forked from bartvdbraak/blender
cdec2b3d15
Use 'const char *' rather then the C++ 'STR_String' type for the attribute identifier of python attributes. Each attribute and method access from python was allocating and freeing the string. A simple test with getting an attribute a loop shows this speeds up attribute lookups a bit over 2x.
674 lines
15 KiB
C++
674 lines
15 KiB
C++
// ------------------------------------
|
|
|
|
#include "GL/glew.h"
|
|
|
|
#include <iostream>
|
|
#include <map>
|
|
#include <stdlib.h>
|
|
|
|
#include "BL_Material.h"
|
|
#include "BL_Texture.h"
|
|
#include "MT_assert.h"
|
|
|
|
#include "DNA_texture_types.h"
|
|
#include "DNA_image_types.h"
|
|
#include "IMB_imbuf_types.h"
|
|
#include "BKE_image.h"
|
|
#include "BLI_blenlib.h"
|
|
|
|
#include "RAS_OpenGLRasterizer/RAS_GLExtensionManager.h"
|
|
#include "RAS_ICanvas.h"
|
|
#include "RAS_Rect.h"
|
|
|
|
#include "KX_GameObject.h"
|
|
|
|
#define spit(x) std::cout << x << std::endl;
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
extern "C" {
|
|
// envmaps
|
|
#include "IMB_imbuf.h"
|
|
void my_envmap_split_ima(EnvMap *env, ImBuf *ibuf);
|
|
void my_free_envmapdata(EnvMap *env);
|
|
}
|
|
|
|
// (n&(n-1)) zeros the least significant bit of n
|
|
static int is_pow2(int num) {
|
|
return ((num)&(num-1))==0;
|
|
}
|
|
static int smaller_pow2(int num) {
|
|
while (!is_pow2(num))
|
|
num= num&(num-1);
|
|
return num;
|
|
}
|
|
|
|
// Place holder for a full texture manager
|
|
class BL_TextureObject
|
|
{
|
|
public:
|
|
unsigned int gl_texture;
|
|
void* ref_buffer;
|
|
};
|
|
|
|
typedef std::map<char*, BL_TextureObject> BL_TextureMap;
|
|
static BL_TextureMap g_textureManager;
|
|
|
|
|
|
BL_Texture::BL_Texture()
|
|
: mTexture(0),
|
|
mOk(0),
|
|
mNeedsDeleted(0),
|
|
mType(0),
|
|
mUnit(0),
|
|
mEnvState(0)
|
|
{
|
|
// --
|
|
}
|
|
|
|
BL_Texture::~BL_Texture()
|
|
{
|
|
// --
|
|
}
|
|
|
|
void BL_Texture::DeleteTex()
|
|
{
|
|
if( mNeedsDeleted ) {
|
|
glDeleteTextures(1, (GLuint*)&mTexture);
|
|
mNeedsDeleted = 0;
|
|
mOk = 0;
|
|
}
|
|
|
|
if(mEnvState) {
|
|
glDeleteLists((GLuint)mEnvState, 1);
|
|
mEnvState =0;
|
|
}
|
|
|
|
if(mDisableState) {
|
|
glDeleteLists((GLuint)mDisableState, 1);
|
|
mDisableState =0;
|
|
}
|
|
g_textureManager.clear();
|
|
}
|
|
|
|
|
|
bool BL_Texture::InitFromImage(int unit, Image *img, bool mipmap)
|
|
{
|
|
|
|
ImBuf *ibuf;
|
|
if (!img || img->ok==0)
|
|
{
|
|
mOk = false;
|
|
return mOk;
|
|
}
|
|
|
|
ibuf= BKE_image_get_ibuf(img, NULL);
|
|
if (ibuf==NULL)
|
|
{
|
|
img->ok = 0;
|
|
mOk = false;
|
|
return mOk;
|
|
}
|
|
|
|
|
|
mTexture = img->bindcode;
|
|
mType = GL_TEXTURE_2D;
|
|
mUnit = unit;
|
|
|
|
ActivateUnit(mUnit);
|
|
|
|
if (mTexture != 0) {
|
|
glBindTexture(GL_TEXTURE_2D, mTexture );
|
|
Validate();
|
|
return mOk;
|
|
}
|
|
|
|
// look for an existing gl image
|
|
BL_TextureMap::iterator mapLook = g_textureManager.find(img->id.name);
|
|
if (mapLook != g_textureManager.end())
|
|
{
|
|
if (mapLook->second.gl_texture != 0)
|
|
{
|
|
mTexture = mapLook->second.gl_texture;
|
|
glBindTexture(GL_TEXTURE_2D, mTexture);
|
|
mOk = IsValid();
|
|
return mOk;
|
|
}
|
|
}
|
|
|
|
mNeedsDeleted = 1;
|
|
glGenTextures(1, (GLuint*)&mTexture);
|
|
InitGLTex(ibuf->rect, ibuf->x, ibuf->y, mipmap);
|
|
|
|
// track created units
|
|
BL_TextureObject obj;
|
|
obj.gl_texture = mTexture;
|
|
obj.ref_buffer = img;
|
|
g_textureManager.insert(std::pair<char*, BL_TextureObject>((char*)img->id.name, obj));
|
|
|
|
|
|
glDisable(GL_TEXTURE_2D);
|
|
ActivateUnit(0);
|
|
Validate();
|
|
return mOk;
|
|
}
|
|
|
|
void BL_Texture::InitGLTex(unsigned int *pix,int x,int y,bool mipmap)
|
|
{
|
|
if (!is_pow2(x) || !is_pow2(y) ) {
|
|
InitNonPow2Tex(pix, x,y,mipmap);
|
|
return;
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, mTexture );
|
|
if( mipmap ) {
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
gluBuild2DMipmaps( GL_TEXTURE_2D, GL_RGBA, x, y, GL_RGBA, GL_UNSIGNED_BYTE, pix );
|
|
}
|
|
else {
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix );
|
|
}
|
|
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
}
|
|
|
|
|
|
void BL_Texture::InitNonPow2Tex(unsigned int *pix,int x,int y,bool mipmap)
|
|
{
|
|
int nx= smaller_pow2(x);
|
|
int ny= smaller_pow2(y);
|
|
|
|
unsigned int *newPixels = (unsigned int *)malloc(nx*ny*sizeof(unsigned int));
|
|
|
|
gluScaleImage(GL_RGBA, x, y, GL_UNSIGNED_BYTE, pix, nx,ny, GL_UNSIGNED_BYTE, newPixels);
|
|
glBindTexture(GL_TEXTURE_2D, mTexture );
|
|
|
|
if( mipmap ) {
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
gluBuild2DMipmaps( GL_TEXTURE_2D, GL_RGBA, nx, ny, GL_RGBA, GL_UNSIGNED_BYTE, newPixels );
|
|
}
|
|
else {
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, nx, ny, 0, GL_RGBA, GL_UNSIGNED_BYTE, newPixels );
|
|
}
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
free(newPixels);
|
|
}
|
|
|
|
|
|
bool BL_Texture::InitCubeMap(int unit, EnvMap *cubemap)
|
|
{
|
|
if (!GLEW_ARB_texture_cube_map)
|
|
{
|
|
spit("cubemaps not supported");
|
|
mOk = false;
|
|
return mOk;
|
|
}
|
|
else if (!cubemap || cubemap->ima->ok==0)
|
|
{
|
|
mOk = false;
|
|
return mOk;
|
|
}
|
|
|
|
ImBuf *ibuf= BKE_image_get_ibuf(cubemap->ima, NULL);
|
|
if (ibuf==0)
|
|
{
|
|
cubemap->ima->ok = 0;
|
|
mOk = false;
|
|
return mOk;
|
|
}
|
|
|
|
mNeedsDeleted = 1;
|
|
mType = GL_TEXTURE_CUBE_MAP_ARB;
|
|
mTexture = 0;
|
|
mUnit = unit;
|
|
|
|
ActivateUnit(mUnit);
|
|
|
|
BL_TextureMap::iterator mapLook = g_textureManager.find(cubemap->ima->id.name);
|
|
if (mapLook != g_textureManager.end())
|
|
{
|
|
if (mapLook->second.gl_texture != 0 && mapLook->second.ref_buffer == cubemap->ima)
|
|
{
|
|
mTexture = mapLook->second.gl_texture;
|
|
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, mTexture);
|
|
mOk = IsValid();
|
|
return mOk;
|
|
}
|
|
}
|
|
|
|
|
|
glGenTextures(1, (GLuint*)&mTexture);
|
|
glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, mTexture);
|
|
|
|
|
|
// track created units
|
|
BL_TextureObject obj;
|
|
obj.gl_texture = mTexture;
|
|
obj.ref_buffer = cubemap->ima;
|
|
g_textureManager.insert(std::pair<char*, BL_TextureObject>((char*)cubemap->ima->id.name, obj));
|
|
|
|
|
|
bool needs_split = false;
|
|
if (!cubemap->cube[0])
|
|
{
|
|
needs_split = true;
|
|
spit ("Re-Generating texture buffer");
|
|
}
|
|
|
|
if (needs_split)
|
|
my_envmap_split_ima(cubemap, ibuf);
|
|
|
|
|
|
if (!is_pow2(cubemap->cube[0]->x) || !is_pow2(cubemap->cube[0]->y))
|
|
{
|
|
spit("invalid envmap size please render with CubeRes @ power of two");
|
|
|
|
my_free_envmapdata(cubemap);
|
|
mOk = false;
|
|
return mOk;
|
|
}
|
|
|
|
|
|
#define SetCubeMapFace(face, num) \
|
|
glTexImage2D(face, 0,GL_RGBA, \
|
|
cubemap->cube[num]->x, \
|
|
cubemap->cube[num]->y, \
|
|
0, GL_RGBA, GL_UNSIGNED_BYTE, \
|
|
cubemap->cube[num]->rect)
|
|
|
|
SetCubeMapFace(GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB, 5);
|
|
SetCubeMapFace(GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB, 3);
|
|
SetCubeMapFace(GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB, 0);
|
|
SetCubeMapFace(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB, 1);
|
|
SetCubeMapFace(GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB, 2);
|
|
SetCubeMapFace(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB, 4);
|
|
|
|
glTexParameteri( GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
|
|
glTexParameteri( GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
|
|
glTexParameteri( GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
|
|
glTexParameteri( GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
|
|
if(GLEW_VERSION_1_2)
|
|
glTexParameteri( GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE );
|
|
|
|
if (needs_split)
|
|
my_free_envmapdata(cubemap);
|
|
|
|
|
|
|
|
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
|
|
ActivateUnit(0);
|
|
|
|
mOk = IsValid();
|
|
return mOk;
|
|
}
|
|
|
|
bool BL_Texture::IsValid()
|
|
{
|
|
return (mTexture!= 0)?glIsTexture(mTexture)!=0:false;
|
|
}
|
|
|
|
|
|
void BL_Texture::Validate()
|
|
{
|
|
mOk = IsValid();
|
|
}
|
|
|
|
|
|
bool BL_Texture::Ok()
|
|
{
|
|
return (mTexture!= 0);
|
|
}
|
|
|
|
|
|
unsigned int BL_Texture::GetTextureType() const
|
|
{
|
|
return mType;
|
|
}
|
|
|
|
int BL_Texture::GetMaxUnits()
|
|
{
|
|
GLint unit=0;
|
|
|
|
if(GLEW_ARB_multitexture) {
|
|
glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &unit);
|
|
return (MAXTEX>=unit?unit:MAXTEX);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void BL_Texture::ActivateFirst()
|
|
{
|
|
if(GLEW_ARB_multitexture)
|
|
glActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
|
|
void BL_Texture::ActivateUnit(int unit)
|
|
{
|
|
if(GLEW_ARB_multitexture)
|
|
if(unit <= MAXTEX)
|
|
glActiveTextureARB(GL_TEXTURE0_ARB+unit);
|
|
}
|
|
|
|
|
|
void BL_Texture::DisableUnit()
|
|
{
|
|
if(GLEW_ARB_multitexture)
|
|
glActiveTextureARB(GL_TEXTURE0_ARB+mUnit);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
if(GLEW_ARB_texture_cube_map && glIsEnabled(GL_TEXTURE_CUBE_MAP_ARB))
|
|
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
|
|
else
|
|
{
|
|
if (glIsEnabled(GL_TEXTURE_2D))
|
|
glDisable(GL_TEXTURE_2D);
|
|
}
|
|
|
|
glDisable(GL_TEXTURE_GEN_S);
|
|
glDisable(GL_TEXTURE_GEN_T);
|
|
glDisable(GL_TEXTURE_GEN_R);
|
|
glDisable(GL_TEXTURE_GEN_Q);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
}
|
|
|
|
|
|
void BL_Texture::DisableAllTextures()
|
|
{
|
|
for(int i=0; i<MAXTEX; i++) {
|
|
if(GLEW_ARB_multitexture)
|
|
glActiveTextureARB(GL_TEXTURE0_ARB+i);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glDisable(GL_TEXTURE_2D);
|
|
glDisable(GL_TEXTURE_GEN_S);
|
|
glDisable(GL_TEXTURE_GEN_T);
|
|
glDisable(GL_TEXTURE_GEN_R);
|
|
glDisable(GL_TEXTURE_GEN_Q);
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
}
|
|
|
|
if(GLEW_ARB_multitexture)
|
|
glActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
|
|
|
|
void BL_Texture::ActivateTexture()
|
|
{
|
|
if(GLEW_ARB_multitexture)
|
|
glActiveTextureARB(GL_TEXTURE0_ARB+mUnit);
|
|
|
|
if (mType == GL_TEXTURE_CUBE_MAP_ARB && GLEW_ARB_texture_cube_map)
|
|
{
|
|
glBindTexture( GL_TEXTURE_CUBE_MAP_ARB, mTexture );
|
|
glEnable(GL_TEXTURE_CUBE_MAP_ARB);
|
|
}
|
|
else {
|
|
if(GLEW_ARB_texture_cube_map )
|
|
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
|
|
|
|
glBindTexture( GL_TEXTURE_2D, mTexture );
|
|
glEnable(GL_TEXTURE_2D);
|
|
}
|
|
}
|
|
|
|
void BL_Texture::SetMapping(int mode)
|
|
{
|
|
|
|
if(!(mode &USEREFL)) {
|
|
glDisable(GL_TEXTURE_GEN_S);
|
|
glDisable(GL_TEXTURE_GEN_T);
|
|
glDisable(GL_TEXTURE_GEN_R);
|
|
glDisable(GL_TEXTURE_GEN_Q);
|
|
return;
|
|
}
|
|
|
|
if( mType == GL_TEXTURE_CUBE_MAP_ARB &&
|
|
GLEW_ARB_texture_cube_map &&
|
|
mode &USEREFL)
|
|
{
|
|
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB );
|
|
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB );
|
|
glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB );
|
|
|
|
glEnable(GL_TEXTURE_GEN_S);
|
|
glEnable(GL_TEXTURE_GEN_T);
|
|
glEnable(GL_TEXTURE_GEN_R);
|
|
glDisable(GL_TEXTURE_GEN_Q);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP );
|
|
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP );
|
|
|
|
glEnable(GL_TEXTURE_GEN_S);
|
|
glEnable(GL_TEXTURE_GEN_T);
|
|
glDisable(GL_TEXTURE_GEN_R);
|
|
glDisable(GL_TEXTURE_GEN_Q);
|
|
}
|
|
}
|
|
|
|
|
|
void BL_Texture::setTexEnv(BL_Material *mat, bool modulate)
|
|
{
|
|
if(modulate || !GLEW_ARB_texture_env_combine){
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
return;
|
|
}
|
|
|
|
if(glIsList(mEnvState))
|
|
{
|
|
glCallList(mEnvState);
|
|
return;
|
|
}
|
|
if(!mEnvState)
|
|
mEnvState = glGenLists(1);
|
|
|
|
glNewList(mEnvState, GL_COMPILE_AND_EXECUTE);
|
|
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB );
|
|
|
|
GLfloat blend_operand = GL_SRC_COLOR;
|
|
GLfloat blend_operand_prev = GL_SRC_COLOR;
|
|
GLfloat alphaOp = GL_SRC_ALPHA;
|
|
|
|
GLenum combiner = GL_COMBINE_RGB_ARB;
|
|
GLenum source0 = GL_SOURCE0_RGB_ARB;
|
|
GLenum source1 = GL_SOURCE1_RGB_ARB;
|
|
GLenum source2 = GL_SOURCE2_RGB_ARB;
|
|
GLenum op0 = GL_OPERAND0_RGB_ARB;
|
|
GLenum op1 = GL_OPERAND1_RGB_ARB;
|
|
GLenum op2 = GL_OPERAND2_RGB_ARB;
|
|
|
|
// switch to alpha combiners
|
|
if( mat->flag[mUnit] &TEXALPHA ) {
|
|
combiner = GL_COMBINE_ALPHA_ARB;
|
|
source0 = GL_SOURCE0_ALPHA_ARB;
|
|
source1 = GL_SOURCE1_ALPHA_ARB;
|
|
source2 = GL_SOURCE2_ALPHA_ARB;
|
|
op0 = GL_OPERAND0_ALPHA_ARB;
|
|
op1 = GL_OPERAND1_ALPHA_ARB;
|
|
op2 = GL_OPERAND2_ALPHA_ARB;
|
|
blend_operand = GL_SRC_ALPHA;
|
|
blend_operand_prev = GL_SRC_ALPHA;
|
|
// invert
|
|
if(mat->flag[mUnit] &TEXNEG) {
|
|
blend_operand_prev = GL_ONE_MINUS_SRC_ALPHA;
|
|
blend_operand = GL_ONE_MINUS_SRC_ALPHA;
|
|
}
|
|
}
|
|
else {
|
|
if(mat->flag[mUnit] &TEXNEG) {
|
|
blend_operand_prev=GL_ONE_MINUS_SRC_COLOR;
|
|
blend_operand = GL_ONE_MINUS_SRC_COLOR;
|
|
}
|
|
}
|
|
bool using_alpha = false;
|
|
|
|
if(mat->flag[mUnit] &USEALPHA){
|
|
alphaOp = GL_ONE_MINUS_SRC_ALPHA;
|
|
using_alpha=true;
|
|
}
|
|
else if(mat->flag[mUnit] &USENEGALPHA){
|
|
alphaOp = GL_SRC_ALPHA;
|
|
using_alpha = true;
|
|
}
|
|
|
|
switch( mat->blend_mode[mUnit] ) {
|
|
case BLEND_MIX:
|
|
{
|
|
// ------------------------------
|
|
if(!using_alpha) {
|
|
GLfloat base_col[4];
|
|
base_col[0] = base_col[1] = base_col[2] = 0.f;
|
|
base_col[3] = 1.f-mat->color_blend[mUnit];
|
|
glTexEnvfv( GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,base_col );
|
|
}
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_INTERPOLATE_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
if(!using_alpha)
|
|
glTexEnvf( GL_TEXTURE_ENV, source2, GL_CONSTANT_ARB );
|
|
else
|
|
glTexEnvf( GL_TEXTURE_ENV, source2, GL_TEXTURE );
|
|
|
|
glTexEnvf( GL_TEXTURE_ENV, op2, alphaOp);
|
|
}break;
|
|
case BLEND_MUL:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_MODULATE);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev);
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
if(using_alpha)
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, alphaOp);
|
|
else
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
}break;
|
|
case BLEND_ADD:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_ADD_SIGNED_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
if(using_alpha)
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, alphaOp);
|
|
else
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
}break;
|
|
case BLEND_SUB:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_SUBTRACT_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
}break;
|
|
case BLEND_SCR:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_ADD);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
if(using_alpha)
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, alphaOp);
|
|
else
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
} break;
|
|
}
|
|
glTexEnvf( GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0);
|
|
|
|
glEndList();
|
|
}
|
|
|
|
int BL_Texture::GetPow2(int n)
|
|
{
|
|
if(!is_pow2(n))
|
|
n = smaller_pow2(n);
|
|
|
|
return n;
|
|
}
|
|
|
|
void BL_Texture::SplitEnvMap(EnvMap *map)
|
|
{
|
|
if (!map || !map->ima || (map->ima && !map->ima->ok)) return;
|
|
ImBuf *ibuf= BKE_image_get_ibuf(map->ima, NULL);
|
|
if (ibuf)
|
|
my_envmap_split_ima(map, ibuf);
|
|
}
|
|
|
|
unsigned int BL_Texture::mDisableState = 0;
|
|
|
|
extern "C" {
|
|
|
|
void my_envmap_split_ima(EnvMap *env, ImBuf *ibuf)
|
|
{
|
|
int dx, part;
|
|
|
|
my_free_envmapdata(env);
|
|
|
|
dx= ibuf->y;
|
|
dx/= 2;
|
|
if(3*dx != ibuf->x) {
|
|
printf("Incorrect envmap size\n");
|
|
env->ok= 0;
|
|
env->ima->ok= 0;
|
|
}
|
|
else {
|
|
for(part=0; part<6; part++) {
|
|
env->cube[part]= IMB_allocImBuf(dx, dx, 24, IB_rect, 0);
|
|
}
|
|
IMB_rectcpy(env->cube[0], ibuf,
|
|
0, 0, 0, 0, dx, dx);
|
|
IMB_rectcpy(env->cube[1], ibuf,
|
|
0, 0, dx, 0, dx, dx);
|
|
IMB_rectcpy(env->cube[2], ibuf,
|
|
0, 0, 2*dx, 0, dx, dx);
|
|
IMB_rectcpy(env->cube[3], ibuf,
|
|
0, 0, 0, dx, dx, dx);
|
|
IMB_rectcpy(env->cube[4], ibuf,
|
|
0, 0, dx, dx, dx, dx);
|
|
IMB_rectcpy(env->cube[5], ibuf,
|
|
0, 0, 2*dx, dx, dx, dx);
|
|
|
|
env->ok= 2;// ENV_OSA
|
|
}
|
|
}
|
|
|
|
|
|
void my_free_envmapdata(EnvMap *env)
|
|
{
|
|
unsigned int part;
|
|
|
|
for(part=0; part<6; part++) {
|
|
ImBuf *ibuf= env->cube[part];
|
|
if(ibuf) {
|
|
IMB_freeImBuf(ibuf);
|
|
env->cube[part]= NULL;
|
|
}
|
|
}
|
|
env->ok= 0;
|
|
}
|
|
|
|
|
|
} // extern C
|
|
|