1 files changed, 132 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/state_tracker/state_hint.c b/src/VBox/GuestHost/OpenGL/state_tracker/state_hint.c
new file mode 100644
index 00000000..a3989258
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/state_tracker/state_hint.c
@@ -0,0 +1,132 @@
+/* Copyright (c) 2001, Stanford University
+ * All rights reserved
+ *
+ * See the file LICENSE.txt for information on redistributing this software.
+ */
+
+#include <stdio.h>
+#include "state.h"
+#include "state/cr_statetypes.h"
+#include "state_internals.h"
+
+void crStateHintInit (CRContext *ctx) 
+{
+	CRHintState *h = &ctx->hint;
+	CRStateBits *sb = GetCurrentBits();
+	CRHintBits *hb = &(sb->hint);
+
+	h->perspectiveCorrection = GL_DONT_CARE;
+	RESET(hb->perspectiveCorrection, ctx->bitid);
+	h->pointSmooth = GL_DONT_CARE;
+	RESET(hb->pointSmooth, ctx->bitid);
+	h->lineSmooth = GL_DONT_CARE;
+	RESET(hb->lineSmooth, ctx->bitid);
+	h->polygonSmooth = GL_DONT_CARE;
+	RESET(hb->polygonSmooth, ctx->bitid);
+	h->fog = GL_DONT_CARE;
+	RESET(hb->fog, ctx->bitid);
+#ifdef CR_EXT_clip_volume_hint
+	h->clipVolumeClipping = GL_DONT_CARE;
+	RESET(hb->clipVolumeClipping, ctx->bitid);
+#endif
+#ifdef CR_ARB_texture_compression
+	h->textureCompression = GL_DONT_CARE;
+	RESET(hb->textureCompression, ctx->bitid);
+#endif
+#ifdef CR_SGIS_generate_mipmap
+	h->generateMipmap = GL_DONT_CARE;
+	RESET(hb->generateMipmap, ctx->bitid);
+#endif
+	RESET(hb->dirty, ctx->bitid);
+}
+
+void STATE_APIENTRY crStateHint(GLenum target, GLenum mode) 
+{
+	CRContext *g = GetCurrentContext();
+	CRHintState *h = &(g->hint);
+	CRStateBits *sb = GetCurrentBits();
+	CRHintBits *hb = &(sb->hint);
+
+	if (g->current.inBeginEnd)
+	{
+		crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
+					 "glHint called in Begin/End");
+		return;
+	}
+
+	FLUSH();
+
+	if (mode != GL_FASTEST && mode != GL_NICEST && mode != GL_DONT_CARE) {
+		crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+					 "glHint(mode)");
+		return;
+	}
+
+	switch (target) {
+	case GL_PERSPECTIVE_CORRECTION_HINT:
+		h->perspectiveCorrection = mode;
+		DIRTY(hb->perspectiveCorrection, g->neg_bitid);
+		break;
+	case GL_FOG_HINT:
+		h->fog = mode;
+		DIRTY(hb->fog, g->neg_bitid);
+		break;
+	case GL_LINE_SMOOTH_HINT:
+		h->lineSmooth = mode;
+		DIRTY(hb->lineSmooth, g->neg_bitid);
+		break;
+	case GL_POINT_SMOOTH_HINT:
+		h->pointSmooth = mode;
+		DIRTY(hb->pointSmooth, g->neg_bitid);
+		break;
+	case GL_POLYGON_SMOOTH_HINT:
+		h->polygonSmooth = mode;
+		DIRTY(hb->polygonSmooth, g->neg_bitid);
+		break;
+#ifdef CR_EXT_clip_volume_hint
+	case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
+		if (g->extensions.EXT_clip_volume_hint) {
+			h->clipVolumeClipping = mode;
+			DIRTY(hb->clipVolumeClipping, g->neg_bitid);
+		}
+		else {
+			crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+						 "glHint(target)");
+			return;
+		}
+		break;
+#endif
+#ifdef CR_ARB_texture_compression
+	case GL_TEXTURE_COMPRESSION_HINT_ARB:
+		if (g->extensions.ARB_texture_compression) {
+			h->textureCompression = mode;
+			DIRTY(hb->textureCompression, g->neg_bitid);
+		}
+		else {
+			crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+						 "glHint(target)");
+			return;
+		}
+		break;
+#endif
+#ifdef CR_SGIS_generate_mipmap
+	case GL_GENERATE_MIPMAP_HINT_SGIS:
+		if (g->extensions.SGIS_generate_mipmap) {
+			h->generateMipmap = mode;
+			DIRTY(hb->generateMipmap, g->neg_bitid);
+		}
+		else {
+			crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+						 "glHint(target)");
+			return;
+		}
+		break;
+#endif
+	default:
+		crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+					 "glHint(target)");
+		return;
+	}
+
+	DIRTY(hb->dirty, g->neg_bitid);
+}