1/*
2* Copyright (C) 2011 The Android Open Source Project
3*
4* Licensed under the Apache License, Version 2.0 (the "License");
5* you may not use this file except in compliance with the License.
6* You may obtain a copy of the License at
7*
8* http://www.apache.org/licenses/LICENSE-2.0
9*
10* Unless required by applicable law or agreed to in writing, software
11* distributed under the License is distributed on an "AS IS" BASIS,
12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13* See the License for the specific language governing permissions and
14* limitations under the License.
15*/
16#ifndef _RENDERING_THREAD_H_
17#define _RENDERING_THREAD_H_
18
19#include "SocketStream.h"
20#include "GLDecoder.h"
21#include "GL2Decoder.h"
22#include "ut_rendercontrol_dec.h"
23#include <pthread.h>
24
25#define GL_API
26#define GL_APIENTRY
27
28#include <GLES/egl.h>
29#include <GLES/gl.h>
30
31
32#define WINDOW_WIDTH    320
33#define WINDOW_HEIGHT   480
34
35#define DECODER_BUF_SIZE (4 * 1024 * 1024)
36
37class RendererContext;
38
39class RenderingThread {
40public:
41    RenderingThread(SocketStream *stream);
42    int start();
43    void *thread();
44    RendererContext *currentContext() { return m_currentContext; }
45    void setCurrentContext(RendererContext *ctx) { m_currentContext = ctx; }
46    GLDecoder & glDecoder() { return m_glDec; }
47    GL2Decoder & gl2Decoder() { return m_gl2Dec; }
48
49private:
50    void initBackendCaps();
51
52private:
53    GLDecoder   m_glDec;
54    ut_rendercontrol_decoder_context_t m_utDec;
55    GL2Decoder m_gl2Dec;
56
57    SocketStream   *m_stream;
58    pthread_t m_thread;
59    RendererContext * m_currentContext;
60
61    struct BackendCaps {
62        bool initialized;
63        GLuint maxTextureUnits;
64    } m_backendCaps;
65
66    static void * s_thread(void *data);
67    static __thread RenderingThread *m_tls;
68
69    static int s_createContext(uint32_t pid, uint32_t handle, uint32_t shareCtx, int version);
70    static int s_createSurface(uint32_t pid, uint32_t handle);
71    static int s_destroySurface(uint32_t pid, uint32_t handle);
72    static int s_destroyContext(uint32_t pid, uint32_t handle);
73    static int s_makeCurrent(uint32_t pid, uint32_t drawSurface, uint32_t readSurface, uint32_t ctx);
74    static void s_swapBuffers(uint32_t pid, uint32_t surface);
75#ifdef PVR_WAR
76    static void s_glTexParameteriv(GLenum target, GLenum param, const int *p);
77    static void s_glDrawTexfOES(GLfloat x, GLfloat y, GLfloat z, GLfloat w, GLfloat h);
78    static void s_glDrawTexsOES(GLshort x, GLshort y, GLshort z, GLshort w, GLshort h);
79    static void s_glDrawTexiOES(GLint x, GLint y, GLint z, GLint w, GLint h);
80    static void s_glDrawTexxOES(GLfixed x, GLfixed y, GLfixed z, GLfixed w, GLfixed h);
81    static void s_glDrawTexfvOES(const GLfloat *coords);
82    static void s_glDrawTexsvOES(const GLshort *coords);
83    static void s_glDrawTexivOES(const GLint *coords);
84    static void s_glDrawTexxvOES(const GLfixed *coords);
85
86    static void s_glActiveTexture(GLenum texture);
87    static void s_glBindTexture(GLenum target, GLuint texture);
88    static void s_glEnable(GLenum cap);
89    static void s_glDisable(GLenum cap);
90    static void s_glClientActiveTexture(GLenum texture);
91    static void s_glEnableClientState(GLenum cap);
92    static void s_glDisableClientState(GLenum cap);
93
94    void applyPendingCropRects();
95    void fixTextureEnable();
96
97    glTexParameteriv_server_proc_t m_glTexParameteriv;
98    glDrawTexfOES_server_proc_t m_glDrawTexfOES;
99    glDrawTexiOES_server_proc_t m_glDrawTexiOES;
100    glDrawTexsOES_server_proc_t m_glDrawTexsOES;
101    glDrawTexxOES_server_proc_t m_glDrawTexxOES;
102    glDrawTexfvOES_server_proc_t m_glDrawTexfvOES;
103    glDrawTexivOES_server_proc_t m_glDrawTexivOES;
104    glDrawTexsvOES_server_proc_t m_glDrawTexsvOES;
105    glDrawTexxvOES_server_proc_t m_glDrawTexxvOES;
106    glActiveTexture_server_proc_t m_glActiveTexture;
107    glBindTexture_server_proc_t m_glBindTexture;
108    glEnable_server_proc_t m_glEnable;
109    glDisable_server_proc_t m_glDisable;
110    glClientActiveTexture_server_proc_t m_glClientActiveTexture;
111    glEnableClientState_server_proc_t m_glEnableClientState;
112    glDisableClientState_server_proc_t m_glDisableClientState;
113#endif
114
115};
116
117#endif
118