libagl shouldn't export anything
Change-Id: Ia823dbc56aab2a0b8a6063df4348fe6baac124c6
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.
-*/
+/*
+ * 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.
+ */
-#include <private/opengles/gl_context.h>
+#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
+