add Novidia (non-Nvidia chara skinning)

2020-07-22 16:28:46 +10:00
parent 243cbc3f94
commit 0bb614ce53
6 changed files with 482 additions and 0 deletions
@@ -0,0 +1,136 @@
+#pragma once
+
+#include <windows.h>
+#include <iostream>
+#include <detours.h>
+
+
+// should probably just use GL.h, but I'm avoiding it to let me call hooked stuff as normal
+typedef uint32_t GLenum, GLuint, GLsizei, GLbitfield;
+typedef int32_t GLint;
+typedef uint64_t GLsizeiptr;
+typedef int64_t GLintptr, GLint64;
+typedef bool GLboolean;
+typedef char GLchar;
+
+#define GL_FALSE 0
+#define GL_NO_ERROR 0
+#define GL_TEXTURE_1D 0x0de0
+#define GL_FLOAT 0x1406
+#define GL_RGBA 0x1908
+#define GL_NEAREST 0x2600
+#define GL_TEXTURE_MAG_FILTER 0x2800
+#define GL_TEXTURE_MIN_FILTER 0x2801
+#define GL_TEXTURE_WRAP_S 0x2802
+#define GL_CLAMP_TO_BORDER 0x812d
+#define GL_CLAMP_TO_EDGE 0x812f
+#define GL_TEXTURE0 0x84c0
+#define GL_TEXTURE8 0x84c8
+#define GL_BUFFER_SIZE 0x8764
+#define GL_RGBA32F 0x8814
+#define GL_ARRAY_BUFFER 0x8892
+#define GL_ARRAY_BUFFER_BINDING 0x8894
+#define GL_READ_ONLY 0x88b8
+#define GL_STREAM_DRAW 0x88e0
+#define GL_STREAM_COPY 0x88e2
+#define GL_COMPILE_STATUS 0x8b81
+#define GL_LINK_STATUS 0x8b82
+#define GL_CURRENT_PROGRAM 0x8b8d
+#define GL_VERTEX_PROGRAM_PARAMETER_BUFFER_NV 0x8da2
+#define GL_FRAGMENT_PROGRAM_PARAMETER_BUFFER_NV 0x8da4
+#define GL_SHADER_STORAGE_BUFFER 0x90d2
+#define GL_COMPUTE_SHADER 0x91b9
+#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001
+#define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000
+
+
+//void(__cdecl** p_glActiveTexture)(GLenum texture) = (void(__cdecl**)(GLenum texture))0x1411a3db8;
+//void(__cdecl* glGenTextures)(GLsizei n, GLuint* textures) = *(void(__cdecl**)(GLsizei n, GLuint * textures))0x140965ad8;
+//void(__cdecl* glBindTexture)(GLenum target, GLuint texture) = *(void(__cdecl**)(GLenum target, GLuint texture))0x140965bf8;
+//void(__cdecl* glDrawElements)(GLenum mode, GLsizei count, GLenum type, const void* indices) = *(void(__cdecl**)(GLenum mode, GLsizei count, GLenum type, const void* indices))0x140965a48;
+
+// these are all dynamic imports and can't be initialised until after the OpenGL context is created
+void(__cdecl* glActiveTexture)(GLenum texture);
+void(__cdecl* glGenTextures)(GLsizei n, GLuint* textures);
+void(__cdecl* glBindTexture)(GLenum target, GLuint texture);
+void(__cdecl* glTexStorage1D)(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width);
+//void(__cdecl* glTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const void* pixels);
+void(__cdecl* glTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const void* pixels);
+void(__cdecl* glTexParameteri)(GLenum target, GLenum pname, GLint param);
+//void(__cdecl* glDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void* indices);
+void(__cdecl* glBindBuffer)(GLenum target, GLuint buffer);
+void(__cdecl* glBindBufferARB)(GLenum target, GLuint buffer);
+void(__cdecl* glBufferData)(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
+void(__cdecl* glBufferDataARB)(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
+void(__cdecl* glFinish)();
+
+// just used for a nicer time getting addresses and hooking
+struct {
+	void* ptr;
+	const char* name;
+	bool dynamic;
+} glFuncs[] = {
+	//{&glDrawElements, "glDrawElements", false},
+	{&glActiveTexture, "glActiveTexture", true},
+	{&glGenTextures, "glGenTextures", true},
+	{&glBindTexture, "glBindTexture", true},
+	{&glTexStorage1D, "glTexStorage1D", true},
+	//{&glTexImage1D, "glTexImage1D", true},
+	{&glTexSubImage1D, "glTexSubImage1D", true},
+	{&glTexParameteri, "glTexParameteri", true},
+	//{&glDrawRangeElements, "glDrawRangeElements", true},
+	{&glBindBuffer, "glBindBuffer", true},
+	{&glBindBufferARB, "glBindBufferARB", true},
+	{&glBufferData, "glBufferData", true},
+	{&glBufferDataARB, "glBufferDataARB", true},
+	{&glFinish, "glFinish", true},
+};
+
+bool loadGlAddresses()
+{
+	bool ret = true;
+	for (auto fn : glFuncs)
+	{
+		if (fn.dynamic)
+		{
+			*(PROC*)(fn.ptr) = wglGetProcAddress(fn.name);
+			if (*(PROC*)(fn.ptr) == nullptr)
+			{
+				printf("[Novidia] Failed to load address of %s\n", fn.name);
+				ret = false;
+			}
+		}
+	}
+	return ret;
+}
+
+const char* getGlFuncName(void* func)
+{
+	const char* name = NULL;
+	for (auto fn : glFuncs)
+	{
+		if (func == *(PROC*)(fn.ptr))
+			name = fn.name;
+	}
+
+	return name;
+}
+
+bool hookGlFunc(PROC* target, void* hook)
+{
+	const char* name = getGlFuncName(*target);
+
+	if (name == nullptr)
+	{
+		printf("[Novidia] Invalid hook target at %p\n", *target);
+		return false;
+	}
+
+	DetourTransactionBegin();
+	DetourUpdateThread(GetCurrentThread());
+	printf("[Novidia] Hooking %s\n", name);
+	DetourAttach(&(PVOID&)*target, hook);
+	DetourTransactionCommit();
+
+	return true;
+}