + void multiply(const matrixf_t& rhs); + void translate(GLfloat x, GLfloat y, GLfloat z); + void scale(GLfloat x, GLfloat y, GLfloat z); + void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z); +}; + +enum { + OP_IDENTITY = 0x00, + OP_TRANSLATE = 0x01, + OP_UNIFORM_SCALE = 0x02, + OP_SCALE = 0x05, + OP_ROTATE = 0x08, + OP_SKEW = 0x10, + OP_ALL = 0x1F +}; + +struct transform_t { + enum { + FLAGS_2D_PROJECTION = 0x1 + }; + matrixx_t matrix; + uint32_t flags; + uint32_t ops; + + union { + struct { + void (*point2)(transform_t const* t, vec4_t*, vec4_t const*); + void (*point3)(transform_t const* t, vec4_t*, vec4_t const*); + void (*point4)(transform_t const* t, vec4_t*, vec4_t const*); + }; + void (*pointv[3])(transform_t const* t, vec4_t*, vec4_t const*); + }; + + void loadIdentity(); + void picker(); + void dump(const char* what); +}; + +struct mvui_transform_t : public transform_t +{ + void picker(); +}; + +struct matrix_stack_t { + enum { + DO_PICKER = 0x1, + DO_FLOAT_TO_FIXED = 0x2 + }; + transform_t transform; + uint8_t maxDepth; + uint8_t depth; + uint8_t dirty; + uint8_t reserved; + matrixf_t *stack; + uint8_t *ops; + void init(int depth); + void uninit(); + void loadIdentity(); + void load(const GLfixed* rhs); + void load(const GLfloat* rhs); + void multiply(const matrixf_t& rhs); + void translate(GLfloat x, GLfloat y, GLfloat z); + void scale(GLfloat x, GLfloat y, GLfloat z); + void rotate(GLfloat a, GLfloat x, GLfloat y, GLfloat z); + GLint push(); + GLint pop(); + void validate(); + matrixf_t& top() { return stack[depth]; } + const matrixf_t& top() const { return stack[depth]; } + uint32_t top_ops() const { return ops[depth]; } + inline bool isRigidBody() const { + return !(ops[depth] & ~(OP_TRANSLATE|OP_UNIFORM_SCALE|OP_ROTATE)); + } +}; + +struct vp_transform_t { + transform_t transform; + matrixf_t matrix; + GLfloat zNear; + GLfloat zFar; + void loadIdentity(); +}; + +struct transform_state_t { + enum { + MODELVIEW = 0x01, + PROJECTION = 0x02, + VIEWPORT = 0x04, + TEXTURE = 0x08, + MVUI = 0x10, + MVIT = 0x20, + MVP = 0x40, + }; + matrix_stack_t *current; + matrix_stack_t modelview; + matrix_stack_t projection; + matrix_stack_t texture[GGL_TEXTURE_UNIT_COUNT]; + + // modelview * projection + transform_t mvp __attribute__((aligned(32))); + // viewport transformation + vp_transform_t vpt __attribute__((aligned(32))); + // same for 4-D vertices + transform_t mvp4; + // full modelview inverse transpose + transform_t mvit4; + // upper 3x3 of mv-inverse-transpose (for normals) + mvui_transform_t mvui; + + GLenum matrixMode; + GLenum rescaleNormals; + uint32_t dirty; + void invalidate(); + void update_mvp(); + void update_mvit(); + void update_mvui(); +}; + +struct viewport_t { + GLint x; + GLint y; + GLsizei w; + GLsizei h; + struct { + GLint x; + GLint y; + } surfaceport; + struct { + GLint x; + GLint y; + GLsizei w; + GLsizei h; + } scissor; +}; + +// ---------------------------------------------------------------------------- +// Lerping +// ---------------------------------------------------------------------------- + +struct compute_iterators_t +{ + void initTriangle( + vertex_t const* v0, + vertex_t const* v1, + vertex_t const* v2); + + void initLine( + vertex_t const* v0, + vertex_t const* v1); + + inline void initLerp(vertex_t const* v0, uint32_t enables); + + int iteratorsScale(int32_t it[3], + int32_t c0, int32_t c1, int32_t c2) const; + + void iterators1616(GGLfixed it[3], + GGLfixed c0, GGLfixed c1, GGLfixed c2) const; + + void iterators0032(int32_t it[3], + int32_t c0, int32_t c1, int32_t c2) const; + + void iterators0032(int64_t it[3], + int32_t c0, int32_t c1, int32_t c2) const; + + GGLcoord area() const { return m_area; } + +private: + // don't change order of members here -- used by iterators.S + GGLcoord m_dx01, m_dy10, m_dx20, m_dy02; + GGLcoord m_x0, m_y0; + GGLcoord m_area; + uint8_t m_scale; + uint8_t m_area_scale; + uint8_t m_reserved[2]; + +}; + +// ---------------------------------------------------------------------------- +// state +// ---------------------------------------------------------------------------- + +#ifdef HAVE_ANDROID_OS + // We have a dedicated TLS slot in bionic + inline void setGlThreadSpecific(ogles_context_t *value) { + ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)value; + } + inline ogles_context_t* getGlThreadSpecific() { + return (ogles_context_t *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]); + } +#else + extern pthread_key_t gGLKey; + inline void setGlThreadSpecific(ogles_context_t *value) { + pthread_setspecific(gGLKey, value); + } + inline ogles_context_t* getGlThreadSpecific() { + return static_cast<ogles_context_t*>(pthread_getspecific(gGLKey)); + } +#endif + + +struct prims_t { + typedef ogles_context_t* GL; + void (*renderPoint)(GL, vertex_t*); + void (*renderLine)(GL, vertex_t*, vertex_t*); + void (*renderTriangle)(GL, vertex_t*, vertex_t*, vertex_t*); +}; + +struct ogles_context_t { + context_t rasterizer; + array_machine_t arrays __attribute__((aligned(32))); + texture_state_t textures; + transform_state_t transforms; + vertex_cache_t vc; + prims_t prims; + culling_t cull; + lighting_t lighting; + user_clip_planes_t clipPlanes; + compute_iterators_t lerp; __attribute__((aligned(32))); + vertex_t current; + vec4_t currentColorClamped; + vec3_t currentNormal; + viewport_t viewport; + point_size_t point; + line_width_t line; + polygon_offset_t polygonOffset; + fog_t fog; + uint32_t perspective : 1; + uint32_t transformTextures : 1; + EGLSurfaceManager* surfaceManager; + EGLBufferObjectManager* bufferObjectManager; + + GLenum error; + + static inline ogles_context_t* get() { + return getGlThreadSpecific(); + } + +}; + +}; // namespace gl +}; // namespace android using namespace android::gl; + +#endif // ANDROID_OPENGLES_CONTEXT_H + |