#include "glheader.h"
#include "mtypes.h"
#include "glformats.h"
+#include "vbo/vbo.h"
struct gl_context;
_mesa_lookup_vao(struct gl_context *ctx, GLuint id);
extern struct gl_vertex_array_object *
-_mesa_lookup_vao_err(struct gl_context *ctx, GLuint id, const char *caller);
+_mesa_lookup_vao_err(struct gl_context *ctx, GLuint id,
+ bool is_ext_dsa, const char *caller);
extern struct gl_vertex_array_object *
_mesa_new_vao(struct gl_context *ctx, GLuint name);
+extern void
+_mesa_unbind_array_object_vbos(struct gl_context *ctx,
+ struct gl_vertex_array_object *obj);
+
extern void
_mesa_delete_vao(struct gl_context *ctx, struct gl_vertex_array_object *obj);
_mesa_all_buffers_are_unmapped(const struct gl_vertex_array_object *vao);
+extern void
+_mesa_vao_map_arrays(struct gl_context *ctx, struct gl_vertex_array_object *vao,
+ GLbitfield access);
+
+extern void
+_mesa_vao_map(struct gl_context *ctx, struct gl_vertex_array_object *vao,
+ GLbitfield access);
+
+
+extern void
+_mesa_vao_unmap_arrays(struct gl_context *ctx,
+ struct gl_vertex_array_object *vao);
+
+extern void
+_mesa_vao_unmap(struct gl_context *ctx,
+ struct gl_vertex_array_object *vao);
+
+
/**
* Array to apply the position/generic0 aliasing map to
* an attribute value used in vertex processing inputs to an attribute
/**
* Apply the position/generic0 aliasing map to a bitfield from the vao.
- * Use for example to convert gl_vertex_array_object::_Enabled
+ * Use for example to convert gl_vertex_array_object::Enabled
* or gl_vertex_buffer_binding::_VertexBinding from the vao numbering to
* the numbering used with vertex processing inputs.
*/
_mesa_get_vao_vp_inputs(const struct gl_vertex_array_object *vao)
{
const gl_attribute_map_mode mode = vao->_AttributeMapMode;
- return _mesa_vao_enable_to_vp_inputs(mode, vao->_Enabled);
+ return _mesa_vao_enable_to_vp_inputs(mode, vao->Enabled);
+}
+
+
+/**
+ * Helper functions for consuming backends to walk the
+ * ctx->Array._DrawVAO for driver side array setup.
+ * Note that mesa provides preprocessed minimal binding information
+ * in the VAO. See _mesa_update_vao_derived_arrays for documentation.
+ */
+
+/**
+ * Return enabled vertex attribute bits for draw.
+ */
+static inline GLbitfield
+_mesa_draw_array_bits(const struct gl_context *ctx)
+{
+ return ctx->Array._DrawVAOEnabledAttribs;
+}
+
+
+/**
+ * Return enabled buffer object vertex attribute bits for draw.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline GLbitfield
+_mesa_draw_vbo_array_bits(const struct gl_context *ctx)
+{
+ const struct gl_vertex_array_object *const vao = ctx->Array._DrawVAO;
+ assert(vao->NewArrays == 0);
+ return vao->_EffEnabledVBO & ctx->Array._DrawVAOEnabledAttribs;
+}
+
+
+/**
+ * Return enabled user space vertex attribute bits for draw.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline GLbitfield
+_mesa_draw_user_array_bits(const struct gl_context *ctx)
+{
+ const struct gl_vertex_array_object *const vao = ctx->Array._DrawVAO;
+ assert(vao->NewArrays == 0);
+ return ~vao->_EffEnabledVBO & ctx->Array._DrawVAOEnabledAttribs;
+}
+
+
+/**
+ * Return which enabled vertex attributes have a non-zero instance divisor.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline GLbitfield
+_mesa_draw_nonzero_divisor_bits(const struct gl_context *ctx)
+{
+ const struct gl_vertex_array_object *const vao = ctx->Array._DrawVAO;
+ assert(vao->NewArrays == 0);
+ return vao->_EffEnabledNonZeroDivisor & ctx->Array._DrawVAOEnabledAttribs;
+}
+
+
+/**
+ * Return enabled current values attribute bits for draw.
+ */
+static inline GLbitfield
+_mesa_draw_current_bits(const struct gl_context *ctx)
+{
+ return ~ctx->Array._DrawVAOEnabledAttribs & VERT_BIT_ALL;
+}
+
+
+/**
+ * Return vertex buffer binding provided the attribute struct.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline const struct gl_vertex_buffer_binding*
+_mesa_draw_buffer_binding_from_attrib(const struct gl_vertex_array_object *vao,
+ const struct gl_array_attributes *attrib)
+{
+ assert(vao->NewArrays == 0);
+ return &vao->BufferBinding[attrib->_EffBufferBindingIndex];
+}
+
+
+/**
+ * Return vertex array attribute provided the attribute number.
+ */
+static inline const struct gl_array_attributes*
+_mesa_draw_array_attrib(const struct gl_vertex_array_object *vao,
+ gl_vert_attrib attr)
+{
+ assert(vao->NewArrays == 0);
+ const gl_attribute_map_mode map_mode = vao->_AttributeMapMode;
+ return &vao->VertexAttrib[_mesa_vao_attribute_map[map_mode][attr]];
+}
+
+
+/**
+ * Return a vertex array vertex format provided the attribute number.
+ */
+static inline const struct gl_vertex_format *
+_mesa_draw_array_format(const struct gl_vertex_array_object *vao,
+ gl_vert_attrib attr)
+{
+ return &_mesa_draw_array_attrib(vao, attr)->Format;
+}
+
+
+/**
+ * Return vertex buffer binding provided an attribute number.
+ */
+static inline const struct gl_vertex_buffer_binding*
+_mesa_draw_buffer_binding(const struct gl_vertex_array_object *vao,
+ gl_vert_attrib attr)
+{
+ const struct gl_array_attributes *const attrib
+ = _mesa_draw_array_attrib(vao, attr);
+ return _mesa_draw_buffer_binding_from_attrib(vao, attrib);
+}
+
+
+/**
+ * Return vertex attribute bits bound at the provided binding.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline GLbitfield
+_mesa_draw_bound_attrib_bits(const struct gl_vertex_buffer_binding *binding)
+{
+ return binding->_EffBoundArrays;
+}
+
+
+/**
+ * Return the vertex offset bound at the provided binding.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline GLintptr
+_mesa_draw_binding_offset(const struct gl_vertex_buffer_binding *binding)
+{
+ return binding->_EffOffset;
+}
+
+
+/**
+ * Return the relative offset of the provided attrib.
+ *
+ * Needs the a fully updated VAO ready for draw.
+ */
+static inline GLushort
+_mesa_draw_attributes_relative_offset(const struct gl_array_attributes *attrib)
+{
+ return attrib->_EffRelativeOffset;
+}
+
+
+/**
+ * Return a current value vertex array attribute provided the attribute number.
+ */
+static inline const struct gl_array_attributes*
+_mesa_draw_current_attrib(const struct gl_context *ctx, gl_vert_attrib attr)
+{
+ return _vbo_current_attrib(ctx, attr);
+}
+
+
+/**
+ * Return a current value vertex format provided the attribute number.
+ */
+static inline const struct gl_vertex_format *
+_mesa_draw_current_format(const struct gl_context *ctx, gl_vert_attrib attr)
+{
+ return &_vbo_current_attrib(ctx, attr)->Format;
+}
+
+
+/**
+ * Return true if we have the VERT_ATTRIB_EDGEFLAG array enabled.
+ */
+static inline bool
+_mesa_draw_edge_flag_array_enabled(const struct gl_context *ctx)
+{
+ return ctx->Array._DrawVAOEnabledAttribs & VERT_BIT_EDGEFLAG;
}
projects / mesa.git / blobdiff