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Code Issues 6 Pull Requests Releases Activity

Add initial EGL support
continuous-integration/drone/push Build is passing
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master
Graham 3 years ago
parent 2d7d4c7f89
commit 8bd35b7772
1 changed files with 169 additions and 14 deletions
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  1. 183
      gl-natives/src/main/c/jaggl.c

183
gl-natives/src/main/c/jaggl.c
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@ -11,7 +11,10 @@
#error Unsupported platform
#endif
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
#include <EGL/egl.h>
#include <GL/gl.h>
#elif defined(JAGGL_GLX)
#include <GL/glx.h>
#elif defined(JAGGL_WGL)
#include <windows.h>
@ -95,7 +98,19 @@
#define JAGGL_RELEASE_STRING(env, str) \
(*env)->ReleaseStringUTFChars(env, str, str ## _str)
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
#define PFNGLCLIENTACTIVETEXTUREPROC PFNGLCLIENTACTIVETEXTUREARBPROC
#define PFNGLMULTITEXCOORD2FPROC PFNGLMULTITEXCOORD2FARBPROC
#define PFNGLMULTITEXCOORD2IPROC PFNGLMULTITEXCOORD2IARBPROC
#define JAGGL_FORCE_LOCK(env) _JAGGL_GET(env)
#define JAGGL_FORCE_UNLOCK(env)
#define JAGGL_LOCK(env)
#define JAGGL_UNLOCK(env)
#define JAGGL_PROC_ADDR(name) eglGetProcAddress(name)
#elif defined(JAGGL_GLX)
#define PFNGLCLIENTACTIVETEXTUREPROC PFNGLCLIENTACTIVETEXTUREARBPROC
#define PFNGLMULTITEXCOORD2FPROC PFNGLMULTITEXCOORD2FARBPROC
#define PFNGLMULTITEXCOORD2IPROC PFNGLMULTITEXCOORD2IARBPROC
@ -127,7 +142,13 @@
#error Unsupported platform
#endif
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
static EGLDisplay jaggl_display = EGL_NO_DISPLAY;
static EGLSurface jaggl_surface = EGL_NO_SURFACE;
static EGLContext jaggl_context = EGL_NO_CONTEXT;
static EGLConfig jaggl_config;
static bool jaggl_double_buffered;
#elif defined(JAGGL_GLX)
static Display *jaggl_display;
static XVisualInfo *jaggl_visual_info;
static VisualID jaggl_visual_id;
@ -432,7 +453,9 @@ static PFNGLTEXIMAGE3DPROC jaggl_glTexImage3D;
static PFNGLUNIFORM1IARBPROC jaggl_glUniform1iARB;
static PFNGLUNIFORM3FARBPROC jaggl_glUniform3fARB;
static PFNGLUSEPROGRAMOBJECTARBPROC jaggl_glUseProgramObjectARB;
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
// we don't require any EGL extensions
#elif defined(JAGGL_GLX)
static PFNGLXSWAPINTERVALSGIPROC jaggl_glXSwapIntervalSGI;
#elif defined(JAGGL_WGL)
static PFNWGLCHOOSEPIXELFORMATARBPROC jaggl_wglChoosePixelFormatARB;
@ -490,7 +513,9 @@ static void jaggl_init_proc_table(void) {
jaggl_glUniform1iARB = (PFNGLUNIFORM1IARBPROC) JAGGL_PROC_ADDR("glUniform1iARB");
jaggl_glUniform3fARB = (PFNGLUNIFORM3FARBPROC) JAGGL_PROC_ADDR("glUniform3fARB");
jaggl_glUseProgramObjectARB = (PFNGLUSEPROGRAMOBJECTARBPROC) JAGGL_PROC_ADDR("glUseProgramObjectARB");
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
// we don't require any EGL extensions
#elif defined(JAGGL_GLX)
jaggl_glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC) JAGGL_PROC_ADDR("glXSwapIntervalSGI");
#elif defined(JAGGL_WGL)
jaggl_wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC) JAGGL_PROC_ADDR("wglChoosePixelFormatARB");
@ -591,7 +616,19 @@ destroy_class:
JNIEXPORT jboolean JNICALL Java_jaggl_context_createContext(JNIEnv *env, jclass cls) {
JAGGL_LOCK(env);
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
EGLContext current = eglGetCurrentContext();
if (current) {
eglMakeCurrent(jaggl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
if (jaggl_context) {
eglDestroyContext(jaggl_display, jaggl_context);
jaggl_context = NULL;
}
jaggl_context = eglCreateContext(jaggl_display, jaggl_config, EGL_NO_CONTEXT, NULL);
#elif defined(JAGGL_GLX)
GLXContext current = glXGetCurrentContext();
if (current) {
glXMakeCurrent(jaggl_display, None, NULL);
@ -646,7 +683,12 @@ JNIEXPORT jboolean JNICALL Java_jaggl_context_releaseContext(JNIEnv *env, jclass
jboolean result = JNI_TRUE;
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
EGLContext current = eglGetCurrentContext();
if (current) {
result = (jboolean) eglMakeCurrent(jaggl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
#elif defined(JAGGL_GLX)
GLXContext current = glXGetCurrentContext();
if (current) {
result = (jboolean) glXMakeCurrent(jaggl_display, None, NULL);
@ -672,7 +714,24 @@ JNIEXPORT jboolean JNICALL Java_jaggl_context_releaseContext(JNIEnv *env, jclass
JNIEXPORT jboolean JNICALL Java_jaggl_context_destroy(JNIEnv *env, jclass cls) {
JAGGL_LOCK(env);
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
EGLContext current = eglGetCurrentContext();
if (current) {
eglMakeCurrent(jaggl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
if (jaggl_context) {
eglDestroyContext(jaggl_display, jaggl_context);
jaggl_context = EGL_NO_CONTEXT;
}
if (jaggl_surface) {
eglDestroySurface(jaggl_display, jaggl_surface);
jaggl_surface = EGL_NO_SURFACE;
}
jaggl_display = EGL_NO_DISPLAY;
#elif defined(JAGGL_GLX)
GLXContext current = glXGetCurrentContext();
if (current) {
glXMakeCurrent(jaggl_display, None, NULL);
@ -772,7 +831,13 @@ JNIEXPORT jboolean JNICALL Java_jaggl_context_swapBuffers(JNIEnv *env, jclass cl
jboolean result = JNI_TRUE;
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
if (jaggl_double_buffered) {
result = (jboolean) eglSwapBuffers(jaggl_display, jaggl_surface);
} else {
glFlush();
}
#elif defined(JAGGL_GLX)
if (jaggl_double_buffered) {
glXSwapBuffers(jaggl_display, jaggl_drawable);
} else {
@ -804,7 +869,9 @@ JNIEXPORT jboolean JNICALL Java_jaggl_context_swapBuffers(JNIEnv *env, jclass cl
}
JNIEXPORT jint JNICALL Java_jaggl_context_getLastError(JNIEnv *env, jclass cls) {
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
return (jint) eglGetError();
#elif defined(JAGGL_GLX)
return 0;
#elif defined(JAGGL_WGL)
return (jint) GetLastError();
@ -818,7 +885,9 @@ JNIEXPORT jint JNICALL Java_jaggl_context_getLastError(JNIEnv *env, jclass cls)
JNIEXPORT void JNICALL Java_jaggl_context_setSwapInterval(JNIEnv *env, jclass cls, jint interval) {
JAGGL_LOCK(env);
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
eglSwapInterval(jaggl_display, (EGLint) interval);
#elif defined(JAGGL_GLX)
if (jaggl_glXSwapIntervalSGI) {
jaggl_glXSwapIntervalSGI((int) interval);
}
@ -844,7 +913,10 @@ JNIEXPORT jstring JNICALL Java_jaggl_context_getExtensionsString(JNIEnv *env, jc
const char *extensions_str;
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
// we don't require any EGL extensions
extensions_str = "";
#elif defined(JAGGL_GLX)
extensions_str = glXQueryExtensionsString(jaggl_display, jaggl_visual_info->screen);
#elif defined(JAGGL_WGL)
if (jaggl_wglGetExtensionsStringEXT) {
@ -891,7 +963,71 @@ JNIEXPORT jboolean JNICALL Java_jaggl_context_choosePixelFormat1(JNIEnv *env, jc
goto ds_unlock;
}
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
if (!eglBindAPI(EGL_OPENGL_API)) {
goto dsi_free;
}
JAWT_X11DrawingSurfaceInfo *platform_info = (JAWT_X11DrawingSurfaceInfo *) dsi->platformInfo;
if (!platform_info) {
goto dsi_free;
}
jaggl_display = eglGetDisplay(platform_info->display);
if (!jaggl_display) {
goto dsi_free;
}
if (!eglInitialize(jaggl_display, NULL, NULL)) {
goto dsi_free;
}
EGLint attribs[] = {
EGL_COLOR_BUFFER_TYPE,
EGL_RGB_BUFFER,
EGL_RED_SIZE,
8,
EGL_GREEN_SIZE,
8,
EGL_BLUE_SIZE,
8,
EGL_ALPHA_SIZE,
alpha_bits,
EGL_DEPTH_SIZE,
24,
EGL_RENDERABLE_TYPE,
EGL_OPENGL_BIT,
EGL_SURFACE_TYPE,
EGL_WINDOW_BIT,
EGL_NONE, // for EGL_SAMPLE_BUFFERS
EGL_NONE, // for 1
EGL_NONE, // for EGL_SAMPLES
EGL_NONE, // for num_samples
EGL_NONE
};
int i = 16;
if (num_samples) {
attribs[i++] = EGL_SAMPLE_BUFFERS;
attribs[i++] = 1;
attribs[i++] = EGL_SAMPLES;
attribs[i++] = num_samples;
}
EGLint num_config;
if (!eglChooseConfig(jaggl_display, attribs, &jaggl_config, 1, &num_config) || num_config != 1) {
goto dsi_free;
}
jaggl_surface = eglCreateWindowSurface(jaggl_display, jaggl_config, platform_info->drawable, NULL);
if (!jaggl_surface) {
goto dsi_free;
}
jaggl_alpha_bits = alpha_bits;
result = JNI_TRUE;
#elif defined(JAGGL_GLX)
JAWT_X11DrawingSurfaceInfo *platform_info = (JAWT_X11DrawingSurfaceInfo *) dsi->platformInfo;
if (!platform_info) {
goto dsi_free;
@ -1258,7 +1394,26 @@ JNIEXPORT jboolean JNICALL Java_jaggl_context_makeCurrent1(JNIEnv *env, jclass c
goto done;
}
#if defined(JAGGL_GLX)
#if defined(JAGGL_EGL)
EGLContext current = eglGetCurrentContext();
if (jaggl_context == current) {
result = JNI_TRUE;
goto done;
}
eglMakeCurrent(jaggl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (!eglMakeCurrent(jaggl_display, jaggl_surface, jaggl_surface, jaggl_context)) {
goto done;
}
EGLint value;
if (!eglQueryContext(jaggl_display, jaggl_context, EGL_RENDER_BUFFER, &value)) {
goto done;
}
jaggl_double_buffered = value == EGL_BACK_BUFFER;
#elif defined(JAGGL_GLX)
GLXContext current = glXGetCurrentContext();
if (jaggl_context == current) {
result = JNI_TRUE;

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