/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
qglClearDepth( 1.0f );
qglCullFace(GL_FRONT);
qglColor4f (1,1,1,1);
GL_BindNullTextures();
if (glRefConfig.framebufferObject)
GL_BindNullFramebuffers();
qglEnable(GL_TEXTURE_2D);
GL_TextureMode( r_textureMode->string );
//qglShadeModel( GL_SMOOTH );
qglDepthFunc( GL_LEQUAL );
//
// make sure our GL state vector is set correctly
//
glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
glState.storedGlState = 0;
glState.faceCulling = CT_TWO_SIDED;
glState.faceCullFront = qtrue;
GL_BindNullProgram();
if (glRefConfig.vertexArrayObject)
qglBindVertexArray(0);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glState.currentVao = NULL;
glState.vertexAttribsEnabled = 0;
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglDepthMask( GL_TRUE );
qglDisable( GL_DEPTH_TEST );
qglEnable( GL_SCISSOR_TEST );
qglDisable( GL_CULL_FACE );
qglDisable( GL_BLEND );
if (glRefConfig.seamlessCubeMap)
qglEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
// GL_POLYGON_OFFSET_FILL will be glEnable()d when this is used
qglPolygonOffset( r_offsetFactor->value, r_offsetUnits->value );
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f ); // FIXME: get color of sky
}
/*
============
R_BindVao
============
*/
void R_BindVao(vao_t * vao)
{
if(!vao)
{
//R_BindNullVao();
ri.Error(ERR_DROP, "R_BindVao: NULL vao");
return;
}
if(r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- R_BindVao( %s ) ---\n", vao->name));
}
if(glState.currentVao != vao)
{
glState.currentVao = vao;
glState.vertexAttribsInterpolation = 0;
glState.vertexAnimation = qfalse;
backEnd.pc.c_vaoBinds++;
if (glRefConfig.vertexArrayObject)
{
qglBindVertexArray(vao->vao);
// why you no save GL_ELEMENT_ARRAY_BUFFER binding, Intel?
if (1)
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO always has buffers bound
if (vao == tess.vao)
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
}
else
{
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO doesn't have vertex pointers set until data is uploaded
if (vao != tess.vao)
Vao_SetVertexPointers(vao);
}
}
}
/*
* R_BindBuffer
*/
void R_BindBuffer(GLenum target, GLenum type, GLuint id) {
if (!qglBindBuffer)
return;
if (!r_vertex_buffers->value)
return;
qglBindBuffer(GL_ARRAY_BUFFER, id);
if (type && id) // assign the array pointer as well
R_BindArray(target, type, NULL);
}
/*
============
R_BindNullVao
============
*/
void R_BindNullVao(void)
{
GLimp_LogComment("--- R_BindNullVao ---\n");
if(glState.currentVao)
{
if (glRefConfig.vertexArrayObject)
{
qglBindVertexArray(0);
// why you no save GL_ELEMENT_ARRAY_BUFFER binding, Intel?
if (1) qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
else
{
qglBindBuffer(GL_ARRAY_BUFFER, 0);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
glState.currentVao = NULL;
}
GL_CheckErrors();
}
/*
* R_LoadVertexBuffers
*/
static void R_LoadVertexBuffers(r_model_t *mod) {
int v, st, t, c;
if (!qglGenBuffers)
return;
if (mod->num_frames > 1) // animated models don't use VBO
return;
v = mod->num_verts * 3 * sizeof(GLfloat);
st = mod->num_verts * 2 * sizeof(GLfloat);
t = mod->num_verts * 4 * sizeof(GLfloat);
c = mod->num_verts * 4 * sizeof(GLfloat);
// load the vertex buffer objects
qglGenBuffers(1, &mod->vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, v, mod->verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, st, mod->texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, v, mod->normals, GL_STATIC_DRAW);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
if (mod->type != mod_bsp)
return;
// including lightmap coords, tangents, and colors for bsp
qglGenBuffers(1, &mod->lmtexcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->lmtexcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, st, mod->lmtexcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, t, mod->tangents, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->color_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->color_buffer);
qglBufferData(GL_ARRAY_BUFFER, c, mod->colors, GL_STATIC_DRAW);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
}
/*
==================
GL_BindVertexBuffer
==================
*/
void GL_BindVertexBuffer (arrayBuffer_t *vertexBuffer){
if (!vertexBuffer){
if (!glState.vertexBuffer)
return;
glState.vertexBuffer = NULL;
qglBindBuffer(GL_ARRAY_BUFFER, 0);
return;
}
if (vertexBuffer->frameUsed != rg.frameCount){
vertexBuffer->frameUsed = rg.frameCount;
rg.pc.vertexBuffers[vertexBuffer->dynamic]++;
rg.pc.vertexBufferBytes[vertexBuffer->dynamic] += vertexBuffer->size;
}
if (glState.vertexBuffer == vertexBuffer)
return;
glState.vertexBuffer = vertexBuffer;
qglBindBuffer(GL_ARRAY_BUFFER, vertexBuffer->bufferId);
}
/*
==================
GL_BindIndexBuffer
==================
*/
void GL_BindIndexBuffer (arrayBuffer_t *indexBuffer){
if (!indexBuffer){
if (!glState.indexBuffer)
return;
glState.indexBuffer = NULL;
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
return;
}
if (indexBuffer->frameUsed != rg.frameCount){
indexBuffer->frameUsed = rg.frameCount;
rg.pc.indexBuffers[indexBuffer->dynamic]++;
rg.pc.indexBufferBytes[indexBuffer->dynamic] += indexBuffer->size;
}
if (glState.indexBuffer == indexBuffer)
return;
glState.indexBuffer = indexBuffer;
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer->bufferId);
}
/*
* @brief Allocates and populates static VBO's for the specified r_model_t.
*/
static void R_LoadVertexBuffers(r_model_t *mod) {
if (!qglGenBuffers)
return;
if (IS_MESH_MODEL(mod) && mod->mesh->num_frames > 1) // animated models don't use VBO
return;
const GLsizei v = mod->num_verts * 3 * sizeof(GLfloat);
const GLsizei st = mod->num_verts * 2 * sizeof(GLfloat);
const GLsizei t = mod->num_verts * 4 * sizeof(GLfloat);
// load the vertex buffer objects
qglGenBuffers(1, &mod->vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, v, mod->verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, st, mod->texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, v, mod->normals, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, t, mod->tangents, GL_STATIC_DRAW);
if (mod->lightmap_texcoords) {
qglGenBuffers(1, &mod->lightmap_texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->lightmap_texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, st, mod->lightmap_texcoords, GL_STATIC_DRAW);
}
qglBindBuffer(GL_ARRAY_BUFFER, 0);
R_GetError(mod->media.name);
}
/**
* @brief Puts the map data into buffers
* @sa R_ModAddMapTile
* @note Shift the verts after the texcoords for diffuse and lightmap are loaded
* @sa R_ModShiftTile
* @todo Don't use the buffers from r_state here - they might overflow
* @todo Decrease MAX_GL_ARRAY_LENGTH to 32768 again when this is fixed
*/
static void R_LoadBspVertexArrays (model_t *mod)
{
int i, j;
int vertind, coordind, tangind;
float *vecShifted;
float soff, toff, s, t;
float *point, *sdir, *tdir;
vec4_t tangent;
vec3_t binormal;
mBspSurface_t *surf;
mBspVertex_t *vert;
int vertexcount;
vertind = coordind = tangind = vertexcount = 0;
for (i = 0, surf = mod->bsp.surfaces; i < mod->bsp.numsurfaces; i++, surf++)
for (j = 0; j < surf->numedges; j++)
vertexcount++;
surf = mod->bsp.surfaces;
/* allocate the vertex arrays */
mod->bsp.texcoords = (GLfloat *)Mem_PoolAlloc(vertexcount * 2 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.lmtexcoords = (GLfloat *)Mem_PoolAlloc(vertexcount * 2 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.verts = (GLfloat *)Mem_PoolAlloc(vertexcount * 3 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.normals = (GLfloat *)Mem_PoolAlloc(vertexcount * 3 * sizeof(GLfloat), vid_modelPool, 0);
mod->bsp.tangents = (GLfloat *)Mem_PoolAlloc(vertexcount * 4 * sizeof(GLfloat), vid_modelPool, 0);
for (i = 0; i < mod->bsp.numsurfaces; i++, surf++) {
surf->index = vertind / 3;
for (j = 0; j < surf->numedges; j++) {
const float *normal;
const int index = mod->bsp.surfedges[surf->firstedge + j];
if (vertind >= MAX_GL_ARRAY_LENGTH * 3)
Com_Error(ERR_DROP, "R_LoadBspVertexArrays: Exceeded MAX_GL_ARRAY_LENGTH %i", vertind);
/* vertex */
if (index > 0) { /* negative indices to differentiate which end of the edge */
const mBspEdge_t *edge = &mod->bsp.edges[index];
vert = &mod->bsp.vertexes[edge->v[0]];
} else {
const mBspEdge_t *edge = &mod->bsp.edges[-index];
vert = &mod->bsp.vertexes[edge->v[1]];
}
point = vert->position;
/* shift it for assembled maps */
vecShifted = &mod->bsp.verts[vertind];
/* origin (func_door, func_rotating) bmodels must not have shifted vertices,
* they are translated by their entity origin value */
if (surf->isOriginBrushModel)
VectorCopy(point, vecShifted);
else
VectorAdd(point, shift, vecShifted);
/* texture directional vectors and offsets */
sdir = surf->texinfo->uv;
soff = surf->texinfo->u_offset;
tdir = surf->texinfo->vv;
toff = surf->texinfo->v_offset;
/* texture coordinates */
s = DotProduct(point, sdir) + soff;
s /= surf->texinfo->image->width;
t = DotProduct(point, tdir) + toff;
t /= surf->texinfo->image->height;
mod->bsp.texcoords[coordind + 0] = s;
mod->bsp.texcoords[coordind + 1] = t;
if (surf->flags & MSURF_LIGHTMAP) { /* lightmap coordinates */
s = DotProduct(point, sdir) + soff;
s -= surf->stmins[0];
s += surf->light_s * surf->lightmap_scale;
s += surf->lightmap_scale / 2.0;
s /= r_lightmaps.size * surf->lightmap_scale;
t = DotProduct(point, tdir) + toff;
t -= surf->stmins[1];
t += surf->light_t * surf->lightmap_scale;
t += surf->lightmap_scale / 2.0;
t /= r_lightmaps.size * surf->lightmap_scale;
}
mod->bsp.lmtexcoords[coordind + 0] = s;
mod->bsp.lmtexcoords[coordind + 1] = t;
/* normal vectors */
if (surf->texinfo->flags & SURF_PHONG && VectorNotEmpty(vert->normal))
normal = vert->normal; /* phong shaded */
else
normal = surf->normal; /* per plane */
memcpy(&mod->bsp.normals[vertind], normal, sizeof(vec3_t));
/* tangent vector */
TangentVectors(normal, sdir, tdir, tangent, binormal);
memcpy(&mod->bsp.tangents[tangind], tangent, sizeof(vec4_t));
vertind += 3;
coordind += 2;
tangind += 4;
}
}
if (qglBindBuffer) {
/* and also the vertex buffer objects */
qglGenBuffers(1, &mod->bsp.vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertind * sizeof(GLfloat), mod->bsp.verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, coordind * sizeof(GLfloat), mod->bsp.texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.lmtexcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.lmtexcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, coordind * sizeof(GLfloat), mod->bsp.lmtexcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertind * sizeof(GLfloat), mod->bsp.normals, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, tangind * sizeof(GLfloat), mod->bsp.tangents, GL_STATIC_DRAW);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
/*
==================
GL_SetDefaultState
==================
*/
void GL_SetDefaultState (){
int i;
QGL_LogPrintf("---------- GL_SetDefaultState ----------\n");
// Reset the state manager
glState.projectionMatrixIdentity = true;
glState.modelviewMatrixIdentity = true;
for (i = 0; i < MAX_TEXTURE_UNITS; i++)
glState.textureMatrixIdentity[i] = true;
for (i = 0; i < MAX_TEXTURE_UNITS; i++)
glState.texture[i] = NULL;
glState.program = NULL;
glState.indexBuffer = NULL;
glState.vertexBuffer = NULL;
glState.viewportX = 0;
glState.viewportY = 0;
glState.viewportWidth = glConfig.videoWidth;
glState.viewportHeight = glConfig.videoHeight;
glState.scissorX = 0;
glState.scissorY = 0;
glState.scissorWidth = glConfig.videoWidth;
glState.scissorHeight = glConfig.videoHeight;
glState.depthBoundsMin = 0.0f;
glState.depthBoundsMax = 1.0f;
glState.texUnit = 0;
for (i = 0; i < MAX_TEXTURE_UNITS; i++){
glState.texTarget[i] = 0;
glState.texEnv[i] = GL_MODULATE;
glState.texGen[i][0] = GL_OBJECT_LINEAR;
glState.texGen[i][1] = GL_OBJECT_LINEAR;
glState.texGen[i][2] = GL_OBJECT_LINEAR;
glState.texGen[i][3] = GL_OBJECT_LINEAR;
}
glState.cullFace = false;
glState.polygonOffsetFill = false;
glState.polygonOffsetLine = false;
glState.blend = false;
glState.alphaTest = false;
glState.depthTest = false;
glState.stencilTest = false;
for (i = 0; i < MAX_TEXTURE_UNITS; i++){
glState.textureGen[i][0] = false;
glState.textureGen[i][1] = false;
glState.textureGen[i][2] = false;
glState.textureGen[i][3] = false;
}
glState.cullMode = GL_FRONT;
glState.polygonMode = GL_FILL;
glState.polygonOffsetFactor = 0.0f;
glState.polygonOffsetUnits = 0.0f;
glState.blendSrc = GL_ONE;
glState.blendDst = GL_ZERO;
glState.blendMode = GL_FUNC_ADD;
glState.alphaFunc = GL_GREATER;
glState.alphaFuncRef = 0.0f;
glState.depthFunc = GL_LEQUAL;
glState.stencilFunc[0] = GL_ALWAYS;
glState.stencilFunc[1] = GL_ALWAYS;
glState.stencilFuncRef[0] = 0;
glState.stencilFuncRef[1] = 0;
glState.stencilFuncMask[0] = 255;
glState.stencilFuncMask[1] = 255;
glState.stencilOpFail[0] = GL_KEEP;
glState.stencilOpFail[1] = GL_KEEP;
glState.stencilOpZFail[0] = GL_KEEP;
glState.stencilOpZFail[1] = GL_KEEP;
glState.stencilOpZPass[0] = GL_KEEP;
glState.stencilOpZPass[1] = GL_KEEP;
glState.depthMin = 0.0f;
glState.depthMax = 1.0f;
glState.colorMask[0] = GL_TRUE;
glState.colorMask[1] = GL_TRUE;
glState.colorMask[2] = GL_TRUE;
glState.colorMask[3] = GL_TRUE;
glState.depthMask = GL_TRUE;
glState.stencilMask[0] = 255;
glState.stencilMask[1] = 255;
// Set default state
qglMatrixMode(GL_PROJECTION);
qglLoadIdentity();
qglMatrixMode(GL_MODELVIEW);
qglLoadIdentity();
for (i = MAX_TEXTURE_UNITS - 1; i >= 0; i--){
if (i >= glConfig.maxTextureImageUnits)
continue;
if (i >= glConfig.maxTextureUnits){
qglActiveTexture(GL_TEXTURE0 + i);
qglBindTexture(GL_TEXTURE_2D, 0);
qglBindTexture(GL_TEXTURE_3D, 0);
qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);
qglBindTexture(GL_TEXTURE_2D_ARRAY, 0);
continue;
}
qglActiveTexture(GL_TEXTURE0 + i);
qglMatrixMode(GL_TEXTURE);
qglLoadIdentity();
qglDisable(GL_TEXTURE_2D);
qglDisable(GL_TEXTURE_3D);
qglDisable(GL_TEXTURE_CUBE_MAP);
qglDisable(GL_TEXTURE_2D_ARRAY);
qglBindTexture(GL_TEXTURE_2D, 0);
qglBindTexture(GL_TEXTURE_3D, 0);
qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);
qglBindTexture(GL_TEXTURE_2D_ARRAY, 0);
qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
qglDisable(GL_TEXTURE_GEN_S);
qglDisable(GL_TEXTURE_GEN_T);
qglDisable(GL_TEXTURE_GEN_R);
qglDisable(GL_TEXTURE_GEN_Q);
qglTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
}
qglDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
qglUseProgram(0);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
qglViewport(0, 0, glConfig.videoWidth, glConfig.videoHeight);
qglEnable(GL_SCISSOR_TEST);
qglScissor(0, 0, glConfig.videoWidth, glConfig.videoHeight);
qglEnable(GL_DEPTH_BOUNDS_TEST_EXT);
qglDepthBoundsEXT(0.0f, 1.0f);
qglFrontFace(GL_CCW);
qglShadeModel(GL_SMOOTH);
qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
qglDisable(GL_CULL_FACE);
qglCullFace(GL_FRONT);
qglDisable(GL_POLYGON_OFFSET_FILL);
qglDisable(GL_POLYGON_OFFSET_LINE);
qglPolygonOffset(0.0f, 0.0f);
qglDisable(GL_BLEND);
qglBlendFunc(GL_ONE, GL_ZERO);
qglBlendEquation(GL_FUNC_ADD);
qglDisable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.0f);
qglDisable(GL_DEPTH_TEST);
qglDepthFunc(GL_LEQUAL);
qglDisable(GL_STENCIL_TEST);
qglStencilFunc(GL_ALWAYS, 128, 255);
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
qglDepthRange(0.0f, 1.0f);
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
qglDepthMask(GL_TRUE);
qglStencilMask(255);
qglDisable(GL_DEPTH_CLAMP);
qglDisable(GL_CLIP_PLANE0);
if (glConfig.multiSamples > 1){
qglDisable(GL_MULTISAMPLE);
qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
}
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClearDepth(1.0f);
qglClearStencil(128);
qglEnableClientState(GL_VERTEX_ARRAY);
qglDisableVertexAttribArray(GL_ATTRIB_NORMAL);
qglDisableVertexAttribArray(GL_ATTRIB_TANGENT1);
qglDisableVertexAttribArray(GL_ATTRIB_TANGENT2);
qglDisableVertexAttribArray(GL_ATTRIB_TEXCOORD);
qglDisableVertexAttribArray(GL_ATTRIB_COLOR);
QGL_LogPrintf("--------------------\n");
}
/*
============
R_CreateVao2
============
*/
vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int numIndexes, glIndex_t *indexes)
{
vao_t *vao;
int i;
byte *data;
int dataSize;
int dataOfs;
int glUsage = GL_STATIC_DRAW;
if(!numVertexes || !numIndexes)
return NULL;
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "R_CreateVao2: \"%s\" is too long", name);
}
if ( tr.numVaos == MAX_VAOS ) {
ri.Error( ERR_DROP, "R_CreateVao2: MAX_VAOS hit");
}
R_IssuePendingRenderCommands();
vao = tr.vaos[tr.numVaos] = ri.Hunk_Alloc(sizeof(*vao), h_low);
tr.numVaos++;
memset(vao, 0, sizeof(*vao));
Q_strncpyz(vao->name, name, sizeof(vao->name));
// since these vertex attributes are never altered, interleave them
vao->attribs[ATTR_INDEX_POSITION ].enabled = 1;
vao->attribs[ATTR_INDEX_NORMAL ].enabled = 1;
#ifdef USE_VERT_TANGENT_SPACE
vao->attribs[ATTR_INDEX_TANGENT ].enabled = 1;
#endif
vao->attribs[ATTR_INDEX_TEXCOORD ].enabled = 1;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].enabled = 1;
vao->attribs[ATTR_INDEX_COLOR ].enabled = 1;
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].enabled = 1;
vao->attribs[ATTR_INDEX_POSITION ].count = 3;
vao->attribs[ATTR_INDEX_NORMAL ].count = 4;
vao->attribs[ATTR_INDEX_TANGENT ].count = 4;
vao->attribs[ATTR_INDEX_TEXCOORD ].count = 2;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].count = 2;
vao->attribs[ATTR_INDEX_COLOR ].count = 4;
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].count = 4;
vao->attribs[ATTR_INDEX_POSITION ].type = GL_FLOAT;
vao->attribs[ATTR_INDEX_NORMAL ].type = glRefConfig.packedNormalDataType;
vao->attribs[ATTR_INDEX_TANGENT ].type = glRefConfig.packedNormalDataType;
vao->attribs[ATTR_INDEX_TEXCOORD ].type = glRefConfig.packedTexcoordDataType;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].type = glRefConfig.packedTexcoordDataType;
vao->attribs[ATTR_INDEX_COLOR ].type = glRefConfig.packedColorDataType;
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].type = glRefConfig.packedNormalDataType;
vao->attribs[ATTR_INDEX_POSITION ].normalized = GL_FALSE;
vao->attribs[ATTR_INDEX_NORMAL ].normalized = GL_TRUE;
vao->attribs[ATTR_INDEX_TANGENT ].normalized = GL_TRUE;
vao->attribs[ATTR_INDEX_TEXCOORD ].normalized = GL_FALSE;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].normalized = GL_FALSE;
vao->attribs[ATTR_INDEX_COLOR ].normalized = GL_FALSE;
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].normalized = GL_TRUE;
vao->attribs[ATTR_INDEX_POSITION ].offset = 0; dataSize = sizeof(verts[0].xyz);
vao->attribs[ATTR_INDEX_NORMAL ].offset = dataSize; dataSize += sizeof(uint32_t);
#ifdef USE_VERT_TANGENT_SPACE
vao->attribs[ATTR_INDEX_TANGENT ].offset = dataSize; dataSize += sizeof(uint32_t);
#endif
vao->attribs[ATTR_INDEX_TEXCOORD ].offset = dataSize; dataSize += glRefConfig.packedTexcoordDataSize;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].offset = dataSize; dataSize += glRefConfig.packedTexcoordDataSize;
vao->attribs[ATTR_INDEX_COLOR ].offset = dataSize; dataSize += glRefConfig.packedColorDataSize;
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].offset = dataSize; dataSize += sizeof(uint32_t);
vao->attribs[ATTR_INDEX_POSITION ].stride = dataSize;
vao->attribs[ATTR_INDEX_NORMAL ].stride = dataSize;
vao->attribs[ATTR_INDEX_TANGENT ].stride = dataSize;
vao->attribs[ATTR_INDEX_TEXCOORD ].stride = dataSize;
vao->attribs[ATTR_INDEX_LIGHTCOORD ].stride = dataSize;
vao->attribs[ATTR_INDEX_COLOR ].stride = dataSize;
vao->attribs[ATTR_INDEX_LIGHTDIRECTION].stride = dataSize;
if (glRefConfig.vertexArrayObject)
{
qglGenVertexArrays(1, &vao->vao);
qglBindVertexArray(vao->vao);
}
// create VBO
dataSize *= numVertexes;
data = ri.Hunk_AllocateTempMemory(dataSize);
dataOfs = 0;
for (i = 0; i < numVertexes; i++)
{
// xyz
memcpy(data + dataOfs, &verts[i].xyz, sizeof(verts[i].xyz));
dataOfs += sizeof(verts[i].xyz);
// normal
dataOfs += R_VaoPackNormal(data + dataOfs, verts[i].normal);
#ifdef USE_VERT_TANGENT_SPACE
// tangent
dataOfs += R_VaoPackTangent(data + dataOfs, verts[i].tangent);
#endif
// texcoords
dataOfs += R_VaoPackTexCoord(data + dataOfs, verts[i].st);
// lightmap texcoords
dataOfs += R_VaoPackTexCoord(data + dataOfs, verts[i].lightmap);
// colors
dataOfs += R_VaoPackColors(data + dataOfs, verts[i].vertexColors);
// light directions
dataOfs += R_VaoPackNormal(data + dataOfs, verts[i].lightdir);
}
vao->vertexesSize = dataSize;
qglGenBuffers(1, &vao->vertexesVBO);
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBufferData(GL_ARRAY_BUFFER, vao->vertexesSize, data, glUsage);
// create IBO
vao->indexesSize = numIndexes * sizeof(glIndex_t);
qglGenBuffers(1, &vao->indexesIBO);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
qglBufferData(GL_ELEMENT_ARRAY_BUFFER, vao->indexesSize, indexes, glUsage);
Vao_SetVertexPointers(vao);
glState.currentVao = vao;
GL_CheckErrors();
ri.Hunk_FreeTempMemory(data);
return vao;
}
/*
============
R_CreateVao
============
*/
vao_t *R_CreateVao(const char *name, byte *vertexes, int vertexesSize, byte *indexes, int indexesSize, vaoUsage_t usage)
{
vao_t *vao;
int glUsage;
switch (usage)
{
case VAO_USAGE_STATIC:
glUsage = GL_STATIC_DRAW;
break;
case VAO_USAGE_DYNAMIC:
glUsage = GL_DYNAMIC_DRAW;
break;
default:
Com_Error(ERR_FATAL, "bad vaoUsage_t given: %i", usage);
return NULL;
}
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "R_CreateVao: \"%s\" is too long", name);
}
if ( tr.numVaos == MAX_VAOS ) {
ri.Error( ERR_DROP, "R_CreateVao: MAX_VAOS hit");
}
R_IssuePendingRenderCommands();
vao = tr.vaos[tr.numVaos] = ri.Hunk_Alloc(sizeof(*vao), h_low);
tr.numVaos++;
memset(vao, 0, sizeof(*vao));
Q_strncpyz(vao->name, name, sizeof(vao->name));
if (glRefConfig.vertexArrayObject)
{
qglGenVertexArrays(1, &vao->vao);
qglBindVertexArray(vao->vao);
}
vao->vertexesSize = vertexesSize;
qglGenBuffers(1, &vao->vertexesVBO);
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBufferData(GL_ARRAY_BUFFER, vertexesSize, vertexes, glUsage);
vao->indexesSize = indexesSize;
qglGenBuffers(1, &vao->indexesIBO);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
qglBufferData(GL_ELEMENT_ARRAY_BUFFER, indexesSize, indexes, glUsage);
glState.currentVao = vao;
GL_CheckErrors();
return vao;
}
/**
* @brief Puts the map data into buffers
* @sa R_ModAddMapTile
* @note Shift the verts after the texcoords for diffuse and lightmap are loaded
* @sa R_ModShiftTile
* @todo Don't use the buffers from r_state here - they might overflow
* @todo Decrease MAX_GL_ARRAY_LENGTH to 32768 again when this is fixed
*/
static void R_LoadBspVertexArrays (model_t *mod)
{
int i, j;
int vertOfs, texCoordOfs, tangOfs;
float *vecShifted;
float soff, toff, s, t;
float *point, *sdir, *tdir;
vec4_t tangent;
vec3_t binormal;
mBspSurface_t *surf;
mBspVertex_t *vert;
int vertexCount, indexCount;
vertOfs = texCoordOfs = tangOfs = 0;
vertexCount = indexCount = 0;
for (i = 0, surf = mod->bsp.surfaces; i < mod->bsp.numsurfaces; i++, surf++) {
const int numedges = surf->numedges;
vertexCount += numedges;
if (numedges > 2) /* no triangles for degenerate polys */
indexCount += (numedges - 2) * 3;
}
surf = mod->bsp.surfaces;
/* allocate the vertex arrays */
mod->bsp.texcoords = Mem_PoolAllocTypeN(GLfloat, vertexCount * 2, vid_modelPool);
mod->bsp.lmtexcoords = Mem_PoolAllocTypeN(GLfloat, vertexCount * 2, vid_modelPool);
mod->bsp.verts = Mem_PoolAllocTypeN(GLfloat, vertexCount * 3, vid_modelPool);
mod->bsp.normals = Mem_PoolAllocTypeN(GLfloat, vertexCount * 3, vid_modelPool);
mod->bsp.tangents = Mem_PoolAllocTypeN(GLfloat, vertexCount * 4, vid_modelPool);
mod->bsp.indexes = Mem_PoolAllocTypeN(GLint, indexCount, vid_modelPool); /* Will be filled at the end of map loading, after building surface lists */
for (i = 0; i < mod->bsp.numsurfaces; i++, surf++) {
surf->index = vertOfs / 3;
surf->firstTriangle = -1; /* Mark as "no triangles generated yet" */
for (j = 0; j < surf->numedges; j++) {
const float *normal;
const int index = mod->bsp.surfedges[surf->firstedge + j];
/* vertex */
if (index > 0) { /* negative indices to differentiate which end of the edge */
const mBspEdge_t *edge = &mod->bsp.edges[index];
vert = &mod->bsp.vertexes[edge->v[0]];
} else {
const mBspEdge_t *edge = &mod->bsp.edges[-index];
vert = &mod->bsp.vertexes[edge->v[1]];
}
point = vert->position;
/* shift it for assembled maps */
vecShifted = &mod->bsp.verts[vertOfs];
/* origin (func_door, func_rotating) bmodels must not have shifted vertices,
* they are translated by their entity origin value */
if (surf->isOriginBrushModel)
VectorCopy(point, vecShifted);
else
VectorAdd(point, shift, vecShifted);
/* texture directional vectors and offsets */
sdir = surf->texinfo->uv;
soff = surf->texinfo->u_offset;
tdir = surf->texinfo->vv;
toff = surf->texinfo->v_offset;
/* texture coordinates */
s = DotProduct(point, sdir) + soff;
s /= surf->texinfo->image->width;
t = DotProduct(point, tdir) + toff;
t /= surf->texinfo->image->height;
mod->bsp.texcoords[texCoordOfs + 0] = s;
mod->bsp.texcoords[texCoordOfs + 1] = t;
if (surf->flags & MSURF_LIGHTMAP) { /* lightmap coordinates */
s = DotProduct(point, sdir) + soff;
s -= surf->stmins[0];
s += surf->light_s * surf->lightmap_scale;
s += surf->lightmap_scale / 2.0;
s /= r_lightmaps.size * surf->lightmap_scale;
t = DotProduct(point, tdir) + toff;
t -= surf->stmins[1];
t += surf->light_t * surf->lightmap_scale;
t += surf->lightmap_scale / 2.0;
t /= r_lightmaps.size * surf->lightmap_scale;
}
mod->bsp.lmtexcoords[texCoordOfs + 0] = s;
mod->bsp.lmtexcoords[texCoordOfs + 1] = t;
/* normal vectors */
if ((surf->texinfo->flags & SURF_PHONG) && VectorNotEmpty(vert->normal))
normal = vert->normal; /* phong shaded */
else
normal = surf->normal; /* per plane */
memcpy(&mod->bsp.normals[vertOfs], normal, sizeof(vec3_t));
/* tangent vector */
TangentVectors(normal, sdir, tdir, tangent, binormal);
memcpy(&mod->bsp.tangents[tangOfs], tangent, sizeof(vec4_t));
vertOfs += 3;
texCoordOfs += 2;
tangOfs += 4;
}
}
R_ReallocateStateArrays(vertOfs / 3);
if (qglBindBuffer) {
/* and also the vertex buffer objects */
qglGenBuffers(1, &mod->bsp.vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertOfs * sizeof(GLfloat), mod->bsp.verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, texCoordOfs * sizeof(GLfloat), mod->bsp.texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.lmtexcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.lmtexcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, texCoordOfs * sizeof(GLfloat), mod->bsp.lmtexcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertOfs * sizeof(GLfloat), mod->bsp.normals, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, tangOfs * sizeof(GLfloat), mod->bsp.tangents, GL_STATIC_DRAW);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
}
}
/**
* @brief Re-initializes OpenGL state machine, all textures and renderer variables, this needed when application is put to background on Android.
*/
void R_ReinitOpenglContext (void)
{
/* De-allocate old GL state, these functinos will call glDeleteTexture(), so they should go before everything else */
R_FontCleanCache();
R_ShutdownFBObjects();
R_ShutdownPrograms();
R_BeginBuildingLightmaps(); /* This function will also call glDeleteTexture() */
/* Re-initialize GL state */
R_SetDefaultState();
R_InitPrograms();
/* Re-upload all textures */
R_InitMiscTexture();
R_ReloadImages();
/* Re-upload other GL stuff */
R_InitFBObjects();
R_UpdateDefaultMaterial("", "", "", NULL);
/* Re-upload the battlescape terrain geometry */
if (!qglBindBuffer)
return;
for (int tile = 0; tile < r_numMapTiles; tile++) {
model_t *mod = r_mapTiles[tile];
int vertind = 0, coordind = 0, tangind = 0;
mBspSurface_t *surf = mod->bsp.surfaces;
for (int i = 0; i < mod->bsp.numsurfaces; i++, surf++) {
vertind += 3 * surf->numedges;
coordind += 2 * surf->numedges;
tangind += 4 * surf->numedges;
}
qglGenBuffers(1, &mod->bsp.vertex_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.vertex_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertind * sizeof(GLfloat), mod->bsp.verts, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.texcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.texcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, coordind * sizeof(GLfloat), mod->bsp.texcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.lmtexcoord_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.lmtexcoord_buffer);
qglBufferData(GL_ARRAY_BUFFER, coordind * sizeof(GLfloat), mod->bsp.lmtexcoords, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.normal_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.normal_buffer);
qglBufferData(GL_ARRAY_BUFFER, vertind * sizeof(GLfloat), mod->bsp.normals, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.tangent_buffer);
qglBindBuffer(GL_ARRAY_BUFFER, mod->bsp.tangent_buffer);
qglBufferData(GL_ARRAY_BUFFER, tangind * sizeof(GLfloat), mod->bsp.tangents, GL_STATIC_DRAW);
qglGenBuffers(1, &mod->bsp.index_buffer);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mod->bsp.index_buffer);
qglBufferData(GL_ELEMENT_ARRAY_BUFFER, mod->bsp.numIndexes * sizeof(GLushort), mod->bsp.indexes, GL_STATIC_DRAW);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
for (int i = 0; i < mod->bsp.numsurfaces; i++)
R_CreateSurfaceLightmap(&mod->bsp.surfaces[i]);
}
R_EndBuildingLightmaps();
qglBindBuffer(GL_ARRAY_BUFFER, 0);
}
void RB_SurfaceVaoMdvMesh(srfVaoMdvMesh_t * surface)
{
//mdvModel_t *mdvModel;
//mdvSurface_t *mdvSurface;
refEntity_t *refEnt;
GLimp_LogComment("--- RB_SurfaceVaoMdvMesh ---\n");
if (ShaderRequiresCPUDeforms(tess.shader))
{
RB_SurfaceMesh(surface->mdvSurface);
return;
}
if(!surface->vao)
return;
//RB_CheckVao(surface->vao);
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
R_BindVao(surface->vao);
tess.useInternalVao = qfalse;
tess.numIndexes = surface->numIndexes;
tess.numVertexes = surface->numVerts;
//mdvModel = surface->mdvModel;
//mdvSurface = surface->mdvSurface;
refEnt = &backEnd.currentEntity->e;
glState.vertexAttribsInterpolation = (refEnt->oldframe == refEnt->frame) ? 0.0f : refEnt->backlerp;
if (surface->mdvModel->numFrames > 1)
{
int frameOffset, attribIndex;
vaoAttrib_t *vAtb;
glState.vertexAnimation = qtrue;
if (glRefConfig.vertexArrayObject)
{
qglBindBuffer(GL_ARRAY_BUFFER, surface->vao->vertexesVBO);
}
frameOffset = refEnt->frame * surface->vao->frameSize;
attribIndex = ATTR_INDEX_POSITION;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_NORMAL;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_TANGENT;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
frameOffset = refEnt->oldframe * surface->vao->frameSize;
attribIndex = ATTR_INDEX_POSITION2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_NORMAL2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_TANGENT2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
if (!glRefConfig.vertexArrayObject)
{
attribIndex = ATTR_INDEX_TEXCOORD;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
}
}
RB_EndSurface();
// So we don't lerp surfaces that shouldn't be lerped
glState.vertexAnimation = qfalse;
}