| /* |
| * mesa 3-D graphics library |
| * Version: 6.5 |
| * |
| * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * 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. |
| */ |
| |
| /** |
| * \file vbo_context.h |
| * \brief VBO builder module datatypes and definitions. |
| * \author Keith Whitwell |
| */ |
| |
| |
| #ifndef _VBO_H |
| #define _VBO_H |
| |
| #include "main/glheader.h" |
| |
| struct gl_client_array; |
| struct gl_context; |
| struct gl_transform_feedback_object; |
| |
| 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 start; |
| GLuint count; |
| GLint basevertex; |
| GLsizei num_instances; |
| GLuint base_instance; |
| }; |
| |
| /* 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 { |
| GLuint count; |
| GLenum type; |
| 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 ); |
| |
| |
| 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 ); |
| |
| |
| |
| |
| /* Utility function to cope with various constraints on tnl modules or |
| * hardware. This can be used to split an incoming set of arrays and |
| * primitives against the following constraints: |
| * - Maximum number of indices in index buffer. |
| * - Maximum number of vertices referenced by index buffer. |
| * - Maximum hardware vertex buffer size. |
| */ |
| 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 ); |
| |
| |
| /* 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_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_check_buffers_are_unmapped(struct gl_context *ctx); |
| |
| void vbo_bind_arrays(struct gl_context *ctx); |
| |
| size_t |
| count_tessellated_primitives(const struct _mesa_prim *prim); |
| |
| void |
| vbo_sw_primitive_restart(struct gl_context *ctx, |
| const struct _mesa_prim *prim, |
| GLuint nr_prims, |
| const struct _mesa_index_buffer *ib); |
| |
| void GLAPIENTRY |
| _es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a); |
| |
| void GLAPIENTRY |
| _es_Normal3f(GLfloat x, GLfloat y, GLfloat z); |
| |
| void GLAPIENTRY |
| _es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q); |
| |
| void GLAPIENTRY |
| _es_Materialfv(GLenum face, GLenum pname, const GLfloat *params); |
| |
| void GLAPIENTRY |
| _es_Materialf(GLenum face, GLenum pname, GLfloat param); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib1f(GLuint indx, GLfloat x); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib1fv(GLuint indx, const GLfloat* values); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib2fv(GLuint indx, const GLfloat* values); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib3fv(GLuint indx, const GLfloat* values); |
| |
| void GLAPIENTRY |
| _es_VertexAttrib4fv(GLuint indx, const GLfloat* values); |
| |
| #endif |