//
//?Book:??????OpenCL（R）?Programming?Guide
//?Authors:???Aaftab?Munshi?Benedict?Gaster?Timothy?Mattson?James?Fung?Dan?Ginsburg
//?ISBN-10:???0-321-74964-2
//?ISBN-13:???978-0-321-74964-2
//?Publisher:?Addison-Wesley?Professional
//?URLs:??????http://safari.informit.com/9780132488006/
//????????????http://www.openclprogrammingguide.com
//

//?GLinterop.cpp
//
//????This?is?a?simple?example?that?demonstrates?basic?OpenCL?setup?and
//????use.

#include?
#include?
#include?

#ifdef?__APPLE__
#include?
#else
#include?
#include?
#endif

#ifdef?_WIN32
#include?
#endif
#include?
#include?

#ifdef?__GNUC__
#include?
#endif

///
//?OpenGL/CL?variables?objects
//
GLuint?tex?=?0;
GLuint?vbo?=?0;
int?vbolen;?
int?imWidth?=?0;
int?imHeight?=?0;
cl_kernel?kernel?=?0;
cl_kernel?tex_kernel?=?0;
cl_mem?cl_vbo_mem?cl_tex_mem;
cl_context?context?=?0;
cl_command_queue?commandQueue?=?0;
cl_program?program?=?0;


///
//?Forward?declarations
void?Cleanup（）;
cl_int?computeVBO（）;
cl_int?computeTexture（）;

///
//?Render?the?vertex?buffer?object?（VBO）?contents
//
void?renderVBO（?int?vbolen?）?
{
	glColor3f（1.0f?1.0f?1.0f）;
	glLineWidth（2.0f）;
????//?Draw?VBO?containing?the?point?list?coordinates?to?place?GL_POINTS?at?feature?locations
????//?bind?VBOs?for?vertex?array?and?index?array
????glBindBufferARB（GL_ARRAY_BUFFER_ARB?vbo）;?????????//?for?vertex?coordinates
????glEnableClientState（GL_VERTEX_ARRAY）;?????????????//?activate?vertex?coords?array
????glVertexPointer（?2?GL_FLOAT?0?0?）;
	?
????//?draw?lines?with?endpoints?given?in?the?array
????glDrawArrays（GL_LINES?0?vbolen*2）;

????glDisableClientState（GL_VERTEX_ARRAY）;????????????//?deactivate?vertex?array

????//?bind?with?0?so?switch?back?to?normal?pointer?operation
????glBindBufferARB（GL_ARRAY_BUFFER_ARB?0）;
}

///
//?Display?the?texture?in?the?window
//
void?displayTexture（int?w?int?h）
{
	glEnable（GL_TEXTURE_RECTANGLE_ARB）;
	glBindTexture（GL_TEXTURE_RECTANGLE_ARB?tex?）;
	glBegin（GL_QUADS）;
		glTexCoord2f（0?0）;
		glVertex2f（0?0）;
		glTexCoord2f（0?h）;
		glVertex2f（0?h）;
		glTexCoord2f（w?h）;
		glVertex2f（w?h）;
		glTexCoord2f（w?0）;
		glVertex2f（w?0）;
	glEnd（）;
	glDisable（GL_TEXTURE_RECTANGLE_ARB）;
}

void?reshape（int?width?int?height）?
{
	glViewport（?0?0?width?height?）;
	glMatrixMode（GL_PROJECTION）;
	glLoadIdentity（）;
	gluOrtho2D（0widthheight0）;
	glMatrixMode（GL_MODELVIEW）;
	glLoadIdentity（）;
}

///
//?Main?rendering?call?for?the?scene
//
void?renderScene（void）
{
	glClearColor（0.0f?0.0f?1.0f?1.0f?）;
	glClear（?GL_COLOR_BUFFER_BIT?）;
	computeTexture（）;
	computeVBO（）;

	displayTexture（imWidthimHeight）;
	renderVBO（?vbolen?）;
	glutSwapBuffers（）;
}

///
//?Keyboard?events?handler
//
void?KeyboardGL（unsigned?char?key?int?x?int?y）
{
????switch（key）?
????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-12-14?17:58??code\
?????文件?????????342??2014-12-14?17:58??code\CMakeLists.txt
?????目錄???????????0??2014-12-14?17:57??code\cmake\
?????文件????????1491??2014-12-14?17:56??code\cmake\FindDirectX.cmake
?????文件????????1768??2014-12-14?17:57??code\cmake\FindGLEW.cmake
?????文件????????3555??2014-12-14?17:57??code\cmake\FindOpenCL.cmake
?????目錄???????????0??2014-12-14?17:54??code\khronos\
?????目錄???????????0??2014-12-14?17:59??code\khronos\CL\
?????文件??????112900??2014-12-14?17:59??code\khronos\CL\cl.hpp
?????文件????????4859??2014-12-14?17:59??code\khronos\CL\cl_d3d10.h
?????目錄???????????0??2014-12-14?18:39??code\src\
?????文件?????????463??2014-12-14?18:39??code\src\CMakeLists.txt
?????目錄???????????0??2014-12-14?18:10??code\src\Chapter_10\
?????目錄???????????0??2014-12-14?18:11??code\src\Chapter_10\GLinterop\
?????文件?????????839??2014-12-14?18:10??code\src\Chapter_10\GLinterop\CMakeLists.txt
?????文件?????????733??2014-12-14?18:11??code\src\Chapter_10\GLinterop\GLinterop.cl
?????文件???????18429??2014-12-14?18:11??code\src\Chapter_10\GLinterop\GLinterop.cpp
?????目錄???????????0??2014-12-14?18:12??code\src\Chapter_11\
?????目錄???????????0??2014-12-14?18:13??code\src\Chapter_11\D3Dinterop\
?????文件?????????664??2014-12-14?18:12??code\src\Chapter_11\D3Dinterop\CMakeLists.txt
?????文件?????????668??2014-12-14?18:12??code\src\Chapter_11\D3Dinterop\D3Dinterop.cl
?????文件???????25008??2014-12-14?18:12??code\src\Chapter_11\D3Dinterop\D3Dinterop.cpp
?????文件????????1381??2014-12-14?18:13??code\src\Chapter_11\D3Dinterop\D3Dinterop.fx
?????目錄???????????0??2014-12-14?17:55??code\src\Chapter_12\
?????目錄???????????0??2014-12-14?18:14??code\src\Chapter_12\Sinewave\
?????文件?????????172??2014-12-14?18:13??code\src\Chapter_12\Sinewave\CMakeLists.txt
?????文件?????????991??2014-12-14?18:14??code\src\Chapter_12\Sinewave\sinewave.cl
?????文件???????13584??2014-12-14?18:14??code\src\Chapter_12\Sinewave\sinewave.cpp
?????目錄???????????0??2014-12-14?18:15??code\src\Chapter_12\VectorAdd\
?????文件??????????88??2014-12-14?18:14??code\src\Chapter_12\VectorAdd\CMakeLists.txt
?????文件????????4597??2014-12-14?18:15??code\src\Chapter_12\VectorAdd\vecadd.cpp
............此處省略67個文件信息