Allow plugins to provide material interpreters.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@6105 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/client/quakedef.h

@@ -364,7 +364,7 @@ extern cvar_t worker_flush;
 qboolean COM_DoWork(int thread, qboolean leavelocked);
 #define COM_MainThreadWork() while (COM_DoWork(0, false) && worker_flush.ival) /*called each frame to do any gl uploads or whatever*/
 #define COM_MainThreadFlush() while (COM_DoWork(0, false))	/*make sure the main thread has done ALL work pending*/
-typedef enum
+typedef enum wgroup_e
 {
 	WG_MAIN		= 0,
 	WG_LOADER	= 1,

engine/common/plugin.c

@@ -408,6 +408,8 @@ static qboolean QDECL PlugBI_ExportInterface(const char *name, void *interfacept
 		return R_RegisterVRDriver(currentplug, interfaceptr);
 	if (!strcmp(name, plugimageloaderfuncs_name))
 		return Image_RegisterLoader(currentplug, interfaceptr);
+	if (!strcmp(name, plugmaterialloaderfuncs_name))
+		return Material_RegisterLoader(currentplug, interfaceptr);
 #endif
 #ifdef PACKAGEMANAGER
 	if (!strcmp(name, plugupdatesourcefuncs_name))
@@ -1536,6 +1538,7 @@ void Plug_Close(plugin_t *plug)
 #ifdef HAVE_CLIENT
 	S_UnregisterSoundInputModule(plug);
 	Image_RegisterLoader(plug, NULL);
+	Material_RegisterLoader(plug, NULL);
 #endif
 	NET_RegisterCrypto(plug, NULL);
 #ifdef PACKAGEMANAGER
@@ -1869,6 +1872,8 @@ static void *QDECL PlugBI_GetEngineInterface(const char *interfacename, size_t s
 			COM_EnumerateFiles,
 
 			wildcmp,
+			COM_GetFileExtension,
+			COM_FileBase,
 			COM_CleanUpPath,
 			Com_BlockChecksum,
 			FS_LoadMallocFile,
@@ -2044,7 +2049,10 @@ static void *QDECL PlugBI_GetEngineInterface(const char *interfacename, size_t s
 			Sys_CreateMutex,
 			Sys_LockMutex,
 			Sys_UnlockMutex,
-			Sys_DestroyMutex
+			Sys_DestroyMutex,
+
+			COM_AddWork,
+			COM_WorkerPartialSync,
 		};
 
 		if (structsize == sizeof(funcs))

engine/common/sys.h

@@ -149,12 +149,16 @@ qboolean Sys_ConditionSignal(void *condv);		//lock first
 qboolean Sys_ConditionBroadcast(void *condv);	//lock first
 void Sys_DestroyConditional(void *condv);
 
+enum wgroup_e;
 typedef struct
 {
 	void *(QDECL *CreateMutex)(void);
 	qboolean (QDECL *LockMutex)(void *mutex);
 	qboolean (QDECL *UnlockMutex)(void *mutex);
 	void (QDECL *DestroyMutex)(void *mutex);
+
+	void (*AddWork)(enum wgroup_e thread, void(*func)(void *ctx, void *data, size_t a, size_t b), void *ctx, void *data, size_t a, size_t b);	//low priority
+	void (*WaitForCompletion)(void *priorityctx, int *address, int sleepwhilevalue);
 #define plugthreadfuncs_name "Threading"
 } plugthreadfuncs_t;
 

engine/gl/gl_shader.c

@@ -297,6 +297,43 @@ static qboolean Shader_LocateSource(const char *name, const char **buf, size_t *
 static void Shader_ReadShader(parsestate_t *ps, const char *shadersource, shadercachefile_t *sourcefile);
 static qboolean Shader_ParseShader(parsestate_t *ps, const char *parsename);
 
+
+static struct
+{
+	void *module;
+	plugmaterialloaderfuncs_t *funcs;
+} *materialloader;
+static size_t		materialloader_count;
+qboolean Material_RegisterLoader(void *module, plugmaterialloaderfuncs_t *driver)
+{
+	int i;
+	if (!driver)
+	{
+		for (i = 0; i < materialloader_count; )
+		{
+			if (materialloader[i].module == module)
+			{
+				memmove(&materialloader[i], &materialloader[i+1], materialloader_count-(i+1));
+				materialloader_count--;
+			}
+			else
+				i++;
+		}
+		return true;
+	}
+	else
+	{
+		void *n = BZ_Malloc(sizeof(*materialloader)*(materialloader_count+1));
+		memcpy(n, materialloader, sizeof(*materialloader)*materialloader_count);
+		Z_Free(materialloader);
+		materialloader = n;
+		materialloader[materialloader_count].module = module;
+		materialloader[materialloader_count].funcs = driver;
+		materialloader_count++;
+		return true;
+	}
+}
+
 //===========================================================================
 
 static qboolean Shader_EvaluateCondition(shader_t *shader, const char **ptr)
@@ -2048,13 +2085,7 @@ typedef struct sgeneric_s
 	qboolean failed;
 } sgeneric_t;
 static sgeneric_t *sgenerics;
-struct sbuiltin_s
-{
-	int qrtype;
-	int apiver;
-	char name[MAX_QPATH];
-	char *body;
-} sbuiltins[] =
+static struct sbuiltin_s sbuiltins[] =
 {
 #include "r_bishaders.h"
 	{QR_NONE}
@@ -2155,23 +2186,35 @@ static void Shader_LoadGeneric(sgeneric_t *g, int qrtype)
 	else
 	{
 		int ver;
-		for (i = 0; *sbuiltins[i].name; i++)
+		const struct sbuiltin_s *progs;
+		unsigned int l;
+		for (l = 0; l <= materialloader_count; l++)
 		{
-			if (sbuiltins[i].qrtype == qrtype && !strcmp(sbuiltins[i].name, basicname))
-			{
-				ver = sbuiltins[i].apiver;
+			if (l == materialloader_count)
+				progs = sbuiltins;
+			else if (materialloader[l].funcs && materialloader[l].funcs->builtinshaders)
+				progs = materialloader[l].funcs->builtinshaders;
+			else
+				continue;
 
-				if (ver < sh_config.minver || ver > sh_config.maxver)
-					if (!(qrenderer==QR_OPENGL&&ver==110))
+			for (i = 0; *progs[i].name; i++)
+			{
+				if (progs[i].qrtype == qrtype && !strcmp(progs[i].name, basicname))
+				{
+					ver = progs[i].apiver;
+
+					if (ver < sh_config.minver || ver > sh_config.maxver)
+						if (!(qrenderer==QR_OPENGL&&ver==110))
+							continue;
+
+					TRACE(("Loading Embedded %s\n", g->name));
+					g->failed = !Shader_LoadPermutations(g->name, &g->prog, progs[i].body, qrtype, ver, blobname);
+
+					if (g->failed)
 						continue;
 
-				TRACE(("Loading Embedded %s\n", g->name));
-				g->failed = !Shader_LoadPermutations(g->name, &g->prog, sbuiltins[i].body, qrtype, ver, blobname);
-
-				if (g->failed)
-					continue;
-
-				return;
+					return;
+				}
 			}
 		}
 		TRACE(("Program unloadable %s\n", g->name));
@@ -2489,6 +2532,17 @@ static void Shader_HLSL11ProgramName (parsestate_t *ps, const char **ptr)
 	Shader_SLProgramName(shader,pass,ptr,QR_DIRECT3D11);
 }
 
+static void Shaderpass_BlendFunc (parsestate_t *ps, const char **ptr);
+static void Shader_ProgBlendFunc (parsestate_t *ps, const char **ptr)
+{
+	if (ps->s->prog)
+	{
+		ps->pass = ps->s->passes;
+		Shaderpass_BlendFunc(ps, ptr);
+		ps->pass = NULL;
+	}
+}
+
 static void Shader_ReflectCube(parsestate_t *ps, const char **ptr)
 {
 	char *token = Shader_ParseSensString(ptr);
@@ -2847,7 +2901,7 @@ static shaderkey_t shaderkeys[] =
 	{"glslprogram",			Shader_GLSLProgramName,		"fte"},	//for renderers that accept embedded glsl
 	{"hlslprogram",			Shader_HLSL9ProgramName,	"fte"},	//for d3d with embedded hlsl
 	{"hlsl11program",		Shader_HLSL11ProgramName,	"fte"},	//for d3d with embedded hlsl
-//	{"progblendfunc",		Shader_ProgBlendFunc,		"fte"},	//specifies the blend mode (actually just overrides the first subpasses' blendmode.
+	{"progblendfunc",		Shader_ProgBlendFunc,		"fte"},	//specifies the blend mode (actually just overrides the first subpasses' blendmode.
 //	{"progmap",				Shader_ProgMap,				"fte"},	//avoids needing extra subpasses (actually just inserts an extra pass).
 
 	//dp compat
@@ -4353,8 +4407,9 @@ static const char *Shader_Skip(const char *file, const char *shadername, const c
 	return ptr;
 }
 
-static void Shader_Reset(shader_t *s)
+static void Shader_Reset(parsestate_t *ps)
 {
+	shader_t *s = ps->s;
 	extern cvar_t r_refractreflect_scale;
 	char name[MAX_QPATH];
 	int id = s->id;
@@ -4393,7 +4448,7 @@ static void Shader_Reset(shader_t *s)
 
 static void Shader_Regenerate(parsestate_t *ps, const char *shortname)
 {
-	Shader_Reset(ps->s);
+	Shader_Reset(ps);
 
 	if (!strcmp(shortname, "textures/common/clip") || !strcmp(shortname, "textures/common/nodraw") || !strcmp(shortname, "common/nodraw"))
 		Shader_DefaultScript(ps, shortname,
@@ -7279,6 +7334,12 @@ static void Shader_ReadShader(parsestate_t *ps, const char *shadersource, shader
 	}
 }
 
+static void Shader_LoadMaterialString(parsestate_t *ps, const char *shadertext)
+{	//callback for our external material loaders.
+	Shader_Reset(ps);
+	Shader_ReadShader(ps, shadertext, NULL);
+}
+
 static qboolean Shader_ParseShader(parsestate_t *ps, const char *parsename)
 {
 	size_t offset = 0, length;
@@ -7294,8 +7355,15 @@ static qboolean Shader_ParseShader(parsestate_t *ps, const char *parsename)
 		if (!strcmp(token, ".mat") || !*token)
 		{
 			char shaderfile[MAX_QPATH];
+			size_t i;
 			if (!*token)
 			{
+				for (i = 0; i < materialloader_count; i++)
+				{
+					if (materialloader[i].funcs->ReadMaterial(ps, parsename, Shader_LoadMaterialString))
+						return true;
+				}
+
 				Q_snprintfz(shaderfile, sizeof(shaderfile), "%s.mat", parsename);
 				file = COM_LoadTempMoreFile(shaderfile, &length);
 			}
@@ -7303,7 +7371,7 @@ static qboolean Shader_ParseShader(parsestate_t *ps, const char *parsename)
 				file = COM_LoadTempMoreFile(parsename, &length);
 			if (file)
 			{
-				Shader_Reset(ps->s);
+				Shader_Reset(ps);
 				token = COM_ParseExt (&file, true, false);	//we need to skip over the leading {.
 				if (*token != '{')
 					token = COM_ParseExt (&file, true, false);	//try again, in case we found some legacy name.
@@ -7331,7 +7399,7 @@ static qboolean Shader_ParseShader(parsestate_t *ps, const char *parsename)
 				return false;
 			}
 
-			Shader_Reset(ps->s);
+			Shader_Reset(ps);
 
 			Shader_ReadShader(ps, file, sourcefile);
 

engine/gl/shader.h

@@ -710,6 +710,24 @@ struct shader_s
 */
 };
 
+struct shaderparsestate_s;
+struct sbuiltin_s
+{
+	int qrtype;
+	int apiver;
+	char name[MAX_QPATH];
+	char *body;
+};
+typedef struct
+{
+	const char *loadername;
+	qboolean (*ReadMaterial)(struct shaderparsestate_s *ps, const char *filename, void (*LoadMaterialString)(struct shaderparsestate_s *ps, const char *script));
+
+	struct sbuiltin_s *builtinshaders;
+#define plugmaterialloaderfuncs_name "MaterialLoader"
+} plugmaterialloaderfuncs_t;
+qboolean Material_RegisterLoader(void *module, plugmaterialloaderfuncs_t *loader);
+
 extern unsigned int r_numshaders;
 extern unsigned int r_maxshaders;
 extern shader_t	**r_shaders;

engine/shaders/generatebuiltinsl.c

@@ -109,7 +109,7 @@ void dumpprogblob(FILE *out, FILE *src)
 	fprintf(out, "\"");
 }
 
-struct shadertype_s
+static struct shadertype_s
 {
 	char *abrv;
 	char *filepattern;
@@ -126,12 +126,48 @@ struct shadertype_s
 };
 //tbh we should precompile the d3d shaders.
 
-int main(void)
+static void dumpprogram(FILE *c, const char *progname)
+{
+	FILE *s;
+	char line[1024];
+	int a;
+	printf("%25s: ", progname);
+	for (a = 0; a < sizeof(shadertype)/sizeof(shadertype[0]); a++)
+	{
+		sprintf(line, shadertype[a].filepattern, progname);
+		if (shadertype[a].apiversion == -1)
+			s = fopen(line, "rb");
+		else
+			s = fopen(line, "rt");
+		if (!s)
+		{
+			printf("%4s", "");
+			continue;
+		}
+		fprintf(c, "#ifdef %s\n", shadertype[a].preprocessor);
+		fprintf(c, "{%s, %i, \"%s\",\n", shadertype[a].rendererapi, shadertype[a].apiversion, progname);
+		if (shadertype[a].apiversion == -1)
+			dumpprogblob(c,s);
+		else
+			dumpprogstring(c, s);
+		fputs("},\n", c);
+		fprintf(c, "#endif\n");
+		fclose(s);
+		fflush(c);
+
+		printf("%4s", shadertype[a].abrv);
+	}
+	printf("\n");
+}
+
+int main(int argc, const char **argv)
 {
 	FILE *c, *s;
-	char line[1024];
 	int i, j, a;
-	c = fopen("../gl/r_bishaders.h", "wt");
+
+	const char *outname = ((argc>1)?argv[1]:"../gl/r_bishaders.h");
+
+	c = fopen(outname, "wt");
 
 	if (!c)
 	{
@@ -141,35 +177,15 @@ int main(void)
 
 	fprintf(c, "/*\nWARNING: THIS FILE IS GENERATED BY '"__FILE__"'.\nYOU SHOULD NOT EDIT THIS FILE BY HAND\n*/\n\n");
 
-	for (i = 0; *shaders[i]; i++)
-	{
-		printf("%25s: ", shaders[i]);
-		for (a = 0; a < sizeof(shadertype)/sizeof(shadertype[0]); a++)
-		{
-			sprintf(line, shadertype[a].filepattern, shaders[i]);
-			if (shadertype[a].apiversion == -1)
-				s = fopen(line, "rb");
-			else
-				s = fopen(line, "rt");
-			if (!s)
-			{
-				printf("%4s", "");
-				continue;
-			}
-			fprintf(c, "#ifdef %s\n", shadertype[a].preprocessor);
-			fprintf(c, "{%s, %i, \"%s\",\n", shadertype[a].rendererapi, shadertype[a].apiversion, shaders[i]);
-			if (shadertype[a].apiversion == -1)
-				dumpprogblob(c,s);
-			else
-				dumpprogstring(c, s);
-			fputs("},\n", c);
-			fprintf(c, "#endif\n");
-			fclose(s);
-			fflush(c);
-
-			printf("%4s", shadertype[a].abrv);
-		}
-		printf("\n");
+	if (argc>2)
+	{	//if we're passed a file list on the commandline then just use that (generally for plugins).
+		for (i = 2; i < argc; i++)
+			dumpprogram(c, argv[i]);
+	}
+	else
+	{	//use our built in list.
+		for (i = 0; *shaders[i]; i++)
+			dumpprogram(c, shaders[i]);
 	}
 
 	fclose(c);

plugins/plugin.h

@@ -349,6 +349,8 @@ typedef struct	//for plugins that need to read/write files...
 
 	//helpers
 	F(int,		WildCmp,		(const char *wild, const char *string));
+	F(const char *,GetExtension,(const char *filename, const char *ignoreext));
+	F(void,		FileBase,		(const char *in, char *out, int outlen));
 	F(void,		CleanUpPath,	(char *str));
 	F(unsigned int,BlockChecksum,(const void *buffer, int length));	//mostly for pack hashes.
 	F(qbyte*,	LoadFile,		(const char *fname, size_t *fsize));	//plugfuncs->Free