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Diffstat (limited to 'render/egl.c')
-rw-r--r--render/egl.c244
1 files changed, 198 insertions, 46 deletions
diff --git a/render/egl.c b/render/egl.c
index 0a68d6e5..b1bd4884 100644
--- a/render/egl.c
+++ b/render/egl.c
@@ -1,4 +1,5 @@
#include <assert.h>
+#include <stdio.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
@@ -11,43 +12,6 @@
// https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_image_base.txt.
// https://cgit.freedesktop.org/mesa/mesa/tree/docs/specs/WL_bind_wayland_display.spec
-const char *egl_error(void) {
- switch (eglGetError()) {
- case EGL_SUCCESS:
- return "Success";
- case EGL_NOT_INITIALIZED:
- return "Not initialized";
- case EGL_BAD_ACCESS:
- return "Bad access";
- case EGL_BAD_ALLOC:
- return "Bad alloc";
- case EGL_BAD_ATTRIBUTE:
- return "Bad attribute";
- case EGL_BAD_CONTEXT:
- return "Bad Context";
- case EGL_BAD_CONFIG:
- return "Bad Config";
- case EGL_BAD_CURRENT_SURFACE:
- return "Bad current surface";
- case EGL_BAD_DISPLAY:
- return "Bad display";
- case EGL_BAD_SURFACE:
- return "Bad surface";
- case EGL_BAD_MATCH:
- return "Bad match";
- case EGL_BAD_PARAMETER:
- return "Bad parameter";
- case EGL_BAD_NATIVE_PIXMAP:
- return "Bad native pixmap";
- case EGL_BAD_NATIVE_WINDOW:
- return "Bad native window";
- case EGL_CONTEXT_LOST:
- return "Context lost";
- default:
- return "Unknown";
- }
-}
-
static bool egl_get_config(EGLDisplay disp, EGLint *attribs, EGLConfig *out,
EGLint visual_id) {
EGLint count = 0, matched = 0, ret;
@@ -83,6 +47,21 @@ static bool egl_get_config(EGLDisplay disp, EGLint *attribs, EGLConfig *out,
return false;
}
+static log_importance_t egl_log_importance_to_wlr(EGLint type) {
+ switch (type) {
+ case EGL_DEBUG_MSG_CRITICAL_KHR: return L_ERROR;
+ case EGL_DEBUG_MSG_ERROR_KHR: return L_ERROR;
+ case EGL_DEBUG_MSG_WARN_KHR: return L_ERROR;
+ case EGL_DEBUG_MSG_INFO_KHR: return L_INFO;
+ default: return L_INFO;
+ }
+}
+
+static void egl_log(EGLenum error, const char *command, EGLint msg_type,
+ EGLLabelKHR thread, EGLLabelKHR obj, const char *msg) {
+ _wlr_log(egl_log_importance_to_wlr(msg_type), "[EGL] %s: %s", command, msg);
+}
+
static bool check_egl_ext(const char *egl_exts, const char *ext) {
size_t extlen = strlen(ext);
const char *end = egl_exts + strlen(egl_exts);
@@ -101,14 +80,45 @@ static bool check_egl_ext(const char *egl_exts, const char *ext) {
return false;
}
+static void print_dmabuf_formats(struct wlr_egl *egl) {
+ /* Avoid log msg if extension is not present */
+ if (!egl->egl_exts.dmabuf_import_modifiers) {
+ return;
+ }
+
+ int *formats;
+ int num = wlr_egl_get_dmabuf_formats(egl, &formats);
+ if (num < 0) {
+ return;
+ }
+
+ char str_formats[num * 5 + 1];
+ for (int i = 0; i < num; i++) {
+ snprintf(&str_formats[i*5], (num - i) * 5 + 1, "%.4s ", (char*)&formats[i]);
+ }
+ wlr_log(L_INFO, "Supported dmabuf buffer formats: %s", str_formats);
+ free(formats);
+}
+
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
EGLint *config_attribs, EGLint visual_id) {
if (!load_glapi()) {
return false;
}
+ if (eglDebugMessageControlKHR) {
+ static const EGLAttrib debug_attribs[] = {
+ EGL_DEBUG_MSG_CRITICAL_KHR, EGL_TRUE,
+ EGL_DEBUG_MSG_ERROR_KHR, EGL_TRUE,
+ EGL_DEBUG_MSG_WARN_KHR, EGL_TRUE,
+ EGL_DEBUG_MSG_INFO_KHR, EGL_TRUE,
+ EGL_NONE,
+ };
+ eglDebugMessageControlKHR(egl_log, debug_attribs);
+ }
+
if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_FALSE) {
- wlr_log(L_ERROR, "Failed to bind to the OpenGL ES API: %s", egl_error());
+ wlr_log(L_ERROR, "Failed to bind to the OpenGL ES API");
goto error;
}
@@ -119,13 +129,13 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
egl->display = eglGetPlatformDisplayEXT(platform, remote_display, NULL);
}
if (egl->display == EGL_NO_DISPLAY) {
- wlr_log(L_ERROR, "Failed to create EGL display: %s", egl_error());
+ wlr_log(L_ERROR, "Failed to create EGL display");
goto error;
}
EGLint major, minor;
if (eglInitialize(egl->display, &major, &minor) == EGL_FALSE) {
- wlr_log(L_ERROR, "Failed to initialize EGL: %s", egl_error());
+ wlr_log(L_ERROR, "Failed to initialize EGL");
goto error;
}
@@ -140,7 +150,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
EGL_NO_CONTEXT, attribs);
if (egl->context == EGL_NO_CONTEXT) {
- wlr_log(L_ERROR, "Failed to create EGL context: %s", egl_error());
+ wlr_log(L_ERROR, "Failed to create EGL context");
goto error;
}
@@ -167,16 +177,29 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
check_egl_ext(egl->egl_exts_str, "EGL_EXT_swap_buffers_with_damage") ||
check_egl_ext(egl->egl_exts_str, "EGL_KHR_swap_buffers_with_damage");
+ egl->egl_exts.dmabuf_import =
+ check_egl_ext(egl->egl_exts_str, "EGL_EXT_image_dma_buf_import");
+ egl->egl_exts.dmabuf_import_modifiers =
+ check_egl_ext(egl->egl_exts_str, "EGL_EXT_image_dma_buf_import_modifiers")
+ && eglQueryDmaBufFormatsEXT && eglQueryDmaBufModifiersEXT;
+ print_dmabuf_formats(egl);
+
return true;
error:
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
- eglTerminate(egl->display);
+ if (egl->display) {
+ eglTerminate(egl->display);
+ }
eglReleaseThread();
return false;
}
void wlr_egl_finish(struct wlr_egl *egl) {
+ if (egl == NULL) {
+ return;
+ }
+
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (egl->wl_display && eglUnbindWaylandDisplayWL) {
eglUnbindWaylandDisplayWL(egl->display, egl->wl_display);
@@ -231,7 +254,7 @@ EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window) {
EGLSurface surf = eglCreatePlatformWindowSurfaceEXT(egl->display, egl->config,
window, NULL);
if (surf == EGL_NO_SURFACE) {
- wlr_log(L_ERROR, "Failed to create EGL surface: %s", egl_error());
+ wlr_log(L_ERROR, "Failed to create EGL surface");
return EGL_NO_SURFACE;
}
return surf;
@@ -246,7 +269,7 @@ int wlr_egl_get_buffer_age(struct wlr_egl *egl, EGLSurface surface) {
EGLBoolean ok = eglQuerySurface(egl->display, surface,
EGL_BUFFER_AGE_EXT, &buffer_age);
if (!ok) {
- wlr_log(L_ERROR, "Failed to get EGL surface buffer age: %s", egl_error());
+ wlr_log(L_ERROR, "Failed to get EGL surface buffer age");
return -1;
}
@@ -256,7 +279,7 @@ int wlr_egl_get_buffer_age(struct wlr_egl *egl, EGLSurface surface) {
bool wlr_egl_make_current(struct wlr_egl *egl, EGLSurface surface,
int *buffer_age) {
if (!eglMakeCurrent(egl->display, surface, surface, egl->context)) {
- wlr_log(L_ERROR, "eglMakeCurrent failed: %s", egl_error());
+ wlr_log(L_ERROR, "eglMakeCurrent failed");
return false;
}
@@ -294,8 +317,137 @@ bool wlr_egl_swap_buffers(struct wlr_egl *egl, EGLSurface surface,
}
if (!ret) {
- wlr_log(L_ERROR, "eglSwapBuffers failed: %s", egl_error());
+ wlr_log(L_ERROR, "eglSwapBuffers failed");
return false;
}
return true;
}
+
+EGLImage wlr_egl_create_image_from_dmabuf(struct wlr_egl *egl,
+ struct wlr_dmabuf_buffer_attribs *attributes) {
+ int atti = 0;
+ EGLint attribs[20];
+ attribs[atti++] = EGL_WIDTH;
+ attribs[atti++] = attributes->width;
+ attribs[atti++] = EGL_HEIGHT;
+ attribs[atti++] = attributes->height;
+ attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
+ attribs[atti++] = attributes->format;
+
+ bool has_modifier = false;
+ if (attributes->modifier[0] != DRM_FORMAT_MOD_INVALID) {
+ if (!egl->egl_exts.dmabuf_import_modifiers) {
+ return NULL;
+ }
+ has_modifier = true;
+ }
+
+ /* TODO: YUV planes have up four planes but we only support a
+ single EGLImage for now */
+ if (attributes->n_planes > 1) {
+ return NULL;
+ }
+
+ attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
+ attribs[atti++] = attributes->fd[0];
+ attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
+ attribs[atti++] = attributes->offset[0];
+ attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
+ attribs[atti++] = attributes->stride[0];
+ if (has_modifier) {
+ attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
+ attribs[atti++] = attributes->modifier[0] & 0xFFFFFFFF;
+ attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
+ attribs[atti++] = attributes->modifier[0] >> 32;
+ }
+ attribs[atti++] = EGL_NONE;
+ return eglCreateImageKHR(egl->display, EGL_NO_CONTEXT,
+ EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
+}
+
+#ifndef DRM_FORMAT_BIG_ENDIAN
+# define DRM_FORMAT_BIG_ENDIAN 0x80000000
+#endif
+bool wlr_egl_check_import_dmabuf(struct wlr_egl *egl,
+ struct wlr_dmabuf_buffer *dmabuf) {
+ switch (dmabuf->attributes.format & ~DRM_FORMAT_BIG_ENDIAN) {
+ /* YUV based formats not yet supported */
+ case WL_SHM_FORMAT_YUYV:
+ case WL_SHM_FORMAT_YVYU:
+ case WL_SHM_FORMAT_UYVY:
+ case WL_SHM_FORMAT_VYUY:
+ case WL_SHM_FORMAT_AYUV:
+ return false;
+ default:
+ break;
+ }
+
+ EGLImage egl_image = wlr_egl_create_image_from_dmabuf(egl,
+ &dmabuf->attributes);
+ if (egl_image) {
+ /* We can import the image, good. No need to keep it
+ since wlr_texture_upload_dmabuf will import it again */
+ wlr_egl_destroy_image(egl, egl_image);
+ return true;
+ }
+ /* TODO: import yuv dmabufs */
+ return false;
+}
+
+int wlr_egl_get_dmabuf_formats(struct wlr_egl *egl,
+ int **formats) {
+ if (!egl->egl_exts.dmabuf_import ||
+ !egl->egl_exts.dmabuf_import_modifiers) {
+ wlr_log(L_ERROR, "dmabuf extension not present");
+ return -1;
+ }
+
+ EGLint num;
+ if (!eglQueryDmaBufFormatsEXT(egl->display, 0, NULL, &num)) {
+ wlr_log(L_ERROR, "failed to query number of dmabuf formats");
+ return -1;
+ }
+
+ *formats = calloc(num, sizeof(int));
+ if (*formats == NULL) {
+ wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
+ return -1;
+ }
+
+ if (!eglQueryDmaBufFormatsEXT(egl->display, num, *formats, &num)) {
+ wlr_log(L_ERROR, "failed to query dmabuf format");
+ free(*formats);
+ return -1;
+ }
+ return num;
+}
+
+int wlr_egl_get_dmabuf_modifiers(struct wlr_egl *egl,
+ int format, uint64_t **modifiers) {
+ if (!egl->egl_exts.dmabuf_import ||
+ !egl->egl_exts.dmabuf_import_modifiers) {
+ wlr_log(L_ERROR, "dmabuf extension not present");
+ return -1;
+ }
+
+ EGLint num;
+ if (!eglQueryDmaBufModifiersEXT(egl->display, format, 0,
+ NULL, NULL, &num)) {
+ wlr_log(L_ERROR, "failed to query dmabuf number of modifiers");
+ return -1;
+ }
+
+ *modifiers = calloc(num, sizeof(uint64_t));
+ if (*modifiers == NULL) {
+ wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
+ return -1;
+ }
+
+ if (!eglQueryDmaBufModifiersEXT(egl->display, format, num,
+ *modifiers, NULL, &num)) {
+ wlr_log(L_ERROR, "failed to query dmabuf modifiers");
+ free(*modifiers);
+ return -1;
+ }
+ return num;
+}