add gpu to the default makefile

move skia-gpu files into skia/src/gpu



git-svn-id: http://skia.googlecode.com/svn/trunk@653 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 65 insertions, 0 deletions

diff --git a/src/utils/mac/SkEGLContext_mac.cpp b/src/utils/mac/SkEGLContext_mac.cpp
new file mode 100644
index 0000000000..13bb5922ac
--- /dev/null
+++ b/src/utils/mac/SkEGLContext_mac.cpp
@@ -0,0 +1,65 @@
+#include "SkEGLContext.h"
+#include <AGL/agl.h>
+
+SkEGLContext::SkEGLContext() : fContext(NULL) {
+}
+
+SkEGLContext::~SkEGLContext() {
+	if (fContext) {
+		aglDestroyContext((AGLContext)fContext);
+	}
+}
+
+bool SkEGLContext::init(int width, int height) {
+	GLint major, minor;
+	AGLContext ctx;
+
+	aglGetVersion(&major, &minor);
+	SkDebugf("---- agl version %d %d\n", major, minor);
+
+	const GLint pixelAttrs[] = {
+		AGL_RGBA,
+		AGL_STENCIL_SIZE, 8,
+/*
+		AGL_SAMPLE_BUFFERS_ARB, 1,
+		AGL_MULTISAMPLE,
+		AGL_SAMPLES_ARB, 2,
+*/
+		AGL_ACCELERATED,
+		AGL_NONE
+	};
+	AGLPixelFormat format = aglChoosePixelFormat(NULL, 0, pixelAttrs);
+	//AGLPixelFormat format = aglCreatePixelFormat(pixelAttrs);
+	SkDebugf("----- agl format %p\n", format);
+	ctx = aglCreateContext(format, NULL);
+	SkDebugf("----- agl context %p\n", ctx);
+	aglDestroyPixelFormat(format);
+
+	SkDebugf("---- sizeof aglcontext %d\n", sizeof(AGLContext));
+/*
+	static const GLint interval = 1;
+	aglSetInteger(ctx, AGL_SWAP_INTERVAL, &interval);
+*/
+
+	aglSetCurrentContext(ctx);
+	fContext = (void*)ctx;
+
+	// Now create our FBO render target
+
+	GLuint fboID;
+	GLuint cbID;
+    GLuint dsID;
+	glGenFramebuffersEXT(1, &fboID);
+	glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboID);
+	glGenRenderbuffers(1, &cbID);
+	glBindRenderbuffer(GL_RENDERBUFFER, cbID);
+	glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA, width, height);
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, cbID);
+    glGenRenderbuffers(1, &dsID);
+    glBindRenderbuffer(GL_RENDERBUFFER, dsID);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_STENCIL, width, height);
+    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, dsID);
+    
+    GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    return GL_FRAMEBUFFER_COMPLETE == status;
+}