trotFunky/OpenGL-JIN
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Added loading of a TGA mask image to generate alpha canal

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trotFunky 2019-09-25 13:02:24 +02:00
parent ad71110cdb
commit 82f359b656
5 changed files with 48 additions and 7 deletions
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6
src/main.cpp
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@ -56,7 +56,6 @@ int main(int argc, char** argv)
// Setup OPenGL to use textures
glEnable(GL_TEXTURE_2D);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,GL_NEAREST);
@ -66,11 +65,10 @@ int main(int argc, char** argv)
glTexEnvi(GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE);
// Load and generate tree texture
tree_texture.load_rgb_tga("resources/arbre.tga");
tree_texture.load_rgba_tga("resources/arbre.tga","resources/arbre_masque.tga");
glGenTextures(1,tree_texture.opengl_id);
glBindTexture(GL_TEXTURE_2D,tree_texture.opengl_id[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, tree_texture.width,tree_texture.height,0,GL_RGB,GL_UNSIGNED_BYTE,tree_texture.image_data);
gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGB8,tree_texture.width,tree_texture.height,GL_RGB,GL_UNSIGNED_BYTE,tree_texture.image_data);
gluBuild2DMipmaps(GL_TEXTURE_2D,GL_RGBA8,tree_texture.width,tree_texture.height,GL_RGBA,GL_UNSIGNED_BYTE,tree_texture.image_data);
glViewport(0,0,glutGet(GLUT_WINDOW_WIDTH),glutGet(GLUT_WINDOW_HEIGHT));