diff options
Diffstat (limited to 'source/gameengine/Ketsji/BL_Texture.cpp')
| -rw-r--r-- | source/gameengine/Ketsji/BL_Texture.cpp | 759 |
1 files changed, 0 insertions, 759 deletions
diff --git a/source/gameengine/Ketsji/BL_Texture.cpp b/source/gameengine/Ketsji/BL_Texture.cpp deleted file mode 100644 index 7dac7993b8c..00000000000 --- a/source/gameengine/Ketsji/BL_Texture.cpp +++ /dev/null @@ -1,759 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file gameengine/Ketsji/BL_Texture.cpp - * \ingroup ketsji - */ - -#include "GPU_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_ICanvas.h" -#include "RAS_Rect.h" - -#include "KX_GameObject.h" - -#define spit(x) std::cout << x << std::endl; - -#include "MEM_guardedalloc.h" -#include "GPU_draw.h" -#include "GPU_extensions.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_power_of_2_i(int num) -{ - return ((num)&(num-1))==0; -} -static int power_of_2_min_i(int num) -{ - while (!is_power_of_2_i(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; -static GLint g_max_units = -1; - - -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_acquire_ibuf(img, NULL, NULL); - if (ibuf==NULL) - { - img->ok = 0; - mOk = false; - return mOk; - } - - mipmap = mipmap && GPU_get_mipmap(); - - mTexture = img->bindcode[TEXTARGET_TEXTURE_2D]; - mType = GL_TEXTURE_2D; - mUnit = unit; - - ActivateUnit(mUnit); - - if (mTexture != 0) { - glBindTexture(GL_TEXTURE_2D, mTexture ); - Validate(); - BKE_image_release_ibuf(img, ibuf, NULL); - 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(); - BKE_image_release_ibuf(img, ibuf, NULL); - return mOk; - } - } - - mNeedsDeleted = 1; - glGenTextures(1, (GLuint*)&mTexture); - -#ifdef WITH_DDS - if (ibuf->ftype == IMB_FTYPE_DDS) - InitGLCompressedTex(ibuf, mipmap); - else - InitGLTex(ibuf->rect, ibuf->x, ibuf->y, mipmap); -#else - InitGLTex(ibuf->rect, ibuf->x, ibuf->y, mipmap); -#endif - - // 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(); - - BKE_image_release_ibuf(img, ibuf, NULL); - - return mOk; -} - -void BL_Texture::InitGLTex(unsigned int *pix,int x,int y,bool mipmap) -{ - if (!GPU_full_non_power_of_two_support() && (!is_power_of_2_i(x) || !is_power_of_2_i(y)) ) { - InitNonPow2Tex(pix, x,y,mipmap); - return; - } - - glBindTexture(GL_TEXTURE_2D, mTexture ); - if ( mipmap ) { - int i; - ImBuf *ibuf; - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - ibuf = IMB_allocFromBuffer(pix, NULL, x, y); - - IMB_makemipmap(ibuf, true); - - for (i = 0; i < ibuf->miptot; i++) { - ImBuf *mip = IMB_getmipmap(ibuf, i); - - glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, mip->x, mip->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, mip->rect); - } - IMB_freeImBuf(ibuf); - } - else { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix ); - } - - if (GLEW_EXT_texture_filter_anisotropic) - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic()); - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); -} - -void BL_Texture::InitGLCompressedTex(ImBuf *ibuf, bool mipmap) -{ -#ifndef WITH_DDS - // Fall back to uncompressed if DDS isn't enabled - InitGLTex(ibuf->rect, ibuf->x, ibuf->y, mipmap); - return; -#else - glBindTexture(GL_TEXTURE_2D, mTexture); - - if (GPU_upload_dxt_texture(ibuf) == 0) { - InitGLTex(ibuf->rect, ibuf->x, ibuf->y, mipmap); - return; - } -#endif -} - -void BL_Texture::InitNonPow2Tex(unsigned int *pix,int x,int y,bool mipmap) -{ - int nx= power_of_2_min_i(x); - int ny= power_of_2_min_i(y); - - ImBuf *ibuf = IMB_allocFromBuffer(pix, NULL, x, y); - IMB_scaleImBuf(ibuf, nx, ny); - - glBindTexture(GL_TEXTURE_2D, mTexture ); - - if ( mipmap ) { - int i; - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - IMB_makemipmap(ibuf, true); - - for (i = 0; i < ibuf->miptot; i++) { - ImBuf *mip = IMB_getmipmap(ibuf, i); - - glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, mip->x, mip->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, mip->rect); - } - } - 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, ibuf->rect ); - } - - if (GLEW_EXT_texture_filter_anisotropic) - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic()); - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - IMB_freeImBuf(ibuf); -} - - -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_acquire_ibuf(cubemap->ima, NULL, 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(); - BKE_image_release_ibuf(cubemap->ima, ibuf, NULL); - 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_power_of_2_i(cubemap->cube[0]->x) || !is_power_of_2_i(cubemap->cube[0]->y)) - { - spit("invalid envmap size please render with CubeRes @ power of two"); - - my_free_envmapdata(cubemap); - mOk = false; - BKE_image_release_ibuf(cubemap->ima, ibuf, NULL); - 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(); - - BKE_image_release_ibuf(cubemap->ima, ibuf, NULL); - - 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() -{ - if (g_max_units < 0) { - GLint unit = 0; - glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS_ARB, &unit); - g_max_units = (MAXTEX >= unit) ? unit : MAXTEX; - } - - return g_max_units; -} - -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, 1.0f); - - glEndList(); -} - -int BL_Texture::GetPow2(int n) -{ - if (!is_power_of_2_i(n)) - n = power_of_2_min_i(n); - - return n; -} - -void BL_Texture::SplitEnvMap(EnvMap *map) -{ - if (!map || !map->ima || (map->ima && !map->ima->ok)) return; - ImBuf *ibuf= BKE_image_acquire_ibuf(map->ima, NULL, NULL); - if (ibuf) { - my_envmap_split_ima(map, ibuf); - BKE_image_release_ibuf(map->ima, ibuf, NULL); - } -} - -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); - } - 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 - |