From a14cc82d46ea3c1b39e9bdb6ff752bce68bd8fd4 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Fri, 31 Oct 2025 15:58:05 +0500
Subject: [PATCH] engine: add buffer size argument to RefAPI's
 Mod_ProcessRenderData, bump RefAPI version

---
 engine/client/cl_game.c | 2 +-
 engine/common/model.c   | 4 ++--
 engine/ref_api.h        | 5 +++--
 ref/gl/gl_context.c     | 2 +-
 ref/null/r_context.c    | 2 +-
 ref/soft/r_context.c    | 2 +-
 6 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/engine/client/cl_game.c b/engine/client/cl_game.c
index 40d62c52..d5ea0b47 100644
--- a/engine/client/cl_game.c
+++ b/engine/client/cl_game.c
@@ -1282,7 +1282,7 @@ static qboolean CL_LoadHudSprite( const char *szSpriteName, model_t *m_pSprite,
 	else
 	{
 		Mod_LoadSpriteModel( m_pSprite, buf, size, &loaded );
-		ref.dllFuncs.Mod_ProcessRenderData( m_pSprite, true, buf );
+		ref.dllFuncs.Mod_ProcessRenderData( m_pSprite, true, buf, size );
 	}
 
 	Mem_Free( buf );
diff --git a/engine/common/model.c b/engine/common/model.c
index 05686f43..2afcb3bc 100644
--- a/engine/common/model.c
+++ b/engine/common/model.c
@@ -87,7 +87,7 @@ static void Mod_FreeUserData( model_t *mod )
 #if !XASH_DEDICATED
 	else
 	{
-		ref.dllFuncs.Mod_ProcessRenderData( mod, false, NULL );
+		ref.dllFuncs.Mod_ProcessRenderData( mod, false, NULL, 0 );
 	}
 #endif
 }
@@ -334,7 +334,7 @@ model_t *Mod_LoadModel( model_t *mod, qboolean crash )
 #if !XASH_DEDICATED
 		else
 		{
-			loaded2 = ref.dllFuncs.Mod_ProcessRenderData( mod, true, buf );
+			loaded2 = ref.dllFuncs.Mod_ProcessRenderData( mod, true, buf, length );
 		}
 #endif
 	}
diff --git a/engine/ref_api.h b/engine/ref_api.h
index e87397eb..ed119f69 100644
--- a/engine/ref_api.h
+++ b/engine/ref_api.h
@@ -58,7 +58,8 @@ GNU General Public License for more details.
 //    Removed R_DrawTileClear and Mod_LoadMapSprite, as they're implemented on engine side
 //    Removed FillRGBABlend. Now FillRGBA accepts rendermode parameter.
 // 10. Added R_GetWindowHandle to retrieve platform-specific window object.
-#define REF_API_VERSION 10
+// 11. Added size argument to Mod_ProcessRenderData
+#define REF_API_VERSION 11
 
 #define TF_SKY		(TF_SKYSIDE|TF_NOMIPMAP|TF_ALLOW_NEAREST)
 #define TF_FONT		(TF_NOMIPMAP|TF_CLAMP|TF_ALLOW_NEAREST)
@@ -565,7 +566,7 @@ typedef struct ref_interface_s
 
 	// model management
 	// flags ignored for everything except spritemodels
-	qboolean (*Mod_ProcessRenderData)( model_t *mod, qboolean create, const byte *buffer );
+	qboolean (*Mod_ProcessRenderData)( model_t *mod, qboolean create, const byte *buffer, size_t buffersize );
 	void (*Mod_StudioLoadTextures)( model_t *mod, void *data );
 
 	// efx implementation
diff --git a/ref/gl/gl_context.c b/ref/gl/gl_context.c
index 53bf1235..be380035 100644
--- a/ref/gl/gl_context.c
+++ b/ref/gl/gl_context.c
@@ -140,7 +140,7 @@ static void Mod_UnloadTextures( model_t *mod )
 	}
 }
 
-static qboolean Mod_ProcessRenderData( model_t *mod, qboolean create, const byte *buf )
+static qboolean Mod_ProcessRenderData( model_t *mod, qboolean create, const byte *buf, size_t buffersize )
 {
 	qboolean loaded = false;
 
diff --git a/ref/null/r_context.c b/ref/null/r_context.c
index c7ad177f..9d87e9fc 100644
--- a/ref/null/r_context.c
+++ b/ref/null/r_context.c
@@ -194,7 +194,7 @@ static int R_GetSpriteTexture( const model_t *m_pSpriteModel, int frame )
 	return 0;
 }
 
-static qboolean Mod_ProcessRenderData( model_t *mod, qboolean create, const byte *buffer )
+static qboolean Mod_ProcessRenderData( model_t *mod, qboolean create, const byte *buffer, size_t buffersize )
 {
 	return true;
 }
diff --git a/ref/soft/r_context.c b/ref/soft/r_context.c
index 00e02d28..c81373bf 100644
--- a/ref/soft/r_context.c
+++ b/ref/soft/r_context.c
@@ -64,7 +64,7 @@ static void GAME_EXPORT CL_FillRGBA( int rendermode, float _x, float _y, float _
 
 void Mod_UnloadTextures( model_t *mod );
 
-static qboolean GAME_EXPORT Mod_ProcessRenderData( model_t *mod, qboolean create, const byte *buf )
+static qboolean GAME_EXPORT Mod_ProcessRenderData( model_t *mod, qboolean create, const byte *buf, size_t buffersize )
 {
 	qboolean loaded = false;