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Add the imgui library (#785)

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* add the imgui library

* use third-party glfw include

* another try at includes

* again

* another try
This commit is contained in:
water111
2021-08-29 14:54:16 -04:00
committed by GitHub
parent 0a6d28e264
commit ccdfa01a88
30 changed files with 50940 additions and 32 deletions
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game/graphics/texture/TexturePool.cpp
+71
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@@ -1,10 +1,12 @@
#include "TexturePool.h"
#include "third-party/fmt/core.h"
#include "third-party/imgui/imgui.h"
#include "common/util/assert.h"
#include "common/util/FileUtil.h"
#include "common/util/Timer.h"
#include "common/log/log.h"
#include "game/graphics/pipelines/opengl.h"
////////////////////////////////
// Extraction of textures
@@ -203,3 +205,72 @@ void TexturePool::relocate(u32 destination, u32 source, u32 format) {
m_textures.at(destination).normal_texture = std::move(src);
}
}
void TexturePool::draw_debug_window() {
int id = 0;
int total_vram_bytes = 0;
int total_textures = 0;
int total_uploaded_textures = 0;
for (auto& record : m_textures) {
if (record.normal_texture) {
ImGui::PushID(id++);
auto& tex = *record.normal_texture;
draw_debug_for_tex(tex.name, tex);
ImGui::PopID();
total_textures++;
if (tex.on_gpu) {
total_vram_bytes += tex.w * tex.h * 4; // todo, if we support other formats
total_uploaded_textures++;
}
}
if (record.mt4hh_texture) {
ImGui::PushID(id++);
auto& tex = *record.mt4hh_texture;
draw_debug_for_tex(tex.name, tex);
ImGui::PopID();
total_textures++;
if (tex.on_gpu) {
total_vram_bytes += tex.w * tex.h * 4; // todo, if we support other formats
total_uploaded_textures++;
}
}
}
ImGui::Text("Total Textures: %d Uploaded: %d VRAM: %.3f MB", total_textures,
total_uploaded_textures, (float)total_vram_bytes / (1024 * 1024));
}
void TexturePool::draw_debug_for_tex(const std::string& name, TextureRecord& tex) {
if (ImGui::CollapsingHeader(name.c_str())) {
ImGui::Text("Page: %s Size: %d x %d mip %d On GPU? %d", tex.page_name.c_str(), tex.w, tex.h,
tex.mip_level, tex.on_gpu);
if (tex.on_gpu) {
ImGui::Image((void*)tex.gpu_texture, ImVec2(tex.w, tex.h));
} else {
if (ImGui::Button("Upload to GPU!")) {
upload_to_gpu(&tex);
}
}
}
}
void TexturePool::upload_to_gpu(TextureRecord* tex) {
assert(!tex->on_gpu);
GLuint tex_id;
glGenTextures(1, &tex_id);
tex->gpu_texture = tex_id;
glBindTexture(GL_TEXTURE_2D, tex_id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex->w, tex->h, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV,
tex->data.data());
glBindTexture(GL_TEXTURE_2D, 0);
// we have to set these, imgui won't do it automatically
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, tex->gpu_texture);
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_MAG_FILTER, GL_LINEAR);
tex->on_gpu = true;
}