mirror of
https://github.com/NVIDIA/cuda-samples.git
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591 lines
21 KiB
C
591 lines
21 KiB
C
/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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//Display *display;
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int screen;
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//Window win = 0;
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#include <assert.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <GLES3/gl31.h>
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//#include <GLES3/gl3ext.h> // not (yet) needed
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define MAX_DEVICES 16
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static PFNEGLQUERYDEVICESEXTPROC eglQueryDevicesEXT = NULL;
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static PFNEGLQUERYDEVICESTRINGEXTPROC eglQueryDeviceStringEXT = NULL;
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static PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT = NULL;
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static PFNEGLGETOUTPUTLAYERSEXTPROC eglGetOutputLayersEXT = NULL;
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static PFNEGLCREATESTREAMKHRPROC eglCreateStreamKHR = NULL;
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static PFNEGLDESTROYSTREAMKHRPROC eglDestroyStreamKHR = NULL;
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static PFNEGLSTREAMCONSUMEROUTPUTEXTPROC eglStreamConsumerOutputEXT = NULL;
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static PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC
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eglCreateStreamProducerSurfaceKHR = NULL;
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#define GET_GLERROR(ret) \
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{ \
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GLenum err = glGetError(); \
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if (err != GL_NO_ERROR) { \
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fprintf(stderr, "[%s line %d] OpenGL Error: 0x%x\n", __FILE__, __LINE__, \
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err); \
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fflush(stderr); \
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\
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switch (err) { \
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case GL_INVALID_ENUM: \
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printf("GL_INVALID_ENUM\n"); \
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break; \
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case GL_INVALID_VALUE: \
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printf("GL_INVALID_VALUE\n"); \
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break; \
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case GL_INVALID_OPERATION: \
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printf("GL_INVALID_OPERATION\n"); \
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break; \
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case GL_OUT_OF_MEMORY: \
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printf("GL_OUT_OF_MEMORY\n"); \
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break; \
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case GL_INVALID_FRAMEBUFFER_OPERATION: \
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printf("GL_INVALID_FRAMEBUFFER_OPERATION\n"); \
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break; \
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default: \
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printf("UKNOWN OPENGL ERROR CODE 0x%x\n", err); \
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}; \
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} \
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}
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EGLDisplay eglDisplay = EGL_NO_DISPLAY;
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EGLSurface eglSurface = EGL_NO_SURFACE;
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EGLContext eglContext = EGL_NO_CONTEXT;
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#if 0 // needed for optional API call retrieval (= if libGLESv2.so wouldn't be
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// linked explicitly) - tedious! consider GLEW.
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typedef GLenum (* glGetErrorTYPE) (void);
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glGetErrorTYPE my_glGetError;
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typedef GL_APICALL const GLubyte (*GL_APIENTRY glGetStringTYPE) (GLenum name);
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glGetStringTYPE my_glGetString;
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typedef GL_APICALL void (*GL_APIENTRY glClearTYPE) (GLbitfield mask);
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glClearTYPE my_glClear;
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typedef GL_APICALL void (*GL_APIENTRY glGetProgramivTYPE) (GLuint program, GLenum pname, GLint *params);
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glGetProgramivTYPE my_glGetProgramiv;
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#endif
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// Extension checking utility
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static bool CheckExtension(const char* exts, const char* ext) {
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int extLen = (int)strlen(ext);
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const char* end = exts + strlen(exts);
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while (exts < end) {
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while (*exts == ' ') {
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exts++;
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}
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int n = strcspn(exts, " ");
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if ((extLen == n) && (strncmp(ext, exts, n) == 0)) {
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return true;
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}
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exts += n;
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}
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return false;
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}
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int graphics_setup_window(int xpos, int ypos, int width, int height,
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const char* windowname) {
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int device = 0, crtc = -1, plane = -1;
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int xsurfsize = 0, ysurfsize = 0;
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int xoffset = 0, yoffset = 0;
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int xmodesize = 0, ymodesize = 0;
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// int color = 0, duration = 10;
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int fifo = 0;
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int bounce = 0;
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EGLDeviceEXT egl_devs[MAX_DEVICES], egl_dev;
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EGLOutputLayerEXT egl_lyr;
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EGLConfig egl_cfg;
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EGLStreamKHR egl_str;
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EGLint major, minor;
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const char* drm_name;
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int drm_fd;
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uint32_t drm_conn_id, drm_enc_id, drm_crtc_id, drm_plane_id;
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uint32_t crtc_mask;
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drmModeRes* drm_res_info = NULL;
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drmModePlaneRes* drm_plane_res_info = NULL;
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drmModeCrtc* drm_crtc_info = NULL;
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drmModeConnector* drm_conn_info = NULL;
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drmModeEncoder* drm_enc_info = NULL;
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drmModePlane* drm_plane_info = NULL;
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int drm_mode_index = 0;
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bool set_mode = false;
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int i, n;
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// Load extension function pointers.
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eglQueryDevicesEXT =
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(PFNEGLQUERYDEVICESEXTPROC)eglGetProcAddress("eglQueryDevicesEXT");
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eglQueryDeviceStringEXT = (PFNEGLQUERYDEVICESTRINGEXTPROC)eglGetProcAddress(
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"eglQueryDeviceStringEXT");
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eglGetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress(
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"eglGetPlatformDisplayEXT");
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eglGetOutputLayersEXT =
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(PFNEGLGETOUTPUTLAYERSEXTPROC)eglGetProcAddress("eglGetOutputLayersEXT");
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eglCreateStreamKHR =
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(PFNEGLCREATESTREAMKHRPROC)eglGetProcAddress("eglCreateStreamKHR");
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eglDestroyStreamKHR =
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(PFNEGLDESTROYSTREAMKHRPROC)eglGetProcAddress("eglDestroyStreamKHR");
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eglStreamConsumerOutputEXT =
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(PFNEGLSTREAMCONSUMEROUTPUTEXTPROC)eglGetProcAddress(
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"eglStreamConsumerOutputEXT");
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eglCreateStreamProducerSurfaceKHR =
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(PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC)eglGetProcAddress(
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"eglCreateStreamProducerSurfaceKHR");
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if (!eglQueryDevicesEXT || !eglQueryDeviceStringEXT ||
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!eglGetPlatformDisplayEXT || !eglGetOutputLayersEXT ||
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!eglCreateStreamKHR || !eglDestroyStreamKHR ||
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!eglStreamConsumerOutputEXT || !eglCreateStreamProducerSurfaceKHR) {
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printf("Missing required function(s)\n");
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exit(2);
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}
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printf("Loaded extension functions\n");
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// Query device
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if (!eglQueryDevicesEXT(device + 1, egl_devs, &n) || (n <= device)) {
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printf("Requested device index (%d) not found\n", device);
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exit(2);
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}
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egl_dev = egl_devs[device];
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// Obtain and open DRM device file
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drm_name = eglQueryDeviceStringEXT(egl_dev, EGL_DRM_DEVICE_FILE_EXT);
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if (!drm_name) {
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printf("Couldn't obtain device file from 0x%p\n",
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(void*)(uintptr_t)egl_dev);
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exit(3);
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}
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if (!strcmp(drm_name, "drm-nvdc")) {
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drm_fd = drmOpen(drm_name, NULL);
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} else {
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drm_fd = open(drm_name, O_RDWR, 0);
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}
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if (drm_fd == -1) {
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printf("Couldn't open device file '%s'\n", drm_name);
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exit(3);
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}
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printf("Device file: %s\n", drm_name);
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// Obtain DRM-KMS resources
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drm_res_info = drmModeGetResources(drm_fd);
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if (!drm_res_info) {
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printf("Couldn't obtain DRM-KMS resources\n");
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exit(3);
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}
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printf("Obtained device information\n");
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// If a specific crtc was requested, make sure it exists
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if (crtc >= drm_res_info->count_crtcs) {
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printf("Requested crtc index (%d) exceeds count (%d)\n", crtc,
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drm_res_info->count_crtcs);
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exit(4);
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}
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crtc_mask =
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(crtc >= 0) ? (1 << crtc) : ((1 << drm_res_info->count_crtcs) - 1);
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// If drawing to a plane is requested, obtain the plane info
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if (plane >= 0) {
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drm_plane_res_info = drmModeGetPlaneResources(drm_fd);
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if (!drm_plane_res_info) {
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printf("Unable to obtain plane resource list\n");
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exit(5);
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}
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if (plane >= drm_plane_res_info->count_planes) {
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printf("Requested plane index (%d) exceeds count (%d)\n", plane,
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drm_plane_res_info->count_planes);
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exit(5);
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}
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drm_plane_id = drm_plane_res_info->planes[plane];
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drm_plane_info = drmModeGetPlane(drm_fd, drm_plane_id);
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if (!drm_plane_info) {
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printf("Unable to obtain info for plane (%d)\n", drm_plane_id);
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exit(5);
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}
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crtc_mask &= drm_plane_info->possible_crtcs;
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if (!crtc_mask) {
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printf("Requested crtc and plane not compatible\n");
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exit(5);
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}
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printf("Obtained plane information\n");
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}
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// Query info for requested connector
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int conn = 0;
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for (conn = 0; conn < drm_res_info->count_connectors; ++conn) {
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drm_conn_id = drm_res_info->connectors[conn];
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drm_conn_info = drmModeGetConnector(drm_fd, drm_conn_id);
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if (drm_conn_info != NULL) {
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printf("connector %d found\n", drm_conn_info->connector_id);
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if (drm_conn_info->connection == DRM_MODE_CONNECTED) {
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break;
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}
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drmModeFreeConnector(drm_conn_info);
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}
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}
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if (conn == drm_res_info->count_connectors) {
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printf("No active connectors found\n");
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exit(6);
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}
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printf("Obtained connector information\n");
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// If there is already an encoder attached to the connector, choose
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// it unless not compatible with crtc/plane
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drm_enc_id = drm_conn_info->encoder_id;
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drm_enc_info = drmModeGetEncoder(drm_fd, drm_enc_id);
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if (drm_enc_info) {
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if (!(drm_enc_info->possible_crtcs & crtc_mask)) {
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drmModeFreeEncoder(drm_enc_info);
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drm_enc_info = NULL;
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}
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}
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// If we didn't have a suitable encoder, find one
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if (!drm_enc_info) {
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for (i = 0; i < drm_conn_info->count_encoders; ++i) {
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drm_enc_id = drm_conn_info->encoders[i];
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drm_enc_info = drmModeGetEncoder(drm_fd, drm_enc_id);
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if (drm_enc_info) {
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if (crtc_mask & drm_enc_info->possible_crtcs) {
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crtc_mask &= drm_enc_info->possible_crtcs;
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break;
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}
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drmModeFreeEncoder(drm_enc_info);
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drm_enc_info = NULL;
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}
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}
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if (i == drm_conn_info->count_encoders) {
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printf("Unable to find suitable encoder\n");
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exit(7);
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}
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}
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printf("Obtained encoder information\n");
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// Select a suitable crtc. Give preference to any that's already
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// attached to the encoder. (Could make this more sophisticated
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// by finding one not already bound to any other encoders. But
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// this is just a basic test, so we don't really care that much.)
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assert(crtc_mask);
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for (i = 0; i < drm_res_info->count_crtcs; ++i) {
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if (crtc_mask & (1 << i)) {
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drm_crtc_id = drm_res_info->crtcs[i];
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if (drm_res_info->crtcs[i] == drm_enc_info->crtc_id) {
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break;
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}
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}
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}
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// Query info for crtc
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drm_crtc_info = drmModeGetCrtc(drm_fd, drm_crtc_id);
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if (!drm_crtc_info) {
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printf("Unable to obtain info for crtc (%d)\n", drm_crtc_id);
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exit(4);
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}
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printf("Obtained crtc information\n");
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// If dimensions are specified and not using a plane, find closest mode
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if ((xmodesize || ymodesize) && (plane < 0)) {
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// Find best fit among available modes
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int best_index = 0;
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int best_fit = 0x7fffffff;
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for (i = 0; i < drm_conn_info->count_modes; ++i) {
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drmModeModeInfoPtr mode = drm_conn_info->modes + i;
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int fit = 0;
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if (xmodesize) {
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fit += abs((int)mode->hdisplay - xmodesize) * (int)mode->vdisplay;
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}
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if (ymodesize) {
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fit += abs((int)mode->vdisplay - ymodesize) * (int)mode->hdisplay;
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}
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if (fit < best_fit) {
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best_index = i;
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best_fit = fit;
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}
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}
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// Choose this size/mode
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drm_mode_index = best_index;
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xmodesize = (int)drm_conn_info->modes[best_index].hdisplay;
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ymodesize = (int)drm_conn_info->modes[best_index].vdisplay;
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}
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// We'll only set the mode if we have to. This hopefully allows
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// multiple instances of this application to run, writing to
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// separate planes of the same display, as long as they don't
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// specifiy incompatible settings.
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if ((drm_conn_info->encoder_id != drm_enc_id) ||
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(drm_enc_info->crtc_id != drm_crtc_id) || !drm_crtc_info->mode_valid ||
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((plane < 0) && xmodesize &&
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(xmodesize != (int)drm_crtc_info->mode.hdisplay)) ||
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((plane < 0) && ymodesize &&
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(ymodesize != (int)drm_crtc_info->mode.vdisplay))) {
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set_mode = true;
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}
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// If dimensions haven't been specified, figure out good values to use
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if (!xmodesize || !ymodesize) {
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// If mode requires reset, just pick the first one available
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// from the connector
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if (set_mode) {
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xmodesize = (int)drm_conn_info->modes[0].hdisplay;
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ymodesize = (int)drm_conn_info->modes[0].vdisplay;
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}
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// Otherwise get it from the current crtc settings
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else {
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xmodesize = (int)drm_crtc_info->mode.hdisplay;
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ymodesize = (int)drm_crtc_info->mode.vdisplay;
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}
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}
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printf("Determine mode settings\n");
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// If surf size is unspecified, default to fullscreen normally
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// or to 1/4 fullscreen if in animated bounce mode.
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if (!xsurfsize || !ysurfsize) {
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if (bounce) {
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xsurfsize = xmodesize / 2;
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ysurfsize = ymodesize / 2;
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} else {
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xsurfsize = xmodesize;
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ysurfsize = ymodesize;
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}
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}
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printf("Determine surface size\n");
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// If necessary, set the mode
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if (set_mode) {
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drmModeSetCrtc(drm_fd, drm_crtc_id, -1, 0, 0, &drm_conn_id, 1,
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drm_conn_info->modes + drm_mode_index);
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printf("Set mode\n");
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}
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// If plane is in use, set it
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if (plane >= 0) {
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drmModeSetPlane(drm_fd, drm_plane_id, drm_crtc_id, -1, 0, xoffset, yoffset,
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xsurfsize, ysurfsize, 0, 0, xsurfsize << 16,
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ysurfsize << 16);
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printf("Set plane configuration\n");
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}
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// Obtain and initialize EGLDisplay
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eglDisplay =
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eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT, (void*)egl_dev, NULL);
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if (eglDisplay == EGL_NO_DISPLAY) {
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printf("Couldn't obtain EGLDisplay for device\n");
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exit(8);
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}
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if (!eglInitialize(eglDisplay, &major, &minor)) {
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printf("Couldn't initialize EGLDisplay (error 0x%x)\n", eglGetError());
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exit(8);
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}
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printf("Obtained EGLDisplay\n");
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// Check for stream_consumer_egloutput + output_drm support
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const char* dpy_exts = eglQueryString(eglDisplay, EGL_EXTENSIONS);
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const char* dev_exts = eglQueryDeviceStringEXT(egl_dev, EGL_EXTENSIONS);
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if (!CheckExtension(dpy_exts, "EGL_EXT_output_base")) {
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printf("Missing required extension: EGL_EXT_output_base\n");
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exit(2);
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}
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if (!CheckExtension(dev_exts, "EGL_EXT_device_drm")) {
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printf("Missing required extension: EGL_EXT_device_drm\n");
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exit(2);
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}
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if (!CheckExtension(dpy_exts, "EGL_EXT_output_drm")) {
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printf("Missing required extension: EGL_EXT_output_drm\n");
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exit(2);
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}
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if (!CheckExtension(dpy_exts, "EGL_EXT_stream_consumer_egloutput")) {
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printf("Missing required extension: EGL_EXT_stream_consumer_egloutput\n");
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exit(2);
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}
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// Choose a config and create a context
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EGLint cfg_attr[] = {EGL_SURFACE_TYPE,
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EGL_STREAM_BIT_KHR,
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EGL_RENDERABLE_TYPE,
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EGL_OPENGL_ES2_BIT,
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EGL_ALPHA_SIZE,
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1,
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EGL_NONE};
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if (!eglChooseConfig(eglDisplay, cfg_attr, &egl_cfg, 1, &n) || !n) {
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printf(
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"Unable to obtain config that supports stream rendering (error 0x%x)\n",
|
|
eglGetError());
|
|
exit(9);
|
|
}
|
|
EGLint ctx_attr[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
|
|
|
|
eglBindAPI(EGL_OPENGL_ES_API);
|
|
|
|
eglContext = eglCreateContext(eglDisplay, egl_cfg, EGL_NO_CONTEXT, ctx_attr);
|
|
if (eglContext == EGL_NO_CONTEXT) {
|
|
printf("Unable to create context (error 0x%x)\n", eglGetError());
|
|
exit(9);
|
|
}
|
|
printf("Obtained EGLConfig and EGLContext\n");
|
|
|
|
// Get the layer for this crtc/plane
|
|
EGLAttrib layer_attr[] = {EGL_NONE, EGL_NONE, EGL_NONE};
|
|
if (plane >= 0) {
|
|
layer_attr[0] = EGL_DRM_PLANE_EXT;
|
|
layer_attr[1] = (EGLAttrib)drm_plane_id;
|
|
} else {
|
|
layer_attr[0] = EGL_DRM_CRTC_EXT;
|
|
layer_attr[1] = (EGLAttrib)drm_crtc_id;
|
|
}
|
|
if (!eglGetOutputLayersEXT(eglDisplay, layer_attr, &egl_lyr, 1, &n) || !n) {
|
|
printf("Unable to obtain EGLOutputLayer for %s 0x%x\n",
|
|
(plane >= 0) ? "plane" : "crtc", (int)layer_attr[1]);
|
|
exit(10);
|
|
}
|
|
printf("Obtained EGLOutputLayer\n");
|
|
|
|
// Create a stream and connect to the output
|
|
EGLint stream_attr[] = {EGL_STREAM_FIFO_LENGTH_KHR, fifo, EGL_NONE};
|
|
egl_str = eglCreateStreamKHR(eglDisplay, stream_attr);
|
|
if (egl_str == EGL_NO_STREAM_KHR) {
|
|
printf("Unable to create stream (error 0x%x)\n", eglGetError());
|
|
exit(11);
|
|
}
|
|
if (!eglStreamConsumerOutputEXT(eglDisplay, egl_str, egl_lyr)) {
|
|
printf("Unable to connect stream (error 0x%x)\n", eglGetError());
|
|
exit(11);
|
|
}
|
|
|
|
// Create a surface to feed the stream
|
|
EGLint srf_attr[] = {EGL_WIDTH, xsurfsize, EGL_HEIGHT, ysurfsize, EGL_NONE};
|
|
eglSurface =
|
|
eglCreateStreamProducerSurfaceKHR(eglDisplay, egl_cfg, egl_str, srf_attr);
|
|
if (eglSurface == EGL_NO_SURFACE) {
|
|
printf("Unable to create rendering surface (error 0x%x)\n", eglGetError());
|
|
exit(12);
|
|
}
|
|
printf("Bound layer to rendering surface\n");
|
|
|
|
// Make current
|
|
if (!eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext)) {
|
|
printf("Unable to make context/surface current (error 0x%x)\n",
|
|
eglGetError());
|
|
exit(13);
|
|
}
|
|
|
|
EGLint Context_RendererType;
|
|
eglQueryContext(eglDisplay, eglContext, EGL_CONTEXT_CLIENT_TYPE,
|
|
&Context_RendererType);
|
|
|
|
#if 0
|
|
switch (Context_RendererType)
|
|
{
|
|
case EGL_OPENGL_API:
|
|
printf("Using OpenGL API\n");
|
|
break;
|
|
case EGL_OPENGL_ES_API:
|
|
printf("Using OpenGL ES API");
|
|
break;
|
|
case 0xB6D185E8:
|
|
printf("Using EGLOutput context.\n");
|
|
break;
|
|
case EGL_OPENVG_API:
|
|
error_exit("Context Query Returned OpenVG. This is Unsupported\n");
|
|
default:
|
|
error_exit("Unknown Context Type. %04X\n", Context_RendererType);
|
|
}
|
|
#endif
|
|
|
|
#if 0 // obtain API function pointers _manually_ (see function pointer
|
|
// declarations above)
|
|
my_glGetError = (glGetErrorTYPE) eglGetProcAddress("glGetError");
|
|
my_glGetString = (glGetStringTYPE) eglGetProcAddress("glGetString");
|
|
my_glGetProgramiv = (glGetProgramivTYPE) eglGetProcAddress("glGetProgramiv");
|
|
|
|
|
|
GL_APICALL void (* my_glGenBuffers) (GLsizei n, GLuint *buffers);
|
|
my_glGenBuffers = ((*) (GLsizei n, GLuint *buffers)) eglGetProcAddress("glGenBuffers");
|
|
|
|
GL_APICALL void (* my_glGetShaderInfoLog) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
|
|
my_glGetShaderInfoLog = ((*) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog)) eglGetProcAddress("glGetShaderInfoLog");
|
|
|
|
GL_APICALL void GL_APIENTRY glBindBuffer (GLenum target, GLuint buffer);
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
void graphics_set_windowtitle(const char* windowname) {
|
|
printf(" Window title would have been: %s\n", windowname);
|
|
}
|
|
|
|
void graphics_swap_buffers() { eglSwapBuffers(eglDisplay, eglSurface); }
|
|
|
|
void graphics_close_window() {
|
|
if (eglDisplay != EGL_NO_DISPLAY) {
|
|
eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
|
|
if (eglContext != EGL_NO_CONTEXT) eglDestroyContext(eglDisplay, eglContext);
|
|
|
|
if (eglSurface != EGL_NO_SURFACE) eglDestroySurface(eglDisplay, eglSurface);
|
|
|
|
eglTerminate(eglDisplay);
|
|
}
|
|
|
|
#if 0
|
|
if (plane >= 0)
|
|
drmModeSetPlane(drm_fd, drm_plane_id, drm_crtc_id, 0, 0,
|
|
xoffset, yoffset, xsurfsize, ysurfsize,
|
|
0, 0, xsurfsize << 16, ysurfsize << 16);
|
|
else
|
|
drmModeSetCrtc(drm_fd, drm_crtc_id, 0, xoffset, yoffset, &drm_conn_id, 1,
|
|
NULL);
|
|
#endif
|
|
|
|
printf("Released display resources\n");
|
|
}
|