* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
-#include <glob.h>
-#include <dirent.h>
-
+#include "qemu/drm.h"
#include "qemu/error-report.h"
+#include "ui/console.h"
#include "ui/egl-helpers.h"
EGLDisplay *qemu_egl_display;
EGLConfig qemu_egl_config;
+DisplayGLMode qemu_egl_mode;
-/* ---------------------------------------------------------------------- */
+/* ------------------------------------------------------------------ */
-static bool egl_gles;
-static int egl_debug;
+static void egl_fb_delete_texture(egl_fb *fb)
+{
+ if (!fb->delete_texture) {
+ return;
+ }
-#define egl_dbg(_x ...) \
- do { \
- if (egl_debug) { \
- fprintf(stderr, "egl: " _x); \
- } \
- } while (0);
+ glDeleteTextures(1, &fb->texture);
+ fb->delete_texture = false;
+}
-/* ---------------------------------------------------------------------- */
+void egl_fb_destroy(egl_fb *fb)
+{
+ if (!fb->framebuffer) {
+ return;
+ }
-#ifdef CONFIG_OPENGL_DMABUF
+ egl_fb_delete_texture(fb);
+ glDeleteFramebuffers(1, &fb->framebuffer);
-int qemu_egl_rn_fd;
-struct gbm_device *qemu_egl_rn_gbm_dev;
-EGLContext qemu_egl_rn_ctx;
+ fb->width = 0;
+ fb->height = 0;
+ fb->texture = 0;
+ fb->framebuffer = 0;
+}
-static int qemu_egl_rendernode_open(const char *rendernode)
+void egl_fb_setup_default(egl_fb *fb, int width, int height)
{
- DIR *dir;
- struct dirent *e;
- int r, fd;
- char *p;
+ fb->width = width;
+ fb->height = height;
+ fb->framebuffer = 0; /* default framebuffer */
+}
- if (rendernode) {
- return open(rendernode, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK);
+void egl_fb_setup_for_tex(egl_fb *fb, int width, int height,
+ GLuint texture, bool delete)
+{
+ egl_fb_delete_texture(fb);
+
+ fb->width = width;
+ fb->height = height;
+ fb->texture = texture;
+ fb->delete_texture = delete;
+ if (!fb->framebuffer) {
+ glGenFramebuffers(1, &fb->framebuffer);
}
- dir = opendir("/dev/dri");
- if (!dir) {
- return -1;
- }
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, fb->framebuffer);
+ glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+ GL_TEXTURE_2D, fb->texture, 0);
+}
- fd = -1;
- while ((e = readdir(dir))) {
- if (e->d_type != DT_CHR) {
- continue;
- }
+void egl_fb_setup_new_tex(egl_fb *fb, int width, int height)
+{
+ GLuint texture;
- if (strncmp(e->d_name, "renderD", 7)) {
- continue;
- }
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height,
+ 0, GL_BGRA, GL_UNSIGNED_BYTE, 0);
- p = g_strdup_printf("/dev/dri/%s", e->d_name);
+ egl_fb_setup_for_tex(fb, width, height, texture, true);
+}
- r = open(p, O_RDWR | O_CLOEXEC | O_NOCTTY | O_NONBLOCK);
- if (r < 0) {
- g_free(p);
- continue;
- }
- fd = r;
- g_free(p);
- break;
+void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip)
+{
+ GLuint x1 = 0;
+ GLuint y1 = 0;
+ GLuint x2, y2;
+ GLuint w = src->width;
+ GLuint h = src->height;
+
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer);
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst->framebuffer);
+ glViewport(0, 0, dst->width, dst->height);
+
+ if (src->dmabuf) {
+ x1 = src->dmabuf->x;
+ y1 = src->dmabuf->y;
+ w = src->dmabuf->scanout_width;
+ h = src->dmabuf->scanout_height;
}
- closedir(dir);
- if (fd < 0) {
- return -1;
+ w = (x1 + w) > src->width ? src->width - x1 : w;
+ h = (y1 + h) > src->height ? src->height - y1 : h;
+
+ y2 = flip ? y1 : h + y1;
+ y1 = flip ? h + y1 : y1;
+ x2 = x1 + w;
+
+ glBlitFramebuffer(x1, y1, x2, y2,
+ 0, 0, dst->width, dst->height,
+ GL_COLOR_BUFFER_BIT, GL_LINEAR);
+}
+
+void egl_fb_read(DisplaySurface *dst, egl_fb *src)
+{
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glReadPixels(0, 0, surface_width(dst), surface_height(dst),
+ GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst));
+}
+
+void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip)
+{
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer);
+ glViewport(0, 0, dst->width, dst->height);
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, src->texture);
+ qemu_gl_run_texture_blit(gls, flip);
+}
+
+void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip,
+ int x, int y, double scale_x, double scale_y)
+{
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer);
+ int w = scale_x * src->width;
+ int h = scale_y * src->height;
+ if (flip) {
+ glViewport(x, y, w, h);
+ } else {
+ glViewport(x, dst->height - h - y, w, h);
}
- return fd;
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, src->texture);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ qemu_gl_run_texture_blit(gls, flip);
+ glDisable(GL_BLEND);
}
-int egl_rendernode_init(const char *rendernode)
+/* ---------------------------------------------------------------------- */
+
+#ifdef CONFIG_GBM
+
+int qemu_egl_rn_fd;
+struct gbm_device *qemu_egl_rn_gbm_dev;
+EGLContext qemu_egl_rn_ctx;
+
+int egl_rendernode_init(const char *rendernode, DisplayGLMode mode)
{
qemu_egl_rn_fd = -1;
+ int rc;
- qemu_egl_rn_fd = qemu_egl_rendernode_open(rendernode);
+ qemu_egl_rn_fd = qemu_drm_rendernode_open(rendernode);
if (qemu_egl_rn_fd == -1) {
error_report("egl: no drm render node available");
goto err;
goto err;
}
- qemu_egl_init_dpy((EGLNativeDisplayType)qemu_egl_rn_gbm_dev, false, false);
+ rc = qemu_egl_init_dpy_mesa((EGLNativeDisplayType)qemu_egl_rn_gbm_dev,
+ mode);
+ if (rc != 0) {
+ /* qemu_egl_init_dpy_mesa reports error */
+ goto err;
+ }
if (!epoxy_has_egl_extension(qemu_egl_display,
"EGL_KHR_surfaceless_context")) {
return -1;
}
-int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc)
+int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
+ EGLuint64KHR *modifier)
{
EGLImageKHR image;
EGLint num_planes, fd;
}
eglExportDMABUFImageQueryMESA(qemu_egl_display, image, fourcc,
- &num_planes, NULL);
+ &num_planes, modifier);
if (num_planes != 1) {
eglDestroyImageKHR(qemu_egl_display, image);
return -1;
return fd;
}
-#endif /* CONFIG_OPENGL_DMABUF */
+void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf)
+{
+ EGLImageKHR image = EGL_NO_IMAGE_KHR;
+ EGLint attrs[64];
+ int i = 0;
+
+ if (dmabuf->texture != 0) {
+ return;
+ }
+
+ attrs[i++] = EGL_WIDTH;
+ attrs[i++] = dmabuf->width;
+ attrs[i++] = EGL_HEIGHT;
+ attrs[i++] = dmabuf->height;
+ attrs[i++] = EGL_LINUX_DRM_FOURCC_EXT;
+ attrs[i++] = dmabuf->fourcc;
+
+ attrs[i++] = EGL_DMA_BUF_PLANE0_FD_EXT;
+ attrs[i++] = dmabuf->fd;
+ attrs[i++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
+ attrs[i++] = dmabuf->stride;
+ attrs[i++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
+ attrs[i++] = 0;
+#ifdef EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT
+ if (dmabuf->modifier) {
+ attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
+ attrs[i++] = (dmabuf->modifier >> 0) & 0xffffffff;
+ attrs[i++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
+ attrs[i++] = (dmabuf->modifier >> 32) & 0xffffffff;
+ }
+#endif
+ attrs[i++] = EGL_NONE;
+
+ image = eglCreateImageKHR(qemu_egl_display,
+ EGL_NO_CONTEXT,
+ EGL_LINUX_DMA_BUF_EXT,
+ NULL, attrs);
+ if (image == EGL_NO_IMAGE_KHR) {
+ error_report("eglCreateImageKHR failed");
+ return;
+ }
+
+ glGenTextures(1, &dmabuf->texture);
+ glBindTexture(GL_TEXTURE_2D, dmabuf->texture);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image);
+ eglDestroyImageKHR(qemu_egl_display, image);
+}
+
+void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf)
+{
+ if (dmabuf->texture == 0) {
+ return;
+ }
+
+ glDeleteTextures(1, &dmabuf->texture);
+ dmabuf->texture = 0;
+}
+
+void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf)
+{
+ EGLSyncKHR sync;
+
+ if (epoxy_has_egl_extension(qemu_egl_display,
+ "EGL_KHR_fence_sync") &&
+ epoxy_has_egl_extension(qemu_egl_display,
+ "EGL_ANDROID_native_fence_sync")) {
+ sync = eglCreateSyncKHR(qemu_egl_display,
+ EGL_SYNC_NATIVE_FENCE_ANDROID, NULL);
+ if (sync != EGL_NO_SYNC_KHR) {
+ dmabuf->sync = sync;
+ }
+ }
+}
+
+void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf)
+{
+ if (dmabuf->sync) {
+ dmabuf->fence_fd = eglDupNativeFenceFDANDROID(qemu_egl_display,
+ dmabuf->sync);
+ eglDestroySyncKHR(qemu_egl_display, dmabuf->sync);
+ dmabuf->sync = NULL;
+ }
+}
+
+#endif /* CONFIG_GBM */
/* ---------------------------------------------------------------------- */
-EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, Window win)
+EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win)
{
EGLSurface esurface;
EGLBoolean b;
- egl_dbg("eglCreateWindowSurface (x11 win id 0x%lx) ...\n",
- (unsigned long) win);
esurface = eglCreateWindowSurface(qemu_egl_display,
qemu_egl_config,
- (EGLNativeWindowType)win, NULL);
+ win, NULL);
if (esurface == EGL_NO_SURFACE) {
error_report("egl: eglCreateWindowSurface failed");
return NULL;
/* ---------------------------------------------------------------------- */
+#if defined(CONFIG_X11) || defined(CONFIG_GBM)
+
/*
* Taken from glamor_egl.h from the Xorg xserver, which is MIT licensed
*
* platform extensions (EGL_KHR_platform_gbm and friends) yet it doesn't seem
* like mesa will be able to advertise these (even though it can do EGL 1.5).
*/
-static EGLDisplay qemu_egl_get_display(void *native)
+static EGLDisplay qemu_egl_get_display(EGLNativeDisplayType native,
+ EGLenum platform)
{
EGLDisplay dpy = EGL_NO_DISPLAY;
-#ifdef EGL_MESA_platform_gbm
/* In practise any EGL 1.5 implementation would support the EXT extension */
if (epoxy_has_egl_extension(NULL, "EGL_EXT_platform_base")) {
PFNEGLGETPLATFORMDISPLAYEXTPROC getPlatformDisplayEXT =
(void *) eglGetProcAddress("eglGetPlatformDisplayEXT");
- if (getPlatformDisplayEXT) {
- dpy = getPlatformDisplayEXT(EGL_PLATFORM_GBM_MESA, native, NULL);
+ if (getPlatformDisplayEXT && platform != 0) {
+ dpy = getPlatformDisplayEXT(platform, native, NULL);
}
}
-#endif
if (dpy == EGL_NO_DISPLAY) {
/* fallback */
return dpy;
}
-int qemu_egl_init_dpy(EGLNativeDisplayType dpy, bool gles, bool debug)
+static int qemu_egl_init_dpy(EGLNativeDisplayType dpy,
+ EGLenum platform,
+ DisplayGLMode mode)
{
- static const EGLint conf_att_gl[] = {
+ static const EGLint conf_att_core[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_RED_SIZE, 5,
EGLint major, minor;
EGLBoolean b;
EGLint n;
+ bool gles = (mode == DISPLAYGL_MODE_ES);
- if (debug) {
- egl_debug = 1;
- setenv("EGL_LOG_LEVEL", "debug", true);
- setenv("LIBGL_DEBUG", "verbose", true);
- }
-
- egl_dbg("qemu_egl_get_display (dpy %p) ...\n", dpy);
- qemu_egl_display = qemu_egl_get_display(dpy);
+ qemu_egl_display = qemu_egl_get_display(dpy, platform);
if (qemu_egl_display == EGL_NO_DISPLAY) {
error_report("egl: eglGetDisplay failed");
return -1;
}
- egl_dbg("eglInitialize ...\n");
b = eglInitialize(qemu_egl_display, &major, &minor);
if (b == EGL_FALSE) {
error_report("egl: eglInitialize failed");
return -1;
}
- egl_dbg("eglBindAPI ...\n");
- b = eglBindAPI(gles ? EGL_OPENGL_ES_API : EGL_OPENGL_API);
+ b = eglBindAPI(gles ? EGL_OPENGL_ES_API : EGL_OPENGL_API);
if (b == EGL_FALSE) {
- error_report("egl: eglBindAPI failed");
+ error_report("egl: eglBindAPI failed (%s mode)",
+ gles ? "gles" : "core");
return -1;
}
- egl_dbg("eglChooseConfig ...\n");
b = eglChooseConfig(qemu_egl_display,
- gles ? conf_att_gles : conf_att_gl,
+ gles ? conf_att_gles : conf_att_core,
&qemu_egl_config, 1, &n);
if (b == EGL_FALSE || n != 1) {
- error_report("egl: eglChooseConfig failed");
+ error_report("egl: eglChooseConfig failed (%s mode)",
+ gles ? "gles" : "core");
return -1;
}
- egl_gles = gles;
+ qemu_egl_mode = gles ? DISPLAYGL_MODE_ES : DISPLAYGL_MODE_CORE;
return 0;
}
+int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode)
+{
+#ifdef EGL_KHR_platform_x11
+ return qemu_egl_init_dpy(dpy, EGL_PLATFORM_X11_KHR, mode);
+#else
+ return qemu_egl_init_dpy(dpy, 0, mode);
+#endif
+}
+
+int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode)
+{
+#ifdef EGL_MESA_platform_gbm
+ return qemu_egl_init_dpy(dpy, EGL_PLATFORM_GBM_MESA, mode);
+#else
+ return qemu_egl_init_dpy(dpy, 0, mode);
+#endif
+}
+
+#endif
+
+bool qemu_egl_has_dmabuf(void)
+{
+ if (qemu_egl_display == EGL_NO_DISPLAY) {
+ return false;
+ }
+
+ return epoxy_has_egl_extension(qemu_egl_display,
+ "EGL_EXT_image_dma_buf_import");
+}
+
EGLContext qemu_egl_init_ctx(void)
{
- static const EGLint ctx_att_gl[] = {
+ static const EGLint ctx_att_core[] = {
+ EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
EGL_NONE
};
static const EGLint ctx_att_gles[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
-
+ bool gles = (qemu_egl_mode == DISPLAYGL_MODE_ES);
EGLContext ectx;
EGLBoolean b;
- egl_dbg("eglCreateContext ...\n");
ectx = eglCreateContext(qemu_egl_display, qemu_egl_config, EGL_NO_CONTEXT,
- egl_gles ? ctx_att_gles : ctx_att_gl);
+ gles ? ctx_att_gles : ctx_att_core);
if (ectx == EGL_NO_CONTEXT) {
error_report("egl: eglCreateContext failed");
return NULL;