diff options
Diffstat (limited to 'ui/egl-helpers.c')
| -rw-r--r-- | ui/egl-helpers.c | 104 |
1 files changed, 86 insertions, 18 deletions
diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index 4203163ace..8f9fbf583e 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -15,21 +15,23 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ #include "qemu/osdep.h" + #include "qemu/drm.h" #include "qemu/error-report.h" #include "ui/console.h" #include "ui/egl-helpers.h" #include "sysemu/sysemu.h" #include "qapi/error.h" +#include "trace.h" EGLDisplay *qemu_egl_display; EGLConfig qemu_egl_config; DisplayGLMode qemu_egl_mode; +bool qemu_egl_angle_d3d; /* ------------------------------------------------------------------ */ -#if defined(CONFIG_X11) || defined(CONFIG_GBM) -static const char *egl_get_error_string(void) +const char *qemu_egl_get_error_string(void) { EGLint error = eglGetError(); @@ -68,7 +70,6 @@ static const char *egl_get_error_string(void) return "Unknown EGL error"; } } -#endif static void egl_fb_delete_texture(egl_fb *fb) { @@ -171,6 +172,20 @@ void egl_fb_read(DisplaySurface *dst, egl_fb *src) GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst)); } +void egl_fb_read_rect(DisplaySurface *dst, egl_fb *src, int x, int y, int w, int h) +{ + assert(surface_width(dst) == src->width); + assert(surface_height(dst) == src->height); + assert(surface_format(dst) == PIXMAN_x8r8g8b8); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer); + glReadBuffer(GL_COLOR_ATTACHMENT0_EXT); + glPixelStorei(GL_PACK_ROW_LENGTH, surface_stride(dst) / 4); + glReadPixels(x, y, w, h, + GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst) + x * 4); + glPixelStorei(GL_PACK_ROW_LENGTH, 0); +} + void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip) { glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); @@ -201,11 +216,12 @@ void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip, /* ---------------------------------------------------------------------- */ +EGLContext qemu_egl_rn_ctx; + #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) { @@ -402,7 +418,7 @@ EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win) /* ---------------------------------------------------------------------- */ -#if defined(CONFIG_X11) || defined(CONFIG_GBM) +#if defined(CONFIG_X11) || defined(CONFIG_GBM) || defined(WIN32) /* * Taken from glamor_egl.h from the Xorg xserver, which is MIT licensed @@ -439,10 +455,8 @@ static EGLDisplay qemu_egl_get_display(EGLNativeDisplayType native, /* 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 && platform != 0) { - dpy = getPlatformDisplayEXT(platform, native, NULL); + if (platform != 0) { + dpy = eglGetPlatformDisplayEXT(platform, native, NULL); } } @@ -482,20 +496,20 @@ static int qemu_egl_init_dpy(EGLNativeDisplayType dpy, qemu_egl_display = qemu_egl_get_display(dpy, platform); if (qemu_egl_display == EGL_NO_DISPLAY) { - error_report("egl: eglGetDisplay failed: %s", egl_get_error_string()); + error_report("egl: eglGetDisplay failed: %s", qemu_egl_get_error_string()); return -1; } b = eglInitialize(qemu_egl_display, &major, &minor); if (b == EGL_FALSE) { - error_report("egl: eglInitialize failed: %s", egl_get_error_string()); + error_report("egl: eglInitialize failed: %s", qemu_egl_get_error_string()); return -1; } b = eglBindAPI(gles ? EGL_OPENGL_ES_API : EGL_OPENGL_API); if (b == EGL_FALSE) { error_report("egl: eglBindAPI failed (%s mode): %s", - gles ? "gles" : "core", egl_get_error_string()); + gles ? "gles" : "core", qemu_egl_get_error_string()); return -1; } @@ -504,7 +518,7 @@ static int qemu_egl_init_dpy(EGLNativeDisplayType dpy, &qemu_egl_config, 1, &n); if (b == EGL_FALSE || n != 1) { error_report("egl: eglChooseConfig failed (%s mode): %s", - gles ? "gles" : "core", egl_get_error_string()); + gles ? "gles" : "core", qemu_egl_get_error_string()); return -1; } @@ -512,6 +526,9 @@ static int qemu_egl_init_dpy(EGLNativeDisplayType dpy, return 0; } +#endif + +#if defined(CONFIG_X11) || defined(CONFIG_GBM) int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode) { #ifdef EGL_KHR_platform_x11 @@ -529,7 +546,45 @@ int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode) return qemu_egl_init_dpy(dpy, 0, mode); #endif } +#endif + + +#ifdef WIN32 +int qemu_egl_init_dpy_win32(EGLNativeDisplayType dpy, DisplayGLMode mode) +{ + /* prefer GL ES, as that's what ANGLE supports */ + if (mode == DISPLAYGL_MODE_ON) { + mode = DISPLAYGL_MODE_ES; + } + + if (qemu_egl_init_dpy(dpy, 0, mode) < 0) { + return -1; + } + +#ifdef EGL_D3D11_DEVICE_ANGLE + if (epoxy_has_egl_extension(qemu_egl_display, "EGL_EXT_device_query")) { + EGLDeviceEXT device; + void *d3d11_device; + if (!eglQueryDisplayAttribEXT(qemu_egl_display, + EGL_DEVICE_EXT, + (EGLAttrib *)&device)) { + return 0; + } + + if (!eglQueryDeviceAttribEXT(device, + EGL_D3D11_DEVICE_ANGLE, + (EGLAttrib *)&d3d11_device)) { + return 0; + } + + trace_egl_init_d3d11_device(device); + qemu_egl_angle_d3d = device != NULL; + } +#endif + + return 0; +} #endif bool qemu_egl_has_dmabuf(void) @@ -581,15 +636,28 @@ bool egl_init(const char *rendernode, DisplayGLMode mode, Error **errp) return false; } -#ifdef CONFIG_GBM +#ifdef WIN32 + if (qemu_egl_init_dpy_win32(EGL_DEFAULT_DISPLAY, mode) < 0) { + error_setg(errp, "egl: init failed"); + return false; + } + qemu_egl_rn_ctx = qemu_egl_init_ctx(); + if (!qemu_egl_rn_ctx) { + error_setg(errp, "egl: egl_init_ctx failed"); + return false; + } +#elif defined(CONFIG_GBM) if (egl_rendernode_init(rendernode, mode) < 0) { error_setg(errp, "egl: render node init failed"); return false; } +#endif + + if (!qemu_egl_rn_ctx) { + error_setg(errp, "egl: not available on this platform"); + return false; + } + display_opengl = 1; return true; -#else - error_setg(errp, "egl: not available on this platform"); - return false; -#endif } |