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Resize textures when window resizes

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This commit is contained in:
Malin E
2022-10-06 12:04:22 +02:00
parent 202cf4b5b6
commit 4adaea5b76
2 changed files with 108 additions and 99 deletions
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202
modules/base/rendering/renderablemodel.cpp
View File

@@ -606,16 +606,6 @@ void RenderableModel::initializeGL() {
(void*)(2 * sizeof(GLfloat))
);
createFramebuffers();
_geometry->initialize();
_geometry->calculateBoundingRadius();
}
void RenderableModel::createFramebuffers() {
glm::vec2 resolution = global::windowDelegate->currentDrawBufferResolution();
// Generate textures and the frame buffer
glGenTextures(1, &_colorTexture);
glGenTextures(1, &_positionTexture);
@@ -623,93 +613,11 @@ void RenderableModel::createFramebuffers() {
glGenTextures(1, &_depthTexture);
glGenFramebuffers(1, &_framebuffer);
// Create the textures
// Color
glBindTexture(GL_TEXTURE_2D, _colorTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA32F,
static_cast<GLsizei>(resolution.x),
static_cast<GLsizei>(resolution.y),
0,
GL_RGBA,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _colorTexture, -1, "RenderableModel Color");
}
// Create Textures
_resolution = global::windowDelegate->currentDrawBufferResolution();
updateResolution();
// Position
glBindTexture(GL_TEXTURE_2D, _positionTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA32F,
static_cast<GLsizei>(resolution.x),
static_cast<GLsizei>(resolution.y),
0,
GL_RGBA,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _positionTexture, -1, "RenderableModel Position");
}
// Normal
glBindTexture(GL_TEXTURE_2D, _normalTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA32F,
static_cast<GLsizei>(resolution.x),
static_cast<GLsizei>(resolution.y),
0,
GL_RGBA,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _normalTexture, -1, "RenderableModel Normal");
}
// Depth
glBindTexture(GL_TEXTURE_2D, _depthTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_DEPTH_COMPONENT32F,
static_cast<GLsizei>(resolution.x),
static_cast<GLsizei>(resolution.y),
0,
GL_DEPTH_COMPONENT,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _depthTexture, -1, "RenderableModel Depth");
}
// Create buffers
// Bind textures to the framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, _framebuffer);
glFramebufferTexture(
GL_FRAMEBUFFER,
@@ -742,10 +650,104 @@ void RenderableModel::createFramebuffers() {
// Check status
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
if (status != GL_FRAMEBUFFER_COMPLETE) {
LERROR("Framebuffer is not complete!");
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
// Initialize geometry
_geometry->initialize();
_geometry->calculateBoundingRadius();
}
void RenderableModel::updateResolution() {
ZoneScoped
// Create the textures
// Color
glBindTexture(GL_TEXTURE_2D, _colorTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA32F,
static_cast<GLsizei>(_resolution.x),
static_cast<GLsizei>(_resolution.y),
0,
GL_RGBA,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _colorTexture, -1, "RenderableModel Color");
}
// Position
glBindTexture(GL_TEXTURE_2D, _positionTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA32F,
static_cast<GLsizei>(_resolution.x),
static_cast<GLsizei>(_resolution.y),
0,
GL_RGBA,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _positionTexture, -1, "RenderableModel Position");
}
// Normal
glBindTexture(GL_TEXTURE_2D, _normalTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA32F,
static_cast<GLsizei>(_resolution.x),
static_cast<GLsizei>(_resolution.y),
0,
GL_RGBA,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _normalTexture, -1, "RenderableModel Normal");
}
// Depth
glBindTexture(GL_TEXTURE_2D, _depthTexture);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_DEPTH_COMPONENT32F,
static_cast<GLsizei>(_resolution.x),
static_cast<GLsizei>(_resolution.y),
0,
GL_DEPTH_COMPONENT,
GL_FLOAT,
nullptr
);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
if (glbinding::Binding::ObjectLabel.isResolved()) {
glObjectLabel(GL_TEXTURE, _depthTexture, -1, "RenderableModel Depth");
}
}
void RenderableModel::deinitializeGL() {
@@ -975,6 +977,12 @@ void RenderableModel::update(const UpdateData& data) {
ghoul::opengl::updateUniformLocations(*_program, _uniformCache, UniformNames);
}
glm::ivec2 resolution = global::windowDelegate->currentDrawBufferResolution();
if (resolution != _resolution) {
_resolution = resolution;
updateResolution();
}
setBoundingSphere(_geometry->boundingRadius() * _modelScale *
glm::compMax(data.modelTransform.scale)
);

5
modules/base/rendering/renderablemodel.h
View File

@@ -118,7 +118,7 @@ private:
properties::PropertyOwner _lightSourcePropertyOwner;
// Frame buffer stuff
// Framebuffer and its textures
GLuint _framebuffer;
GLuint _colorTexture;
GLuint _depthTexture;
@@ -126,7 +126,8 @@ private:
GLuint _normalTexture;
GLuint _quadVao;
GLuint _quadVbo;
void createFramebuffers();
glm::ivec2 _resolution = glm::ivec2(0);
void updateResolution();
ghoul::opengl::ProgramObject* _quadProgram = nullptr;
UniformCache(opacity, opacityBlending, colorTexture, depthTexture, positionTexture,