ioquake/ioq3
0
0
Fork 0
mirror of https://github.com/ioquake/ioq3.git synced 2024-11-10 07:11:46 +00:00
Code Issues Projects Releases Packages Wiki Activity
ioq3/code/renderergl2/tr_vbo.c

971 lines
23 KiB
C
Raw Blame History

/*
===========================================================================
Copyright (C) 2007-2009 Robert Beckebans <trebor_7@users.sourceforge.net>
This file is part of XreaL source code.
XreaL source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
XreaL source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with XreaL source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// tr_vbo.c
#include "tr_local.h"
uint32_t R_VboPackTangent(vec4_t v)
{
if (glRefConfig.packedNormalDataType == GL_UNSIGNED_INT_2_10_10_10_REV)
{
return (((uint32_t)(v[3] * 1.5f + 2.0f )) << 30)
| (((uint32_t)(v[2] * 511.5f + 512.0f)) << 20)
| (((uint32_t)(v[1] * 511.5f + 512.0f)) << 10)
| (((uint32_t)(v[0] * 511.5f + 512.0f)));
}
else
{
return (((uint32_t)(v[3] * 127.5f + 128.0f)) << 24)
| (((uint32_t)(v[2] * 127.5f + 128.0f)) << 16)
| (((uint32_t)(v[1] * 127.5f + 128.0f)) << 8)
| (((uint32_t)(v[0] * 127.5f + 128.0f)));
}
}
uint32_t R_VboPackNormal(vec3_t v)
{
if (glRefConfig.packedNormalDataType == GL_UNSIGNED_INT_2_10_10_10_REV)
{
return (((uint32_t)(v[2] * 511.5f + 512.0f)) << 20)
| (((uint32_t)(v[1] * 511.5f + 512.0f)) << 10)
| (((uint32_t)(v[0] * 511.5f + 512.0f)));
}
else
{
return (((uint32_t)(v[2] * 127.5f + 128.0f)) << 16)
| (((uint32_t)(v[1] * 127.5f + 128.0f)) << 8)
| (((uint32_t)(v[0] * 127.5f + 128.0f)));
}
}
void R_VboUnpackTangent(vec4_t v, uint32_t b)
{
if (glRefConfig.packedNormalDataType == GL_UNSIGNED_INT_2_10_10_10_REV)
{
v[0] = ((b) & 0x3ff) * 1.0f/511.5f - 1.0f;
v[1] = ((b >> 10) & 0x3ff) * 1.0f/511.5f - 1.0f;
v[2] = ((b >> 20) & 0x3ff) * 1.0f/511.5f - 1.0f;
v[3] = ((b >> 30) & 0x3) * 1.0f/1.5f - 1.0f;
}
else
{
v[0] = ((b) & 0xff) * 1.0f/127.5f - 1.0f;
v[1] = ((b >> 8) & 0xff) * 1.0f/127.5f - 1.0f;
v[2] = ((b >> 16) & 0xff) * 1.0f/127.5f - 1.0f;
v[3] = ((b >> 24) & 0xff) * 1.0f/127.5f - 1.0f;
}
}
void R_VboUnpackNormal(vec3_t v, uint32_t b)
{
if (glRefConfig.packedNormalDataType == GL_UNSIGNED_INT_2_10_10_10_REV)
{
v[0] = ((b) & 0x3ff) * 1.0f/511.5f - 1.0f;
v[1] = ((b >> 10) & 0x3ff) * 1.0f/511.5f - 1.0f;
v[2] = ((b >> 20) & 0x3ff) * 1.0f/511.5f - 1.0f;
}
else
{
v[0] = ((b) & 0xff) * 1.0f/127.5f - 1.0f;
v[1] = ((b >> 8) & 0xff) * 1.0f/127.5f - 1.0f;
v[2] = ((b >> 16) & 0xff) * 1.0f/127.5f - 1.0f;
}
}
/*
============
R_CreateVBO
============
*/
VBO_t *R_CreateVBO(const char *name, byte * vertexes, int vertexesSize, vboUsage_t usage)
{
VBO_t *vbo;
int glUsage;
switch (usage)
{
case VBO_USAGE_STATIC:
glUsage = GL_STATIC_DRAW_ARB;
break;
case VBO_USAGE_DYNAMIC:
glUsage = GL_DYNAMIC_DRAW_ARB;
break;
default:
Com_Error(ERR_FATAL, "bad vboUsage_t given: %i", usage);
return NULL;
}
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "R_CreateVBO: \"%s\" is too long", name);
}
if ( tr.numVBOs == MAX_VBOS ) {
ri.Error( ERR_DROP, "R_CreateVBO: MAX_VBOS hit");
}
R_IssuePendingRenderCommands();
vbo = tr.vbos[tr.numVBOs] = ri.Hunk_Alloc(sizeof(*vbo), h_low);
tr.numVBOs++;
memset(vbo, 0, sizeof(*vbo));
Q_strncpyz(vbo->name, name, sizeof(vbo->name));
vbo->vertexesSize = vertexesSize;
qglGenBuffersARB(1, &vbo->vertexesVBO);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo->vertexesVBO);
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexesSize, vertexes, glUsage);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glState.currentVBO = NULL;
GL_CheckErrors();
return vbo;
}
/*
============
R_CreateVBO2
============
*/
VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * verts, unsigned int stateBits, vboUsage_t usage)
{
VBO_t *vbo;
int i;
byte *data;
int dataSize;
int dataOfs;
int glUsage;
switch (usage)
{
case VBO_USAGE_STATIC:
glUsage = GL_STATIC_DRAW_ARB;
break;
case VBO_USAGE_DYNAMIC:
glUsage = GL_DYNAMIC_DRAW_ARB;
break;
default:
Com_Error(ERR_FATAL, "bad vboUsage_t given: %i", usage);
return NULL;
}
if(!numVertexes)
return NULL;
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "R_CreateVBO2: \"%s\" is too long", name);
}
if ( tr.numVBOs == MAX_VBOS ) {
ri.Error( ERR_DROP, "R_CreateVBO2: MAX_VBOS hit");
}
R_IssuePendingRenderCommands();
vbo = tr.vbos[tr.numVBOs] = ri.Hunk_Alloc(sizeof(*vbo), h_low);
tr.numVBOs++;
memset(vbo, 0, sizeof(*vbo));
Q_strncpyz(vbo->name, name, sizeof(vbo->name));
if (usage == VBO_USAGE_STATIC)
{
// since these vertex attributes are never altered, interleave them
vbo->ofs_xyz = 0;
dataSize = sizeof(verts[0].xyz);
if(stateBits & ATTR_NORMAL)
{
vbo->ofs_normal = dataSize;
dataSize += sizeof(uint32_t);
}
#ifdef USE_VERT_TANGENT_SPACE
if(stateBits & ATTR_TANGENT)
{
vbo->ofs_tangent = dataSize;
dataSize += sizeof(uint32_t);
}
#endif
if(stateBits & ATTR_TEXCOORD)
{
vbo->ofs_st = dataSize;
dataSize += sizeof(verts[0].st);
}
if(stateBits & ATTR_LIGHTCOORD)
{
vbo->ofs_lightmap = dataSize;
dataSize += sizeof(verts[0].lightmap);
}
if(stateBits & ATTR_COLOR)
{
vbo->ofs_vertexcolor = dataSize;
dataSize += sizeof(verts[0].vertexColors);
}
if(stateBits & ATTR_LIGHTDIRECTION)
{
vbo->ofs_lightdir = dataSize;
dataSize += sizeof(uint32_t);
}
vbo->stride_xyz = dataSize;
vbo->stride_normal = dataSize;
#ifdef USE_VERT_TANGENT_SPACE
vbo->stride_tangent = dataSize;
#endif
vbo->stride_st = dataSize;
vbo->stride_lightmap = dataSize;
vbo->stride_vertexcolor = dataSize;
vbo->stride_lightdir = dataSize;
// create VBO
dataSize *= numVertexes;
data = ri.Hunk_AllocateTempMemory(dataSize);
dataOfs = 0;
//ri.Printf(PRINT_ALL, "CreateVBO: %d, %d %d %d %d %d, %d %d %d %d %d\n", dataSize, vbo->ofs_xyz, vbo->ofs_normal, vbo->ofs_st, vbo->ofs_lightmap, vbo->ofs_vertexcolor,
//vbo->stride_xyz, vbo->stride_normal, vbo->stride_st, vbo->stride_lightmap, vbo->stride_vertexcolor);
for (i = 0; i < numVertexes; i++)
{
// xyz
memcpy(data + dataOfs, &verts[i].xyz, sizeof(verts[i].xyz));
dataOfs += sizeof(verts[i].xyz);
// normal
if(stateBits & ATTR_NORMAL)
{
uint32_t *p = (uint32_t *)(data + dataOfs);
*p = R_VboPackNormal(verts[i].normal);
dataOfs += sizeof(uint32_t);
}
#ifdef USE_VERT_TANGENT_SPACE
// tangent
if(stateBits & ATTR_TANGENT)
{
uint32_t *p = (uint32_t *)(data + dataOfs);
*p = R_VboPackTangent(verts[i].tangent);
dataOfs += sizeof(uint32_t);
}
#endif
// vertex texcoords
if(stateBits & ATTR_TEXCOORD)
{
memcpy(data + dataOfs, &verts[i].st, sizeof(verts[i].st));
dataOfs += sizeof(verts[i].st);
}
// feed vertex lightmap texcoords
if(stateBits & ATTR_LIGHTCOORD)
{
memcpy(data + dataOfs, &verts[i].lightmap, sizeof(verts[i].lightmap));
dataOfs += sizeof(verts[i].lightmap);
}
// feed vertex colors
if(stateBits & ATTR_COLOR)
{
memcpy(data + dataOfs, &verts[i].vertexColors, sizeof(verts[i].vertexColors));
dataOfs += sizeof(verts[i].vertexColors);
}
// feed vertex light directions
if(stateBits & ATTR_LIGHTDIRECTION)
{
uint32_t *p = (uint32_t *)(data + dataOfs);
*p = R_VboPackNormal(verts[i].lightdir);
dataOfs += sizeof(uint32_t);
}
}
}
else
{
// since these vertex attributes may be changed, put them in flat arrays
dataSize = sizeof(verts[0].xyz);
if(stateBits & ATTR_NORMAL)
{
dataSize += sizeof(uint32_t);
}
#ifdef USE_VERT_TANGENT_SPACE
if(stateBits & ATTR_TANGENT)
{
dataSize += sizeof(uint32_t);
}
#endif
if(stateBits & ATTR_TEXCOORD)
{
dataSize += sizeof(verts[0].st);
}
if(stateBits & ATTR_LIGHTCOORD)
{
dataSize += sizeof(verts[0].lightmap);
}
if(stateBits & ATTR_COLOR)
{
dataSize += sizeof(verts[0].vertexColors);
}
if(stateBits & ATTR_LIGHTDIRECTION)
{
dataSize += sizeof(uint32_t);
}
// create VBO
dataSize *= numVertexes;
data = ri.Hunk_AllocateTempMemory(dataSize);
dataOfs = 0;
vbo->ofs_xyz = 0;
vbo->ofs_normal = 0;
#ifdef USE_VERT_TANGENT_SPACE
vbo->ofs_tangent = 0;
#endif
vbo->ofs_st = 0;
vbo->ofs_lightmap = 0;
vbo->ofs_vertexcolor = 0;
vbo->ofs_lightdir = 0;
vbo->stride_xyz = sizeof(verts[0].xyz);
vbo->stride_normal = sizeof(uint32_t);
#ifdef USE_VERT_TANGENT_SPACE
vbo->stride_tangent = sizeof(uint32_t);
#endif
vbo->stride_vertexcolor = sizeof(verts[0].vertexColors);
vbo->stride_st = sizeof(verts[0].st);
vbo->stride_lightmap = sizeof(verts[0].lightmap);
vbo->stride_lightdir = sizeof(uint32_t);
//ri.Printf(PRINT_ALL, "2CreateVBO: %d, %d %d %d %d %d, %d %d %d %d %d\n", dataSize, vbo->ofs_xyz, vbo->ofs_normal, vbo->ofs_st, vbo->ofs_lightmap, vbo->ofs_vertexcolor,
//vbo->stride_xyz, vbo->stride_normal, vbo->stride_st, vbo->stride_lightmap, vbo->stride_vertexcolor);
// xyz
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].xyz, sizeof(verts[i].xyz));
dataOfs += sizeof(verts[i].xyz);
}
// normal
if(stateBits & ATTR_NORMAL)
{
vbo->ofs_normal = dataOfs;
for (i = 0; i < numVertexes; i++)
{
uint32_t *p = (uint32_t *)(data + dataOfs);
*p = R_VboPackNormal(verts[i].normal);
dataOfs += sizeof(uint32_t);
}
}
#ifdef USE_VERT_TANGENT_SPACE
// tangent
if(stateBits & ATTR_TANGENT)
{
vbo->ofs_tangent = dataOfs;
for (i = 0; i < numVertexes; i++)
{
uint32_t *p = (uint32_t *)(data + dataOfs);
*p = R_VboPackTangent(verts[i].tangent);
dataOfs += sizeof(uint32_t);
}
}
#endif
// vertex texcoords
if(stateBits & ATTR_TEXCOORD)
{
vbo->ofs_st = dataOfs;
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].st, sizeof(verts[i].st));
dataOfs += sizeof(verts[i].st);
}
}
// feed vertex lightmap texcoords
if(stateBits & ATTR_LIGHTCOORD)
{
vbo->ofs_lightmap = dataOfs;
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].lightmap, sizeof(verts[i].lightmap));
dataOfs += sizeof(verts[i].lightmap);
}
}
// feed vertex colors
if(stateBits & ATTR_COLOR)
{
vbo->ofs_vertexcolor = dataOfs;
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].vertexColors, sizeof(verts[i].vertexColors));
dataOfs += sizeof(verts[i].vertexColors);
}
}
// feed vertex lightdirs
if(stateBits & ATTR_LIGHTDIRECTION)
{
vbo->ofs_lightdir = dataOfs;
for (i = 0; i < numVertexes; i++)
{
uint32_t *p = (uint32_t *)(data + dataOfs);
*p = R_VboPackNormal(verts[i].lightdir);
dataOfs += sizeof(uint32_t);
}
}
}
vbo->vertexesSize = dataSize;
qglGenBuffersARB(1, &vbo->vertexesVBO);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo->vertexesVBO);
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, dataSize, data, glUsage);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glState.currentVBO = NULL;
GL_CheckErrors();
ri.Hunk_FreeTempMemory(data);
return vbo;
}
/*
============
R_CreateIBO
============
*/
IBO_t *R_CreateIBO(const char *name, byte * indexes, int indexesSize, vboUsage_t usage)
{
IBO_t *ibo;
int glUsage;
switch (usage)
{
case VBO_USAGE_STATIC:
glUsage = GL_STATIC_DRAW_ARB;
break;
case VBO_USAGE_DYNAMIC:
glUsage = GL_DYNAMIC_DRAW_ARB;
break;
default:
Com_Error(ERR_FATAL, "bad vboUsage_t given: %i", usage);
return NULL;
}
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "R_CreateIBO: \"%s\" is too long", name);
}
if ( tr.numIBOs == MAX_IBOS ) {
ri.Error( ERR_DROP, "R_CreateIBO: MAX_IBOS hit");
}
R_IssuePendingRenderCommands();
ibo = tr.ibos[tr.numIBOs] = ri.Hunk_Alloc(sizeof(*ibo), h_low);
tr.numIBOs++;
Q_strncpyz(ibo->name, name, sizeof(ibo->name));
ibo->indexesSize = indexesSize;
qglGenBuffersARB(1, &ibo->indexesVBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, ibo->indexesVBO);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexesSize, indexes, glUsage);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glState.currentIBO = NULL;
GL_CheckErrors();
return ibo;
}
/*
============
R_CreateIBO2
============
*/
IBO_t *R_CreateIBO2(const char *name, int numIndexes, glIndex_t * inIndexes, vboUsage_t usage)
{
IBO_t *ibo;
int i;
glIndex_t *indexes;
int indexesSize;
int glUsage;
switch (usage)
{
case VBO_USAGE_STATIC:
glUsage = GL_STATIC_DRAW_ARB;
break;
case VBO_USAGE_DYNAMIC:
glUsage = GL_DYNAMIC_DRAW_ARB;
break;
default:
Com_Error(ERR_FATAL, "bad vboUsage_t given: %i", usage);
return NULL;
}
if(!numIndexes)
return NULL;
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "R_CreateIBO2: \"%s\" is too long", name);
}
if ( tr.numIBOs == MAX_IBOS ) {
ri.Error( ERR_DROP, "R_CreateIBO2: MAX_IBOS hit");
}
R_IssuePendingRenderCommands();
ibo = tr.ibos[tr.numIBOs] = ri.Hunk_Alloc(sizeof(*ibo), h_low);
tr.numIBOs++;
Q_strncpyz(ibo->name, name, sizeof(ibo->name));
indexesSize = numIndexes * sizeof(glIndex_t);
indexes = ri.Hunk_AllocateTempMemory(indexesSize);
for(i = 0; i < numIndexes; i++)
{
indexes[i] = inIndexes[i];
}
ibo->indexesSize = indexesSize;
qglGenBuffersARB(1, &ibo->indexesVBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, ibo->indexesVBO);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexesSize, indexes, glUsage);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glState.currentIBO = NULL;
GL_CheckErrors();
ri.Hunk_FreeTempMemory(indexes);
return ibo;
}
/*
============
R_BindVBO
============
*/
void R_BindVBO(VBO_t * vbo)
{
if(!vbo)
{
//R_BindNullVBO();
ri.Error(ERR_DROP, "R_BindNullVBO: NULL vbo");
return;
}
if(r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- R_BindVBO( %s ) ---\n", vbo->name));
}
if(glState.currentVBO != vbo)
{
glState.currentVBO = vbo;
glState.vertexAttribPointersSet = 0;
glState.vertexAttribsInterpolation = 0;
glState.vertexAttribsOldFrame = 0;
glState.vertexAttribsNewFrame = 0;
glState.vertexAnimation = qfalse;
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo->vertexesVBO);
backEnd.pc.c_vboVertexBuffers++;
}
}
/*
============
R_BindNullVBO
============
*/
void R_BindNullVBO(void)
{
GLimp_LogComment("--- R_BindNullVBO ---\n");
if(glState.currentVBO)
{
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glState.currentVBO = NULL;
}
GL_CheckErrors();
}
/*
============
R_BindIBO
============
*/
void R_BindIBO(IBO_t * ibo)
{
if(!ibo)
{
//R_BindNullIBO();
ri.Error(ERR_DROP, "R_BindIBO: NULL ibo");
return;
}
if(r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- R_BindIBO( %s ) ---\n", ibo->name));
}
if(glState.currentIBO != ibo)
{
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, ibo->indexesVBO);
glState.currentIBO = ibo;
backEnd.pc.c_vboIndexBuffers++;
}
}
/*
============
R_BindNullIBO
============
*/
void R_BindNullIBO(void)
{
GLimp_LogComment("--- R_BindNullIBO ---\n");
if(glState.currentIBO)
{
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glState.currentIBO = NULL;
glState.vertexAttribPointersSet = 0;
}
}
/*
============
R_InitVBOs
============
*/
void R_InitVBOs(void)
{
int dataSize;
int offset;
ri.Printf(PRINT_ALL, "------- R_InitVBOs -------\n");
tr.numVBOs = 0;
tr.numIBOs = 0;
dataSize = sizeof(tess.xyz[0]);
dataSize += sizeof(tess.normal[0]);
#ifdef USE_VERT_TANGENT_SPACE
dataSize += sizeof(tess.tangent[0]);
#endif
dataSize += sizeof(tess.vertexColors[0]);
dataSize += sizeof(tess.texCoords[0][0]) * 2;
dataSize += sizeof(tess.lightdir[0]);
dataSize *= SHADER_MAX_VERTEXES;
tess.vbo = R_CreateVBO("tessVertexArray_VBO", NULL, dataSize, VBO_USAGE_DYNAMIC);
offset = 0;
tess.vbo->ofs_xyz = offset; offset += sizeof(tess.xyz[0]) * SHADER_MAX_VERTEXES;
tess.vbo->ofs_normal = offset; offset += sizeof(tess.normal[0]) * SHADER_MAX_VERTEXES;
#ifdef USE_VERT_TANGENT_SPACE
tess.vbo->ofs_tangent = offset; offset += sizeof(tess.tangent[0]) * SHADER_MAX_VERTEXES;
#endif
// these next two are actually interleaved
tess.vbo->ofs_st = offset;
tess.vbo->ofs_lightmap = offset + sizeof(tess.texCoords[0][0]);
offset += sizeof(tess.texCoords[0][0]) * 2 * SHADER_MAX_VERTEXES;
tess.vbo->ofs_vertexcolor = offset; offset += sizeof(tess.vertexColors[0]) * SHADER_MAX_VERTEXES;
tess.vbo->ofs_lightdir = offset;
tess.vbo->stride_xyz = sizeof(tess.xyz[0]);
tess.vbo->stride_normal = sizeof(tess.normal[0]);
#ifdef USE_VERT_TANGENT_SPACE
tess.vbo->stride_tangent = sizeof(tess.tangent[0]);
#endif
tess.vbo->stride_vertexcolor = sizeof(tess.vertexColors[0]);
tess.vbo->stride_st = sizeof(tess.texCoords[0][0]) * 2;
tess.vbo->stride_lightmap = sizeof(tess.texCoords[0][0]) * 2;
tess.vbo->stride_lightdir = sizeof(tess.lightdir[0]);
dataSize = sizeof(tess.indexes[0]) * SHADER_MAX_INDEXES;
tess.ibo = R_CreateIBO("tessVertexArray_IBO", NULL, dataSize, VBO_USAGE_DYNAMIC);
R_BindNullVBO();
R_BindNullIBO();
GL_CheckErrors();
}
/*
============
R_ShutdownVBOs
============
*/
void R_ShutdownVBOs(void)
{
int i;
VBO_t *vbo;
IBO_t *ibo;
ri.Printf(PRINT_ALL, "------- R_ShutdownVBOs -------\n");
R_BindNullVBO();
R_BindNullIBO();
for(i = 0; i < tr.numVBOs; i++)
{
vbo = tr.vbos[i];
if(vbo->vertexesVBO)
{
qglDeleteBuffersARB(1, &vbo->vertexesVBO);
}
//ri.Free(vbo);
}
for(i = 0; i < tr.numIBOs; i++)
{
ibo = tr.ibos[i];
if(ibo->indexesVBO)
{
qglDeleteBuffersARB(1, &ibo->indexesVBO);
}
//ri.Free(ibo);
}
tr.numVBOs = 0;
tr.numIBOs = 0;
}
/*
============
R_VBOList_f
============
*/
void R_VBOList_f(void)
{
int i;
VBO_t *vbo;
IBO_t *ibo;
int vertexesSize = 0;
int indexesSize = 0;
ri.Printf(PRINT_ALL, " size name\n");
ri.Printf(PRINT_ALL, "----------------------------------------------------------\n");
for(i = 0; i < tr.numVBOs; i++)
{
vbo = tr.vbos[i];
ri.Printf(PRINT_ALL, "%d.%02d MB %s\n", vbo->vertexesSize / (1024 * 1024),
(vbo->vertexesSize % (1024 * 1024)) * 100 / (1024 * 1024), vbo->name);
vertexesSize += vbo->vertexesSize;
}
for(i = 0; i < tr.numIBOs; i++)
{
ibo = tr.ibos[i];
ri.Printf(PRINT_ALL, "%d.%02d MB %s\n", ibo->indexesSize / (1024 * 1024),
(ibo->indexesSize % (1024 * 1024)) * 100 / (1024 * 1024), ibo->name);
indexesSize += ibo->indexesSize;
}
ri.Printf(PRINT_ALL, " %i total VBOs\n", tr.numVBOs);
ri.Printf(PRINT_ALL, " %d.%02d MB total vertices memory\n", vertexesSize / (1024 * 1024),
(vertexesSize % (1024 * 1024)) * 100 / (1024 * 1024));
ri.Printf(PRINT_ALL, " %i total IBOs\n", tr.numIBOs);
ri.Printf(PRINT_ALL, " %d.%02d MB total triangle indices memory\n", indexesSize / (1024 * 1024),
(indexesSize % (1024 * 1024)) * 100 / (1024 * 1024));
}
/*
==============
RB_UpdateVBOs
Adapted from Tess_UpdateVBOs from xreal
Update the default VBO to replace the client side vertex arrays
==============
*/
void RB_UpdateVBOs(unsigned int attribBits)
{
GLimp_LogComment("--- RB_UpdateVBOs ---\n");
backEnd.pc.c_dynamicVboDraws++;
// update the default VBO
if(tess.numVertexes > 0 && tess.numVertexes <= SHADER_MAX_VERTEXES)
{
R_BindVBO(tess.vbo);
// orphan old buffer so we don't stall on it
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->vertexesSize, NULL, GL_DYNAMIC_DRAW_ARB);
if(attribBits & ATTR_BITS)
{
if(attribBits & ATTR_POSITION)
{
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_xyz, tess.numVertexes * sizeof(tess.xyz[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_xyz, tess.numVertexes * sizeof(tess.xyz[0]), tess.xyz);
}
if(attribBits & ATTR_TEXCOORD || attribBits & ATTR_LIGHTCOORD)
{
// these are interleaved, so we update both if either need it
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_st, tess.numVertexes * sizeof(tess.texCoords[0][0]) * 2);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_st, tess.numVertexes * sizeof(tess.texCoords[0][0]) * 2, tess.texCoords);
}
if(attribBits & ATTR_NORMAL)
{
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_normal, tess.numVertexes * sizeof(tess.normal[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_normal, tess.numVertexes * sizeof(tess.normal[0]), tess.normal);
}
#ifdef USE_VERT_TANGENT_SPACE
if(attribBits & ATTR_TANGENT)
{
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_tangent, tess.numVertexes * sizeof(tess.tangent[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_tangent, tess.numVertexes * sizeof(tess.tangent[0]), tess.tangent);
}
#endif
if(attribBits & ATTR_COLOR)
{
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_vertexcolor, tess.numVertexes * sizeof(tess.vertexColors[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_vertexcolor, tess.numVertexes * sizeof(tess.vertexColors[0]), tess.vertexColors);
}
if(attribBits & ATTR_LIGHTDIRECTION)
{
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_lightdir, tess.numVertexes * sizeof(tess.lightdir[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_lightdir, tess.numVertexes * sizeof(tess.lightdir[0]), tess.lightdir);
}
}
else
{
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_xyz, tess.numVertexes * sizeof(tess.xyz[0]), tess.xyz);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_st, tess.numVertexes * sizeof(tess.texCoords[0][0]) * 2, tess.texCoords);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_normal, tess.numVertexes * sizeof(tess.normal[0]), tess.normal);
#ifdef USE_VERT_TANGENT_SPACE
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_tangent, tess.numVertexes * sizeof(tess.tangent[0]), tess.tangent);
#endif
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_vertexcolor, tess.numVertexes * sizeof(tess.vertexColors[0]), tess.vertexColors);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_lightdir, tess.numVertexes * sizeof(tess.lightdir[0]), tess.lightdir);
}
}
// update the default IBO
if(tess.numIndexes > 0 && tess.numIndexes <= SHADER_MAX_INDEXES)
{
R_BindIBO(tess.ibo);
// orphan old buffer so we don't stall on it
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, tess.ibo->indexesSize, NULL, GL_DYNAMIC_DRAW_ARB);
qglBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, tess.numIndexes * sizeof(tess.indexes[0]), tess.indexes);
}
}
Reference in a new issue View git blame Copy permalink