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diff --git a/kmscube/kmscube.cpp b/kmscube/kmscube.cpp
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+/*
+ * Copyright (c) 2012 Arvin Schnell <arvin.schnell@gmail.com>
+ * Copyright (c) 2012 Rob Clark <rob@ti.com>
+ * Copyright (c) 2015 Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/* Based on a egl cube test app originally written by Arvin Schnell */
+
+#include <chrono>
+#include <cstdio>
+#include <vector>
+#include <memory>
+#include <algorithm>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <gbm.h>
+
+#include "esUtil.h"
+
+#include <kms++.h>
+#include "test.h"
+
+using namespace kms;
+using namespace std;
+
+static bool s_verbose;
+static int s_flip_pending;
+static bool s_need_exit;
+
+class GbmDevice
+{
+public:
+ GbmDevice(Card& card)
+ {
+ m_dev = gbm_create_device(card.fd());
+ FAIL_IF(!m_dev, "failed to create gbm device");
+ }
+
+ ~GbmDevice()
+ {
+ gbm_device_destroy(m_dev);
+ }
+
+ GbmDevice(const GbmDevice& other) = delete;
+ GbmDevice& operator=(const GbmDevice& other) = delete;
+
+ operator struct gbm_device*() const { return m_dev; }
+
+private:
+ struct gbm_device* m_dev;
+};
+
+class GbmSurface
+{
+public:
+ GbmSurface(GbmDevice& gdev, int width, int height)
+ {
+ m_surface = gbm_surface_create(gdev, width, height,
+ GBM_FORMAT_XRGB8888,
+ GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
+ FAIL_IF(!m_surface, "failed to create gbm surface");
+ }
+
+ ~GbmSurface()
+ {
+ gbm_surface_destroy(m_surface);
+ }
+
+ GbmSurface(const GbmSurface& other) = delete;
+ GbmSurface& operator=(const GbmSurface& other) = delete;
+
+ operator struct gbm_surface*() const { return m_surface; }
+private:
+ struct gbm_surface* m_surface;
+};
+
+struct GLState {
+ GLState(GbmDevice& gdev)
+ {
+ EGLint major, minor, n;
+ GLuint vertex_shader, fragment_shader;
+ GLint ret;
+ EGLBoolean b;
+
+#include "cube.h"
+
+ static const EGLint context_attribs[] = {
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+ EGL_NONE
+ };
+
+ static const EGLint config_attribs[] = {
+ EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+ EGL_RED_SIZE, 8,
+ EGL_GREEN_SIZE, 8,
+ EGL_BLUE_SIZE, 8,
+ EGL_ALPHA_SIZE, 0,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_NONE
+ };
+
+ static const char *vertex_shader_source =
+ "uniform mat4 modelviewMatrix; \n"
+ "uniform mat4 modelviewprojectionMatrix;\n"
+ "uniform mat3 normalMatrix; \n"
+ " \n"
+ "attribute vec4 in_position; \n"
+ "attribute vec3 in_normal; \n"
+ "attribute vec4 in_color; \n"
+ "\n"
+ "vec4 lightSource = vec4(2.0, 2.0, 20.0, 0.0);\n"
+ " \n"
+ "varying vec4 vVaryingColor; \n"
+ " \n"
+ "void main() \n"
+ "{ \n"
+ " gl_Position = modelviewprojectionMatrix * in_position;\n"
+ " vec3 vEyeNormal = normalMatrix * in_normal;\n"
+ " vec4 vPosition4 = modelviewMatrix * in_position;\n"
+ " vec3 vPosition3 = vPosition4.xyz / vPosition4.w;\n"
+ " vec3 vLightDir = normalize(lightSource.xyz - vPosition3);\n"
+ " float diff = max(0.0, dot(vEyeNormal, vLightDir));\n"
+ " vVaryingColor = vec4(diff * in_color.rgb, 1.0);\n"
+ "} \n";
+
+ static const char *fragment_shader_source =
+ "precision mediump float; \n"
+ " \n"
+ "varying vec4 vVaryingColor; \n"
+ " \n"
+ "void main() \n"
+ "{ \n"
+ " gl_FragColor = vVaryingColor; \n"
+ "} \n";
+
+ m_display = eglGetDisplay(gdev);
+ FAIL_IF(!m_display, "failed to get egl display");
+
+ b = eglInitialize(m_display, &major, &minor);
+ FAIL_IF(!b, "failed to initialize");
+
+ if (s_verbose) {
+ printf("Using display %p with EGL version %d.%d\n", m_display, major, minor);
+
+ printf("EGL_VENDOR: %s\n", eglQueryString(m_display, EGL_VENDOR));
+ printf("EGL_VERSION: %s\n", eglQueryString(m_display, EGL_VERSION));
+ printf("EGL_EXTENSIONS: %s\n", eglQueryString(m_display, EGL_EXTENSIONS));
+ printf("EGL_CLIENT_APIS: %s\n", eglQueryString(m_display, EGL_CLIENT_APIS));
+ }
+
+ b = eglBindAPI(EGL_OPENGL_ES_API);
+ FAIL_IF(!b, "failed to bind api EGL_OPENGL_ES_API");
+
+ b = eglChooseConfig(m_display, config_attribs, &m_config, 1, &n);
+ FAIL_IF(!b || n != 1, "failed to choose config");
+
+ auto getconf = [this](EGLint a) { EGLint v = -1; eglGetConfigAttrib(m_display, m_config, a, &v); return v; };
+
+ if (s_verbose) {
+ printf("EGL Config %d: color buf %d/%d/%d/%d = %d, depth %d, stencil %d\n",
+ getconf(EGL_CONFIG_ID),
+ getconf(EGL_ALPHA_SIZE),
+ getconf(EGL_RED_SIZE),
+ getconf(EGL_GREEN_SIZE),
+ getconf(EGL_BLUE_SIZE),
+ getconf(EGL_BUFFER_SIZE),
+ getconf(EGL_DEPTH_SIZE),
+ getconf(EGL_STENCIL_SIZE));
+ }
+
+ m_context = eglCreateContext(m_display, m_config, EGL_NO_CONTEXT, context_attribs);
+ FAIL_IF(!m_context, "failed to create context");
+
+ eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, m_context);
+
+ if (s_verbose) {
+ printf("GL_VENDOR: %s\n", glGetString(GL_VENDOR));
+ printf("GL_VERSION: %s\n", glGetString(GL_VERSION));
+ printf("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
+ printf("GL_EXTENSIONS: %s\n", glGetString(GL_EXTENSIONS));
+ }
+
+ vertex_shader = glCreateShader(GL_VERTEX_SHADER);
+
+ glShaderSource(vertex_shader, 1, &vertex_shader_source, NULL);
+ glCompileShader(vertex_shader);
+
+ glGetShaderiv(vertex_shader, GL_COMPILE_STATUS, &ret);
+ FAIL_IF(!ret, "vertex shader compilation failed!");
+
+ fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
+
+ glShaderSource(fragment_shader, 1, &fragment_shader_source, NULL);
+ glCompileShader(fragment_shader);
+
+ glGetShaderiv(fragment_shader, GL_COMPILE_STATUS, &ret);
+ FAIL_IF(!ret, "fragment shader compilation failed!");
+
+ GLuint program = glCreateProgram();
+
+ glAttachShader(program, vertex_shader);
+ glAttachShader(program, fragment_shader);
+
+ glBindAttribLocation(program, 0, "in_position");
+ glBindAttribLocation(program, 1, "in_normal");
+ glBindAttribLocation(program, 2, "in_color");
+
+ glLinkProgram(program);
+
+ glGetProgramiv(program, GL_LINK_STATUS, &ret);
+ FAIL_IF(!ret, "program linking failed!");
+
+ glUseProgram(program);
+
+ m_modelviewmatrix = glGetUniformLocation(program, "modelviewMatrix");
+ m_modelviewprojectionmatrix = glGetUniformLocation(program, "modelviewprojectionMatrix");
+ m_normalmatrix = glGetUniformLocation(program, "normalMatrix");
+
+ glEnable(GL_CULL_FACE);
+
+ GLintptr positionsoffset = 0;
+ GLintptr colorsoffset = sizeof(vVertices);
+ GLintptr normalsoffset = sizeof(vVertices) + sizeof(vColors);
+ GLuint vbo;
+
+ glGenBuffers(1, &vbo);
+ glBindBuffer(GL_ARRAY_BUFFER, vbo);
+ glBufferData(GL_ARRAY_BUFFER, sizeof(vVertices) + sizeof(vColors) + sizeof(vNormals), 0, GL_STATIC_DRAW);
+ glBufferSubData(GL_ARRAY_BUFFER, positionsoffset, sizeof(vVertices), &vVertices[0]);
+ glBufferSubData(GL_ARRAY_BUFFER, colorsoffset, sizeof(vColors), &vColors[0]);
+ glBufferSubData(GL_ARRAY_BUFFER, normalsoffset, sizeof(vNormals), &vNormals[0]);
+ glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid*)positionsoffset);
+ glEnableVertexAttribArray(0);
+ glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid*)normalsoffset);
+ glEnableVertexAttribArray(1);
+ glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, 0, (const GLvoid*)colorsoffset);
+ glEnableVertexAttribArray(2);
+ }
+
+ ~GLState()
+ {
+ eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ eglTerminate(m_display);
+ }
+
+ GLState(const GLState& other) = delete;
+ GLState& operator=(const GLState& other) = delete;
+
+ EGLDisplay display() const { return m_display; }
+ EGLConfig config() const { return m_config; }
+ EGLContext context() const { return m_context; }
+
+ GLint modelviewmatrix() const { return m_modelviewmatrix; }
+ GLint modelviewprojectionmatrix() const { return m_modelviewprojectionmatrix; }
+ GLint normalmatrix() const { return m_normalmatrix; }
+
+private:
+ EGLDisplay m_display;
+ EGLConfig m_config;
+ EGLContext m_context;
+ GLint m_modelviewmatrix, m_modelviewprojectionmatrix, m_normalmatrix;
+};
+
+struct Surface
+{
+ Surface(Card& card, GbmDevice& gdev, const GLState& gl, int width, int height)
+ : card(card), gdev(gdev), gl(gl), gsurface(gdev, width, height), m_width(width), m_height(height),
+ bo_prev(0), bo_next(0)
+ {
+ esurface = eglCreateWindowSurface(gl.display(), gl.config(), gsurface, NULL);
+ FAIL_IF(esurface == EGL_NO_SURFACE, "failed to create egl surface");
+ }
+
+ ~Surface()
+ {
+ if (bo_next)
+ gbm_surface_release_buffer(gsurface, bo_next);
+ eglDestroySurface(gl.display(), esurface);
+ }
+
+ void make_current()
+ {
+ eglMakeCurrent(gl.display(), esurface, esurface, gl.context());
+ glViewport(0, 0, m_width, m_height);
+ }
+
+ void clear()
+ {
+ glClearColor(0.5, 0.5, 0.5, 1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ }
+
+ static void drm_fb_destroy_callback(struct gbm_bo *bo, void *data)
+ {
+ auto fb = reinterpret_cast<Framebuffer*>(data);
+ delete fb;
+ }
+
+ static Framebuffer* drm_fb_get_from_bo(struct gbm_bo *bo, Card& card)
+ {
+ auto fb = reinterpret_cast<Framebuffer*>(gbm_bo_get_user_data(bo));
+ if (fb)
+ return fb;
+
+ uint32_t width = gbm_bo_get_width(bo);
+ uint32_t height = gbm_bo_get_height(bo);
+ uint32_t stride = gbm_bo_get_stride(bo);
+ uint32_t handle = gbm_bo_get_handle(bo).u32;
+
+ fb = new ExtFramebuffer(card, width, height, 24, 32, stride, handle);
+
+ gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
+
+ return fb;
+ }
+
+ struct Framebuffer* lock_next()
+ {
+ bo_prev = bo_next;
+ eglSwapBuffers(gl.display(), esurface);
+ bo_next = gbm_surface_lock_front_buffer(gsurface);
+ FAIL_IF(!bo_next, "could not lock gbm buffer");
+ return drm_fb_get_from_bo(bo_next, card);
+ }
+
+ void free_prev()
+ {
+ if (bo_prev) {
+ gbm_surface_release_buffer(gsurface, bo_prev);
+ bo_prev = 0;
+ }
+ }
+
+ Card& card;
+ GbmDevice& gdev;
+ const GLState& gl;
+
+ GbmSurface gsurface;
+ EGLSurface esurface;
+
+ int m_width;
+ int m_height;
+
+ struct gbm_bo* bo_prev;
+ struct gbm_bo* bo_next;
+};
+
+static void draw(uint32_t framenum, Surface& surface)
+{
+ const GLState& gl = surface.gl;
+
+ ESMatrix modelview;
+
+ esMatrixLoadIdentity(&modelview);
+ esTranslate(&modelview, 0.0f, 0.0f, -8.0f);
+ esRotate(&modelview, 45.0f + (0.75f * framenum), 1.0f, 0.0f, 0.0f);
+ esRotate(&modelview, 45.0f - (0.5f * framenum), 0.0f, 1.0f, 0.0f);
+ esRotate(&modelview, 10.0f + (0.45f * framenum), 0.0f, 0.0f, 1.0f);
+
+ GLfloat aspect = (GLfloat)(surface.m_height) / (GLfloat)(surface.m_width);
+
+ ESMatrix projection;
+ esMatrixLoadIdentity(&projection);
+ esFrustum(&projection, -2.8f, +2.8f, -2.8f * aspect, +2.8f * aspect, 6.0f, 10.0f);
+
+ ESMatrix modelviewprojection;
+ esMatrixLoadIdentity(&modelviewprojection);
+ esMatrixMultiply(&modelviewprojection, &modelview, &projection);
+
+ float normal[9];
+ normal[0] = modelview.m[0][0];
+ normal[1] = modelview.m[0][1];
+ normal[2] = modelview.m[0][2];
+ normal[3] = modelview.m[1][0];
+ normal[4] = modelview.m[1][1];
+ normal[5] = modelview.m[1][2];
+ normal[6] = modelview.m[2][0];
+ normal[7] = modelview.m[2][1];
+ normal[8] = modelview.m[2][2];
+
+ glUniformMatrix4fv(gl.modelviewmatrix(), 1, GL_FALSE, &modelview.m[0][0]);
+ glUniformMatrix4fv(gl.modelviewprojectionmatrix(), 1, GL_FALSE, &modelviewprojection.m[0][0]);
+ glUniformMatrix3fv(gl.normalmatrix(), 1, GL_FALSE, normal);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ glDrawArrays(GL_TRIANGLE_STRIP, 4, 4);
+ glDrawArrays(GL_TRIANGLE_STRIP, 8, 4);
+ glDrawArrays(GL_TRIANGLE_STRIP, 12, 4);
+ glDrawArrays(GL_TRIANGLE_STRIP, 16, 4);
+ glDrawArrays(GL_TRIANGLE_STRIP, 20, 4);
+}
+
+class OutputHandler : private PageFlipHandlerBase
+{
+public:
+ OutputHandler(Card& card, GbmDevice& gdev, const GLState& gl, Connector* connector, Crtc* crtc, Videomode& mode, Plane* plane, float rotation_mult)
+ : m_frame_num(0), m_connector(connector), m_crtc(crtc), m_plane(plane), m_mode(mode),
+ m_rotation_mult(rotation_mult)
+ {
+ m_surface = unique_ptr<Surface>(new Surface(card, gdev, gl, mode.hdisplay, mode.vdisplay));
+ if (m_plane)
+ m_surface2 = unique_ptr<Surface>(new Surface(card, gdev, gl, 400, 400));
+ }
+
+ OutputHandler(const OutputHandler& other) = delete;
+ OutputHandler& operator=(const OutputHandler& other) = delete;
+
+ void setup()
+ {
+ int ret;
+
+ m_surface->make_current();
+ m_surface->clear();
+ struct Framebuffer* fb = m_surface->lock_next();
+
+ struct Framebuffer* planefb = 0;
+
+ if (m_plane) {
+ m_surface2->make_current();
+ m_surface2->clear();
+ planefb = m_surface2->lock_next();
+ }
+
+
+ ret = m_crtc->set_mode(m_connector, *fb, m_mode);
+ FAIL_IF(ret, "failed to set mode");
+
+ if (m_plane) {
+ ret = m_crtc->set_plane(m_plane, *planefb,
+ 0, 0, planefb->width(), planefb->height(),
+ 0, 0, planefb->width(), planefb->height());
+ FAIL_IF(ret, "failed to set plane");
+ }
+ }
+
+ void start_flipping()
+ {
+ m_t1 = chrono::steady_clock::now();
+ queue_next();
+ }
+
+private:
+ void handle_page_flip(uint32_t frame, double time)
+ {
+ ++m_frame_num;
+
+ if (m_frame_num % 100 == 0) {
+ auto t2 = chrono::steady_clock::now();
+ chrono::duration<float> fsec = t2 - m_t1;
+ printf("fps: %f\n", 100.0 / fsec.count());
+ m_t1 = t2;
+ }
+
+ s_flip_pending--;
+
+ m_surface->free_prev();
+ if (m_plane)
+ m_surface2->free_prev();
+
+ if (s_need_exit)
+ return;
+
+ queue_next();
+ }
+
+ void queue_next()
+ {
+ m_surface->make_current();
+ m_surface->clear();
+ draw(m_frame_num * m_rotation_mult, *m_surface);
+ struct Framebuffer* fb = m_surface->lock_next();
+
+ struct Framebuffer* planefb = 0;
+
+ if (m_plane) {
+ m_surface2->make_current();
+ m_surface2->clear();
+ draw(m_frame_num * m_rotation_mult * 2, *m_surface2);
+ planefb = m_surface2->lock_next();
+ }
+
+ if (m_crtc->card().has_atomic()) {
+ int r;
+
+ AtomicReq req(m_crtc->card());
+
+ req.add(m_crtc, "FB_ID", fb->id());
+ if (m_plane)
+ req.add(m_plane, "FB_ID", planefb->id());
+
+ r = req.test();
+ FAIL_IF(r, "atomic test failed");
+
+ r = req.commit(this);
+ FAIL_IF(r, "atomic commit failed");
+ } else {
+ int ret;
+
+ ret = m_crtc->page_flip(*fb, this);
+ FAIL_IF(ret, "failed to queue page flip");
+
+ if (m_plane) {
+ ret = m_crtc->set_plane(m_plane, *planefb,
+ 0, 0, planefb->width(), planefb->height(),
+ 0, 0, planefb->width(), planefb->height());
+ FAIL_IF(ret, "failed to set plane");
+ }
+ }
+
+ s_flip_pending++;
+ }
+
+ int m_frame_num;
+ chrono::steady_clock::time_point m_t1;
+
+ Connector* m_connector;
+ Crtc* m_crtc;
+ Plane* m_plane;
+ Videomode m_mode;
+
+ unique_ptr<Surface> m_surface;
+ unique_ptr<Surface> m_surface2;
+
+ float m_rotation_mult;
+};
+
+int main(int argc, char *argv[])
+{
+ for (int i = 1; i < argc; ++i) {
+ if (argv[i] == string("-v"))
+ s_verbose = true;
+ }
+
+ Card card;
+
+ GbmDevice gdev(card);
+ const GLState gl(gdev);
+
+ vector<unique_ptr<OutputHandler>> outputs;
+ vector<Plane*> used_planes;
+
+ float rot_mult = 1;
+
+ for (auto pipe : card.get_connected_pipelines()) {
+ auto connector = pipe.connector;
+ auto crtc = pipe.crtc;
+ auto mode = connector->get_default_mode();
+
+ Plane* plane = 0;
+
+ for (Plane* p : crtc->get_possible_planes()) {
+ if (find(used_planes.begin(), used_planes.end(), p) != used_planes.end())
+ continue;
+
+ if (p->plane_type() != PlaneType::Overlay)
+ continue;
+
+ plane = p;
+ break;
+ }
+
+ if (plane)
+ used_planes.push_back(plane);
+
+ auto out = new OutputHandler(card, gdev, gl, connector, crtc, mode, plane, rot_mult);
+ outputs.emplace_back(out);
+
+ rot_mult *= 1.33;
+ }
+
+ for (auto& out : outputs)
+ out->setup();
+
+ for (auto& out : outputs)
+ out->start_flipping();
+
+ while (!s_need_exit || s_flip_pending) {
+ fd_set fds;
+ FD_ZERO(&fds);
+ if (!s_need_exit)
+ FD_SET(0, &fds);
+ FD_SET(card.fd(), &fds);
+
+ int ret = select(card.fd() + 1, &fds, NULL, NULL, NULL);
+
+ FAIL_IF(ret < 0, "select error: %d", ret);
+ FAIL_IF(ret == 0, "select timeout");
+
+ if (FD_ISSET(0, &fds))
+ s_need_exit = true;
+
+ if (FD_ISSET(card.fd(), &fds))
+ card.call_page_flip_handlers();
+ }
+
+ return 0;
+}
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