JNIEXPORT void JNICALL Java_org_lwjgl_opengl_NVVertexBufferUnifiedMemory_nglColorFormatNV(JNIEnv *env, jclass clazz, jint size, jint type, jint stride, jlong function_pointer) {
glColorFormatNVPROC glColorFormatNV = (glColorFormatNVPROC)((intptr_t)function_pointer);
glColorFormatNV(size, type, stride);
}
void GLRenderer::drawMesh(const GPUGeometry *_geo) {
const GLGeometry *geo = static_cast<const GLGeometry *>(_geo);
const TriMesh *mesh = geo->getTriMesh();
GLuint indexSize = geo->m_size[GLGeometry::EIndexID];
GLuint vertexSize = geo->m_size[GLGeometry::EVertexID];
/* Draw using vertex buffer objects (bindless if supported) */
if (m_capabilities->isSupported(RendererCapabilities::EBindless)) {
GLuint64 indexAddr = geo->m_addr[GLGeometry::EIndexID];
GLuint64 vertexAddr = geo->m_addr[GLGeometry::EVertexID];
int stride = geo->m_stride;
if (stride != m_stride) {
glVertexFormatNV(3, GL_FLOAT, stride);
glNormalFormatNV(GL_FLOAT, stride);
glClientActiveTexture(GL_TEXTURE0);
glTexCoordFormatNV(2, GL_FLOAT, stride);
glClientActiveTexture(GL_TEXTURE1);
glTexCoordFormatNV(3, GL_FLOAT, stride);
glColorFormatNV(3, GL_FLOAT, stride);
m_stride = stride;
}
glBufferAddressRangeNV(GL_VERTEX_ARRAY_ADDRESS_NV,
0, vertexAddr, vertexSize);
if (!m_transmitOnlyPositions) {
int pos = 3 * sizeof(GLfloat);
if (mesh->hasVertexNormals()) {
if (!m_normalsEnabled) {
glEnableClientState(GL_NORMAL_ARRAY);
m_normalsEnabled = true;
}
glBufferAddressRangeNV(GL_NORMAL_ARRAY_ADDRESS_NV, 0,
vertexAddr + pos, vertexSize - pos);
pos += 3 * sizeof(GLfloat);
} else if (m_normalsEnabled) {
glDisableClientState(GL_NORMAL_ARRAY);
m_normalsEnabled = false;
}
if (mesh->hasVertexTexcoords()) {
glClientActiveTexture(GL_TEXTURE0);
if (!m_texcoordsEnabled) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
m_texcoordsEnabled = true;
}
glBufferAddressRangeNV(GL_TEXTURE_COORD_ARRAY_ADDRESS_NV, 0,
vertexAddr + pos, vertexSize - pos);
pos += 2 * sizeof(GLfloat);
} else if (m_texcoordsEnabled) {
glClientActiveTexture(GL_TEXTURE0);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
m_texcoordsEnabled = false;
}
/* Pass 'dpdu' as second set of texture coordinates */
if (mesh->hasUVTangents()) {
glClientActiveTexture(GL_TEXTURE1);
if (!m_tangentsEnabled) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
m_tangentsEnabled = true;
}
glBufferAddressRangeNV(GL_TEXTURE_COORD_ARRAY_ADDRESS_NV, 1,
vertexAddr + pos, vertexSize - pos);
pos += 3 * sizeof(GLfloat);
} else if (m_tangentsEnabled) {
glClientActiveTexture(GL_TEXTURE1);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
m_tangentsEnabled = false;
}
if (mesh->hasVertexColors()) {
if (!m_colorsEnabled) {
glEnableClientState(GL_COLOR_ARRAY);
m_colorsEnabled = true;
}
glBufferAddressRangeNV(GL_COLOR_ARRAY_ADDRESS_NV, 0,
vertexAddr + pos, vertexSize - pos);
} else if (m_colorsEnabled) {
glDisableClientState(GL_COLOR_ARRAY);
m_colorsEnabled = false;
}
}
glBufferAddressRangeNV(GL_ELEMENT_ARRAY_ADDRESS_NV, 0,
indexAddr, indexSize);
} else {
glBindBuffer(GL_ARRAY_BUFFER, geo->m_id[GLGeometry::EVertexID]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, geo->m_id[GLGeometry::EIndexID]);
int stride = geo->m_stride;
/* Set up the vertex/normal arrays */
glVertexPointer(3, GL_FLOAT, stride, (GLfloat *) 0);
if (!m_transmitOnlyPositions) {
int pos = 3;
if (mesh->hasVertexNormals()) {
if (!m_normalsEnabled) {
glEnableClientState(GL_NORMAL_ARRAY);
m_normalsEnabled = true;
}
glNormalPointer(GL_FLOAT, stride, (GLfloat *) 0 + pos);
pos += 3;
} else if (m_normalsEnabled) {
glDisableClientState(GL_NORMAL_ARRAY);
m_normalsEnabled = false;
}
if (mesh->hasVertexTexcoords()) {
glClientActiveTexture(GL_TEXTURE0);
if (!m_texcoordsEnabled) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
m_texcoordsEnabled = true;
}
glTexCoordPointer(2, GL_FLOAT, stride, (GLfloat *) 0 + pos);
pos += 2;
} else if (m_texcoordsEnabled) {
glClientActiveTexture(GL_TEXTURE0);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
m_texcoordsEnabled = false;
}
/* Pass 'dpdu' as second set of texture coordinates */
if (mesh->hasUVTangents()) {
glClientActiveTexture(GL_TEXTURE1);
if (!m_tangentsEnabled) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
m_tangentsEnabled = true;
}
glTexCoordPointer(3, GL_FLOAT, stride, (GLfloat *) 0 + pos);
pos += 3;
} else if (m_tangentsEnabled) {
glClientActiveTexture(GL_TEXTURE1);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
m_tangentsEnabled = false;
}
if (mesh->hasVertexColors()) {
if (!m_colorsEnabled) {
glEnableClientState(GL_COLOR_ARRAY);
m_colorsEnabled = true;
}
glColorPointer(3, GL_FLOAT, stride, (GLfloat *) 0 + pos);
} else if (m_colorsEnabled) {
glDisableClientState(GL_COLOR_ARRAY);
m_colorsEnabled = false;
}
}
}
size_t size = mesh->getTriangleCount();
if (EXPECT_TAKEN(m_queuedTriangles + size < MTS_GL_MAX_QUEUED_TRIS)) {
/* Draw all triangles */
glDrawElements(GL_TRIANGLES, (GLsizei) (size * 3),
GL_UNSIGNED_INT, (GLvoid *) 0);
m_queuedTriangles += size;
} else {
/* Spoon-feed them (keeps the OS responsive) */
size_t size = mesh->getTriangleCount(), cur = 0;
while (cur < size) {
size_t drawAmt = std::min(size - cur,
MTS_GL_MAX_QUEUED_TRIS - m_queuedTriangles);
if (drawAmt > 0)
glDrawElements(GL_TRIANGLES, (GLsizei) (drawAmt * 3),
GL_UNSIGNED_INT, (GLuint *) 0 + cur * 3);
m_queuedTriangles += drawAmt; cur += drawAmt;
if (cur < size)
finish();
}
}
}
