X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglwrap.c;h=79d6404d2a34b21cf9cfeb3bfb045e6ecb7bda0b;hb=3c32a221de1435ae7af8d96182560e8b28f1a4c0;hp=59bf1fb12cedc3333a77abf1e1a044edf26edc22;hpb=be68706254c62406d4924fffa7f43d2b1c17f52e;p=gldbg.git

diff --git a/source/glwrap.c b/source/glwrap.c
index 59bf1fb..79d6404 100644
--- a/source/glwrap.c
+++ b/source/glwrap.c
@@ -10,7 +10,10 @@ Distributed under the GPL
 #include <string.h>
 #include <dlfcn.h>
 #include <sys/uio.h>
+#include <X11/Xlib.h>
 #include <GL/gl.h>
+#include <GL/glx.h>
+#include "arraysize.h"
 #include "functions.h"
 
 static inline void *glsym(const char *sym)
@@ -119,6 +122,15 @@ static inline void write_string(const unsigned char *s)
 	write_data(s, strlen(s)+1);
 }
 
+static inline void write_string_array(const unsigned char **sa, unsigned size)
+{
+	unsigned i;
+	size /= sizeof(const unsigned char *);
+	write_int(size);
+	for(i=0; i<size; ++i)
+		write_string(sa[i]);
+}
+
 static inline void begin_packet(int func)
 {
 	if(!buffer)
@@ -150,97 +162,44 @@ static inline void send_packet()
 	writev(fd, iovecs, cur_vec-iovecs);
 }
 
-static inline int typesize(GLenum type)
-{
-	switch(type)
-	{
-	case GL_BYTE: return sizeof(GLbyte);
-	case GL_SHORT: return sizeof(GLshort);
-	case GL_INT: return sizeof(GLint);
-	case GL_UNSIGNED_BYTE: return sizeof(GLubyte);
-	case GL_UNSIGNED_SHORT: return sizeof(GLushort);
-	case GL_UNSIGNED_INT: return sizeof(GLuint);
-	case GL_FLOAT: return sizeof(GLfloat);
-	case GL_DOUBLE: return sizeof(GLdouble);
-	// Short and byte packed types are broken
-	default: return 1;
-	}
-}
-
-static inline int formatsize(GLenum format)
-{
-	switch(format)
-	{
-	case GL_COLOR_INDEX: return 1;
-	case GL_STENCIL_INDEX: return 1;
-	case GL_DEPTH_COMPONENT: return 1;
-	case GL_RED: return 1;
-	case GL_GREEN: return 1;
-	case GL_BLUE: return 1;
-	case GL_ALPHA: return 1;
-	case GL_RGB: return 3;
-	case GL_RGBA: return 4;
-	case GL_BGR: return 3;
-	case GL_BGRA: return 4;
-	case GL_LUMINANCE: return 1;
-	case GL_LUMINANCE_ALPHA: return 2;
-	default: return 1;
-	}
-}
+GLenum cur_error = GL_NO_ERROR;
 
-static inline int paramsize(GLenum pname)
+static void check_error()
 {
-	switch(pname)
+	GLenum (*orig_glGetError)() = 0;
+	GLenum code;
+	if(!orig_glGetError)
+		orig_glGetError = glsym("glGetError");
+	code = orig_glGetError();
+	if(code!=GL_NO_ERROR)
 	{
-	// Lighting and material
-	case GL_AMBIENT: return 4;
-	case GL_DIFFUSE: return 4;
-	case GL_AMBIENT_AND_DIFFUSE: return 4;
-	case GL_SPECULAR: return 4;
-	case GL_EMISSION: return 4;
-	case GL_SHININESS: return 1;
-	case GL_COLOR_INDEXES: return 3;
-	case GL_POSITION: return 4;
-	case GL_SPOT_DIRECTION: return 3;
-	case GL_SPOT_EXPONENT: return 1;
-	case GL_SPOT_CUTOFF: return 1;
-	case GL_CONSTANT_ATTENUATION: return 1;
-	case GL_LINEAR_ATTENUATION: return 1;
-	case GL_QUADRATIC_ATTENUATION: return 1;
-	case GL_LIGHT_MODEL_AMBIENT: return 4;
-	case GL_LIGHT_MODEL_LOCAL_VIEWER: return 1;
-	case GL_LIGHT_MODEL_TWO_SIDE: return 1;
-	case GL_LIGHT_MODEL_COLOR_CONTROL: return 1;
-
-	// Texture
-	case GL_TEXTURE_WRAP_S: return 1;
-	case GL_TEXTURE_WRAP_T: return 1;
-	case GL_TEXTURE_WRAP_R: return 1;
-	case GL_TEXTURE_MIN_FILTER: return 1;
-	case GL_TEXTURE_MAG_FILTER: return 1;
-	case GL_TEXTURE_BORDER_COLOR: return 4;
-	case GL_TEXTURE_MIN_LOD: return 1;
-	case GL_TEXTURE_MAX_LOD: return 1;
-	case GL_TEXTURE_BASE_LEVEL: return 1;
-	case GL_TEXTURE_MAX_LEVEL: return 1;
-	case GL_TEXTURE_LOD_BIAS: return 1;
-	case GL_DEPTH_TEXTURE_MODE: return 1;
-	case GL_TEXTURE_COMPARE_MODE: return 1;
-	case GL_TEXTURE_COMPARE_FUNC: return 1;
-	case GL_GENERATE_MIPMAP: return 1;
-	default: return 1;
+		begin_packet(FUNC_GLDERROR);
+		write_int(code);
+		send_packet();
+		if(cur_error==GL_NO_ERROR)
+			cur_error = code;
 	}
 }
 
-static inline int mapsize(GLenum target)
+GLenum APIENTRY glGetError()
 {
-	return 1;
+	GLenum ret = cur_error;
+	cur_error = GL_NO_ERROR;
+	begin_packet(FUNC_GLGETERROR);
+	write_int(ret);
+	send_packet();
+	return ret;
 }
 
 void (*glXGetProcAddress(const GLubyte *procname))(void)
 {
 	void *handle = dlopen(NULL, RTLD_LAZY);
-	return dlsym(handle, (const char *)procname);
+	void (*ret)() = dlsym(handle, (const char *)procname);
+	begin_packet(FUNC_GLXGETPROCADDRESS);
+	write_pointer(ret);
+	write_string(procname);
+	send_packet();
+	return ret;
 }
 
 void (*glXGetProcAddressARB(const GLubyte *))(void) __attribute__((alias("glXGetProcAddress")));