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OpenGL: use 4.1 core

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necessary for modern Mac support
This commit is contained in:
Kae 2024-07-07 04:44:01 +10:00
parent 4b0d1cb90d
commit d313a3ceb3
3 changed files with 23 additions and 2 deletions
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4
source/application/StarMainApplication_sdl.cpp
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@ -305,6 +305,10 @@ public:
int height; int height;
SDL_GetWindowSize(m_sdlWindow, &width, &height); SDL_GetWindowSize(m_sdlWindow, &width, &height);
m_windowSize = Vec2U(width, height); m_windowSize = Vec2U(width, height);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
m_sdlGlContext = SDL_GL_CreateContext(m_sdlWindow); m_sdlGlContext = SDL_GL_CreateContext(m_sdlWindow);
if (!m_sdlGlContext) if (!m_sdlGlContext)

19
source/application/StarRenderer_opengl.cpp
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@ -80,6 +80,15 @@ void main() {
} }
)SHADER"; )SHADER";
/*
static void GLAPIENTRY GlMessageCallback(GLenum, GLenum type, GLuint, GLenum, GLsizei, const GLchar* message, const void* renderer) {
if (type == GL_DEBUG_TYPE_ERROR) {
Logger::error("GL ERROR: {}", message);
__debugbreak();
}
}
*/
OpenGlRenderer::OpenGlRenderer() { OpenGlRenderer::OpenGlRenderer() {
if (glewInit() != GLEW_OK) if (glewInit() != GLEW_OK)
throw RendererException("Could not initialize GLEW"); throw RendererException("Could not initialize GLEW");
@ -94,10 +103,11 @@ OpenGlRenderer::OpenGlRenderer() {
(const char*)glGetString(GL_SHADING_LANGUAGE_VERSION)); (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION));
glClearColor(0.0, 0.0, 0.0, 1.0); glClearColor(0.0, 0.0, 0.0, 1.0);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND); glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DEPTH_TEST); glDisable(GL_DEPTH_TEST);
//glEnable(GL_DEBUG_OUTPUT);
//glDebugMessageCallback(GlMessageCallback, this);
m_whiteTexture = createGlTexture(Image::filled({1, 1}, Vec4B(255, 255, 255, 255), PixelFormat::RGBA32), m_whiteTexture = createGlTexture(Image::filled({1, 1}, Vec4B(255, 255, 255, 255), PixelFormat::RGBA32),
TextureAddressing::Clamp, TextureAddressing::Clamp,
@ -694,6 +704,10 @@ Vec2U OpenGlRenderer::GlLoneTexture::glTextureCoordinateOffset() const {
return Vec2U(); return Vec2U();
} }
OpenGlRenderer::GlRenderBuffer::GlRenderBuffer() {
glGenVertexArrays(1, &vertexArray);
}
OpenGlRenderer::GlRenderBuffer::~GlRenderBuffer() { OpenGlRenderer::GlRenderBuffer::~GlRenderBuffer() {
for (auto const& texture : usedTextures) { for (auto const& texture : usedTextures) {
if (auto gt = as<GlGroupedTexture>(texture.get())) if (auto gt = as<GlGroupedTexture>(texture.get()))
@ -701,6 +715,7 @@ OpenGlRenderer::GlRenderBuffer::~GlRenderBuffer() {
} }
for (auto const& vb : vertexBuffers) for (auto const& vb : vertexBuffers)
glDeleteBuffers(1, &vb.vertexBuffer); glDeleteBuffers(1, &vb.vertexBuffer);
glDeleteVertexArrays(1, &vertexArray);
} }
void OpenGlRenderer::GlRenderBuffer::set(List<RenderPrimitive>& primitives) { void OpenGlRenderer::GlRenderBuffer::set(List<RenderPrimitive>& primitives) {
@ -715,7 +730,7 @@ void OpenGlRenderer::GlRenderBuffer::set(List<RenderPrimitive>& primitives) {
List<GLuint> currentTextures; List<GLuint> currentTextures;
List<Vec2U> currentTextureSizes; List<Vec2U> currentTextureSizes;
size_t currentVertexCount = 0; size_t currentVertexCount = 0;
glBindVertexArray(vertexArray);
auto finishCurrentBuffer = [&]() { auto finishCurrentBuffer = [&]() {
if (currentVertexCount > 0) { if (currentVertexCount > 0) {
GlVertexBuffer vb; GlVertexBuffer vb;

2
source/application/StarRenderer_opengl.hpp
View File

@ -143,6 +143,7 @@ private:
size_t vertexCount = 0; size_t vertexCount = 0;
}; };
GlRenderBuffer();
~GlRenderBuffer(); ~GlRenderBuffer();
void set(List<RenderPrimitive>& primitives) override; void set(List<RenderPrimitive>& primitives) override;
@ -152,6 +153,7 @@ private:
HashSet<TexturePtr> usedTextures; HashSet<TexturePtr> usedTextures;
List<GlVertexBuffer> vertexBuffers; List<GlVertexBuffer> vertexBuffers;
GLuint vertexArray = 0;
bool useMultiTexturing{true}; bool useMultiTexturing{true};
}; };