70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
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#include <AGL/agl.h>
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class SkEGLContext {
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public:
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SkEGLContext();
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~SkEGLContext();
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bool init(int width, int height);
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private:
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AGLContext fAGLContext;
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};
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SkEGLContext::SkEGLContext() : fAGLContext(NULL) {
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}
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SkEGLContext::~SkEGLContext() {
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if (fAGLContext) {
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aglDestroyContext(fAGLContext);
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}
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}
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bool SkEGLContext::init(int width, int height) {
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GLint major, minor;
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AGLContext ctx;
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aglGetVersion(&major, &minor);
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SkDebugf("---- agl version %d %d\n", major, minor);
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const GLint pixelAttrs[] = {
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AGL_RGBA,
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AGL_STENCIL_SIZE, 8,
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/*
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AGL_SAMPLE_BUFFERS_ARB, 1,
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AGL_MULTISAMPLE,
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AGL_SAMPLES_ARB, 2,
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*/
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AGL_ACCELERATED,
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AGL_NONE
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};
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AGLPixelFormat format = aglChoosePixelFormat(NULL, 0, pixelAttrs);
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//AGLPixelFormat format = aglCreatePixelFormat(pixelAttrs);
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SkDebugf("----- agl format %p\n", format);
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ctx = aglCreateContext(format, NULL);
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SkDebugf("----- agl context %p\n", ctx);
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aglDestroyPixelFormat(format);
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SkDebugf("---- sizeof aglcontext %d\n", sizeof(AGLContext));
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/*
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static const GLint interval = 1;
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aglSetInteger(ctx, AGL_SWAP_INTERVAL, &interval);
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*/
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aglSetCurrentContext(ctx);
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fAGLContext = ctx;
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// Now create our FBO render target
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GLuint fboID;
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GLuint cbID;
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glGenFramebuffersEXT(1, &fboID);
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboID);
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glGenRenderbuffers(1, &cbID);
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glBindRenderbuffer(GL_RENDERBUFFER, cbID);
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glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA, width, height);
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, cbID);
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return true;
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}
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