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-rw-r--r--backend/drm/renderer.c3
-rw-r--r--backend/meson.build2
-rwxr-xr-xglgen.sh91
-rw-r--r--include/wlr/egl.h9
-rw-r--r--meson.build6
-rw-r--r--render/egl.c61
-rw-r--r--render/glapi.txt8
-rw-r--r--render/gles2/renderer.c20
-rw-r--r--render/meson.build20
9 files changed, 143 insertions, 77 deletions
diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c
index c5840436..0d338490 100644
--- a/backend/drm/renderer.c
+++ b/backend/drm/renderer.c
@@ -14,6 +14,7 @@
#include <wlr/render/gles2.h>
#include <wlr/render.h>
#include "backend/drm/drm.h"
+#include "render/glapi.h"
bool wlr_drm_renderer_init(struct wlr_drm_backend *drm,
struct wlr_drm_renderer *renderer) {
@@ -191,7 +192,7 @@ static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer, str
EGL_NONE,
};
- tex->img = renderer->egl.eglCreateImageKHR(renderer->egl.display, EGL_NO_CONTEXT,
+ tex->img = eglCreateImageKHR(renderer->egl.display, EGL_NO_CONTEXT,
EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
if (!tex->img) {
wlr_log(L_ERROR, "Failed to create EGL image: %s", egl_error());
diff --git a/backend/meson.build b/backend/meson.build
index c5c73288..cf62a56f 100644
--- a/backend/meson.build
+++ b/backend/meson.build
@@ -38,5 +38,5 @@ lib_wlr_backend = static_library(
'wlr_backend',
backend_files,
include_directories: wlr_inc,
- dependencies: [wayland_server, egl, gbm, libinput, systemd, elogind, wlr_protos],
+ dependencies: [wayland_server, egl, gbm, libinput, systemd, elogind, wlr_render, wlr_protos],
)
diff --git a/glgen.sh b/glgen.sh
new file mode 100755
index 00000000..d9de6f9f
--- /dev/null
+++ b/glgen.sh
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+# Generates a simple GL/EGL extension function loader.
+#
+# The input is a .txt file, with each function to load on its own line.
+# If a line starts with a -, it is optional, and will not cause the loader
+# to fail if it can't load the function. You'll need to check if that function
+# is NULL before using it.
+
+if [ $# -ne 2 ]; then
+ exit 1
+fi
+
+SPEC=$1
+OUT=$2
+
+BASE=$(basename "$SPEC" .txt)
+INCLUDE_GUARD=$(printf %s "$SPEC" | tr -c [:alnum:] _ | tr [:lower:] [:upper:])
+
+DECL=""
+DEFN=""
+LOADER=""
+
+DECL_FMT='extern %s %s;'
+DEFN_FMT='%s %s;'
+LOADER_FMT='%s = (%s)eglGetProcAddress("%s");'
+CHECK_FMT='if (!%s) {
+ wlr_log(L_ERROR, "Unable to load %s");
+ return false;
+}'
+
+while read -r COMMAND; do
+ [ ${COMMAND::1} = "-" ]
+ OPTIONAL=$?
+
+ COMMAND=${COMMAND#-}
+ if [ ${COMMAND: -2} = "WL" ]; then
+ FUNC_PTR_FMT='PFN%s'
+ else
+ FUNC_PTR_FMT='PFN%sPROC'
+ fi
+
+ FUNC_PTR=$(printf "$FUNC_PTR_FMT" "$COMMAND" | tr [:lower:] [:upper:])
+
+ DECL="$DECL$(printf "\n$DECL_FMT" "$FUNC_PTR" "$COMMAND")"
+ DEFN="$DEFN$(printf "\n$DEFN_FMT" "$FUNC_PTR" "$COMMAND")"
+ LOADER="$LOADER$(printf "\n$LOADER_FMT" "$COMMAND" "$FUNC_PTR" "$COMMAND")"
+
+ if [ $OPTIONAL -ne 0 ]; then
+ LOADER="$LOADER$(printf "\n$CHECK_FMT" "$COMMAND" "$COMMAND")"
+ fi
+done < $SPEC
+
+if [ ${OUT: -2} = '.h' ]; then
+ cat > $OUT << EOF
+ #ifndef $INCLUDE_GUARD
+ #define $INCLUDE_GUARD
+
+ #include <stdbool.h>
+
+ #include <EGL/egl.h>
+ #include <EGL/eglext.h>
+ #include <EGL/eglmesaext.h>
+ #include <GLES2/gl2.h>
+ #include <GLES2/gl2ext.h>
+
+ bool load_$BASE(void);
+ $DECL
+
+ #endif
+EOF
+elif [ ${OUT: -2} = '.c' ]; then
+ cat > $OUT << EOF
+ #include <wlr/util/log.h>
+ #include "$BASE.h"
+ $DEFN
+
+ bool load_$BASE(void) {
+ static bool done = false;
+ if (done) {
+ return true;
+ }
+ $LOADER
+
+ done = true;
+ return true;
+ }
+EOF
+else
+ exit 1
+fi
diff --git a/include/wlr/egl.h b/include/wlr/egl.h
index 25329175..9ab4d9ce 100644
--- a/include/wlr/egl.h
+++ b/include/wlr/egl.h
@@ -10,15 +10,6 @@ struct wlr_egl {
EGLConfig config;
EGLContext context;
- PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display;
- PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window_surface;
-
- PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
- PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
- PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL;
- PFNEGLBINDWAYLANDDISPLAYWL eglBindWaylandDisplayWL;
- PFNEGLUNBINDWAYLANDDISPLAYWL eglUnbindWaylandDisplayWL;
-
const char *egl_exts;
const char *gl_exts;
diff --git a/meson.build b/meson.build
index 57c26b0f..179550d6 100644
--- a/meson.build
+++ b/meson.build
@@ -14,6 +14,10 @@ add_project_arguments(
'-DWLR_SRC_DIR="@0@"'.format(meson.source_root()),
language: 'c',
)
+add_project_arguments(
+ '-I@0@'.format(meson.build_root()),
+ language: 'c',
+)
add_project_link_arguments(
'-Wl,-rpath,@0@'.format(meson.build_root()),
language: 'c',
@@ -69,8 +73,8 @@ if elogind.found() and get_option('enable_elogind')
endif
subdir('protocol')
-subdir('backend')
subdir('render')
+subdir('backend')
subdir('types')
subdir('util')
subdir('xcursor')
diff --git a/render/egl.c b/render/egl.c
index 82dea50c..9815b923 100644
--- a/render/egl.c
+++ b/render/egl.c
@@ -4,6 +4,7 @@
#include <stdlib.h>
#include <wlr/util/log.h>
#include <wlr/egl.h>
+#include "render/glapi.h"
// Extension documentation
// https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_image_base.txt.
@@ -46,27 +47,6 @@ const char *egl_error(void) {
}
}
-static bool egl_exts(struct wlr_egl *egl) {
- egl->get_platform_display = (PFNEGLGETPLATFORMDISPLAYEXTPROC)
- eglGetProcAddress("eglGetPlatformDisplayEXT");
-
- if (!egl->get_platform_display) {
- wlr_log(L_ERROR, "Failed to load EGL extension 'eglGetPlatformDisplayEXT'");
- return false;
- }
-
- egl->create_platform_window_surface = (PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC)
- eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
-
- if (!egl->create_platform_window_surface) {
- wlr_log(L_ERROR,
- "Failed to load EGL extension 'eglCreatePlatformWindowSurfaceEXT'");
- return false;
- }
-
- return true;
-}
-
static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLint visual_id) {
EGLint count = 0, matched = 0, ret;
@@ -103,7 +83,7 @@ static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLint visual_id) {
bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id,
void *remote_display) {
- if (!egl_exts(egl)) {
+ if (!load_glapi()) {
return false;
}
@@ -112,7 +92,7 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id,
goto error;
}
- egl->display = egl->get_platform_display(platform, remote_display, NULL);
+ 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());
goto error;
@@ -142,22 +122,11 @@ bool wlr_egl_init(struct wlr_egl *egl, EGLenum platform, EGLint visual_id,
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl->context);
egl->egl_exts = eglQueryString(egl->display, EGL_EXTENSIONS);
if (strstr(egl->egl_exts, "EGL_WL_bind_wayland_display") == NULL ||
- strstr(egl->egl_exts, "EGL_KHR_image_base") == NULL) {
+ strstr(egl->egl_exts, "EGL_KHR_image_base") == NULL) {
wlr_log(L_ERROR, "Required egl extensions not supported");
goto error;
}
- egl->eglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC)
- eglGetProcAddress("eglCreateImageKHR");
- egl->eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC)
- eglGetProcAddress("eglDestroyImageKHR");
- egl->eglQueryWaylandBufferWL = (PFNEGLQUERYWAYLANDBUFFERWL)
- (void*) eglGetProcAddress("eglQueryWaylandBufferWL");
- egl->eglBindWaylandDisplayWL = (PFNEGLBINDWAYLANDDISPLAYWL)
- (void*) eglGetProcAddress("eglBindWaylandDisplayWL");
- egl->eglUnbindWaylandDisplayWL = (PFNEGLUNBINDWAYLANDDISPLAYWL)
- (void*) eglGetProcAddress("eglUnbindWaylandDisplayWL");
-
egl->gl_exts = (const char*) glGetString(GL_EXTENSIONS);
wlr_log(L_INFO, "Using EGL %d.%d", (int)major, (int)minor);
wlr_log(L_INFO, "Supported EGL extensions: %s", egl->egl_exts);
@@ -174,8 +143,8 @@ error:
void wlr_egl_free(struct wlr_egl *egl) {
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
- if (egl->wl_display && egl->eglUnbindWaylandDisplayWL) {
- egl->eglUnbindWaylandDisplayWL(egl->display, egl->wl_display);
+ if (egl->wl_display && eglUnbindWaylandDisplayWL) {
+ eglUnbindWaylandDisplayWL(egl->display, egl->wl_display);
}
eglDestroyContext(egl->display, egl->context);
@@ -184,11 +153,11 @@ void wlr_egl_free(struct wlr_egl *egl) {
}
bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display) {
- if (!egl->eglBindWaylandDisplayWL) {
+ if (!eglBindWaylandDisplayWL) {
return false;
}
- if (egl->eglBindWaylandDisplayWL(egl->display, local_display)) {
+ if (eglBindWaylandDisplayWL(egl->display, local_display)) {
egl->wl_display = local_display;
return true;
}
@@ -198,33 +167,33 @@ bool wlr_egl_bind_display(struct wlr_egl *egl, struct wl_display *local_display)
bool wlr_egl_query_buffer(struct wlr_egl *egl, struct wl_resource *buf,
int attrib, int *value) {
- if (!egl->eglQueryWaylandBufferWL) {
+ if (!eglQueryWaylandBufferWL) {
return false;
}
- return egl->eglQueryWaylandBufferWL(egl->display, buf, attrib, value);
+ return eglQueryWaylandBufferWL(egl->display, buf, attrib, value);
}
EGLImage wlr_egl_create_image(struct wlr_egl *egl, EGLenum target,
EGLClientBuffer buffer, const EGLint *attribs) {
- if (!egl->eglCreateImageKHR) {
+ if (!eglCreateImageKHR) {
return false;
}
- return egl->eglCreateImageKHR(egl->display, egl->context, target,
+ return eglCreateImageKHR(egl->display, egl->context, target,
buffer, attribs);
}
bool wlr_egl_destroy_image(struct wlr_egl *egl, EGLImage image) {
- if (!egl->eglDestroyImageKHR) {
+ if (!eglDestroyImageKHR) {
return false;
}
- egl->eglDestroyImageKHR(egl->display, image);
+ eglDestroyImageKHR(egl->display, image);
return true;
}
EGLSurface wlr_egl_create_surface(struct wlr_egl *egl, void *window) {
- EGLSurface surf = egl->create_platform_window_surface(egl->display, egl->config,
+ 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());
diff --git a/render/glapi.txt b/render/glapi.txt
new file mode 100644
index 00000000..81791204
--- /dev/null
+++ b/render/glapi.txt
@@ -0,0 +1,8 @@
+eglGetPlatformDisplayEXT
+eglCreatePlatformWindowSurfaceEXT
+-eglCreateImageKHR
+-eglDestroyImageKHR
+-eglQueryWaylandBufferWL
+-eglBindWaylandDisplayWL
+-eglUnbindWaylandDisplayWL
+-glEGLImageTargetTexture2DOES
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c
index d6c22ebe..325e1571 100644
--- a/render/gles2/renderer.c
+++ b/render/gles2/renderer.c
@@ -12,8 +12,8 @@
#include <wlr/render/matrix.h>
#include <wlr/util/log.h>
#include "render/gles2.h"
+#include "render/glapi.h"
-PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES = NULL;
struct shaders shaders;
static bool compile_shader(GLuint type, const GLchar *src, GLuint *shader) {
@@ -101,25 +101,7 @@ error:
wlr_log(L_ERROR, "Failed to set up default shaders!");
}
-static void init_image_ext() {
- if (glEGLImageTargetTexture2DOES) {
- return;
- }
-
- const char *exts = (const char*) glGetString(GL_EXTENSIONS);
- if (strstr(exts, "GL_OES_EGL_image_external")) {
- glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
- eglGetProcAddress("glEGLImageTargetTexture2DOES");
- }
-
- if (!glEGLImageTargetTexture2DOES) {
- wlr_log(L_INFO, "Failed to load glEGLImageTargetTexture2DOES "
- "Will not be able to attach drm buffers");
- }
-}
-
static void init_globals() {
- init_image_ext();
init_default_shaders();
}
diff --git a/render/meson.build b/render/meson.build
index dc0ceeb9..749d1393 100644
--- a/render/meson.build
+++ b/render/meson.build
@@ -1,3 +1,16 @@
+glgen = find_program('../glgen.sh')
+
+glapi_c = custom_target('glapi.c',
+ input: 'glapi.txt',
+ output: '@BASENAME@.c',
+ command: [glgen, '@INPUT@', '@OUTPUT@'],
+)
+glapi_h = custom_target('glapi.h',
+ input: 'glapi.txt',
+ output: '@BASENAME@.h',
+ command: [glgen, '@INPUT@', '@OUTPUT@'],
+)
+
lib_wlr_render = static_library(
'wlr_render',
files(
@@ -11,6 +24,13 @@ lib_wlr_render = static_library(
'wlr_renderer.c',
'wlr_texture.c',
),
+ glapi_c,
+ glapi_h,
include_directories: wlr_inc,
dependencies: [glesv2, egl],
)
+
+wlr_render = declare_dependency(
+ link_with: lib_wlr_render,
+ sources: glapi_h,
+)
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 09:42:02 +0000