*/
enum st_profile_type
{
- ST_PROFILE_DEFAULT,
- ST_PROFILE_OPENGL_CORE,
- ST_PROFILE_OPENGL_ES1,
- ST_PROFILE_OPENGL_ES2
+ ST_PROFILE_DEFAULT, /**< OpenGL compatibility profile */
+ ST_PROFILE_OPENGL_CORE, /**< OpenGL 3.2+ core profile */
+ ST_PROFILE_OPENGL_ES1, /**< OpenGL ES 1.x */
+ ST_PROFILE_OPENGL_ES2 /**< OpenGL ES 2.0 */
};
/* for profile_mask in st_api */
#define ST_PROFILE_OPENGL_ES1_MASK (1 << ST_PROFILE_OPENGL_ES1)
#define ST_PROFILE_OPENGL_ES2_MASK (1 << ST_PROFILE_OPENGL_ES2)
+/**
+ * Optional API/state tracker features.
+ */
+enum st_api_feature
+{
+ ST_API_FEATURE_MS_VISUALS /**< support for multisample visuals */
+};
+
+/* for feature_mask in st_api */
+#define ST_API_FEATURE_MS_VISUALS_MASK (1 << ST_API_FEATURE_MS_VISUALS)
+
/**
* New context flags for GL 3.0 and beyond.
+ *
+ * Profile information (core vs. compatibilty for OpenGL 3.2+) is communicated
+ * through the \c st_profile_type, not through flags.
*/
-#define ST_CONTEXT_FLAG_CORE_PROFILE (1 << 0)
-#define ST_CONTEXT_FLAG_COMPATIBLE_PROFILE (1 << 1)
-#define ST_CONTEXT_FLAG_FORWARD_COMPATIBLE (1 << 2)
-#define ST_CONTEXT_FLAG_DEBUG (1 << 3)
-#define ST_CONTEXT_FLAG_ROBUST_ACCESS (1 << 4)
+#define ST_CONTEXT_FLAG_DEBUG (1 << 0)
+#define ST_CONTEXT_FLAG_FORWARD_COMPATIBLE (1 << 1)
+#define ST_CONTEXT_FLAG_ROBUST_ACCESS (1 << 2)
+#define ST_CONTEXT_FLAG_RESET_NOTIFICATION_ENABLED (1 << 3)
+
+/**
+ * Reasons that context creation might fail.
+ */
+enum st_context_error {
+ ST_CONTEXT_SUCCESS = 0,
+ ST_CONTEXT_ERROR_NO_MEMORY,
+ ST_CONTEXT_ERROR_BAD_API,
+ ST_CONTEXT_ERROR_BAD_VERSION,
+ ST_CONTEXT_ERROR_BAD_FLAG,
+ ST_CONTEXT_ERROR_UNKNOWN_ATTRIBUTE,
+ ST_CONTEXT_ERROR_UNKNOWN_FLAG
+};
/**
* Used in st_context_iface->teximage.
* Flush flags.
*/
#define ST_FLUSH_FRONT (1 << 0)
+#define ST_FLUSH_END_OF_FRAME (1 << 1)
/**
* Value to st_manager->get_param function.
*/
struct st_context_resource
{
- /* these fields are filled by the caller */
+ /* these fields are filled in by the caller */
enum st_context_resource_type type;
void *resource;
enum st_attachment_type render_buffer;
};
+
+/**
+ * Configuration options from driconf
+ */
+struct st_config_options
+{
+ boolean disable_blend_func_extended;
+ boolean disable_glsl_line_continuations;
+ boolean disable_shader_bit_encoding;
+ boolean force_glsl_extensions_warn;
+ unsigned force_glsl_version;
+ boolean force_s3tc_enable;
+ boolean allow_glsl_extension_directive_midshader;
+};
+
/**
* Represent the attributes of a context.
*/
* 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 the
- * ST_CONTEXT_FLAG_FORWARD_COMPATIBLE bit is set.
+ * version satisfying the request should be returned.
*/
enum st_profile_type profile;
int major, minor;
* The visual of the framebuffers the context will be bound to.
*/
struct st_visual visual;
+
+ /**
+ * Configuration options.
+ */
+ struct st_config_options options;
};
+struct st_context_iface;
+
/**
* Represent a windowing system drawable.
*
* The framebuffer is implemented by the state tracker manager and
* used by the state trackers.
*
- * Instead of the winsys pokeing into the API context to figure
+ * Instead of the winsys poking into the API context to figure
* out what buffers that might be needed in the future by the API
* context, it calls into the framebuffer to get the textures.
*
* This structure along with the notify_invalid_framebuffer
* allows framebuffers to be shared between different threads
* but at the same make the API context free from thread
- * syncronisation primitves, with the exception of a small
+ * synchronization primitves, with the exception of a small
* atomic flag used for notification of framebuffer dirty status.
*
- * The thread syncronisation is put inside the framebuffer
+ * The thread synchronization is put inside the framebuffer
* and only called once the framebuffer has become dirty.
*/
struct st_framebuffer_iface
/**
* Atomic stamp which changes when framebuffers need to be updated.
*/
-
int32_t stamp;
/**
*
* @att is one of the front buffer attachments.
*/
- boolean (*flush_front)(struct st_framebuffer_iface *stfbi,
+ boolean (*flush_front)(struct st_context_iface *stctx,
+ struct st_framebuffer_iface *stfbi,
enum st_attachment_type statt);
/**
* the last call might be destroyed. This behavior might change in the
* future.
*/
- boolean (*validate)(struct st_framebuffer_iface *stfbi,
+ boolean (*validate)(struct st_context_iface *stctx,
+ struct st_framebuffer_iface *stfbi,
const enum st_attachment_type *statts,
unsigned count,
struct pipe_resource **out);
void *st_context_private;
void *st_manager_private;
+ /**
+ * The CSO context associated with this context in case we need to draw
+ * something before swap buffers.
+ */
+ struct cso_context *cso_context;
+
+ /**
+ * The gallium context.
+ */
+ struct pipe_context *pipe;
+
/**
* Destroy the context.
*/
*
* This function is optional.
*/
- boolean (*teximage)(struct st_context_iface *stctxi, enum st_texture_type target,
+ boolean (*teximage)(struct st_context_iface *stctxi,
+ enum st_texture_type target,
int level, enum pipe_format internal_format,
struct pipe_resource *tex, boolean mipmap);
*/
unsigned profile_mask;
+ /**
+ * The supported optional features. Tested with ST_FEATURE_*_MASK.
+ */
+ unsigned feature_mask;
+
/**
* Destroy the API.
*/
void (*destroy)(struct st_api *stapi);
+ /**
+ * Query supported OpenGL versions. (if applicable)
+ * The format is (major*10+minor).
+ */
+ void (*query_versions)(struct st_api *stapi, struct st_manager *sm,
+ struct st_config_options *options,
+ int *gl_core_version,
+ int *gl_compat_version,
+ int *gl_es1_version,
+ int *gl_es2_version);
+
/**
* Return an API entry point.
*
struct st_context_iface *(*create_context)(struct st_api *stapi,
struct st_manager *smapi,
const struct st_context_attribs *attribs,
+ enum st_context_error *error,
struct st_context_iface *stsharei);
/**
/**
* Return true if the visual has the specified buffers.
*/
-static INLINE boolean
+static inline boolean
st_visual_have_buffers(const struct st_visual *visual, unsigned mask)
{
return ((visual->buffer_mask & mask) == mask);
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