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render/egl: explicit client extension handling

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Prior to this commit, wlr_egl_init seemed to assume the extension string
queried via EGL_NO_DISPLAY was a subset of the extension string queried
via an initialized display. This isn't correct.

EGL_EXT_client_extensions [1] defines two types of extensions: client
extensions and display extensions. The set of supported client and
display extensions are disjoint (ie. an extension is either a client or
a display extension, not both). Client extensions are queried via
EGL_NO_DISPLAY, display extensions are queried via an initialized
display.

Rename the variables to make this clear. Remove the misleading comment.
Log both client and display extensions.

[1]: https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_client_extensions.txt
This commit is contained in:
Simon Ser 2020-06-10 14:18:04 +02:00
parent 79e03c7d45
commit 7f9bbaaa17
1 changed files with 25 additions and 21 deletions
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46
render/egl.c
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@ -145,16 +145,17 @@ out:
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display, bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
const EGLint *config_attribs, EGLint visual_id) { const EGLint *config_attribs, EGLint visual_id) {
// Check for EGL_EXT_platform_base before creating a display, because we const char *client_exts_str = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
// actually use this extension to create displays. Check for EGL_KHR_debug if (client_exts_str == NULL) {
// before creating display to get EGL logs as soon as possible. if (eglGetError() == EGL_BAD_DISPLAY) {
const char *exts_str = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); wlr_log(WLR_ERROR, "EGL_EXT_client_extensions not supported");
if (exts_str == NULL) { } else {
wlr_log(WLR_ERROR, "Failed to query EGL extensions"); wlr_log(WLR_ERROR, "Failed to query EGL client extensions");
}
return false; return false;
} }
if (!check_egl_ext(exts_str, "EGL_EXT_platform_base")) { if (!check_egl_ext(client_exts_str, "EGL_EXT_platform_base")) {
wlr_log(WLR_ERROR, "EGL_EXT_platform_base not supported"); wlr_log(WLR_ERROR, "EGL_EXT_platform_base not supported");
return false; return false;
} }
@ -163,7 +164,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
load_egl_proc(&egl->procs.eglCreatePlatformWindowSurfaceEXT, load_egl_proc(&egl->procs.eglCreatePlatformWindowSurfaceEXT,
"eglCreatePlatformWindowSurfaceEXT"); "eglCreatePlatformWindowSurfaceEXT");
if (check_egl_ext(exts_str, "EGL_KHR_debug")) { if (check_egl_ext(client_exts_str, "EGL_KHR_debug")) {
load_egl_proc(&egl->procs.eglDebugMessageControlKHR, load_egl_proc(&egl->procs.eglDebugMessageControlKHR,
"eglDebugMessageControlKHR"); "eglDebugMessageControlKHR");
@ -197,34 +198,36 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
goto error; goto error;
} }
exts_str = eglQueryString(egl->display, EGL_EXTENSIONS); const char *display_exts_str = eglQueryString(egl->display, EGL_EXTENSIONS);
if (exts_str == NULL) { if (display_exts_str == NULL) {
wlr_log(WLR_ERROR, "Failed to query EGL extensions"); wlr_log(WLR_ERROR, "Failed to query EGL display extensions");
return false; return false;
} }
if (check_egl_ext(exts_str, "EGL_KHR_image_base")) { if (check_egl_ext(display_exts_str, "EGL_KHR_image_base")) {
egl->exts.image_base_khr = true; egl->exts.image_base_khr = true;
load_egl_proc(&egl->procs.eglCreateImageKHR, "eglCreateImageKHR"); load_egl_proc(&egl->procs.eglCreateImageKHR, "eglCreateImageKHR");
load_egl_proc(&egl->procs.eglDestroyImageKHR, "eglDestroyImageKHR"); load_egl_proc(&egl->procs.eglDestroyImageKHR, "eglDestroyImageKHR");
} }
egl->exts.buffer_age_ext = egl->exts.buffer_age_ext =
check_egl_ext(exts_str, "EGL_EXT_buffer_age"); check_egl_ext(display_exts_str, "EGL_EXT_buffer_age");
if (check_egl_ext(exts_str, "EGL_KHR_swap_buffers_with_damage")) { if (check_egl_ext(display_exts_str, "EGL_KHR_swap_buffers_with_damage")) {
egl->exts.swap_buffers_with_damage = true; egl->exts.swap_buffers_with_damage = true;
load_egl_proc(&egl->procs.eglSwapBuffersWithDamage, load_egl_proc(&egl->procs.eglSwapBuffersWithDamage,
"eglSwapBuffersWithDamageKHR"); "eglSwapBuffersWithDamageKHR");
} else if (check_egl_ext(exts_str, "EGL_EXT_swap_buffers_with_damage")) { } else if (check_egl_ext(display_exts_str,
"EGL_EXT_swap_buffers_with_damage")) {
egl->exts.swap_buffers_with_damage = true; egl->exts.swap_buffers_with_damage = true;
load_egl_proc(&egl->procs.eglSwapBuffersWithDamage, load_egl_proc(&egl->procs.eglSwapBuffersWithDamage,
"eglSwapBuffersWithDamageEXT"); "eglSwapBuffersWithDamageEXT");
} }
egl->exts.image_dmabuf_import_ext = egl->exts.image_dmabuf_import_ext =
check_egl_ext(exts_str, "EGL_EXT_image_dma_buf_import"); check_egl_ext(display_exts_str, "EGL_EXT_image_dma_buf_import");
if (check_egl_ext(exts_str, "EGL_EXT_image_dma_buf_import_modifiers")) { if (check_egl_ext(display_exts_str,
"EGL_EXT_image_dma_buf_import_modifiers")) {
egl->exts.image_dmabuf_import_modifiers_ext = true; egl->exts.image_dmabuf_import_modifiers_ext = true;
load_egl_proc(&egl->procs.eglQueryDmaBufFormatsEXT, load_egl_proc(&egl->procs.eglQueryDmaBufFormatsEXT,
"eglQueryDmaBufFormatsEXT"); "eglQueryDmaBufFormatsEXT");
@ -232,7 +235,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
"eglQueryDmaBufModifiersEXT"); "eglQueryDmaBufModifiersEXT");
} }
if (check_egl_ext(exts_str, "EGL_MESA_image_dma_buf_export")) { if (check_egl_ext(display_exts_str, "EGL_MESA_image_dma_buf_export")) {
egl->exts.image_dma_buf_export_mesa = true; egl->exts.image_dma_buf_export_mesa = true;
load_egl_proc(&egl->procs.eglExportDMABUFImageQueryMESA, load_egl_proc(&egl->procs.eglExportDMABUFImageQueryMESA,
"eglExportDMABUFImageQueryMESA"); "eglExportDMABUFImageQueryMESA");
@ -240,7 +243,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
"eglExportDMABUFImageMESA"); "eglExportDMABUFImageMESA");
} }
if (check_egl_ext(exts_str, "EGL_WL_bind_wayland_display")) { if (check_egl_ext(display_exts_str, "EGL_WL_bind_wayland_display")) {
egl->exts.bind_wayland_display_wl = true; egl->exts.bind_wayland_display_wl = true;
load_egl_proc(&egl->procs.eglBindWaylandDisplayWL, load_egl_proc(&egl->procs.eglBindWaylandDisplayWL,
"eglBindWaylandDisplayWL"); "eglBindWaylandDisplayWL");
@ -256,13 +259,14 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, void *remote_display,
} }
wlr_log(WLR_INFO, "Using EGL %d.%d", (int)major, (int)minor); wlr_log(WLR_INFO, "Using EGL %d.%d", (int)major, (int)minor);
wlr_log(WLR_INFO, "Supported EGL extensions: %s", exts_str); wlr_log(WLR_INFO, "Supported EGL client extensions: %s", client_exts_str);
wlr_log(WLR_INFO, "Supported EGL display extensions: %s", display_exts_str);
wlr_log(WLR_INFO, "EGL vendor: %s", eglQueryString(egl->display, EGL_VENDOR)); wlr_log(WLR_INFO, "EGL vendor: %s", eglQueryString(egl->display, EGL_VENDOR));
init_dmabuf_formats(egl); init_dmabuf_formats(egl);
bool ext_context_priority = bool ext_context_priority =
check_egl_ext(exts_str, "EGL_IMG_context_priority"); check_egl_ext(display_exts_str, "EGL_IMG_context_priority");
size_t atti = 0; size_t atti = 0;
EGLint attribs[5]; EGLint attribs[5];