#include "glheader.h"
#include "mtypes.h"
#include "glformats.h"
+#include "vbo/vbo.h"
struct gl_context;
/**
* \file arrayobj.h
- * Functions for the GL_APPLE_vertex_array_object extension.
+ * Functions for the GL_ARB_vertex_array_object extension.
*
* \author Ian Romanick <idr@us.ibm.com>
* \author Brian Paul
* Internal functions
*/
-extern struct gl_array_object *
-_mesa_new_array_object( struct gl_context *ctx, GLuint name );
+extern struct gl_vertex_array_object *
+_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,
+ 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_delete_array_object( struct gl_context *ctx, struct gl_array_object *obj );
+_mesa_unbind_array_object_vbos(struct gl_context *ctx,
+ struct gl_vertex_array_object *obj);
extern void
-_mesa_reference_array_object_(struct gl_context *ctx,
- struct gl_array_object **ptr,
- struct gl_array_object *arrayObj);
+_mesa_delete_vao(struct gl_context *ctx, struct gl_vertex_array_object *obj);
+
+extern void
+_mesa_reference_vao_(struct gl_context *ctx,
+ struct gl_vertex_array_object **ptr,
+ struct gl_vertex_array_object *vao);
static inline void
-_mesa_reference_array_object(struct gl_context *ctx,
- struct gl_array_object **ptr,
- struct gl_array_object *arrayObj)
+_mesa_reference_vao(struct gl_context *ctx,
+ struct gl_vertex_array_object **ptr,
+ struct gl_vertex_array_object *vao)
{
- if (*ptr != arrayObj)
- _mesa_reference_array_object_(ctx, ptr, arrayObj);
+ if (*ptr != vao)
+ _mesa_reference_vao_(ctx, ptr, vao);
}
extern void
-_mesa_initialize_array_object( struct gl_context *ctx,
- struct gl_array_object *obj, GLuint name );
+_mesa_initialize_vao(struct gl_context *ctx,
+ struct gl_vertex_array_object *obj, GLuint name);
+
+
+extern void
+_mesa_update_vao_derived_arrays(struct gl_context *ctx,
+ struct gl_vertex_array_object *vao);
+
+
+/**
+ * Mark the vao as shared and immutable, do remaining updates.
+ */
+extern void
+_mesa_set_vao_immutable(struct gl_context *ctx,
+ struct gl_vertex_array_object *vao);
+
+
+/* Returns true if all varying arrays reside in vbos */
+extern bool
+_mesa_all_varyings_in_vbos(const struct gl_vertex_array_object *vao);
+
+/* Returns true if all vbos are unmapped */
+extern bool
+_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_update_array_object_max_element(struct gl_context *ctx,
- struct gl_array_object *arrayObj);
+_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
+ * as they appear in the vao.
+ */
+extern const GLubyte
+_mesa_vao_attribute_map[ATTRIBUTE_MAP_MODE_MAX][VERT_ATTRIB_MAX];
+
+
+/**
+ * Apply the position/generic0 aliasing map to a bitfield from the vao.
+ * 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.
+ */
+static inline GLbitfield
+_mesa_vao_enable_to_vp_inputs(gl_attribute_map_mode mode, GLbitfield enabled)
+{
+ switch (mode) {
+ case ATTRIBUTE_MAP_MODE_IDENTITY:
+ return enabled;
+ case ATTRIBUTE_MAP_MODE_POSITION:
+ /* Copy VERT_ATTRIB_POS enable bit into GENERIC0 position */
+ return (enabled & ~VERT_BIT_GENERIC0)
+ | ((enabled & VERT_BIT_POS) << VERT_ATTRIB_GENERIC0);
+ case ATTRIBUTE_MAP_MODE_GENERIC0:
+ /* Copy VERT_ATTRIB_GENERIC0 enable bit into POS position */
+ return (enabled & ~VERT_BIT_POS)
+ | ((enabled & VERT_BIT_GENERIC0) >> VERT_ATTRIB_GENERIC0);
+ default:
+ return 0;
+ }
+}
+
+
+/**
+ * Return the vp_inputs enabled bitmask after application of
+ * the position/generic0 aliasing map.
+ */
+static inline GLbitfield
+_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);
+}
+
+
+/**
+ * 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;
+}
+
-/** Returns the bitmask of all enabled arrays in fixed function mode.
+/**
+ * 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.
*
- * In fixed function mode only the traditional fixed function arrays
- * are available.
+ * 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 GLbitfield64
-_mesa_array_object_get_enabled_ff(const struct gl_array_object *arrayObj)
+static inline const struct gl_vertex_format *
+_mesa_draw_array_format(const struct gl_vertex_array_object *vao,
+ gl_vert_attrib attr)
{
- return arrayObj->_Enabled & VERT_BIT_FF_ALL;
+ return &_mesa_draw_array_attrib(vao, attr)->Format;
}
-/** Returns the bitmask of all enabled arrays in arb/glsl shader mode.
+
+/**
+ * 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.
*
- * In arb/glsl shader mode all the fixed function and the arb/glsl generic
- * arrays are available. Only the first generic array takes
- * precedence over the legacy position array.
+ * Needs the a fully updated VAO ready for draw.
*/
-static inline GLbitfield64
-_mesa_array_object_get_enabled_arb(const struct gl_array_object *arrayObj)
+static inline GLbitfield
+_mesa_draw_bound_attrib_bits(const struct gl_vertex_buffer_binding *binding)
{
- GLbitfield64 enabled = arrayObj->_Enabled;
- return enabled & ~(VERT_BIT_POS & (enabled >> VERT_ATTRIB_GENERIC0));
+ 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;
}
*/
+void GLAPIENTRY
+_mesa_BindVertexArray_no_error(GLuint id);
+
void GLAPIENTRY _mesa_BindVertexArray( GLuint id );
-void GLAPIENTRY _mesa_BindVertexArrayAPPLE( GLuint id );
+void GLAPIENTRY
+_mesa_DeleteVertexArrays_no_error(GLsizei n, const GLuint *ids);
void GLAPIENTRY _mesa_DeleteVertexArrays(GLsizei n, const GLuint *ids);
+void GLAPIENTRY
+_mesa_GenVertexArrays_no_error(GLsizei n, GLuint *arrays);
+
void GLAPIENTRY _mesa_GenVertexArrays(GLsizei n, GLuint *arrays);
-void GLAPIENTRY _mesa_GenVertexArraysAPPLE(GLsizei n, GLuint *buffer);
+void GLAPIENTRY
+_mesa_CreateVertexArrays_no_error(GLsizei n, GLuint *arrays);
+
+void GLAPIENTRY _mesa_CreateVertexArrays(GLsizei n, GLuint *arrays);
GLboolean GLAPIENTRY _mesa_IsVertexArray( GLuint id );
+void GLAPIENTRY
+_mesa_VertexArrayElementBuffer_no_error(GLuint vaobj, GLuint buffer);
+
+void GLAPIENTRY _mesa_VertexArrayElementBuffer(GLuint vaobj, GLuint buffer);
+
+void GLAPIENTRY _mesa_GetVertexArrayiv(GLuint vaobj, GLenum pname, GLint *param);
+
#endif /* ARRAYOBJ_H */
projects / mesa.git / blobdiff