/*
* mesa 3-D graphics library
- * Version: 6.5
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
/**
- * \file vbo_context.h
- * \brief VBO builder module datatypes and definitions.
+ * \brief Public interface to the VBO module
* \author Keith Whitwell
*/
#ifndef _VBO_H
#define _VBO_H
+#include <stdbool.h>
#include "main/glheader.h"
-struct gl_client_array;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct gl_vertex_array;
struct gl_context;
struct gl_transform_feedback_object;
-struct _mesa_prim {
+struct _mesa_prim
+{
GLuint mode:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
GLuint indexed:1;
GLuint begin:1;
GLuint end:1;
GLuint weak:1;
GLuint no_current_update:1;
- GLuint pad:19;
+ GLuint is_indirect:1;
+ GLuint pad:18;
GLuint start;
GLuint count;
GLint basevertex;
GLuint num_instances;
GLuint base_instance;
+ GLuint draw_id;
+
+ GLsizeiptr indirect_offset;
};
/* Would like to call this a "vbo_index_buffer", but this would be
* confusing as the indices are not neccessarily yet in a non-null
* buffer object.
*/
-struct _mesa_index_buffer {
+struct _mesa_index_buffer
+{
GLuint count;
- GLenum type;
+ unsigned index_size;
struct gl_buffer_object *obj;
const void *ptr;
};
-GLboolean _vbo_CreateContext( struct gl_context *ctx );
-void _vbo_DestroyContext( struct gl_context *ctx );
-void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state );
+GLboolean
+_vbo_CreateContext(struct gl_context *ctx);
+
+void
+_vbo_DestroyContext(struct gl_context *ctx);
+
+void
+vbo_exec_invalidate_state(struct gl_context *ctx);
+
+void
+_vbo_install_exec_vtxfmt(struct gl_context *ctx);
+
+void
+vbo_initialize_exec_dispatch(const struct gl_context *ctx,
+ struct _glapi_table *exec);
+
+void
+vbo_initialize_save_dispatch(const struct gl_context *ctx,
+ struct _glapi_table *exec);
+
+void
+vbo_exec_FlushVertices(struct gl_context *ctx, GLuint flags);
+
+void
+vbo_save_SaveFlushVertices(struct gl_context *ctx);
+
+void
+vbo_save_NotifyBegin(struct gl_context *ctx, GLenum mode);
+void
+vbo_save_NewList(struct gl_context *ctx, GLuint list, GLenum mode);
-typedef void (*vbo_draw_func)( struct gl_context *ctx,
- const struct _mesa_prim *prims,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLboolean index_bounds_valid,
- GLuint min_index,
- GLuint max_index,
- struct gl_transform_feedback_object *tfb_vertcount );
+void
+vbo_save_EndList(struct gl_context *ctx);
+
+void
+vbo_save_BeginCallList(struct gl_context *ctx, struct gl_display_list *list);
+
+void
+vbo_save_EndCallList(struct gl_context *ctx);
+
+
+/**
+ * For indirect array drawing:
+ *
+ * typedef struct {
+ * GLuint count;
+ * GLuint primCount;
+ * GLuint first;
+ * GLuint baseInstance; // in GL 4.2 and later, must be zero otherwise
+ * } DrawArraysIndirectCommand;
+ *
+ * For indirect indexed drawing:
+ *
+ * typedef struct {
+ * GLuint count;
+ * GLuint primCount;
+ * GLuint firstIndex;
+ * GLint baseVertex;
+ * GLuint baseInstance; // in GL 4.2 and later, must be zero otherwise
+ * } DrawElementsIndirectCommand;
+ */
+
+
+/**
+ * Draw a number of primitives.
+ * \param prims array [nr_prims] describing what to draw (prim type,
+ * vertex count, first index, instance count, etc).
+ * \param ib index buffer for indexed drawing, NULL for array drawing
+ * \param index_bounds_valid are min_index and max_index valid?
+ * \param min_index lowest vertex index used
+ * \param max_index highest vertex index used
+ * \param tfb_vertcount describes TFB output, or NULL
+ * \param stream If called via DrawTransformFeedback, specifies the vertex
+ * stream buffer from which to get the vertex count
+ * \param indirect If any prims are indirect, this specifies the buffer
+ * to find the "DrawArrays/ElementsIndirectCommand" data.
+ * This may be deprecated in the future
+ */
+typedef void (*vbo_draw_func)(struct gl_context *ctx,
+ const struct _mesa_prim *prims,
+ GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLboolean index_bounds_valid,
+ GLuint min_index,
+ GLuint max_index,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ unsigned stream,
+ struct gl_buffer_object *indirect);
+
+
+/**
+ * Draw a primitive, getting the vertex count, instance count, start
+ * vertex, etc. from a buffer object.
+ * \param mode GL_POINTS, GL_LINES, GL_TRIANGLE_STRIP, etc.
+ * \param indirect_data buffer to get "DrawArrays/ElementsIndirectCommand" data
+ * \param indirect_offset offset of first primitive in indrect_data buffer
+ * \param draw_count number of primitives to draw
+ * \param stride stride, in bytes, between "DrawArrays/ElementsIndirectCommand"
+ * objects
+ * \param indirect_draw_count_buffer if non-NULL specifies a buffer to get the
+ * real draw_count value. Used for
+ * GL_ARB_indirect_parameters.
+ * \param indirect_draw_count_offset offset to the draw_count value in
+ * indirect_draw_count_buffer
+ * \param ib index buffer for indexed drawing, NULL otherwise.
+ */
+typedef void (*vbo_indirect_draw_func)(
+ struct gl_context *ctx,
+ GLuint mode,
+ struct gl_buffer_object *indirect_data,
+ GLsizeiptr indirect_offset,
+ unsigned draw_count,
+ unsigned stride,
+ struct gl_buffer_object *indirect_draw_count_buffer,
+ GLsizeiptr indirect_draw_count_offset,
+ const struct _mesa_index_buffer *ib);
* - Maximum number of vertices referenced by index buffer.
* - Maximum hardware vertex buffer size.
*/
-struct split_limits {
+struct split_limits
+{
GLuint max_verts;
GLuint max_indices;
GLuint max_vb_size; /* bytes */
};
-void vbo_split_prims( struct gl_context *ctx,
- const struct gl_client_array *arrays[],
- const struct _mesa_prim *prim,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLuint min_index,
- GLuint max_index,
- vbo_draw_func draw,
- const struct split_limits *limits );
+void
+vbo_split_prims(struct gl_context *ctx,
+ const struct gl_vertex_array *arrays[],
+ const struct _mesa_prim *prim,
+ GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLuint min_index,
+ GLuint max_index,
+ vbo_draw_func draw,
+ const struct split_limits *limits);
-/* Helpers for dealing translating away non-zero min_index.
- */
-GLboolean vbo_all_varyings_in_vbos( const struct gl_client_array *arrays[] );
-GLboolean vbo_any_varyings_in_vbos( const struct gl_client_array *arrays[] );
-
-void vbo_rebase_prims( struct gl_context *ctx,
- const struct gl_client_array *arrays[],
- const struct _mesa_prim *prim,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLuint min_index,
- GLuint max_index,
- vbo_draw_func draw );
-
-static inline int
-vbo_sizeof_ib_type(GLenum type)
-{
- switch (type) {
- case GL_UNSIGNED_INT:
- return sizeof(GLuint);
- case GL_UNSIGNED_SHORT:
- return sizeof(GLushort);
- case GL_UNSIGNED_BYTE:
- return sizeof(GLubyte);
- default:
- assert(!"unsupported index data type");
- /* In case assert is turned off */
- return 0;
- }
-}
+void
+vbo_delete_minmax_cache(struct gl_buffer_object *bufferObj);
void
vbo_get_minmax_indices(struct gl_context *ctx, const struct _mesa_prim *prim,
const struct _mesa_index_buffer *ib,
GLuint *min_index, GLuint *max_index, GLuint nr_prims);
-void vbo_use_buffer_objects(struct gl_context *ctx);
-
-void vbo_always_unmap_buffers(struct gl_context *ctx);
-
-void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func);
+void
+vbo_use_buffer_objects(struct gl_context *ctx);
-void vbo_check_buffers_are_unmapped(struct gl_context *ctx);
+void
+vbo_always_unmap_buffers(struct gl_context *ctx);
-void vbo_bind_arrays(struct gl_context *ctx);
+void
+vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func);
-size_t
-vbo_count_tessellated_primitives(const struct _mesa_prim *prim);
+void
+vbo_set_indirect_draw_func(struct gl_context *ctx,
+ vbo_indirect_draw_func func);
void
vbo_sw_primitive_restart(struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims,
- const struct _mesa_index_buffer *ib);
+ const struct _mesa_index_buffer *ib,
+ struct gl_buffer_object *indirect);
void GLAPIENTRY
_es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
void GLAPIENTRY
_es_VertexAttrib4fv(GLuint indx, const GLfloat* values);
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
#endif
projects / mesa.git / blobdiff