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authorLaG1924 <lag1924@gmail.com>2021-06-13 10:47:33 +0200
committerLaG1924 <lag1924@gmail.com>2021-06-13 10:47:33 +0200
commitf2266b843959413277767a990bb9a9c5593f3489 (patch)
treef26e90e9f7ceb9be3c108eb5129305356ac8df3a /src/Rml.cpp
parentAdded RmlUi to CMakeLists.txt (diff)
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Diffstat (limited to 'src/Rml.cpp')
-rw-r--r--src/Rml.cpp154
1 files changed, 154 insertions, 0 deletions
diff --git a/src/Rml.cpp b/src/Rml.cpp
new file mode 100644
index 0000000..7987121
--- /dev/null
+++ b/src/Rml.cpp
@@ -0,0 +1,154 @@
+#include "Rml.hpp"
+
+#include <easylogging++.h>
+
+#include "AssetManager.hpp"
+#include "Shader.hpp"
+#include "Utility.hpp"
+
+double RmlSystemInterface::GetElapsedTime() {
+ return totalTime;
+}
+
+bool RmlSystemInterface::LogMessage(Rml::Log::Type type, const Rml::String& message) {
+ switch (type) {
+ case Rml::Log::Type::LT_ALWAYS:
+ LOG(ERROR) << message;
+ break;
+ case Rml::Log::Type::LT_ERROR:
+ LOG(ERROR) << message;
+ break;
+ case Rml::Log::Type::LT_ASSERT:
+ LOG(ERROR) << message;
+ break;
+ case Rml::Log::Type::LT_WARNING:
+ LOG(WARNING) << message;
+ break;
+ case Rml::Log::Type::LT_INFO:
+ LOG(INFO) << message;
+ break;
+ case Rml::Log::Type::LT_DEBUG:
+ LOG(DEBUG) << message;
+ break;
+ case Rml::Log::Type::LT_MAX:
+ LOG(DEBUG) << message;
+ break;
+ }
+ return true;
+}
+
+RmlRenderInterface::RmlRenderInterface(RenderState& renderState) : State(&renderState) {
+ glGenVertexArrays(1, &Vao);
+ glBindVertexArray(Vao);
+ glCheckError();
+
+ glGenBuffers(1, &Ebo);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, Ebo);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, 0, nullptr, GL_STREAM_DRAW);
+ glCheckError();
+
+ glGenBuffers(1, &Vbo);
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo);
+ glBufferData(GL_ARRAY_BUFFER, 0, nullptr, GL_STREAM_DRAW);
+ glCheckError();
+
+ {
+ //Vertex position (2 float)
+ GLuint PosAttribPos = 0;
+ glVertexAttribPointer(PosAttribPos, 2, GL_FLOAT, GL_FALSE, 20, (void*)0);
+ glEnableVertexAttribArray(PosAttribPos);
+
+ //Vertex colour (4 uint8 RGBA)
+ GLuint ColAttribPos = 1;
+ glVertexAttribIPointer(ColAttribPos, 4, GL_UNSIGNED_BYTE, 20, (void*)8);
+ glEnableVertexAttribArray(ColAttribPos);
+
+ //Vertex tex_coord (2 float)
+ GLuint TexAttribPos = 2;
+ glVertexAttribPointer(TexAttribPos, 2, GL_FLOAT, GL_FALSE, 20, (void*)12);
+ glEnableVertexAttribArray(TexAttribPos);
+ }
+ glBindVertexArray(0);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+ glCheckError();
+}
+
+RmlRenderInterface::~RmlRenderInterface() {
+ glDeleteVertexArrays(1, &Vao);
+ glDeleteBuffers(1, &Vbo);
+ glDeleteBuffers(1, &Ebo);
+ glCheckError();
+}
+
+void RmlRenderInterface::RenderGeometry(Rml::Vertex* vertices, int num_vertices, int* indices, int num_indices, Rml::TextureHandle texture, const Rml::Vector2f& translation) {
+ if (texture) {
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->Activate();
+ glBindTexture(GL_TEXTURE_2D, texture);
+ }
+ else
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->Activate();
+ glCheckError();
+
+ glBindVertexArray(Vao);
+ glCheckError();
+
+ glBindBuffer(GL_ARRAY_BUFFER, Vbo);
+ glBufferData(GL_ARRAY_BUFFER, num_vertices * sizeof(Rml::Vertex), vertices, GL_STREAM_DRAW);
+ glCheckError();
+
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, Ebo);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, num_indices * sizeof(int), indices, GL_STREAM_DRAW);
+ glCheckError();
+
+ glDrawElements(GL_TRIANGLES, num_indices, GL_UNSIGNED_INT, 0);
+ glCheckError();
+ glBindVertexArray(0);
+}
+
+void RmlRenderInterface::EnableScissorRegion(bool enable) {
+
+}
+
+void RmlRenderInterface::SetScissorRegion(int x, int y, int width, int height) {
+
+}
+
+bool RmlRenderInterface::LoadTexture(Rml::TextureHandle& texture_handle, Rml::Vector2i& texture_dimensions, const Rml::String& source) {
+ return false;
+}
+
+bool RmlRenderInterface::GenerateTexture(Rml::TextureHandle& texture_handle, const Rml::byte* source, const Rml::Vector2i& source_dimensions) {
+ int mipLevelCount = 1;
+ glActiveTexture(GL_TEXTURE0);
+ GLuint texture;
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glCheckError();
+
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, source_dimensions.x, source_dimensions.y, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, source);
+ glCheckError();
+
+ texture_handle = texture;
+ return true;
+}
+
+void RmlRenderInterface::ReleaseTexture(Rml::TextureHandle texture) {
+ GLuint textures = texture;
+ glDeleteTextures(1, &textures);
+ glCheckError();
+}
+
+void RmlRenderInterface::Update(unsigned int windowWidth, unsigned int windowHeight) {
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->Activate();
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rml")->shader->SetUniform("viewportSize", windowWidth, windowHeight);
+ glCheckError();
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->Activate();
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->SetUniform("viewportSize", windowWidth, windowHeight);
+ AssetManager::GetAsset<AssetShader>("/altcraft/shaders/rmltex")->shader->SetUniform("fontTexture", 0);
+ glCheckError();
+}