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Factorize vaomanager in its own file.

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This commit is contained in:
Vincent Lejeune 2014-09-07 19:58:53 +02:00
parent 193b588e22
commit af4136f864
4 changed files with 434 additions and 429 deletions
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325
src/graphics/glwrap.cpp
View File

@ -397,331 +397,6 @@ void setTexture(unsigned TextureUnit, GLuint TextureId, GLenum MagFilter, GLenum
glGetError();
}
VAOManager::VAOManager()
{
vao[0] = vao[1] = vao[2] = 0;
vbo[0] = vbo[1] = vbo[2] = 0;
ibo[0] = ibo[1] = ibo[2] = 0;
vtx_cnt[0] = vtx_cnt[1] = vtx_cnt[2] = 0;
idx_cnt[0] = idx_cnt[1] = idx_cnt[2] = 0;
vtx_mirror[0] = vtx_mirror[1] = vtx_mirror[2] = NULL;
idx_mirror[0] = idx_mirror[1] = idx_mirror[2] = NULL;
instance_count[0] = 0;
for (unsigned i = 0; i < InstanceTypeCount; i++)
{
glGenBuffers(1, &instance_vbo[i]);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[i]);
#ifdef Buffer_Storage
if (irr_driver->hasBufferStorageExtension())
{
glBufferStorage(GL_ARRAY_BUFFER, 10000 * sizeof(InstanceData), 0, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
Ptr[i] = glMapBufferRange(GL_ARRAY_BUFFER, 0, 10000 * sizeof(InstanceData), GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
}
else
#endif
{
glBufferData(GL_ARRAY_BUFFER, 10000 * sizeof(InstanceData), 0, GL_STREAM_DRAW);
}
}
}
static void cleanVAOMap(std::map<std::pair<video::E_VERTEX_TYPE, InstanceType>, GLuint> Map)
{
std::map<std::pair<video::E_VERTEX_TYPE, InstanceType>, GLuint>::iterator It = Map.begin(), E = Map.end();
for (; It != E; It++)
{
glDeleteVertexArrays(1, &(It->second));
}
}
void VAOManager::cleanInstanceVAOs()
{
cleanVAOMap(InstanceVAO);
InstanceVAO.clear();
}
VAOManager::~VAOManager()
{
cleanInstanceVAOs();
for (unsigned i = 0; i < 3; i++)
{
if (vtx_mirror[i])
free(vtx_mirror[i]);
if (idx_mirror[i])
free(idx_mirror[i]);
if (vbo[i])
glDeleteBuffers(1, &vbo[i]);
if (ibo[i])
glDeleteBuffers(1, &ibo[i]);
if (vao[i])
glDeleteVertexArrays(1, &vao[i]);
}
for (unsigned i = 0; i < InstanceTypeCount; i++)
{
glDeleteBuffers(1, &instance_vbo[i]);
}
}
void VAOManager::regenerateBuffer(enum VTXTYPE tp)
{
glBindVertexArray(0);
if (vbo[tp])
glDeleteBuffers(1, &vbo[tp]);
glGenBuffers(1, &vbo[tp]);
glBindBuffer(GL_ARRAY_BUFFER, vbo[tp]);
#ifdef Buffer_Storage
if (irr_driver->hasBufferStorageExtension())
{
glBufferStorage(GL_ARRAY_BUFFER, vtx_cnt[tp] * getVertexPitch(tp), vtx_mirror[tp], GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
VBOPtr[tp] = glMapBufferRange(GL_ARRAY_BUFFER, 0, vtx_cnt[tp] * getVertexPitch(tp), GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
}
else
#endif
glBufferData(GL_ARRAY_BUFFER, vtx_cnt[tp] * getVertexPitch(tp), vtx_mirror[tp], GL_DYNAMIC_DRAW);
if (ibo[tp])
glDeleteBuffers(1, &ibo[tp]);
glGenBuffers(1, &ibo[tp]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo[tp]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(u16)* idx_cnt[tp], idx_mirror[tp], GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
void VAOManager::regenerateVAO(enum VTXTYPE tp)
{
if (vao[tp])
glDeleteVertexArrays(1, &vao[tp]);
glGenVertexArrays(1, &vao[tp]);
glBindVertexArray(vao[tp]);
glBindBuffer(GL_ARRAY_BUFFER, vbo[tp]);
switch (tp)
{
case VTXTYPE_STANDARD:
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), 0);
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)12);
// Color
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, getVertexPitch(tp), (GLvoid*)24);
// Texcoord
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)28);
break;
case VTXTYPE_TCOORD:
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), 0);
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)12);
// Color
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, getVertexPitch(tp), (GLvoid*)24);
// Texcoord
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)28);
// SecondTexcoord
glEnableVertexAttribArray(4);
glVertexAttribPointer(4, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)36);
break;
case VTXTYPE_TANGENT:
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), 0);
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)12);
// Color
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, getVertexPitch(tp), (GLvoid*)24);
// Texcoord
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)28);
// Tangent
glEnableVertexAttribArray(5);
glVertexAttribPointer(5, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)36);
// Bitangent
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)48);
break;
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo[tp]);
glBindVertexArray(0);
}
void VAOManager::regenerateInstancedVAO()
{
cleanInstanceVAOs();
enum video::E_VERTEX_TYPE IrrVT[] = { video::EVT_STANDARD, video::EVT_2TCOORDS, video::EVT_TANGENTS };
for (unsigned i = 0; i < VTXTYPE_COUNT; i++)
{
video::E_VERTEX_TYPE tp = IrrVT[i];
if (!vbo[tp] || !ibo[tp])
continue;
GLuint vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeDefault]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(10);
glVertexAttribIPointer(10, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(10, 1);
glEnableVertexAttribArray(11);
glVertexAttribIPointer(11, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float) + 2 * sizeof(unsigned)));
glVertexAttribDivisor(11, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeDefault)] = vao;
vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeShadow]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(10);
glVertexAttribIPointer(10, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(10, 1);
glEnableVertexAttribArray(11);
glVertexAttribIPointer(11, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float) + 2 * sizeof(unsigned)));
glVertexAttribDivisor(11, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeShadow)] = vao;
vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeRSM]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(10);
glVertexAttribIPointer(10, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(10, 1);
glEnableVertexAttribArray(11);
glVertexAttribIPointer(11, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float) + 2 * sizeof(unsigned)));
glVertexAttribDivisor(11, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeRSM)] = vao;
vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeGlow]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(GlowInstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(GlowInstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(GlowInstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(12);
glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(GlowInstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(12, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeGlow)] = vao;
glBindVertexArray(0);
}
}
size_t VAOManager::getVertexPitch(enum VTXTYPE tp) const
{
switch (tp)
{
case VTXTYPE_STANDARD:
return getVertexPitchFromType(video::EVT_STANDARD);
case VTXTYPE_TCOORD:
return getVertexPitchFromType(video::EVT_2TCOORDS);
case VTXTYPE_TANGENT:
return getVertexPitchFromType(video::EVT_TANGENTS);
default:
assert(0 && "Wrong vtxtype");
return -1;
}
}
VAOManager::VTXTYPE VAOManager::getVTXTYPE(video::E_VERTEX_TYPE type)
{
switch (type)
{
default:
assert(0 && "Wrong vtxtype");
case video::EVT_STANDARD:
return VTXTYPE_STANDARD;
case video::EVT_2TCOORDS:
return VTXTYPE_TCOORD;
case video::EVT_TANGENTS:
return VTXTYPE_TANGENT;
}
};
void VAOManager::append(scene::IMeshBuffer *mb, VTXTYPE tp)
{
size_t old_vtx_cnt = vtx_cnt[tp];
vtx_cnt[tp] += mb->getVertexCount();
vtx_mirror[tp] = realloc(vtx_mirror[tp], vtx_cnt[tp] * getVertexPitch(tp));
intptr_t dstptr = (intptr_t)vtx_mirror[tp] + (old_vtx_cnt * getVertexPitch(tp));
memcpy((void *)dstptr, mb->getVertices(), mb->getVertexCount() * getVertexPitch(tp));
mappedBaseVertex[tp][mb] = old_vtx_cnt;
size_t old_idx_cnt = idx_cnt[tp];
idx_cnt[tp] += mb->getIndexCount();
idx_mirror[tp] = realloc(idx_mirror[tp], idx_cnt[tp] * sizeof(u16));
dstptr = (intptr_t)idx_mirror[tp] + (old_idx_cnt * sizeof(u16));
memcpy((void *)dstptr, mb->getIndices(), mb->getIndexCount() * sizeof(u16));
mappedBaseIndex[tp][mb] = old_idx_cnt * sizeof(u16);
}
std::pair<unsigned, unsigned> VAOManager::getBase(scene::IMeshBuffer *mb)
{
VTXTYPE tp = getVTXTYPE(mb->getVertexType());
if (mappedBaseVertex[tp].find(mb) == mappedBaseVertex[tp].end())
{
assert(mappedBaseIndex[tp].find(mb) == mappedBaseIndex[tp].end());
storedCPUBuffer[tp].push_back(mb);
append(mb, tp);
regenerateBuffer(tp);
regenerateVAO(tp);
regenerateInstancedVAO();
}
std::map<scene::IMeshBuffer*, unsigned>::iterator It;
It = mappedBaseVertex[tp].find(mb);
assert(It != mappedBaseVertex[tp].end());
unsigned vtx = It->second;
It = mappedBaseIndex[tp].find(mb);
assert(It != mappedBaseIndex[tp].end());
return std::pair<unsigned, unsigned>(vtx, It->second);
}
ScopedGPUTimer::ScopedGPUTimer(GPUTimer &t) : timer(t)
{
if (!UserConfigParams::m_profiler_enabled) return;

105
src/graphics/glwrap.hpp
View File

@ -6,7 +6,7 @@
#include <vector>
#include "irr_driver.hpp"
#include "utils/log.hpp"
#include "vaomanager.hpp"
void initGL();
GLuint LoadTFBProgram(const char * vertex_file_path, const char **varyings, unsigned varyingscount);
@ -139,109 +139,6 @@ void compressTexture(irr::video::ITexture *tex, bool srgb, bool premul_alpha = f
bool loadCompressedTexture(const std::string& compressed_tex);
void saveCompressedTexture(const std::string& compressed_tex);
enum InstanceType
{
InstanceTypeDefault,
InstanceTypeShadow,
InstanceTypeRSM,
InstanceTypeGlow,
InstanceTypeCount,
};
#ifdef WIN32
#pragma pack(push, 1)
#endif
struct InstanceData
{
struct
{
float X;
float Y;
float Z;
} Origin;
struct
{
float X;
float Y;
float Z;
} Orientation;
struct
{
float X;
float Y;
float Z;
} Scale;
uint64_t Texture;
uint64_t SecondTexture;
#ifdef WIN32
};
#else
} __attribute__((packed));
#endif
struct GlowInstanceData
{
struct
{
float X;
float Y;
float Z;
} Origin;
struct
{
float X;
float Y;
float Z;
} Orientation;
struct
{
float X;
float Y;
float Z;
} Scale;
unsigned Color;
#ifdef WIN32
};
#else
} __attribute__((packed));
#endif
#ifdef WIN32
#pragma pack(pop)
#endif
class VAOManager : public Singleton<VAOManager>
{
enum VTXTYPE { VTXTYPE_STANDARD, VTXTYPE_TCOORD, VTXTYPE_TANGENT, VTXTYPE_COUNT };
GLuint vbo[VTXTYPE_COUNT], ibo[VTXTYPE_COUNT], vao[VTXTYPE_COUNT];
GLuint instance_vbo[InstanceTypeCount];
size_t instance_count[InstanceTypeCount];
void *Ptr[InstanceTypeCount];
void *VBOPtr[VTXTYPE_COUNT];
std::vector<scene::IMeshBuffer *> storedCPUBuffer[VTXTYPE_COUNT];
void *vtx_mirror[VTXTYPE_COUNT], *idx_mirror[VTXTYPE_COUNT];
size_t vtx_cnt[VTXTYPE_COUNT], idx_cnt[VTXTYPE_COUNT];
std::map<scene::IMeshBuffer*, unsigned> mappedBaseVertex[VTXTYPE_COUNT], mappedBaseIndex[VTXTYPE_COUNT];
std::map<std::pair<video::E_VERTEX_TYPE, InstanceType>, GLuint> InstanceVAO;
void cleanInstanceVAOs();
void regenerateBuffer(enum VTXTYPE);
void regenerateVAO(enum VTXTYPE);
void regenerateInstancedVAO();
size_t getVertexPitch(enum VTXTYPE) const;
VTXTYPE getVTXTYPE(video::E_VERTEX_TYPE type);
void append(scene::IMeshBuffer *, VTXTYPE tp);
public:
VAOManager();
std::pair<unsigned, unsigned> getBase(scene::IMeshBuffer *);
GLuint getInstanceBuffer(InstanceType it) { return instance_vbo[it]; }
void *getInstanceBufferPtr(InstanceType it) { return Ptr[it]; }
unsigned getVBO(video::E_VERTEX_TYPE type) { return vbo[getVTXTYPE(type)]; }
void *getVBOPtr(video::E_VERTEX_TYPE type) { return VBOPtr[getVTXTYPE(type)]; }
unsigned getVAO(video::E_VERTEX_TYPE type) { return vao[getVTXTYPE(type)]; }
unsigned getInstanceVAO(video::E_VERTEX_TYPE vt, enum InstanceType it) { return InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(vt, it)]; }
~VAOManager();
};
void draw3DLine(const core::vector3df& start,
const core::vector3df& end, irr::video::SColor color);

320
src/graphics/vaomanager.cpp Normal file
View File

@ -0,0 +1,320 @@
#include "vaomanager.hpp"
#include "stkmesh.hpp"
VAOManager::VAOManager()
{
vao[0] = vao[1] = vao[2] = 0;
vbo[0] = vbo[1] = vbo[2] = 0;
ibo[0] = ibo[1] = ibo[2] = 0;
vtx_cnt[0] = vtx_cnt[1] = vtx_cnt[2] = 0;
idx_cnt[0] = idx_cnt[1] = idx_cnt[2] = 0;
vtx_mirror[0] = vtx_mirror[1] = vtx_mirror[2] = NULL;
idx_mirror[0] = idx_mirror[1] = idx_mirror[2] = NULL;
instance_count[0] = 0;
for (unsigned i = 0; i < InstanceTypeCount; i++)
{
glGenBuffers(1, &instance_vbo[i]);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[i]);
#ifdef Buffer_Storage
if (irr_driver->hasBufferStorageExtension())
{
glBufferStorage(GL_ARRAY_BUFFER, 10000 * sizeof(InstanceData), 0, GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
Ptr[i] = glMapBufferRange(GL_ARRAY_BUFFER, 0, 10000 * sizeof(InstanceData), GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
}
else
#endif
{
glBufferData(GL_ARRAY_BUFFER, 10000 * sizeof(InstanceData), 0, GL_STREAM_DRAW);
}
}
}
void VAOManager::cleanInstanceVAOs()
{
std::map<std::pair<video::E_VERTEX_TYPE, InstanceType>, GLuint>::iterator It = InstanceVAO.begin(), E = InstanceVAO.end();
for (; It != E; It++)
glDeleteVertexArrays(1, &(It->second));
InstanceVAO.clear();
}
VAOManager::~VAOManager()
{
cleanInstanceVAOs();
for (unsigned i = 0; i < 3; i++)
{
if (vtx_mirror[i])
free(vtx_mirror[i]);
if (idx_mirror[i])
free(idx_mirror[i]);
if (vbo[i])
glDeleteBuffers(1, &vbo[i]);
if (ibo[i])
glDeleteBuffers(1, &ibo[i]);
if (vao[i])
glDeleteVertexArrays(1, &vao[i]);
}
for (unsigned i = 0; i < InstanceTypeCount; i++)
{
glDeleteBuffers(1, &instance_vbo[i]);
}
}
void VAOManager::regenerateBuffer(enum VTXTYPE tp)
{
glBindVertexArray(0);
if (vbo[tp])
glDeleteBuffers(1, &vbo[tp]);
glGenBuffers(1, &vbo[tp]);
glBindBuffer(GL_ARRAY_BUFFER, vbo[tp]);
#ifdef Buffer_Storage
if (irr_driver->hasBufferStorageExtension())
{
glBufferStorage(GL_ARRAY_BUFFER, vtx_cnt[tp] * getVertexPitch(tp), vtx_mirror[tp], GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
VBOPtr[tp] = glMapBufferRange(GL_ARRAY_BUFFER, 0, vtx_cnt[tp] * getVertexPitch(tp), GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
}
else
#endif
glBufferData(GL_ARRAY_BUFFER, vtx_cnt[tp] * getVertexPitch(tp), vtx_mirror[tp], GL_DYNAMIC_DRAW);
if (ibo[tp])
glDeleteBuffers(1, &ibo[tp]);
glGenBuffers(1, &ibo[tp]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo[tp]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(u16)* idx_cnt[tp], idx_mirror[tp], GL_DYNAMIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
void VAOManager::regenerateVAO(enum VTXTYPE tp)
{
if (vao[tp])
glDeleteVertexArrays(1, &vao[tp]);
glGenVertexArrays(1, &vao[tp]);
glBindVertexArray(vao[tp]);
glBindBuffer(GL_ARRAY_BUFFER, vbo[tp]);
switch (tp)
{
case VTXTYPE_STANDARD:
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), 0);
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)12);
// Color
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, getVertexPitch(tp), (GLvoid*)24);
// Texcoord
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)28);
break;
case VTXTYPE_TCOORD:
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), 0);
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)12);
// Color
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, getVertexPitch(tp), (GLvoid*)24);
// Texcoord
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)28);
// SecondTexcoord
glEnableVertexAttribArray(4);
glVertexAttribPointer(4, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)36);
break;
case VTXTYPE_TANGENT:
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), 0);
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)12);
// Color
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, getVertexPitch(tp), (GLvoid*)24);
// Texcoord
glEnableVertexAttribArray(3);
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)28);
// Tangent
glEnableVertexAttribArray(5);
glVertexAttribPointer(5, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)36);
// Bitangent
glEnableVertexAttribArray(6);
glVertexAttribPointer(6, 3, GL_FLOAT, GL_FALSE, getVertexPitch(tp), (GLvoid*)48);
break;
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo[tp]);
glBindVertexArray(0);
}
void VAOManager::regenerateInstancedVAO()
{
cleanInstanceVAOs();
enum video::E_VERTEX_TYPE IrrVT[] = { video::EVT_STANDARD, video::EVT_2TCOORDS, video::EVT_TANGENTS };
for (unsigned i = 0; i < VTXTYPE_COUNT; i++)
{
video::E_VERTEX_TYPE tp = IrrVT[i];
if (!vbo[tp] || !ibo[tp])
continue;
GLuint vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeDefault]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(10);
glVertexAttribIPointer(10, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(10, 1);
glEnableVertexAttribArray(11);
glVertexAttribIPointer(11, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float) + 2 * sizeof(unsigned)));
glVertexAttribDivisor(11, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeDefault)] = vao;
vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeShadow]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(10);
glVertexAttribIPointer(10, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(10, 1);
glEnableVertexAttribArray(11);
glVertexAttribIPointer(11, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float) + 2 * sizeof(unsigned)));
glVertexAttribDivisor(11, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeShadow)] = vao;
vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeRSM]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(InstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(10);
glVertexAttribIPointer(10, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(10, 1);
glEnableVertexAttribArray(11);
glVertexAttribIPointer(11, 2, GL_UNSIGNED_INT, sizeof(InstanceData), (GLvoid*)(9 * sizeof(float) + 2 * sizeof(unsigned)));
glVertexAttribDivisor(11, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeRSM)] = vao;
vao = createVAO(vbo[tp], ibo[tp], tp);
glBindBuffer(GL_ARRAY_BUFFER, instance_vbo[InstanceTypeGlow]);
glEnableVertexAttribArray(7);
glVertexAttribPointer(7, 3, GL_FLOAT, GL_FALSE, sizeof(GlowInstanceData), 0);
glVertexAttribDivisor(7, 1);
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 3, GL_FLOAT, GL_FALSE, sizeof(GlowInstanceData), (GLvoid*)(3 * sizeof(float)));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 3, GL_FLOAT, GL_FALSE, sizeof(GlowInstanceData), (GLvoid*)(6 * sizeof(float)));
glVertexAttribDivisor(9, 1);
glEnableVertexAttribArray(12);
glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(GlowInstanceData), (GLvoid*)(9 * sizeof(float)));
glVertexAttribDivisor(12, 1);
InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(tp, InstanceTypeGlow)] = vao;
glBindVertexArray(0);
}
}
size_t VAOManager::getVertexPitch(enum VTXTYPE tp) const
{
switch (tp)
{
case VTXTYPE_STANDARD:
return getVertexPitchFromType(video::EVT_STANDARD);
case VTXTYPE_TCOORD:
return getVertexPitchFromType(video::EVT_2TCOORDS);
case VTXTYPE_TANGENT:
return getVertexPitchFromType(video::EVT_TANGENTS);
default:
assert(0 && "Wrong vtxtype");
return -1;
}
}
VAOManager::VTXTYPE VAOManager::getVTXTYPE(video::E_VERTEX_TYPE type)
{
switch (type)
{
default:
assert(0 && "Wrong vtxtype");
case video::EVT_STANDARD:
return VTXTYPE_STANDARD;
case video::EVT_2TCOORDS:
return VTXTYPE_TCOORD;
case video::EVT_TANGENTS:
return VTXTYPE_TANGENT;
}
};
void VAOManager::append(scene::IMeshBuffer *mb, VTXTYPE tp)
{
size_t old_vtx_cnt = vtx_cnt[tp];
vtx_cnt[tp] += mb->getVertexCount();
vtx_mirror[tp] = realloc(vtx_mirror[tp], vtx_cnt[tp] * getVertexPitch(tp));
intptr_t dstptr = (intptr_t)vtx_mirror[tp] + (old_vtx_cnt * getVertexPitch(tp));
memcpy((void *)dstptr, mb->getVertices(), mb->getVertexCount() * getVertexPitch(tp));
mappedBaseVertex[tp][mb] = old_vtx_cnt;
size_t old_idx_cnt = idx_cnt[tp];
idx_cnt[tp] += mb->getIndexCount();
idx_mirror[tp] = realloc(idx_mirror[tp], idx_cnt[tp] * sizeof(u16));
dstptr = (intptr_t)idx_mirror[tp] + (old_idx_cnt * sizeof(u16));
memcpy((void *)dstptr, mb->getIndices(), mb->getIndexCount() * sizeof(u16));
mappedBaseIndex[tp][mb] = old_idx_cnt * sizeof(u16);
}
std::pair<unsigned, unsigned> VAOManager::getBase(scene::IMeshBuffer *mb)
{
VTXTYPE tp = getVTXTYPE(mb->getVertexType());
if (mappedBaseVertex[tp].find(mb) == mappedBaseVertex[tp].end())
{
assert(mappedBaseIndex[tp].find(mb) == mappedBaseIndex[tp].end());
storedCPUBuffer[tp].push_back(mb);
append(mb, tp);
regenerateBuffer(tp);
regenerateVAO(tp);
regenerateInstancedVAO();
}
std::map<scene::IMeshBuffer*, unsigned>::iterator It;
It = mappedBaseVertex[tp].find(mb);
assert(It != mappedBaseVertex[tp].end());
unsigned vtx = It->second;
It = mappedBaseIndex[tp].find(mb);
assert(It != mappedBaseIndex[tp].end());
return std::pair<unsigned, unsigned>(vtx, It->second);
}

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src/graphics/vaomanager.hpp Normal file
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#ifndef VAOMANAGER_HPP
#define VAOMANAGER_HPP
#include "gl_headers.hpp"
#include "utils/singleton.hpp"
#include "irr_driver.hpp"
#include <vector>
#include <map>
enum InstanceType
{
InstanceTypeDefault,
InstanceTypeShadow,
InstanceTypeRSM,
InstanceTypeGlow,
InstanceTypeCount,
};
#ifdef WIN32
#pragma pack(push, 1)
#endif
struct InstanceData
{
struct
{
float X;
float Y;
float Z;
} Origin;
struct
{
float X;
float Y;
float Z;
} Orientation;
struct
{
float X;
float Y;
float Z;
} Scale;
uint64_t Texture;
uint64_t SecondTexture;
#ifdef WIN32
};
#else
} __attribute__((packed));
#endif
struct GlowInstanceData
{
struct
{
float X;
float Y;
float Z;
} Origin;
struct
{
float X;
float Y;
float Z;
} Orientation;
struct
{
float X;
float Y;
float Z;
} Scale;
unsigned Color;
#ifdef WIN32
};
#else
} __attribute__((packed));
#endif
#ifdef WIN32
#pragma pack(pop)
#endif
class VAOManager : public Singleton<VAOManager>
{
enum VTXTYPE { VTXTYPE_STANDARD, VTXTYPE_TCOORD, VTXTYPE_TANGENT, VTXTYPE_COUNT };
GLuint vbo[VTXTYPE_COUNT], ibo[VTXTYPE_COUNT], vao[VTXTYPE_COUNT];
GLuint instance_vbo[InstanceTypeCount];
size_t instance_count[InstanceTypeCount];
void *Ptr[InstanceTypeCount];
void *VBOPtr[VTXTYPE_COUNT];
std::vector<scene::IMeshBuffer *> storedCPUBuffer[VTXTYPE_COUNT];
void *vtx_mirror[VTXTYPE_COUNT], *idx_mirror[VTXTYPE_COUNT];
size_t vtx_cnt[VTXTYPE_COUNT], idx_cnt[VTXTYPE_COUNT];
std::map<scene::IMeshBuffer*, unsigned> mappedBaseVertex[VTXTYPE_COUNT], mappedBaseIndex[VTXTYPE_COUNT];
std::map<std::pair<video::E_VERTEX_TYPE, InstanceType>, GLuint> InstanceVAO;
void cleanInstanceVAOs();
void regenerateBuffer(enum VTXTYPE);
void regenerateVAO(enum VTXTYPE);
void regenerateInstancedVAO();
size_t getVertexPitch(enum VTXTYPE) const;
VTXTYPE getVTXTYPE(video::E_VERTEX_TYPE type);
void append(scene::IMeshBuffer *, VTXTYPE tp);
public:
VAOManager();
std::pair<unsigned, unsigned> getBase(scene::IMeshBuffer *);
GLuint getInstanceBuffer(InstanceType it) { return instance_vbo[it]; }
void *getInstanceBufferPtr(InstanceType it) { return Ptr[it]; }
unsigned getVBO(video::E_VERTEX_TYPE type) { return vbo[getVTXTYPE(type)]; }
void *getVBOPtr(video::E_VERTEX_TYPE type) { return VBOPtr[getVTXTYPE(type)]; }
unsigned getVAO(video::E_VERTEX_TYPE type) { return vao[getVTXTYPE(type)]; }
unsigned getInstanceVAO(video::E_VERTEX_TYPE vt, enum InstanceType it) { return InstanceVAO[std::pair<video::E_VERTEX_TYPE, InstanceType>(vt, it)]; }
~VAOManager();
};
#endif