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thin3d: Auto gen mips only once per tex.

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This commit is contained in:
Unknown W. Brackets 2016-01-23 11:22:40 -08:00
parent 5827cab6e5
commit 43218ea953
1 changed files with 12 additions and 3 deletions
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15
ext/native/thin3d/thin3d_gl.cpp
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@ -427,6 +427,7 @@ GLuint TypeToTarget(T3DTextureType type) {
class Thin3DGLTexture : public Thin3DTexture, GfxResourceHolder {
public:
Thin3DGLTexture() : tex_(0), target_(0) {
generatedMips_ = false;
width_ = 0;
height_ = 0;
depth_ = 0;
@ -434,6 +435,7 @@ public:
register_gl_resource_holder(this);
}
Thin3DGLTexture(T3DTextureType type, T3DImageFormat format, int width, int height, int depth, int mipLevels) : tex_(0), target_(TypeToTarget(type)), format_(format), mipLevels_(mipLevels) {
generatedMips_ = false;
width_ = width;
height_ = height;
depth_ = depth;
@ -446,6 +448,7 @@ public:
}
bool Create(T3DTextureType type, T3DImageFormat format, int width, int height, int depth, int mipLevels) override {
generatedMips_ = false;
format_ = format;
target_ = TypeToTarget(type);
mipLevels_ = mipLevels;
@ -459,6 +462,7 @@ public:
if (tex_) {
glDeleteTextures(1, &tex_);
tex_ = 0;
generatedMips_ = false;
}
}
void SetImageData(int x, int y, int z, int width, int height, int depth, int level, int stride, const uint8_t *data) override;
@ -469,6 +473,7 @@ public:
}
void GLLost() override {
generatedMips_ = false;
if (!filename_.empty()) {
if (LoadFromFile(filename_.c_str())) {
ILOG("Reloaded lost texture %s", filename_.c_str());
@ -488,6 +493,7 @@ private:
T3DImageFormat format_;
int mipLevels_;
bool generatedMips_;
};
Thin3DTexture *Thin3DGLContext::CreateTexture() {
@ -499,9 +505,12 @@ Thin3DTexture *Thin3DGLContext::CreateTexture(T3DTextureType type, T3DImageForma
}
void Thin3DGLTexture::AutoGenMipmaps() {
Bind();
glGenerateMipmap(target_);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
if (!generatedMips_) {
Bind();
glGenerateMipmap(target_);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
generatedMips_ = true;
}
}
void Thin3DGLTexture::SetImageData(int x, int y, int z, int width, int height, int depth, int level, int stride, const uint8_t *data) {