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removed unneeded texture members, added mipmaps

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devZoGok
2021-11-20 09:00:41 +02:00
parent a78f6ad32a
commit cbbe6589ea
8 changed files with 54 additions and 46 deletions
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texture.cpp
+37 -25
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@@ -20,6 +20,7 @@ namespace vb01{
glGenTextures(1, &texture[0]);
glBindTexture(GL_TEXTURE_2D, texture[0]);
if(shadowMap){
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, width, height, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -39,49 +40,53 @@ namespace vb01{
}
}
Texture::Texture(string path[], int numPaths, TextureTypeId textureTypeId, bool flip){
Texture::Texture(string paths[], int numPaths, bool cubemap, int mipmapLevel, bool flip){
this->numFrames = numPaths;
this->cubemap = cubemap;
this->paths = new string[numPaths];
for(int i = 0; i < numPaths; i++)
this->paths[i] = paths[i];
if(cubemap){
texture = new u32;
createCubemap(false, flip);
}
else{
texture = new u32[numPaths];
create2DTexture(flip);
}
}
void Texture::create2DTexture(bool flip){
mixRatio = .1;
this->typeId = textureTypeId;
this->numFrames = numPaths;
texture = new u32[numPaths];
for(int i = 0; i < numPaths; i++){
for(int i = 0; i < numFrames; i++){
bool png = false;
int length = path[i].length();
int length = paths[i].length();
if(path[i].substr(length - 4, string::npos) == ".png")
if(paths[i].substr(length - 4, string::npos) == ".png")
png = true;
glGenTextures(1, &texture[i]);
glBindTexture(GL_TEXTURE_2D, texture[i]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
stbi_set_flip_vertically_on_load(flip);
data = stbi_load(path[i].c_str(), &width, &height, &numChannels, 0);
data = stbi_load(paths[i].c_str(), &width, &height, &numChannels, 0);
glTexImage2D(GL_TEXTURE_2D, 0, png ? GL_RGBA : GL_RGB, width, height, 0, png ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, data);
//glGenerateMipmap(GL_TEXTURE_2D);
glGenerateMipmap(GL_TEXTURE_2D);
stbi_image_free(data);
}
}
Texture::Texture(string paths[6], bool flip){
this->type = TextureType::TEXTURE_CUBEMAP;
texture = new u32;
for(int i = 0; i < 6; i++)
this->paths[i] = paths[i];
createCubemap(false, flip);
}
Texture::Texture(int width, bool depth){
this->width = width;
this->type = TextureType::TEXTURE_CUBEMAP;
texture = new u32;
createCubemap(true, false);
@@ -97,23 +102,27 @@ namespace vb01{
for(int i = 0; i < 6; i++){
if(!depth){
data = stbi_load(paths[i].c_str(), &width, &height, &numChannels, 0);
if(data){
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
stbi_image_free(data);
}
else{
cout<<"Failed to read cubemap texture "<<i<<endl;
cout << "Failed to read cubemap texture " << i << endl;
exit(-1);
}
glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
}
else{
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_DEPTH_COMPONENT, width, width, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
}
}
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
@@ -141,10 +150,12 @@ namespace vb01{
}
Texture::~Texture(){
glBindTexture(type == TEXTURE_2D ? GL_TEXTURE_2D : GL_TEXTURE_CUBE_MAP, 0);
glBindTexture(cubemap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D, 0);
if(numFrames > 0){
for(int i = 0; i < numFrames; i++)
glDeleteTextures(1, &texture[i]);
delete[] texture;
}
else{
@@ -169,12 +180,13 @@ namespace vb01{
void Texture::update(int id){
select(id, frameA);
if(numFrames > 0)
select(id + 1, frameB);
}
void Texture::select(int id, int fr){
glActiveTexture(GL_TEXTURE0 + id);
glBindTexture(type == TEXTURE_2D ? GL_TEXTURE_2D : GL_TEXTURE_CUBE_MAP, texture[fr]);
glBindTexture(cubemap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D, texture[fr]);
}
}