* tracker managers.
*/
-/**
- * The entry points of the state trackers.
- */
-#define ST_MODULE_OPENGL_SYMBOL "st_module_OpenGL"
-#define ST_MODULE_OPENGL_ES1_SYMBOL "st_module_OpenGL_ES1"
-#define ST_MODULE_OPENGL_ES2_SYMBOL "st_module_OpenGL_ES2"
-#define ST_MODULE_OPENVG_SYMBOL "st_module_OpenVG"
-
/**
* The supported rendering API of a state tracker.
*/
enum st_api_type {
ST_API_OPENGL,
- ST_API_OPENGL_ES1,
- ST_API_OPENGL_ES2,
ST_API_OPENVG,
ST_API_COUNT
};
+/**
+ * The profile of a context.
+ */
+enum st_profile_type
+{
+ ST_PROFILE_DEFAULT,
+ ST_PROFILE_OPENGL_CORE,
+ ST_PROFILE_OPENGL_ES1,
+ ST_PROFILE_OPENGL_ES2
+};
+
+/* for profile_mask in st_api */
+#define ST_PROFILE_DEFAULT_MASK (1 << ST_PROFILE_DEFAULT)
+#define ST_PROFILE_OPENGL_CORE_MASK (1 << ST_PROFILE_OPENGL_CORE)
+#define ST_PROFILE_OPENGL_ES1_MASK (1 << ST_PROFILE_OPENGL_ES1)
+#define ST_PROFILE_OPENGL_ES2_MASK (1 << ST_PROFILE_OPENGL_ES2)
+
/**
* Used in st_context_iface->teximage.
*/
ST_TEXTURE_1D,
ST_TEXTURE_2D,
ST_TEXTURE_3D,
- ST_TEXTURE_RECT,
+ ST_TEXTURE_RECT
};
/**
ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_POSITIVE_Z,
ST_CONTEXT_RESOURCE_OPENGL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
ST_CONTEXT_RESOURCE_OPENGL_RENDERBUFFER,
- ST_CONTEXT_RESOURCE_OPENVG_PARENT_IMAGE,
+ ST_CONTEXT_RESOURCE_OPENVG_PARENT_IMAGE
+};
+
+/**
+ * Value to st_manager->get_param function.
+ */
+enum st_manager_param {
+ /**
+ * The dri state tracker on old libGL's doesn't do the right thing
+ * with regards to invalidating the framebuffers.
+ *
+ * For the mesa state tracker that means that it needs to invalidate
+ * the framebuffer in glViewport itself.
+ */
+ ST_MANAGER_BROKEN_INVALIDATE
};
/**
*/
struct st_egl_image
{
- /* these fields are filled by the caller */
- struct st_context_iface *stctxi;
- void *egl_image;
-
/* this is owned by the caller */
struct pipe_resource *texture;
enum st_attachment_type render_buffer;
};
+/**
+ * Represent the attributes of a context.
+ */
+struct st_context_attribs
+{
+ /**
+ * The profile and minimal version to support.
+ *
+ * The valid profiles and versions are rendering API dependent. The latest
+ * version satisfying the request should be returned, unless
+ * forward_compatiible is true.
+ */
+ enum st_profile_type profile;
+ int major, minor;
+
+ /**
+ * Enable debugging.
+ */
+ boolean debug;
+
+ /**
+ * Return the exact version and disallow the use of deprecated features.
+ */
+ boolean forward_compatible;
+
+ /**
+ * The visual of the framebuffers the context will be bound to.
+ */
+ struct st_visual visual;
+};
+
/**
* Represent a windowing system drawable.
*
/**
* Look up and return the info of an EGLImage.
*
+ * This is used to implement for example EGLImageTargetTexture2DOES.
+ * The GLeglImageOES agrument of that call is passed directly to this
+ * function call and the information needed to access this is returned
+ * in the given struct out.
+ *
+ * @smapi: manager owning the caller context
+ * @stctx: caller context
+ * @egl_image: EGLImage that caller recived
+ * @out: return struct filled out with access information.
+ *
* This function is optional.
*/
boolean (*get_egl_image)(struct st_manager *smapi,
- struct st_egl_image *stimg);
+ void *egl_image,
+ struct st_egl_image *out);
+
+ /**
+ * Query an manager param.
+ */
+ int (*get_param)(struct st_manager *smapi,
+ enum st_manager_param param);
};
/**
*/
struct st_api
{
+ /**
+ * The name of the rendering API. This is informative.
+ */
+ const char *name;
+
+ /**
+ * The supported rendering API.
+ */
+ enum st_api_type api;
+
+ /**
+ * The supported profiles. Tested with ST_PROFILE_*_MASK.
+ */
+ unsigned profile_mask;
+
/**
* Destroy the API.
*/
*/
st_proc_t (*get_proc_address)(struct st_api *stapi, const char *procname);
- /**
- * Return true if the visual is supported by the state tracker.
- */
- boolean (*is_visual_supported)(struct st_api *stapi,
- const struct st_visual *visual);
-
/**
* Create a rendering context.
*/
struct st_context_iface *(*create_context)(struct st_api *stapi,
struct st_manager *smapi,
- const struct st_visual *visual,
+ const struct st_context_attribs *attribs,
struct st_context_iface *stsharei);
/**
* Bind the context to the calling thread with draw and read as drawables.
*
- * The framebuffers might have different visuals than the context does.
+ * The framebuffers might be NULL, or might have different visuals than the
+ * context does.
*/
boolean (*make_current)(struct st_api *stapi,
struct st_context_iface *stctxi,
struct st_context_iface *(*get_current)(struct st_api *stapi);
};
-/**
- * Represent a state tracker.
- *
- * This is the entry point of a state tracker.
- */
-struct st_module
-{
- enum st_api_type api;
- struct st_api *(*create_api)(void);
-};
-
/**
* Return true if the visual has the specified buffers.
*/
return ((visual->buffer_mask & mask) == mask);
}
-/* these symbols may need to be dynamically lookup up */
-extern PUBLIC const struct st_module st_module_OpenGL;
-extern PUBLIC const struct st_module st_module_OpenGL_ES1;
-extern PUBLIC const struct st_module st_module_OpenGL_ES2;
-extern PUBLIC const struct st_module st_module_OpenVG;
-
#endif /* _ST_API_H_ */
projects / mesa.git / blobdiff