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Novidia: fix running without GLIntercept

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This commit is contained in:
somewhatlurker
2020-07-24 21:41:06 +10:00
parent 0bb614ce53
commit 93e7a34ab8
3 changed files with 19 additions and 26 deletions
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source-code/source/plugins/Novidia/src/glStuff.h
+17 -20
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@@ -4,6 +4,10 @@
#include <iostream>
#include <detours.h>
HMODULE ogl32 = GetModuleHandle(L"opengl32.dll");
PROC(*wGlGetProcAddress_forhook)(LPCSTR) = (PROC(*)(LPCSTR))(GetProcAddress(ogl32, "wglGetProcAddress"));
// 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;
@@ -16,12 +20,14 @@ typedef char GLchar;
#define GL_FALSE 0
#define GL_NO_ERROR 0
#define GL_TEXTURE_1D 0x0de0
#define GL_TEXTURE_2D 0x0de1
#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_TEXTURE_WRAP_T 0x2803
#define GL_CLAMP_TO_BORDER 0x812d
#define GL_CLAMP_TO_EDGE 0x812f
#define GL_TEXTURE0 0x84c0
@@ -45,24 +51,18 @@ typedef char GLchar;
//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;
void(__cdecl* glGenTextures)(GLsizei n, GLuint* textures) = *(void(__cdecl**)(GLsizei, GLuint*))0x140965ad8;
void(__cdecl* glBindTexture)(GLenum target, GLuint texture) = *(void(__cdecl**)(GLenum, GLuint))0x140965bf8;
void(__cdecl* glTexParameteri)(GLenum target, GLenum pname, GLint param) = *(void(__cdecl**)(GLenum, GLenum, GLint))0x140965a18;
void(__cdecl* glTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const void* pixels) = (void(__cdecl*)(GLenum, GLint, GLint, GLsizei, GLenum, GLenum, const void*))GetProcAddress(ogl32, "glTexSubImage1D");
// these are all dynamic imports and can't be initialised until after the OpenGL context is created
// these are all imported using wglGetProcAddress 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 {
@@ -70,20 +70,16 @@ struct {
const char* name;
bool dynamic;
} glFuncs[] = {
//{&glDrawElements, "glDrawElements", false},
{&glGenTextures, "glGenTextures", false},
{&glBindTexture, "glBindTexture", false},
{&glTexParameteri, "glTexParameteri", false},
{&glTexSubImage1D, "glTexSubImage1D", 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()
@@ -93,11 +89,12 @@ bool loadGlAddresses()
{
if (fn.dynamic)
{
*(PROC*)(fn.ptr) = wglGetProcAddress(fn.name);
*(PROC*)(fn.ptr) = wGlGetProcAddress_forhook(fn.name);
if (*(PROC*)(fn.ptr) == nullptr)
{
printf("[Novidia] Failed to load address of %s\n", fn.name);
ret = false;
MessageBoxA(NULL, fn.name, NULL, NULL);
}
}
}