new: added fx_setparam

bind/v4k.lua

@@ -1486,6 +1486,7 @@ typedef struct lightmap_t {
  void fx_enable_all(int enabled);
  char * fx_name(int pass);
  int fx_find(const char *name);
+ void fx_setparam(int pass, const char *name, float value);
  void fx_order(int pass, unsigned priority);
  unsigned fx_program(int pass);
  int ui_fx(int pass);

engine/joint/v4k.h

@@ -17776,6 +17776,7 @@ API int      fx_enabled(int pass);
 API void     fx_enable_all(int enabled);
 API char *   fx_name(int pass);
 API int      fx_find(const char *name);
+API void     fx_setparam(int pass, const char *name, float value);
 API void     fx_order(int pass, unsigned priority);
 API unsigned fx_program(int pass);
 
@@ -385435,6 +385436,13 @@ void fx_order(int pass, unsigned priority) {
 unsigned fx_program(int pass) {
     return postfx_program(&fx, pass);
 }
+void fx_setparam(int pass, const char *name, float value) {
+    unsigned program = fx_program(pass);
+    if( !program ) return;
+    unsigned oldprogram = shader_bind(program);
+    shader_float(name, value);
+    shader_bind(oldprogram);
+}
 int ui_fx(int pass) {
     return ui_postfx(&fx, pass);
 }

engine/split/v4k_render.c

@@ -2794,6 +2794,13 @@ void fx_order(int pass, unsigned priority) {
 unsigned fx_program(int pass) {
     return postfx_program(&fx, pass);
 }
+void fx_setparam(int pass, const char *name, float value) {
+    unsigned program = fx_program(pass);
+    if( !program ) return;
+    unsigned oldprogram = shader_bind(program);
+    shader_float(name, value);
+    shader_bind(oldprogram);
+}
 int ui_fx(int pass) {
     return ui_postfx(&fx, pass);
 }

engine/split/v4k_render.h

@@ -754,6 +754,7 @@ API int      fx_enabled(int pass);
 API void     fx_enable_all(int enabled);
 API char *   fx_name(int pass);
 API int      fx_find(const char *name);
+API void     fx_setparam(int pass, const char *name, float value);
 API void     fx_order(int pass, unsigned priority);
 API unsigned fx_program(int pass);
 

engine/v4k.c

@@ -19967,6 +19967,13 @@ void fx_order(int pass, unsigned priority) {
 unsigned fx_program(int pass) {
     return postfx_program(&fx, pass);
 }
+void fx_setparam(int pass, const char *name, float value) {
+    unsigned program = fx_program(pass);
+    if( !program ) return;
+    unsigned oldprogram = shader_bind(program);
+    shader_float(name, value);
+    shader_bind(oldprogram);
+}
 int ui_fx(int pass) {
     return ui_postfx(&fx, pass);
 }

engine/v4k.h

@@ -3843,6 +3843,7 @@ API int      fx_enabled(int pass);
 API void     fx_enable_all(int enabled);
 API char *   fx_name(int pass);
 API int      fx_find(const char *name);
+API void     fx_setparam(int pass, const char *name, float value);
 API void     fx_order(int pass, unsigned priority);
 API unsigned fx_program(int pass);