add affine texture mapping and vertex jiggling, fix r_fullbright not using shader pipeline

source/console.c

@@ -1286,7 +1286,7 @@ void LOG_Init(quakeparms_t *parms)
 		return;
 
 	inittime = time(NULL);
-	strftime(session, sizeof(session), "%m/%" PRIi32 "/%Y %H:%M:%S", localtime(&inittime));
+	strftime(session, sizeof(session), "%m/%u/%Y %H:%M:%S", localtime(&inittime));
 	q_snprintf(logfilename, sizeof(logfilename), "%s/qconsole.log", parms->basedir);
 
 //	unlink (logfilename);

source/r_alias.c

@@ -80,6 +80,7 @@ static GLuint fullbrightTexLoc;
 static GLuint useFullbrightTexLoc;
 static GLuint useOverbrightLoc;
 static GLuint useAlphaTestLoc;
+static GLuint useRFullbrightLoc;
 
 #define pose1VertexAttrIndex 0
 #define pose1NormalAttrIndex 1
@@ -131,8 +132,8 @@ void GLAlias_CreateShaders(void)
 		{ "Pose2Normal", pose2NormalAttrIndex }
 	};
 
-	const GLchar *vertSource = \
+	const GLchar *vertSource =
-	                           "#version 110\n"
+	"#version 130\n"
 	"\n"
 	"uniform float Blend;\n"
 	"uniform vec3 ShadeVector;\n"
@@ -154,11 +155,14 @@ void GLAlias_CreateShaders(void)
 	"	else\n"
 	"		return 1.0 + dot;\n"
 	"}\n"
+	"\n"
 	"void main()\n"
 	"{\n"
 	"	gl_TexCoord[0] = TexCoords;\n"
 	"	vec4 lerpedVert = mix(vec4(Pose1Vert.xyz, 1.0), vec4(Pose2Vert.xyz, 1.0), Blend);\n"
 	"	gl_Position = gl_ModelViewProjectionMatrix * lerpedVert;\n"
+	"	gl_Position = vec4(floor(gl_Position.xyz * 10.0) / 10.0, gl_Position.w);"
+	"	gl_Position /= abs(gl_Position.w);\n"
 	"	FogFragCoord = gl_Position.w;\n"
 	"	float dot1 = r_avertexnormal_dot(Pose1Normal);\n"
 	"	float dot2 = r_avertexnormal_dot(Pose2Normal);\n"
@@ -166,31 +170,38 @@ void GLAlias_CreateShaders(void)
 	"}\n";
 
 	const GLchar *fragSource = \
-	                           "#version 110\n"
+	"#version 130\n"
 	"\n"
 	"uniform sampler2D Tex;\n"
 	"uniform sampler2D FullbrightTex;\n"
 	"uniform bool UseFullbrightTex;\n"
 	"uniform bool UseOverbright;\n"
 	"uniform bool UseAlphaTest;\n"
+	"uniform bool UseRFullbright;\n"
 	"\n"
 	"varying float FogFragCoord;\n"
 	"\n"
 	"void main()\n"
 	"{\n"
 	"	vec4 result = texture2D(Tex, gl_TexCoord[0].xy);\n"
-	                           "	if (UseAlphaTest && (result.a < 0.666))\n"
+	"	if(UseAlphaTest && result.a < 0.666)\n"
 	"		discard;\n"
+	"	if(!UseRFullbright)\n"
+	"	{\n"
 	"		result *= gl_Color;\n"
 	"		if(UseOverbright)\n"
 	"			result.rgb *= 2.0;\n"
+	"	}\n"
 	"	if(UseFullbrightTex)\n"
 	"		result += texture2D(FullbrightTex, gl_TexCoord[0].xy);\n"
 	"	result = clamp(result, 0.0, 1.0);\n"
+	"	if(!UseRFullbright)\n"
+	"	{\n"
 	"		float fog = exp(-gl_Fog.density * gl_Fog.density * FogFragCoord * FogFragCoord);\n"
 	"		fog = clamp(fog, 0.0, 1.0);\n"
 	"		result = mix(gl_Fog.color, result, fog);\n"
 	"		result.a = gl_Color.a;\n" // FIXME: This will make almost transparent things cut holes though heavy fog
+	"	}\n"
 	"	gl_FragColor = result;\n"
 	"}\n";
 
@@ -210,6 +221,7 @@ void GLAlias_CreateShaders(void)
 		useFullbrightTexLoc = GL_GetUniformLocation(&r_alias_program, "UseFullbrightTex");
 		useOverbrightLoc = GL_GetUniformLocation(&r_alias_program, "UseOverbright");
 		useAlphaTestLoc = GL_GetUniformLocation(&r_alias_program, "UseAlphaTest");
+		useRFullbrightLoc = GL_GetUniformLocation(&r_alias_program, "UseRFullbright");
 	}
 }
 
@@ -267,6 +279,7 @@ void GL_DrawAliasFrame_GLSL(aliashdr_t *paliashdr, lerpdata_t lerpdata, gltextur
 	GL_Uniform1iFunc(useFullbrightTexLoc, (fb != NULL) ? 1 : 0);
 	GL_Uniform1fFunc(useOverbrightLoc, overbright ? 1 : 0);
 	GL_Uniform1iFunc(useAlphaTestLoc, (currententity->model->flags & MF_HOLEY) ? 1 : 0);
+	GL_Uniform1iFunc(useRFullbrightLoc, r_fullbright_cheatsafe);
 
 // set textures
 	GL_SelectTexture(GL_TEXTURE0);
@@ -714,6 +727,8 @@ void R_DrawAliasModel(entity_t *e)
 	//
 	// draw it
 	//
+	// call fast path if possible. if the shader compliation failed for some reason,
+	// r_alias_program will be 0.
 	if(r_drawflat_cheatsafe)
 	{
 		glDisable(GL_TEXTURE_2D);
@@ -721,6 +736,10 @@ void R_DrawAliasModel(entity_t *e)
 		glEnable(GL_TEXTURE_2D);
 		srand((int32_t)(cl.time * 1000));  //restore randomness
 	}
+	else if(r_alias_program != 0)
+	{
+		GL_DrawAliasFrame_GLSL(paliashdr, lerpdata, tx, fb);
+	}
 	else if(r_fullbright_cheatsafe)
 	{
 		GL_Bind(tx);
@@ -751,12 +770,6 @@ void R_DrawAliasModel(entity_t *e)
 		GL_DrawAliasFrame(paliashdr, lerpdata);
 		glEnable(GL_TEXTURE_2D);
 	}
-// call fast path if possible. if the shader compliation failed for some reason,
-// r_alias_program will be 0.
-	else if(r_alias_program != 0)
-	{
-		GL_DrawAliasFrame_GLSL(paliashdr, lerpdata, tx, fb);
-	}
 	else if(overbright)
 	{
 		if(gl_texture_env_combine && gl_mtexable && gl_texture_env_add && fb)   //case 1: everything in one pass

source/r_world.c

@@ -815,7 +815,7 @@ void GLWorld_CreateShaders(void)
 	};
 
 	const GLchar *vertSource = \
-	                           "#version 110\n"
+	"#version 130\n"
 	"\n"
 	"attribute vec3 Vert;\n"
 	"attribute vec2 TexCoords;\n"
@@ -832,7 +832,7 @@ void GLWorld_CreateShaders(void)
 	"}\n";
 
 	const GLchar *fragSource = \
-	                           "#version 110\n"
+	"#version 130\n"
 	"\n"
 	"uniform sampler2D Tex;\n"
 	"uniform sampler2D LMTex;\n"

source/sdl/gl_vidsdl.c

@@ -415,7 +415,7 @@ This is passed to SDL_SetWindowDisplayMode to specify a pixel format
 with the requested bpp. If we didn't care about bpp we could just pass NULL.
 ================
 */
-static SDL_DisplayMode *VID_SDL2_GetDisplayMode(int32_t width, int32_t height, int32_t refreshrate, int32_t bpp)
+static SDL_DisplayMode *VID_SDL2_GetDisplayMode(int32_t width, int32_t height, int32_t refreshrate, uint32_t bpp)
 {
 	static SDL_DisplayMode mode;
 	const int32_t sdlmodes = SDL_GetNumDisplayModes(0);
@@ -426,9 +426,7 @@ static SDL_DisplayMode *VID_SDL2_GetDisplayMode(int32_t width, int32_t height, i
 		if(SDL_GetDisplayMode(0, i, &mode) != 0)
 			continue;
 
-		if(mode.w == width && mode.h == height
+		if(mode.w == width && mode.h == height && SDL_BITSPERPIXEL(mode.format) == bpp && mode.refresh_rate == refreshrate)
-		                && SDL_BITSPERPIXEL(mode.format) == bpp
-		                && mode.refresh_rate == refreshrate)
 		{
 			return &mode;
 		}

source/unix/sys_sdl_unix.c

@@ -230,7 +230,7 @@ static char const *Sys_GetUserDir(void)
 	char const *system_dir;
 
 	if((system_dir = getenv("XDG_DATA_HOME")))
-		q_snprintf(user_dir, sizeof(user_dir), "%s/%s/%s", home_dir, system_dir, app_name);
+		q_snprintf(user_dir, sizeof(user_dir), "%s/%s", system_dir, app_name);
 	else
 	{
 		if(!(home_dir = Sys_GetHomeDir()))