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From 83339a659017402745437c03240d1837cad3649f Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Thu, 14 Jan 2010 16:05:36 +0800
Subject: [PATCH 3/6] st/egl: Add support for loading st_api modules.
---
src/gallium/state_trackers/egl/common/egl_st_api.c | 116 ++++++++++++++++++++
src/gallium/state_trackers/egl/common/egl_st_api.h | 46 ++++++++
2 files changed, 162 insertions(+), 0 deletions(-)
create mode 100644 src/gallium/state_trackers/egl/common/egl_st_api.c
create mode 100644 src/gallium/state_trackers/egl/common/egl_st_api.h
diff --git a/src/gallium/state_trackers/egl/common/egl_st_api.c b/src/gallium/state_trackers/egl/common/egl_st_api.c
new file mode 100644
index 0000000..bfcc49e
--- /dev/null
+++ b/src/gallium/state_trackers/egl/common/egl_st_api.c
@@ -0,0 +1,116 @@
+#include "util/u_memory.h"
+#include "util/u_dl.h"
+#include "eglimage.h"
+
+#include "egl_st_api.h"
+
+struct egl_g3d_st_manager {
+ struct st_manager base;
+ _EGLDisplay *display;
+};
+
+static INLINE struct egl_g3d_st_manager *
+egl_g3d_st_manager(struct st_manager *smapi)
+{
+ return (struct egl_g3d_st_manager *) smapi;
+}
+
+static void *
+egl_g3d_st_manager_lock_resource(struct st_manager *smapi,
+ struct st_context_iface *stctxi,
+ enum st_manager_resource_type type,
+ void *res)
+{
+ struct egl_g3d_st_manager *gsmapi = egl_g3d_st_manager(smapi);
+ void *ret;
+
+ switch (type) {
+ case ST_MANAGER_RESOURCE_EGL_IMAGE:
+ {
+ EGLImageKHR handle = (EGLImageKHR) res;
+ _EGLImage *img = _eglLookupImage(handle, gsmapi->display);
+
+ /* TODO retrieve the pipe texture of the image */
+ (void) img;
+
+ ret = NULL;
+ }
+ break;
+ default:
+ ret = NULL;
+ break;
+ }
+
+ return ret;
+}
+
+static void
+egl_g3d_st_manager_unlock_resource(struct st_manager *smapi,
+ struct st_context_iface *stctxi,
+ enum st_manager_resource_type type,
+ void *res)
+{
+}
+
+struct st_manager *
+egl_g3d_create_st_manager(_EGLDisplay *dpy)
+{
+ struct egl_g3d_st_manager *gsmapi;
+
+ gsmapi = CALLOC_STRUCT(egl_g3d_st_manager);
+ if (gsmapi) {
+ gsmapi->display = dpy;
+
+ gsmapi->base.lock_resource = egl_g3d_st_manager_lock_resource;
+ gsmapi->base.unlock_resource = egl_g3d_st_manager_unlock_resource;
+ }
+
+ return &gsmapi->base;;
+}
+
+void
+egl_g3d_destroy_st_manager(struct st_manager *smapi)
+{
+ struct egl_g3d_st_manager *gsmapi = egl_g3d_st_manager(smapi);
+ free(gsmapi);
+}
+
+struct st_api *
+egl_g3d_create_st_api(enum st_api_type api)
+{
+ const char *stmod_name;
+ struct util_dl_library *lib;
+ const struct st_module *mod;
+
+ switch (api) {
+ case ST_API_OPENGL:
+ stmod_name = ST_MODULE_OPENGL_SYMBOL;
+ break;
+ case ST_API_OPENGL_ES1:
+ stmod_name = ST_MODULE_OPENGL_ES1_SYMBOL;
+ break;
+ case ST_API_OPENGL_ES2:
+ stmod_name = ST_MODULE_OPENGL_ES2_SYMBOL;
+ break;
+ case ST_API_OPENVG:
+ stmod_name = ST_MODULE_OPENVG_SYMBOL;
+ break;
+ default:
+ stmod_name = NULL;
+ break;
+ }
+ if (!stmod_name)
+ return NULL;
+
+ mod = NULL;
+ lib = util_dl_open(NULL);
+ if (lib) {
+ mod = (const struct st_module *)
+ util_dl_get_proc_address(lib, stmod_name);
+ util_dl_close(lib);
+ }
+ if (!mod || mod->api != api)
+ return NULL;
+
+ return mod->create_api();
+}
diff --git a/src/gallium/state_trackers/egl/common/egl_st_api.h b/src/gallium/state_trackers/egl/common/egl_st_api.h
new file mode 100644
index 0000000..f39f318
--- /dev/null
+++ b/src/gallium/state_trackers/egl/common/egl_st_api.h
@@ -0,0 +1,46 @@
+#ifndef _EGL_ST_API_H_
+#define _EGL_ST_API_H_
+
+#include "pipe/p_compiler.h"
+#include "state_tracker/st_api.h"
+#include "egltypedefs.h"
+
+struct st_manager *
+egl_g3d_create_st_manager(_EGLDisplay *dpy);
+
+void
+egl_g3d_destroy_st_manager(struct st_manager *smapi);
+
+struct st_api *
+egl_g3d_create_st_api(enum st_api_type api);
+
+/**
+ * Return the EGL_<api>_BIT of the st api.
+ */
+static INLINE int
+egl_g3d_st_api_bit(enum st_api_type api)
+{
+ int bit;
+
+ switch (api) {
+ case ST_API_OPENGL:
+ bit = EGL_OPENGL_BIT;
+ break;
+ case ST_API_OPENGL_ES1:
+ bit = EGL_OPENGL_ES_BIT;
+ break;
+ case ST_API_OPENGL_ES2:
+ bit = EGL_OPENGL_ES2_BIT;
+ break;
+ case ST_API_OPENVG:
+ bit = EGL_OPENVG_BIT;
+ break;
+ default:
+ bit = 0;
+ break;
+ }
+
+ return bit;
+}
+
+#endif /* _EGL_ST_API_H_ */
--
1.6.4.3
|
