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opengl: remove old geriatric texture cache

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This commit is contained in:
itsmattkc
2022-07-11 19:03:37 -07:00
parent a8d46c4c5f
commit a6d1ec99a8
2 changed files with 31 additions and 123 deletions
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app/render/opengl/openglrenderer.cpp
+31 -108
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@@ -84,12 +84,9 @@ QMutex global_opengl_mutex;
OpenGLRenderer::OpenGLRenderer(QObject* parent) :
Renderer(parent),
cache_timer_(this),
context_(nullptr),
framebuffer_(0)
{
cache_timer_.setInterval(kTextureCacheMaxSize);
connect(&cache_timer_, &QTimer::timeout, this, &OpenGLRenderer::GarbageCollectTextureCache);
}
OpenGLRenderer::~OpenGLRenderer()
@@ -156,8 +153,6 @@ void OpenGLRenderer::PostInit()
// Set up framebuffer used for various things
functions_->glGenFramebuffers(1, &framebuffer_);
cache_timer_.start();
}
void OpenGLRenderer::DestroyInternal()
@@ -169,19 +164,12 @@ void OpenGLRenderer::DestroyInternal()
functions_->glDeleteFramebuffers(1, &framebuffer_);
framebuffer_ = 0;
for (auto it=texture_cache_.cbegin(); it!=texture_cache_.cend(); it++) {
functions_->glDeleteTextures(1, &it->texture);
}
texture_cache_.clear();
// Delete context if it belongs to us
if (context_->parent() == this) {
delete context_;
}
context_ = nullptr;
}
cache_timer_.stop();
}
void OpenGLRenderer::ClearDestination(Texture *texture, double r, double g, double b, double a)
@@ -210,38 +198,25 @@ QVariant OpenGLRenderer::CreateNativeTexture3D(int width, int height, int depth,
{
GL_PREAMBLE;
GLuint texture = GetCachedTexture(width, height, depth, format, channel_count);
// Generate new texture
GLuint texture;
functions_->glGenTextures(1, &texture);
texture_params_.insert(texture, {width, height, depth, format, channel_count});
// If no texture in cache, generate new texture
bool new_tex = (texture == 0);
if (new_tex) {
functions_->glGenTextures(1, &texture);
texture_params_.insert(texture, {width, height, depth, format, channel_count});
}
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, linesize);
if (new_tex || data) {
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, linesize);
GLint current_tex;
functions_->glGetIntegerv(GL_TEXTURE_BINDING_3D, &current_tex);
GLint current_tex;
functions_->glGetIntegerv(GL_TEXTURE_BINDING_3D, &current_tex);
functions_->glBindTexture(GL_TEXTURE_3D, texture);
functions_->glBindTexture(GL_TEXTURE_3D, texture);
context_->extraFunctions()->glTexImage3D(GL_TEXTURE_3D, 0, GetInternalFormat(format, channel_count),
width, height, depth, 0, GetPixelFormat(channel_count),
GetPixelType(format), data);
if (new_tex) {
context_->extraFunctions()->glTexImage3D(GL_TEXTURE_3D, 0, GetInternalFormat(format, channel_count),
width, height, depth, 0, GetPixelFormat(channel_count),
GetPixelType(format), data);
} else {
context_->extraFunctions()->glTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, 0,
width, height, depth,
GetPixelFormat(channel_count), GetPixelType(format),
data);
}
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
functions_->glBindTexture(GL_TEXTURE_3D, current_tex);
}
functions_->glBindTexture(GL_TEXTURE_3D, current_tex);
return texture;
}
@@ -268,10 +243,7 @@ void OpenGLRenderer::DestroyNativeTexture(QVariant texture)
GLuint t = texture.value<GLuint>();
if (t > 0) {
TextureCacheKey key = texture_params_.value(t);
TextureCacheEntry entry = {key, t, QDateTime::currentMSecsSinceEpoch()};
texture_cache_.append(entry);
functions_->glDeleteTextures(1, &t);
}
}
@@ -818,41 +790,27 @@ void OpenGLRenderer::ClearDestinationInternal(double r, double g, double b, doub
QVariant OpenGLRenderer::CreateNativeTexture2DInternal(int width, int height, VideoParams::Format format, int channel_count, const void *data, int linesize)
{
GLuint texture = GetCachedTexture(width, height, 1, format, channel_count);
GLuint texture;
functions_->glGenTextures(1, &texture);
texture_params_.insert(texture, {width, height, 1, format, channel_count});
// If no texture in cache, generate new texture
bool new_tex = (texture == 0);
if (new_tex) {
functions_->glGenTextures(1, &texture);
texture_params_.insert(texture, {width, height, 1, format, channel_count});
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, linesize);
GLint current_tex;
functions_->glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_tex);
functions_->glBindTexture(GL_TEXTURE_2D, texture);
{
PRINT_GL_ERRORS;
functions_->glTexImage2D(GL_TEXTURE_2D, 0, GetInternalFormat(format, channel_count),
width, height, 0, GetPixelFormat(channel_count),
GetPixelType(format), data);
}
if (new_tex || data) {
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, linesize);
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
GLint current_tex;
functions_->glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_tex);
functions_->glBindTexture(GL_TEXTURE_2D, texture);
{
PRINT_GL_ERRORS;
if (new_tex) {
functions_->glTexImage2D(GL_TEXTURE_2D, 0, GetInternalFormat(format, channel_count),
width, height, 0, GetPixelFormat(channel_count),
GetPixelType(format), data);
} else {
functions_->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
width, height,
GetPixelFormat(channel_count), GetPixelType(format),
data);
}
}
functions_->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
functions_->glBindTexture(GL_TEXTURE_2D, current_tex);
}
functions_->glBindTexture(GL_TEXTURE_2D, current_tex);
return texture;
}
@@ -862,25 +820,6 @@ QVariant OpenGLRenderer::CreateNativeTexture2DInternal(const VideoParams &params
return CreateNativeTexture2DInternal(params.effective_width(), params.effective_height(), params.format(), params.channel_count(), data, linesize);
}
GLuint OpenGLRenderer::GetCachedTexture(int width, int height, int depth, VideoParams::Format format, int channel_count)
{
TextureCacheKey input_key = {width, height, depth, format, channel_count};
for (int i=0; i<texture_cache_.size(); i++) {
const TextureCacheEntry &entry = texture_cache_.at(i);
if (entry.key == input_key) {
GLuint t = entry.texture;
texture_cache_.removeAt(i);
return t;
}
}
return 0;
}
GLuint OpenGLRenderer::CompileShader(GLenum type, const QString &code)
{
static const QString shader_preamble =
@@ -928,20 +867,4 @@ GLuint OpenGLRenderer::CompileShader(GLenum type, const QString &code)
return shader;
}
void OpenGLRenderer::GarbageCollectTextureCache()
{
qint64 max_age = QDateTime::currentMSecsSinceEpoch() - kTextureCacheMaxSize;
for (auto it=texture_cache_.begin(); it!=texture_cache_.end(); ) {
if (it->age < max_age) {
GL_PREAMBLE;
GLuint t = it->texture;
texture_params_.remove(t);
functions_->glDeleteTextures(1, &t);
it = texture_cache_.erase(it);
} else {
it++;
}
}
}
}