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#include "gbm.h"
 12 
#include "gbm.h"
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#include
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#include
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#include
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#include
15 
#include
15 
#include
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 16 
 
17 
static EGLImageKHR px_create_image(EGLDisplay display, EGLContext context,
 17 
EGLImageKHR px_create_image(EGLDisplay display, EGLContext context,
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18 
			 int width, int height, int stride, int name, int depth);
 18 
			 int width, int height, int stride, int name);
19 
 
 19 
 
20 
int main()
 20 
int main()
21 
{
 21 
{
Line 31... Line 31...
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    EGLConfig config;
 31 
    EGLConfig config;
Line 32... Line 32...
32 
 
 32 
 
33 
    EGLint config_attribs[32];
 33 
    EGLint config_attribs[32];
34 
    EGLint num_configs, i;
 34 
    EGLint num_configs, i;
35 
    GLint list;
 35 
    GLint list;
- 
 
 36 
    GLuint texture, buffer;
Line 36... Line 37...
36 
    GLuint *texture;
 37 
 
Line 37... Line 38...
37 
 
 38 
 
38 
    int fd;
 39 
    int fd;
Line 79... Line 80...
79 
    eglBindAPI(EGL_OPENGL_API);
 80 
    eglBindAPI(EGL_OPENGL_API);
80 
    context = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL);
 81 
    context = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL);
81 
    if (!context)
 82 
    if (!context)
82 
        printf("failed to create context");
 83 
        printf("failed to create context");
Line 83... Line 84...
83 
 
 84 
 
Line 84... Line 85...
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    gs = gbm_surface_create(gbm, 400, 300, GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING);
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    gs = gbm_surface_create(gbm, 1024, 768, GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING);
85 
 
 86 
 
86 
 
 87 
 
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 100 
 
100 
 
 101 
 
101 
    if(fd)
 102 
    if(fd)
- 
 
 103 
    {
102 
    {
 104 
        int ret;
103 
        int ret;
 - 
 
Line 104... Line 105...
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        struct drm_i915_fb_info fb;
 105 
        GLenum status;
105 
       	struct drm_gem_open open_arg;
 106 
        struct drm_i915_fb_info fb;
106 
 
 107 
 
107 
        memset(&fb, 0, sizeof(fb));
 108 
        memset(&fb, 0, sizeof(fb));
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108 
        ret = drmIoctl(fd, SRV_FBINFO, &fb);
 - 
 
109 
        if( ret != 0 )
 - 
 
110 
            printf("failed to get framebuffer info\n");
 109 
        ret = drmIoctl(fd, SRV_FBINFO, &fb);
111 
 
 - 
 
112 
        memset(&open_arg,0,sizeof(open_arg));
 110 
        if( ret != 0 )
113 
        open_arg.name = fb.name;
 - 
 
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114 
        ret = drmIoctl(fd,DRM_IOCTL_GEM_OPEN,&open_arg);
 111 
            printf("failed to get framebuffer info\n");
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115 
        if (ret != 0) {
 112 
 
116 
            printf("Couldn't reference framebuffer handle 0x%08x\n", fb.name);
 - 
 
Line 117... Line 113...
117 
		}
 113 
		fb_image = px_create_image(dpy,context,fb.width,fb.height,
118 
 
 114 
                                   fb.pitch,fb.name);
119 
  asm volatile ("int3");
 115 
 
120 
 
 116 
        printf("fb_image %p\n", fb_image);
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121 
		fb_image = px_create_image(dpy,context,fb.width,fb.height,
 117 
 
122 
                                   fb.pitch,open_arg.handle,32);
 118 
  asm volatile ("int3");
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- 
 
 119 
 
- 
 
 120 
        glGenTextures(1, &texture);
- 
 
 121 
        glBindTexture(GL_TEXTURE_2D, texture);
- 
 
 122 
        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
- 
 
 123 
        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
- 
 
 124 
 
- 
 
 125 
        glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,fb_image);
- 
 
 126 
        glBindTexture(GL_TEXTURE_2D, 0);
- 
 
 127 
 
- 
 
 128 
  	    glGenFramebuffers(1, &buffer);
- 
 
 129 
        glBindFramebuffer(GL_FRAMEBUFFER, buffer);
- 
 
 130 
        glFramebufferTexture2D(GL_FRAMEBUFFER,
- 
 
 131 
					 GL_COLOR_ATTACHMENT0,
- 
 
 132 
					 GL_TEXTURE_2D, texture,0);
- 
 
 133 
        status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
- 
 
 134 
        if (status != GL_FRAMEBUFFER_COMPLETE)
- 
 
 135 
        {
- 
 
 136 
            const char *str;
- 
 
 137 
            switch (status)
- 
 
 138 
            {
- 
 
 139 
                case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
- 
 
 140 
                    str = "incomplete attachment";
- 
 
 141 
                    break;
- 
 
 142 
                case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
- 
 
 143 
                    str = "incomplete/missing attachment";
- 
 
 144 
                    break;
- 
 
 145 
                case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
- 
 
 146 
                    str = "incomplete draw buffer";
- 
 
 147 
                    break;
- 
 
 148 
                case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER:
- 
 
 149 
                    str = "incomplete read buffer";
- 
 
 150 
                    break;
- 
 
 151 
                case GL_FRAMEBUFFER_UNSUPPORTED:
- 
 
 152 
                    str = "unsupported";
- 
 
 153 
                    break;
- 
 
 154 
                case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:
- 
 
 155 
                    str = "incomplete multiple";
- 
 
 156 
                    break;
- 
 
 157 
                default:
- 
 
 158 
                    str = "unknown error";
- 
 
 159 
                    break;
- 
 
 160 
            }
- 
 
 161 
 
- 
 
 162 
            printf("destination is framebuffer incomplete: %s [%#x]\n",
- 
 
 163 
			   str, status);
123 
 
 164 
        }
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124 
        glGenTextures(1, texture);
 165 
 
Line 125... Line 166...
125 
        glBindTexture(GL_TEXTURE_2D, *texture);
 166 
        glViewport(0, 0,fb.width, fb.height);
Line 165... Line 206...
165 
 
 206 
 
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166 
  asm volatile ("int3");
 207 
  asm volatile ("int3");
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167 
 
 - 
 
168 
    glDrawBuffer(GL_BACK);
 - 
 
169 
 
 - 
 
170 
    glViewport(0, 0, (GLint)400, (GLint)300);
 - 
 
171 
 
 - 
 
172 
    glMatrixMode(GL_PROJECTION);
 - 
 
173 
    glLoadIdentity();
 - 
 
174 
    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 100.0);
 208 
 
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175 
    glMatrixMode(GL_MODELVIEW);
 209 
    glDrawBuffer(GL_BACK);
Line 176... Line 210...
176 
 
 210 
 
Line 185... Line 219...
185 
    */
 219 
    */
186 
    glCallList(list);
 220 
    glCallList(list);
187 
    glFlush();
 221 
    glFlush();
Line 188... Line 222...
188 
 
 222 
 
Line 189... Line 223...
189 
 
 223 
 
190 
    eglSwapBuffers(dpy, surface);
 224 
//    eglSwapBuffers(dpy, surface);
191 
 
 225 
 
192 
    glFinish();
 226 
    glFinish();
193 
    eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
 227 
    eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
194 
    eglDestroySurface(dpy, surface);
 228 
//    eglDestroySurface(dpy, surface);
Line 195... Line 229...
195 
    gbm_surface_destroy(gs);
 229 
  //  gbm_surface_destroy(gs);
196 
    eglDestroyContext(dpy, context);
 230 
    eglDestroyContext(dpy, context);
Line 216... Line 250...
216 
    io.out_size = 0;
 250 
    io.out_size = 0;
Line 217... Line 251...
217 
 
 251 
 
218 
    return call_service(&io);
 252 
    return call_service(&io);
Line 219... Line 253...
219 
}
 253 
}
220 
 
 254 
 
221 
static EGLImageKHR px_create_image(EGLDisplay display, EGLContext context,
 255 
EGLImageKHR px_create_image(EGLDisplay display, EGLContext context,
222 
			 int width, int height, int stride, int name, int depth)
 256 
			 int width, int height, int stride, int name)
223 
{
 257 
{
224 
	EGLImageKHR image;
 258 
	EGLImageKHR image;
225 
	EGLint attribs[] = {
 259 
	EGLint attribs[] = {
Line 234... Line 268...
234 
		EGL_NONE
 268 
		EGL_NONE
235 
	};
 269 
	};
236 
	attribs[1] = width;
 270 
	attribs[1] = width;
237 
	attribs[3] = height;
 271 
	attribs[3] = height;
238 
	attribs[5] = stride;
 272 
	attribs[5] = stride;
- 
 
 273 
 
239 
	if (depth != 32 && depth != 24)
 274 
    printf("%s w:%d :%d pitch:%d handle %d\n", __FUNCTION__,
240 
		return EGL_NO_IMAGE_KHR;
 275 
           width, height, stride, name);
- 
 
 276 
 
241 
	image = eglCreateImageKHR(display, context, EGL_DRM_BUFFER_MESA,
 277 
	image = eglCreateImageKHR(display, context, EGL_DRM_BUFFER_MESA,
242 
						 (void *) (uintptr_t)name, attribs);
 278 
						 (void *) (uintptr_t)name, attribs);
243 
	if (image == EGL_NO_IMAGE_KHR)
 - 
 
244 
		return EGL_NO_IMAGE_KHR;
 - 
 
Line 245... Line 279...
245 
 
 279 
 
246 
	return image;
 280 
	return image;