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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4768 | Serge | 1 | #include |
| 2 | #include |
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| 3 | #include |
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| 4 | #include |
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| 5 | |||
| 6 | #include "render.h" |
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| 7 | #include |
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| 8 | #include |
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| 9 | |||
| 10 | void create_mask(struct render *render); |
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| 11 | |||
| 12 | static int drm_ioctl(int fd, unsigned long request, void *arg) |
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| 13 | { |
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| 14 | ioctl_t io; |
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| 15 | |||
| 16 | io.handle = fd; |
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| 17 | io.io_code = request; |
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| 18 | io.input = arg; |
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| 19 | io.inp_size = 64; |
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| 20 | io.output = NULL; |
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| 21 | io.out_size = 0; |
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| 22 | |||
| 23 | return call_service(&io); |
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| 24 | } |
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| 25 | |||
| 26 | static EGLImageKHR px_create_image(EGLDisplay display, EGLContext context, |
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| 27 | int width, int height, int stride, int name) |
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| 28 | { |
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| 29 | EGLImageKHR image; |
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| 30 | EGLint attribs[] = { |
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| 31 | EGL_WIDTH, 0, |
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| 32 | EGL_HEIGHT, 0, |
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| 33 | EGL_DRM_BUFFER_STRIDE_MESA, 0, |
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| 34 | EGL_DRM_BUFFER_FORMAT_MESA, |
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| 35 | EGL_DRM_BUFFER_FORMAT_ARGB32_MESA, |
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| 36 | EGL_DRM_BUFFER_USE_MESA, |
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| 37 | EGL_DRM_BUFFER_USE_SHARE_MESA | |
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| 38 | EGL_DRM_BUFFER_USE_SCANOUT_MESA, |
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| 39 | EGL_NONE |
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| 40 | }; |
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| 41 | attribs[1] = width; |
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| 42 | attribs[3] = height; |
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| 43 | attribs[5] = stride/4; |
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| 44 | |||
| 45 | printf("%s w:%d :%d pitch:%d handle %d\n", __FUNCTION__, |
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| 46 | width, height, stride, name); |
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| 47 | |||
| 48 | image = eglCreateImageKHR(display, context, EGL_DRM_BUFFER_MESA, |
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| 49 | (void *) (uintptr_t)name, attribs); |
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| 50 | |||
| 51 | return image; |
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| 52 | } |
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| 53 | |||
| 54 | static GLint create_shader(GLenum type, const char *source) |
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| 55 | { |
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| 56 | GLint ok; |
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| 57 | GLint shader; |
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| 58 | |||
| 59 | shader = glCreateShader(type); |
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| 60 | if(shader == 0) |
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| 61 | goto err; |
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| 62 | |||
| 63 | glShaderSource(shader, 1, (const GLchar **) &source, NULL); |
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| 64 | glCompileShader(shader); |
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| 65 | glGetShaderiv(shader, GL_COMPILE_STATUS, &ok); |
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| 66 | if (!ok) { |
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| 67 | GLchar *info; |
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| 68 | GLint size; |
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| 69 | |||
| 70 | glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size); |
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| 71 | info = malloc(size); |
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| 72 | |||
| 73 | glGetShaderInfoLog(shader, size, NULL, info); |
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| 74 | printf("Failed to compile %s: %s\n", |
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| 75 | type == GL_FRAGMENT_SHADER ? "FS" : "VS",info); |
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| 76 | printf("Program source:\n%s", source); |
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| 77 | printf("GLSL compile failure\n"); |
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| 78 | free(info); |
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| 79 | glDeleteShader(shader); |
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| 80 | shader = 0; |
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| 81 | } |
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| 82 | err: |
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| 83 | return shader; |
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| 84 | } |
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| 85 | |||
| 86 | |||
| 87 | struct render* create_render(EGLDisplay dpy, EGLSurface surface, int dx, int dy) |
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| 88 | { |
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| 89 | const char *vs_src = |
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| 90 | "attribute vec4 v_position;\n" |
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| 91 | "attribute vec4 v_texcoord0;\n" |
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| 92 | "varying vec2 source_texture;\n" |
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| 93 | "void main()\n" |
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| 94 | "{\n" |
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| 95 | " gl_Position = v_position;\n" |
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| 96 | " source_texture = v_texcoord0.xy;\n" |
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| 97 | "}\n"; |
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| 98 | |||
| 99 | const char *fs_i965 = |
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| 100 | "varying vec2 source_texture;\n" |
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| 101 | "uniform sampler2D sampler_src;\n" |
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| 102 | "uniform sampler2D sampler_mask;\n" |
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| 103 | "void main()\n" |
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| 104 | "{\n" |
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| 105 | " float ca = texture2D(sampler_mask, source_texture).r;\n" |
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| 106 | " gl_FragColor = vec4(texture2D(sampler_src, source_texture).rgb, ca);\n" |
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| 107 | "}\n"; |
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| 108 | |||
| 109 | const char *fs_i915 = |
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| 110 | "varying vec2 source_texture;\n" |
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| 111 | "uniform sampler2D sampler_src;\n" |
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| 112 | "uniform sampler2D sampler_mask;\n" |
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| 113 | "void main()\n" |
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| 114 | "{\n" |
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| 115 | " float ca = texture2D(sampler_mask, source_texture).a;\n" |
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| 116 | " gl_FragColor = vec4(texture2D(sampler_src, source_texture).rgb, ca);\n" |
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| 117 | "}\n"; |
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| 118 | |||
| 119 | EGLint config_attribs[14]; |
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| 120 | EGLConfig config; |
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| 121 | EGLint num_configs; |
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| 122 | |||
| 123 | EGLContext context; |
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| 124 | |||
| 125 | struct drm_i915_fb_info fb; |
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| 126 | GLint vs_shader, fs_shader; |
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| 127 | GLenum status; |
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| 128 | GLint ret; |
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| 129 | int fd; |
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| 130 | struct render *render; |
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| 131 | char *drv_name; |
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| 132 | const char *fs_src; |
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| 133 | |||
| 134 | |||
| 135 | fd = get_service("DISPLAY"); |
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| 136 | |||
| 137 | memset(&fb, 0, sizeof(fb)); |
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| 138 | ret = drm_ioctl(fd, SRV_FBINFO, &fb); |
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| 139 | if( ret != 0 ) |
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| 140 | { printf("failed to get framebuffer info\n"); |
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| 141 | goto err; |
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| 142 | }; |
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| 143 | |||
| 144 | render = (struct render*)malloc(sizeof(struct render)); |
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| 145 | if(render == NULL) |
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| 146 | goto err; |
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| 147 | |||
| 148 | render->fd = fd; |
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| 149 | render->dpy = dpy; |
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| 150 | render->dx = dx; |
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| 151 | render->dy = dy; |
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| 152 | |||
| 153 | if(!eglQuerySurface(dpy, surface, EGL_WIDTH, &render->width)) |
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| 154 | goto err1; |
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| 155 | |||
| 156 | if(!eglQuerySurface(dpy, surface, EGL_HEIGHT, &render->height)) |
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| 157 | goto err1; |
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| 158 | |||
| 159 | render->scr_width = fb.width; |
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| 160 | render->scr_height = fb.height; |
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| 161 | |||
| 162 | render->front = eglGetBufferImage(dpy, surface, EGL_DRM_BUFFER_FRONT); |
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| 163 | if(render->front == EGL_NO_IMAGE_KHR) |
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| 164 | goto err1; |
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| 165 | |||
| 166 | render->back = eglGetBufferImage(dpy, surface, EGL_DRM_BUFFER_BACK); |
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| 167 | if( render->back == EGL_NO_IMAGE_KHR) |
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| 168 | goto err2; |
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| 169 | |||
| 170 | |||
| 171 | context = eglGetCurrentContext(); |
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| 172 | |||
| 173 | config_attribs[0] = EGL_RED_SIZE; |
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| 174 | config_attribs[1] = 1; |
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| 175 | config_attribs[2] = EGL_GREEN_SIZE; |
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| 176 | config_attribs[3] = 1; |
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| 177 | config_attribs[4] = EGL_BLUE_SIZE; |
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| 178 | config_attribs[5] = 1; |
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| 179 | config_attribs[6] = EGL_DEPTH_SIZE; |
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| 180 | config_attribs[7] = 1; |
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| 181 | |||
| 182 | config_attribs[8] = EGL_SURFACE_TYPE; |
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| 183 | config_attribs[9] = EGL_WINDOW_BIT; |
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| 184 | |||
| 185 | config_attribs[10] = EGL_RENDERABLE_TYPE; |
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| 186 | config_attribs[11] = EGL_OPENGL_BIT; |
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| 187 | config_attribs[12] = EGL_NONE; |
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| 188 | |||
| 189 | if (!eglChooseConfig(dpy,config_attribs, &config, 1, &num_configs) || !num_configs) |
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| 190 | { |
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| 191 | printf("failed to choose a config"); |
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| 192 | goto err3; |
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| 193 | } |
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| 194 | |||
| 195 | render->context = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL); |
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| 196 | if (!context) |
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| 197 | { |
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| 198 | printf("failed to create context"); |
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| 199 | goto err3; |
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| 200 | }; |
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| 201 | |||
| 202 | if (!eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, render->context)) |
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| 203 | { |
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| 204 | printf("failed to make window current"); |
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| 205 | goto err4; |
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| 206 | }; |
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| 207 | |||
| 208 | |||
| 209 | glGenTextures(2, render->tx_buffers); |
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| 210 | if(glGetError() != GL_NO_ERROR) |
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| 211 | goto err5; |
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| 212 | |||
| 213 | glBindTexture(GL_TEXTURE_2D, render->tx_buffers[EGL_DRM_BUFFER_FRONT]); |
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| 214 | if(glGetError() != GL_NO_ERROR) |
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| 215 | goto err6; |
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| 216 | |||
| 217 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); |
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| 218 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); |
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| 219 | glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,render->front); |
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| 220 | if(glGetError() != GL_NO_ERROR) |
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| 221 | goto err6; |
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| 222 | |||
| 223 | glBindTexture(GL_TEXTURE_2D, render->tx_buffers[EGL_DRM_BUFFER_BACK]); |
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| 224 | if(glGetError() != GL_NO_ERROR) |
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| 225 | goto err6; |
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| 226 | |||
| 227 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); |
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| 228 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); |
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| 229 | glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,render->back); |
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| 230 | if(glGetError() != GL_NO_ERROR) |
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| 231 | goto err6; |
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| 232 | |||
| 233 | glBindTexture(GL_TEXTURE_2D, 0); |
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| 234 | |||
| 235 | render->back_buffer = EGL_DRM_BUFFER_FRONT; |
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| 236 | |||
| 237 | render->screen = px_create_image(dpy,context,fb.width,fb.height, |
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| 238 | fb.pitch,fb.name); |
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| 239 | if(render->screen == EGL_NO_IMAGE_KHR) |
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| 240 | goto err6; |
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| 241 | |||
| 242 | glGenTextures(1, &render->tx_screen); |
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| 243 | if(glGetError() != GL_NO_ERROR) |
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| 244 | goto err6; |
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| 245 | |||
| 246 | glBindTexture(GL_TEXTURE_2D, render->tx_screen); |
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| 247 | if(glGetError() != GL_NO_ERROR) |
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| 248 | goto err7; |
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| 249 | |||
| 250 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); |
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| 251 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); |
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| 252 | glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,render->screen); |
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| 253 | if(glGetError() != GL_NO_ERROR) |
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| 254 | goto err7; |
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| 255 | |||
| 256 | glBindTexture(GL_TEXTURE_2D, 0); |
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| 257 | |||
| 258 | create_mask(render); |
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| 259 | |||
| 260 | glGenFramebuffers(1, &render->framebuffer); |
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| 261 | if(glGetError() != GL_NO_ERROR) |
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| 262 | goto err8; |
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| 263 | |||
| 264 | glBindFramebuffer(GL_FRAMEBUFFER, render->framebuffer); |
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| 265 | if(glGetError() != GL_NO_ERROR) |
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| 266 | goto err9; |
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| 267 | |||
| 268 | glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0, |
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| 269 | GL_TEXTURE_2D, render->tx_screen,0); |
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| 270 | |||
| 271 | status = glCheckFramebufferStatus(GL_FRAMEBUFFER); |
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| 272 | if (status != GL_FRAMEBUFFER_COMPLETE) |
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| 273 | { |
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| 274 | const char *str; |
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| 275 | switch (status) |
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| 276 | { |
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| 277 | case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: |
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| 278 | str = "incomplete attachment"; |
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| 279 | break; |
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| 280 | case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: |
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| 281 | str = "incomplete/missing attachment"; |
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| 282 | break; |
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| 283 | case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER: |
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| 284 | str = "incomplete draw buffer"; |
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| 285 | break; |
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| 286 | case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER: |
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| 287 | str = "incomplete read buffer"; |
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| 288 | break; |
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| 289 | case GL_FRAMEBUFFER_UNSUPPORTED: |
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| 290 | str = "unsupported"; |
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| 291 | break; |
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| 292 | case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: |
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| 293 | str = "incomplete multiple"; |
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| 294 | break; |
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| 295 | default: |
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| 296 | str = "unknown error"; |
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| 297 | break; |
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| 298 | } |
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| 299 | printf("destination is framebuffer incomplete: %s [%#x]\n", str, status); |
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| 300 | goto err9; |
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| 301 | } |
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| 302 | |||
| 303 | glViewport(0, 0, render->scr_width, render->scr_height); |
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| 304 | glMatrixMode(GL_PROJECTION); |
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| 305 | glLoadIdentity(); |
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| 306 | glMatrixMode(GL_MODELVIEW); |
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| 307 | glLoadIdentity(); |
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| 308 | |||
| 309 | drv_name = (char*)glGetString(0x1F04); |
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| 310 | printf("Render: %s\n", drv_name); |
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| 311 | |||
| 312 | if(strstr(drv_name, "i965")) |
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| 313 | fs_src = fs_i965; |
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| 314 | else if(strstr(drv_name, "i915")) |
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| 315 | fs_src = fs_i915; |
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| 316 | else fs_src = NULL; |
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| 317 | |||
| 318 | render->blit_prog = glCreateProgram(); |
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| 319 | if(render->blit_prog == 0) |
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| 320 | goto err9; |
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| 321 | |||
| 322 | vs_shader = create_shader(GL_VERTEX_SHADER,vs_src); |
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| 323 | if(vs_shader == 0) |
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| 324 | goto err10; |
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| 325 | |||
| 326 | fs_shader = create_shader(GL_FRAGMENT_SHADER, fs_src); |
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| 327 | if(fs_shader == 0) |
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| 328 | goto err11; |
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| 329 | |||
| 330 | glAttachShader(render->blit_prog, vs_shader); |
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| 331 | glAttachShader(render->blit_prog, fs_shader); |
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| 332 | glBindAttribLocation(render->blit_prog, 0, "v_position"); |
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| 333 | glBindAttribLocation(render->blit_prog, 1, "v_texcoord0"); |
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| 334 | |||
| 335 | glLinkProgram(render->blit_prog); |
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| 336 | glGetProgramiv(render->blit_prog, GL_LINK_STATUS, &ret); |
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| 337 | if (!ret) |
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| 338 | { |
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| 339 | GLchar *info; |
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| 340 | GLint size; |
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| 341 | |||
| 342 | glGetProgramiv(render->blit_prog, GL_INFO_LOG_LENGTH, &size); |
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| 343 | info = malloc(size); |
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| 344 | |||
| 345 | glGetProgramInfoLog(render->blit_prog, size, NULL, info); |
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| 346 | printf("Failed to link: %s\n", info); |
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| 347 | printf("GLSL link failure\n"); |
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| 348 | free(info); |
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| 349 | goto err12; |
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| 350 | } |
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| 351 | |||
| 352 | render->sampler = glGetUniformLocation(render->blit_prog,"sampler_src"); |
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| 353 | render->sm_mask = glGetUniformLocation(render->blit_prog,"sampler_mask"); |
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| 354 | |||
| 355 | glUseProgram(render->blit_prog); |
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| 356 | glUniform1i(render->sampler, 0); |
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| 357 | glUniform1i(render->sm_mask, 1); |
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| 358 | |||
| 359 | glVertexAttribPointer(0, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),render->vertices); |
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| 360 | glEnableVertexAttribArray(0); |
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| 361 | |||
| 362 | glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float),render->tc_src); |
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| 363 | glEnableVertexAttribArray(1); |
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| 364 | |||
| 365 | render->tc_src[0] = 0.0; |
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| 366 | render->tc_src[1] = 0.0; |
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| 367 | render->tc_src[1*2] = 1.0; |
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| 368 | render->tc_src[1*2+1]= 0.0; |
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| 369 | render->tc_src[2*2] = 1.0; |
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| 370 | render->tc_src[2*2+1]= 1.0; |
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| 371 | render->tc_src[3*2] = 0.0; |
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| 372 | render->tc_src[3*2+1]= 1.0; |
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| 373 | |||
| 374 | glEnable(GL_BLEND); |
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| 375 | glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); |
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| 376 | |||
| 377 | glActiveTexture(GL_TEXTURE1); |
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| 378 | glBindTexture(GL_TEXTURE_2D, render->tx_mask); |
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| 379 | glTexParameteri(GL_TEXTURE_2D, |
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| 380 | GL_TEXTURE_MIN_FILTER, |
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| 381 | GL_NEAREST); |
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| 382 | glTexParameteri(GL_TEXTURE_2D, |
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| 383 | GL_TEXTURE_MAG_FILTER, |
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| 384 | GL_NEAREST); |
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| 385 | |||
| 386 | eglMakeCurrent(dpy, surface, surface, context); |
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| 387 | |||
| 388 | return render; |
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| 389 | |||
| 390 | err12: |
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| 391 | glDeleteShader(fs_shader); |
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| 392 | err11: |
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| 393 | glDeleteShader(vs_shader); |
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| 394 | err10: |
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| 395 | glDeleteProgram(render->blit_prog); |
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| 396 | err9: |
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| 397 | glDeleteFramebuffers(1, &render->framebuffer); |
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| 398 | err8: |
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| 399 | eglDestroyImageKHR(dpy, render->screen); |
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| 400 | err7: |
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| 401 | glDeleteTextures(1, &render->tx_screen); |
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| 402 | err6: |
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| 403 | glDeleteTextures(2, render->tx_buffers); |
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| 404 | err5: |
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| 405 | eglMakeCurrent(dpy, surface, surface, context); |
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| 406 | err4: |
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| 407 | eglDestroyContext(dpy, render->context); |
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| 408 | err3: |
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| 409 | eglDestroyImageKHR(dpy, render->back); |
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| 410 | err2: |
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| 411 | eglDestroyImageKHR(dpy, render->front); |
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| 412 | err1: |
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| 413 | free(render); |
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| 414 | err: |
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| 415 | return NULL; |
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| 416 | }; |
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| 417 | |||
| 418 | |||
| 419 | void create_mask(struct render *render) |
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| 420 | { |
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| 421 | struct drm_i915_gem_create create; |
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| 422 | struct drm_gem_close close; |
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| 423 | struct drm_gem_flink flink; |
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| 424 | |||
| 425 | struct drm_i915_gem_mmap mmap_arg; |
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| 426 | EGLint handle, stride; |
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| 427 | int winw, winh, pitch; |
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| 428 | void *data; |
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| 429 | int ret; |
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| 430 | GLuint mask_handle, mask_name; |
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| 431 | EGLImageKHR mask_image; |
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| 432 | |||
| 433 | glGenTextures(1, &render->tx_mask); |
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| 434 | if(glGetError() != GL_NO_ERROR) |
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| 435 | return; |
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| 436 | |||
| 437 | glBindTexture(GL_TEXTURE_2D, render->tx_mask); |
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| 438 | if(glGetError() != GL_NO_ERROR) |
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| 439 | goto err1; |
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| 440 | |||
| 441 | pitch = (render->width+15) & ~15; |
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| 442 | |||
| 443 | create.size = pitch *render->height; |
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| 444 | create.handle = 0; |
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| 445 | ret = drm_ioctl(render->fd, DRM_IOCTL_I915_GEM_CREATE, &create); |
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| 446 | if(ret != 0) |
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| 447 | goto err1; |
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| 448 | |||
| 449 | mask_handle = create.handle; |
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| 450 | flink.handle = create.handle; |
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| 451 | ret = drm_ioctl(render->fd, DRM_IOCTL_GEM_FLINK, &flink); |
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| 452 | if (ret != 0) |
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| 453 | goto err2; |
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| 454 | |||
| 455 | mask_name = flink.name; |
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| 456 | |||
| 457 | printf("create mask bo handle %d name %d\n", create.handle, flink.name); |
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| 458 | |||
| 459 | EGLint attribs[] = { |
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| 460 | EGL_WIDTH, 0, |
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| 461 | EGL_HEIGHT, 0, |
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| 462 | EGL_DRM_BUFFER_STRIDE_MESA, 0, |
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| 463 | EGL_DRM_BUFFER_FORMAT_MESA, |
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| 464 | EGL_DRM_BUFFER_FORMAT_R8_MESA, |
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| 465 | EGL_DRM_BUFFER_USE_MESA, |
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| 466 | EGL_DRM_BUFFER_USE_SHARE_MESA, |
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| 467 | EGL_NONE |
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| 468 | }; |
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| 469 | attribs[1] = pitch; |
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| 470 | attribs[3] = render->height; |
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| 471 | attribs[5] = pitch; |
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| 472 | |||
| 473 | mask_image = eglCreateImageKHR(render->dpy, render->context, EGL_DRM_BUFFER_MESA, |
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| 474 | (void *) (uintptr_t)mask_name, attribs); |
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| 475 | printf("create mask image %p\n", mask_image); |
||
| 476 | if(mask_image == NULL) |
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| 477 | goto err2; |
||
| 478 | |||
| 479 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); |
||
| 480 | glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); |
||
| 481 | |||
| 482 | glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, mask_image); |
||
| 483 | |||
| 484 | if(glGetError() != GL_NO_ERROR) |
||
| 485 | goto err3; |
||
| 486 | |||
| 487 | glBindTexture(GL_TEXTURE_2D, 0); |
||
| 488 | |||
| 489 | mmap_arg.handle = mask_handle; |
||
| 490 | mmap_arg.offset = 0; |
||
| 491 | mmap_arg.size = pitch * render->height; |
||
| 492 | if (drm_ioctl(render->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg)) |
||
| 493 | { |
||
| 494 | printf("%s: failed to mmap image %p handle=%d, %d bytes, into CPU domain\n", |
||
| 495 | __FUNCTION__, mask_image, mask_handle, pitch * render->height); |
||
| 496 | goto err3; |
||
| 497 | } |
||
| 498 | |||
| 499 | render->mask_handle = mask_handle; |
||
| 500 | render->mask_name = mask_name; |
||
| 501 | render->mask_buffer = (void *)(uintptr_t)mmap_arg.addr_ptr; |
||
| 502 | render->mask_image = mask_image; |
||
| 503 | |||
| 504 | return; |
||
| 505 | |||
| 506 | err3: |
||
| 507 | eglDestroyImageKHR(render->dpy, mask_image); |
||
| 508 | err2: |
||
| 509 | close.handle = mask_handle; |
||
| 510 | (void)drm_ioctl(render->fd, DRM_IOCTL_GEM_CLOSE, &close); |
||
| 511 | glBindTexture(GL_TEXTURE_2D, 0); |
||
| 512 | err1: |
||
| 513 | glDeleteTextures(1, &render->tx_mask); |
||
| 514 | }; |