port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/4kgfx/ogl3.h
+++ b/4kgfx/ogl3.h
@@ -0,0 +1,102 @@
+#pragma once
+
+#define XRES 1280
+#define YRES 720
+
+typedef HGLRC (WINAPI *PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
+typedef void (WINAPI *GLDEBUGPROCAMD)(GLuint id,GLenum category,GLenum severity,GLsizei length,const GLchar *message,GLvoid *userParam);
+typedef void (WINAPI *PFNGLDEBUGMESSAGECALLBACKAMDPROC) (GLDEBUGPROCAMD callback, GLvoid *userParam);
+
+PFNGLCREATEPROGRAMPROC glCreateProgram;
+PFNGLCREATESHADERPROC glCreateShader;
+PFNGLSHADERSOURCEPROC glShaderSource;
+PFNGLCOMPILESHADERPROC glCompileShader;
+PFNGLATTACHSHADERPROC glAttachShader;
+PFNGLLINKPROGRAMPROC glLinkProgram;
+PFNGLUSEPROGRAMPROC glUseProgram;
+PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
+PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
+PFNGLGENBUFFERSPROC glGenBuffers;
+PFNGLBUFFERDATAPROC glBufferData;
+PFNGLMAPBUFFERPROC glMapBuffer;
+PFNGLUNMAPBUFFERPROC glUnmapBuffer;
+PFNGLBINDBUFFERPROC glBindBuffer;
+PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray;
+PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;
+PFNGLGETATTRIBLOCATIONPROC glGetAttribLocation;
+
+#pragma data_seg(".screenSettings")
+static DEVMODE screenSettings = {{0}, 0, 0, sizeof(DEVMODE), 0, 0x001c0000, {0}, 0, 0, 0, 0, 0, {0}, 0, 32, XRES, YRES, {0}, 0};
+
+#pragma data_seg(".pfd")
+static const PIXELFORMATDESCRIPTOR pfd = {0, 1, PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, PFD_TYPE_RGBA, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8};
+
+#pragma code_seg(".compile")
+unsigned int __cdecl compileShader(const char* vsh, const char* fsh)
+{
+	GLuint s,p;
+	p = glCreateProgram();
+	s = glCreateShader(GL_VERTEX_SHADER);
+	glShaderSource(s, 1, &vsh, NULL);
+	glCompileShader(s);
+	glAttachShader(p, s);
+	s = glCreateShader(GL_FRAGMENT_SHADER);	
+	glShaderSource(s, 1, &fsh, NULL);
+	glCompileShader(s);
+	glAttachShader(p, s);
+	glLinkProgram(p);
+	glUseProgram(p);
+	return p;
+};
+
+#ifdef _DEBUG
+void APIENTRY glDebugOutputAMD(GLuint id, GLenum category, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam)
+{
+	OutputDebugStringA("[");
+
+	if (severity == GL_DEBUG_SEVERITY_HIGH_AMD)
+		OutputDebugStringA("high");
+	else if (severity == GL_DEBUG_SEVERITY_MEDIUM_AMD)
+		OutputDebugStringA("medium");
+	else if (severity == GL_DEBUG_SEVERITY_LOW_AMD)
+		OutputDebugStringA("low");
+
+	OutputDebugStringA("] ");
+
+	if (category == GL_DEBUG_CATEGORY_API_ERROR_AMD)
+		OutputDebugStringA("api error");
+	else if (category == GL_DEBUG_CATEGORY_WINDOW_SYSTEM_AMD)
+		OutputDebugStringA("window system");
+	else if (category == GL_DEBUG_CATEGORY_DEPRECATION_AMD)
+		OutputDebugStringA("deprecation");
+	else if (category == GL_DEBUG_CATEGORY_UNDEFINED_BEHAVIOR_AMD)
+		OutputDebugStringA("undefined behavior");
+	else if (category == GL_DEBUG_CATEGORY_PERFORMANCE_AMD)
+		OutputDebugStringA("performance");
+	else if (category == GL_DEBUG_CATEGORY_SHADER_COMPILER_AMD)
+		OutputDebugStringA("shader compiler");
+	else if (category == GL_DEBUG_CATEGORY_APPLICATION_AMD)
+		OutputDebugStringA("application");
+	else if (category == GL_DEBUG_CATEGORY_OTHER_AMD)
+		OutputDebugStringA("other");
+
+	OutputDebugStringA(": ");
+	OutputDebugStringA(message);
+	OutputDebugStringA("\n");
+
+	DebugBreak();
+}
+#endif
+
+#pragma data_seg(".attribs")
+static const int attribs[] =
+{
+	WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
+	WGL_CONTEXT_MINOR_VERSION_ARB, 3,
+#ifdef _DEBUG
+	WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB | WGL_CONTEXT_DEBUG_BIT_ARB,
+#else
+	WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
+#endif
+	0
+};