/*
* =================
* RB_DrawArrays
* =================
*/
void RB_DrawArrays(void)
{
if ((rb_vertex == 0) || (rb_index == 0)) // nothing to render
{
return;
}
GL_LockArrays(rb_vertex);
if (glConfig.drawRangeElements)
{
glDrawRangeElementsEXT(GL_TRIANGLES, 0, rb_vertex, rb_index, GL_UNSIGNED_INT, indexArray);
}
else
{
glDrawElements(GL_TRIANGLES, rb_index, GL_UNSIGNED_INT, indexArray);
}
GL_UnlockArrays();
}
//Draw a mesh face
void BSP::DrawMeshFace(int meshFaceNumber)
{
//skip this face if its texture was not loaded
if(isTextureLoaded[meshFaces[meshFaceNumber].textureIndex]==false)
return;
//set array pointers
glVertexPointer( 3, GL_FLOAT, sizeof(BSP_VERTEX),
&vertices[meshFaces[meshFaceNumber].firstVertexIndex].position);
glTexCoordPointer( 2, GL_FLOAT, sizeof(BSP_VERTEX),
&vertices[meshFaces[meshFaceNumber].firstVertexIndex].decalS);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glTexCoordPointer( 2, GL_FLOAT, sizeof(BSP_VERTEX),
&vertices[meshFaces[meshFaceNumber].firstVertexIndex].lightmapS);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
//bind textures
//unit 0 - decal texture
glBindTexture(GL_TEXTURE_2D, decalTextures[meshFaces[meshFaceNumber].textureIndex]);
//unit 1 - lightmap
glActiveTextureARB(GL_TEXTURE1_ARB);
if(meshFaces[meshFaceNumber].lightmapIndex>=0) //only bind a lightmap if one exists
glBindTexture(GL_TEXTURE_2D, lightmapTextures[meshFaces[meshFaceNumber].lightmapIndex]);
else
glBindTexture(GL_TEXTURE_2D, whiteTexture);
glActiveTextureARB(GL_TEXTURE0_ARB);
//draw the face, using meshIndices
if(!EXT_draw_range_elements_supported)
{
glDrawElements( GL_TRIANGLES, meshFaces[meshFaceNumber].numMeshIndices, GL_UNSIGNED_INT,
&meshIndices[meshFaces[meshFaceNumber].firstMeshIndex]);
}
else
{
glDrawRangeElementsEXT( GL_TRIANGLES, 0, meshFaces[meshFaceNumber].numVertices,
meshFaces[meshFaceNumber].numMeshIndices, GL_UNSIGNED_INT,
&meshIndices[meshFaces[meshFaceNumber].firstMeshIndex]);
}
}
void Draw_Mesh_simple(Mesh_t *mesh)
{
int meshtype = mesh->meshtype;
LUX_DEBUGASSERT(mesh);
if (!mesh->numVertices)
return;
// draw mesh
if (meshtype != MESH_DL){
int n;
ushort *pointtri;
uint *pointtriI;
uint offsetTri;
uint vertexoffset;
GLenum rendertype = mesh->primtype;
GLenum indicestype = mesh->index16 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;
LUX_DEBUGASSERT(!(mesh->meshtype == MESH_VBO && !mesh->vid.vbo));
if (mesh->vid.ibo){
pointtri = NULL;
pointtriI = NULL;
offsetTri = mesh->vid.ibooffset;
}
else{
offsetTri = 0;
pointtri = mesh->indicesData16;
pointtriI = mesh->indicesData32;
}
vidBindBufferIndex(mesh->vid.ibo);
vertexoffset = mesh->vid.vbo ? mesh->vid.vbooffset : 0;
// feed vertex attribs
{
int t;
Mesh_setStandardAttribsGL(mesh,
!(g_VID.state.renderflag & RENDER_NOVERTEXCOLOR),
g_VID.drawsetup.lightCnt || g_VID.drawsetup.setnormals);
for (t = 0; t < VID_MAX_TEXTURE_UNITS; t++){
if (g_VID.state.texcoords[t].type < 0){
Mesh_setTexCoordGL(mesh,t,g_VID.state.texcoords[t].channel);
}
}
if (g_VID.drawsetup.attribs.needed & (1<<VERTEX_ATTRIB_TANGENT)){
Mesh_setTangentGL(mesh);
}
}
if (mesh->vid.ibo || mesh->indicesData){
if (mesh->numGroups < 2){
if (GLEW_EXT_draw_range_elements)
glDrawRangeElementsEXT(rendertype,mesh->indexMin + vertexoffset,mesh->indexMax + vertexoffset, USED_INDICES(mesh->numIndices), indicestype ,mesh->index16 ? (void*)(&pointtri[offsetTri]) : (void*)(&pointtriI[offsetTri]));
else
glDrawElements(rendertype, USED_INDICES(mesh->numIndices), indicestype, mesh->index16 ? (void*)(&pointtri[offsetTri]) : (void*)(&pointtriI[offsetTri]));
}
else {
for (n = 0; n < mesh->numGroups; n++){
if (GLEW_EXT_draw_range_elements)
glDrawRangeElementsEXT(rendertype,mesh->indexMin + vertexoffset,mesh->indexMax + vertexoffset, USED_INDICES(mesh->indicesGroupLength[n]), indicestype ,mesh->index16 ? (void*)(&pointtri[offsetTri]) : (void*)(&pointtriI[offsetTri]));
else
glDrawElements(rendertype, USED_INDICES(mesh->indicesGroupLength[n]), indicestype, mesh->index16 ? (void*)(&pointtri[offsetTri]) : (void*)(&pointtriI[offsetTri]));
offsetTri += mesh->indicesGroupLength[n];
}
}
}
else{
glDrawArrays(rendertype,vertexoffset,mesh->numVertices);
}
}
else{
vidBindBufferArray(NULL);
vidBindBufferIndex(NULL);
if (g_VID.gpuvendor == VID_VENDOR_ATI)
if((g_VID.drawsetup.lightCnt || g_VID.drawsetup.setnormals) && (mesh->vertextype == VERTEX_32_NRM || mesh->vertextype == VERTEX_64_TEX4 || mesh->vertextype == VERTEX_64_SKIN || mesh->vertextype == VERTEX_32_FN))
glEnableClientState(GL_NORMAL_ARRAY);
else
glDisableClientState(GL_NORMAL_ARRAY);
glCallList(mesh->vid.glID);
g_VID.state.activeTex = -1;
g_VID.state.activeClientTex = -1;
LUX_DEBUGASSERT(!glIsEnabled(GL_COLOR_ARRAY)==isFlagSet(g_VID.state.renderflag,RENDER_NOVERTEXCOLOR));
//if (!glIsEnabled(GL_COLOR_ARRAY)) g_VID.state.renderflag |= RENDER_NOVERTEXCOLOR;
//else g_VID.state.renderflag &= ~RENDER_NOVERTEXCOLOR;
vidResetPointer();
}
#if 0
glEnableClientState(GL_VERTEX_ARRAY);
vidResetPointer();
vidResetBuffers();
#endif
}
void draw() const
{
// Bail out if there's nothing to draw
if (empty())
return;
// Pass all of our triangle data
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
assert((textureCount == 0
|| _VertexArray.size() == _TexCoordArrays[0].size())
&& _VertexArray.size() == _NormalArray.size());
// Pass the VertexArray
_VertexArray.draw();
_NormalArray.draw();
// Pass texture data for all texture units
/* NOTE: Although the single loop would suffice, to allow the
* compiler to optimise this code (by removing unreachable
* code in case of <= 1 texture) this switch statement is
* required.
*/
switch (textureCount)
{
case 0:
break;
case 1:
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
_TexCoordArrays[0].draw();
break;
default:
{
GLenum unit = GL_TEXTURE0;
for (size_t i = 0; i < textureCount; ++i)
{
if (GLEE_VERSION_1_3)
glClientActiveTexture(unit++);
else if (GLEE_ARB_multitexture)
glClientActiveTextureARB(unit++);
else
assert(!"Shouldn't ever get here!");
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
_TexCoordArrays[i].draw();
}
break;
}
}
if (_indices)
{
#ifndef NDEBUG
if (_indices_modified)
{
for (typename std::vector<IndexIntegerType>::const_iterator i = _indices->begin(); i != _indices->end(); ++i)
assert(*i < _VertexArray.size());
_indices_modified = false;
}
#endif
// Draw all contained triangles based on the array of indices
if (GLEE_VERSION_1_2)
glDrawRangeElements(GL_TRIANGLES, 0, _VertexArray.size() - 1, _indices->size(), OpenGLTypeConstant<IndexIntegerType>::constant, &(*_indices)[0]);
else if (GLEE_EXT_draw_range_elements)
glDrawRangeElementsEXT(GL_TRIANGLES, 0, _VertexArray.size() - 1, _indices->size(), OpenGLTypeConstant<IndexIntegerType>::constant, &(*_indices)[0]);
else
glDrawElements(GL_TRIANGLES, _indices->size(), OpenGLTypeConstant<IndexIntegerType>::constant, &(*_indices)[0]);
}
else
{
glDrawArrays(GL_TRIANGLES, 0, _VertexArray.size());
}
// Disable the GL_VERTEX_ARRAY client state to prevent strange behaviour
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
/* NOTE: Although the single loop would suffice, to allow the
* compiler to optimise this code (by removing unreachable
* code in case of <= 1 texture) this switch statement is
* required.
*/
switch (textureCount)
{
case 0:
break;
case 1:
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
break;
default:
{
GLenum unit = GL_TEXTURE0;
for (size_t i = 0; i < textureCount; ++i)
{
if (GLEE_VERSION_1_3)
glClientActiveTexture(unit++);
else if (GLEE_ARB_multitexture)
glClientActiveTextureARB(unit++);
else
assert(!"Shouldn't ever get here!");
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
if (GLEE_VERSION_1_3)
glClientActiveTexture(GL_TEXTURE0);
else if (GLEE_ARB_multitexture)
glClientActiveTextureARB(GL_TEXTURE0);
else
assert(!"Shouldn't ever get here!");
break;
}
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTDrawRangeElements_nglDrawRangeElementsEXT(JNIEnv *env, jclass clazz, jint mode, jint start, jint end, jint count, jint type, jobject pIndices, jint pIndices_position, jlong function_pointer) {
const GLvoid *pIndices_address = ((const GLvoid *)(((char *)(*env)->GetDirectBufferAddress(env, pIndices)) + pIndices_position));
glDrawRangeElementsEXTPROC glDrawRangeElementsEXT = (glDrawRangeElementsEXTPROC)((intptr_t)function_pointer);
glDrawRangeElementsEXT(mode, start, end, count, type, pIndices_address);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTDrawRangeElements_nglDrawRangeElementsEXTBO(JNIEnv *env, jclass clazz, jint mode, jint start, jint end, jint count, jint type, jlong pIndices_buffer_offset, jlong function_pointer) {
const GLvoid *pIndices_address = ((const GLvoid *)offsetToPointer(pIndices_buffer_offset));
glDrawRangeElementsEXTPROC glDrawRangeElementsEXT = (glDrawRangeElementsEXTPROC)((intptr_t)function_pointer);
glDrawRangeElementsEXT(mode, start, end, count, type, pIndices_address);
}
