diff --git a/lib/ivis_opengl/pieblitfunc.h b/lib/ivis_opengl/pieblitfunc.h
@@ -35,6 +35,8 @@
 #include "lib/framework/string_ext.h"
 #include "piedef.h"
 #include "piepalette.h"
+#include <glm/gtx/transform.hpp>
+#include "pieclip.h"
 
 /***************************************************************************/
 /*
@@ -85,7 +87,7 @@ class GFX
 	void buffers(int vertices, const GLvoid *vertBuf, const GLvoid *texBuf);
 
 	/// Draw everything
-	void draw();
+	void draw(const glm::mat4 &modelViewProjectionMatrix);
 
 private:
 	GFXTYPE mType;
@@ -104,6 +106,13 @@ class GFX
  *	Global ProtoTypes
  */
 /***************************************************************************/
+static inline glm::mat4 defaultProjectionMatrix()
+{
+	float w = pie_GetVideoBufferWidth();
+	float h = pie_GetVideoBufferHeight();
+
+	return glm::ortho(0.f, static_cast<float>(w), static_cast<float>(h), 0.f);
+}
 void iV_ShadowBox(int x0, int y0, int x1, int y1, int pad, PIELIGHT first, PIELIGHT second, PIELIGHT fill);
 extern void iV_Line(int x0, int y0, int x1, int y1, PIELIGHT colour);
 extern void iV_Box2(int x0, int y0, int x1, int y1, PIELIGHT first, PIELIGHT second);
@@ -112,12 +121,12 @@ static inline void iV_Box(int x0, int y0, int x1, int y1, PIELIGHT first)
 	iV_Box2(x0, y0, x1, y1, first, first);
 }
 extern void pie_BoxFill(int x0, int y0, int x1, int y1, PIELIGHT colour, REND_MODE rendermode = REND_OPAQUE);
-extern void iV_DrawImage(GLuint TextureID, Vector2i position, Vector2i size, REND_MODE mode, PIELIGHT colour);
-extern void iV_DrawImage(IMAGEFILE *ImageFile, UWORD ID, int x, int y);
+extern void iV_DrawImage(GLuint TextureID, Vector2i position, Vector2i offset, Vector2i size, float angle, REND_MODE mode, PIELIGHT colour);
+extern void iV_DrawImage(IMAGEFILE *ImageFile, UWORD ID, int x, int y, const glm::mat4 &modelViewProjection = defaultProjectionMatrix());
 void iV_DrawImage2(const QString &filename, float x, float y, float width = -0.0f, float height = -0.0f);
-void iV_DrawImageTc(Image image, Image imageTc, int x, int y, PIELIGHT colour);
-void iV_DrawImageRepeatX(IMAGEFILE *ImageFile, UWORD ID, int x, int y, int Width);
-void iV_DrawImageRepeatY(IMAGEFILE *ImageFile, UWORD ID, int x, int y, int Height);
+void iV_DrawImageTc(Image image, Image imageTc, int x, int y, PIELIGHT colour, const glm::mat4 &modelViewProjection = defaultProjectionMatrix());
+void iV_DrawImageRepeatX(IMAGEFILE *ImageFile, UWORD ID, int x, int y, int Width, const glm::mat4 &modelViewProjection = defaultProjectionMatrix());
+void iV_DrawImageRepeatY(IMAGEFILE *ImageFile, UWORD ID, int x, int y, int Height, const glm::mat4 &modelViewProjection = defaultProjectionMatrix());
 
 static inline void iV_DrawImage(Image image, int x, int y)
 {
@@ -134,7 +143,7 @@ extern void pie_UniTransBoxFill(float x0, float y0, float x1, float y1, PIELIGHT
 bool pie_InitRadar();
 bool pie_ShutdownRadar();
 void pie_DownLoadRadar(UDWORD *buffer);
-void pie_RenderRadar();
+void pie_RenderRadar(const glm::mat4 &modelViewProjectionMatrix);
 void pie_SetRadar(GLfloat x, GLfloat y, GLfloat width, GLfloat height, int twidth, int theight, bool filter);
 
 enum SCREENTYPE

diff --git a/lib/ivis_opengl/piefunc.cpp b/lib/ivis_opengl/piefunc.cpp
@@ -78,11 +78,11 @@ void pie_SetViewingWindow(Vector3i *v, PIELIGHT colour)
 	radarViewGfx[1]->buffers(VW_VERTICES, vert, cols);
 }
 
-void pie_DrawViewingWindow()
+void pie_DrawViewingWindow(const glm::mat4 &modelViewProjectionMatrix)
 {
 	pie_SetRendMode(REND_ALPHA);
-	radarViewGfx[0]->draw();
-	radarViewGfx[1]->draw();
+	radarViewGfx[0]->draw(modelViewProjectionMatrix);
+	radarViewGfx[1]->draw(modelViewProjectionMatrix);
 }
 
 void pie_TransColouredTriangle(Vector3f *vrt, PIELIGHT c)
@@ -198,8 +198,10 @@ void pie_DrawSkybox(float scale)
 
 	// Apply scale matrix
 	glScalef(scale, scale / 2.0f, scale);
-
-	skyboxGfx->draw();
+	GLfloat p[16], vm[16];
+	glGetFloatv(GL_PROJECTION_MATRIX, p);
+	glGetFloatv(GL_MODELVIEW_MATRIX, vm);
+	skyboxGfx->draw(glm::make_mat4(p) * glm::make_mat4(vm));
 
 	glPopAttrib();
 }
diff --git a/lib/ivis_opengl/piefunc.h b/lib/ivis_opengl/piefunc.h
@@ -36,7 +36,7 @@
 void pie_TransColouredTriangle(Vector3f *vrt, PIELIGHT c);
 
 void pie_SetViewingWindow(Vector3i *v, PIELIGHT colour);
-void pie_DrawViewingWindow();
+void pie_DrawViewingWindow(const glm::mat4 &modelViewProjectionMatrix);
 
 void pie_DrawSkybox(float scale);
 void pie_Skybox_Init();

diff --git a/lib/ivis_opengl/piestate.cpp b/lib/ivis_opengl/piestate.cpp
@@ -385,6 +385,28 @@ bool pie_LoadShaders()
 		"fogEnabled", "fogEnd", "fogStart" });
 	ASSERT_OR_RETURN(false, result, "Failed to load water shader");
 
+	// Rectangular shader
+	debug(LOG_3D, "Loading shader: RECT");
+	result = pie_LoadShader("Rect program", "shaders/rect.vert", "shaders/rect.frag",
+		{ "transformationMatrix", "color" });
+	ASSERT_OR_RETURN(false, result, "Failed to load rect shader");
+
+	// Textured rectangular shader
+	debug(LOG_3D, "Loading shader: TEXRECT");
+	result = pie_LoadShader("Rect program", "shaders/rect.vert", "shaders/texturedrect.frag",
+		{ "transformationMatrix", "tuv_offset", "tuv_scale", "color", "texture" });
+	ASSERT_OR_RETURN(false, result, "Failed to load textured rect shader");
+
+	debug(LOG_3D, "Loading shader: GFX_COLOR");
+	result = pie_LoadShader("gfx_color program", "shaders/gfx.vert", "shaders/gfx.frag",
+		{ "posMatrix" });
+	ASSERT_OR_RETURN(false, result, "Failed to load textured gfx shader");
+
+	debug(LOG_3D, "Loading shader: GFX_TEXT");
+	result = pie_LoadShader("gfx_text program", "shaders/gfx.vert", "shaders/texturedrect.frag",
+		{ "posMatrix", "texture" });
+	ASSERT_OR_RETURN(false, result, "Failed to load textured gfx shader");
+
 	pie_internal::currentShaderMode = SHADER_NONE;
 	return true;
 }

diff --git a/lib/ivis_opengl/pietypes.h b/lib/ivis_opengl/pietypes.h
@@ -98,6 +98,10 @@ enum SHADER_MODE
 	SHADER_TERRAIN_DEPTH,
 	SHADER_DECALS,
 	SHADER_WATER,
+	SHADER_RECT,
+	SHADER_TEXRECT,
+	SHADER_GFX_COLOUR,
+	SHADER_GFX_TEXT,
 	SHADER_MAX
 };
 

diff --git a/lib/ivis_opengl/screen.cpp b/lib/ivis_opengl/screen.cpp
@@ -51,6 +51,7 @@
 #include <string>
 #include <vector>
 #include <cstring>
+#include <glm/gtx/transform.hpp>
 
 //using namespace std;
 
@@ -483,8 +484,7 @@ void screen_Display()
 	pie_SetDepthBufferStatus(DEPTH_CMP_ALWAYS_WRT_OFF);
 
 	// Draw backdrop
-	glColor3f(1, 1, 1);
-	backdropGfx->draw();
+	backdropGfx->draw(glm::ortho(0.f, (float)pie_GetVideoBufferWidth(), (float)pie_GetVideoBufferHeight(), 0.f));
 
 	if (mappreview)
 	{

diff --git a/lib/ivis_opengl/textdraw.cpp b/lib/ivis_opengl/textdraw.cpp
@@ -657,26 +657,14 @@ int iV_DrawFormattedText(const char *String, UDWORD x, UDWORD y, UDWORD Width, U
 
 void iV_DrawTextRotated(const char *string, float XPos, float YPos, float rotation)
 {
-	GLint matrix_mode = 0;
 	ASSERT_OR_RETURN(, string, "Couldn't render string!");
 	pie_SetTexturePage(TEXPAGE_EXTERN);
 
-	glGetIntegerv(GL_MATRIX_MODE, &matrix_mode);
-	glMatrixMode(GL_TEXTURE);
-	glPushMatrix();
-	glLoadIdentity();
-	glMatrixMode(GL_MODELVIEW);
-	glPushMatrix();
-
 	if (rotation != 0.f)
 	{
 		rotation = 180. - rotation;
 	}
 
-	glTranslatef(floor(XPos), floor(YPos), 0.f);
-	glRotatef(rotation, 0.f, 0.f, 1.f);
-
-	glColor4fv(font_colour);
 	PIELIGHT color;
 	color.vector[0] = font_colour[0] * 255.f;
 	color.vector[1] = font_colour[1] * 255.f;
@@ -700,15 +688,11 @@ void iV_DrawTextRotated(const char *string, float XPos, float YPos, float rotati
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
-		iV_DrawImage(textureID, Vector2i(xoffset, yoffset), Vector2i(width, height), REND_TEXT, color);
+		glDisable(GL_CULL_FACE);
+		iV_DrawImage(textureID, Vector2i(XPos, YPos), Vector2i(xoffset, yoffset), Vector2i(width, height), rotation, REND_TEXT, color);
+		glEnable(GL_CULL_FACE);
 	}
 
-	glPopMatrix();
-	glMatrixMode(GL_TEXTURE);
-	glPopMatrix();
-	glMatrixMode(matrix_mode);
-
 	// Reset the current model view matrix
 	glLoadIdentity();
 }

diff --git a/lib/sequence/sequence.cpp b/lib/sequence/sequence.cpp
@@ -66,6 +66,8 @@
 #include "lib/sound/audio.h"
 #include "lib/sound/openal_error.h"
 #include "lib/sound/mixer.h"
+#include <glm/gtx/transform.hpp>
+#include "lib/ivis_opengl/pieclip.h"
 
 #include <theora/theora.h>
 #include <physfs.h>
@@ -382,12 +384,11 @@ static void video_write(bool update)
 	glDisable(GL_DEPTH_TEST);
 	glDepthMask(GL_FALSE);
 
-	glPushMatrix();
-	glTranslatef(Scrnvidpos[0], Scrnvidpos[1], Scrnvidpos[2]);
+	videoGfx->draw(
+		glm::ortho(0.f, static_cast<float>(pie_GetVideoBufferWidth()), static_cast<float>(pie_GetVideoBufferHeight()), 0.f) *
+		glm::translate(glm::vec3(Scrnvidpos[0], Scrnvidpos[1], Scrnvidpos[2]))
+	);
 
-	videoGfx->draw();
-
-	glPopMatrix();
 	glErrors();
 }
 

diff --git a/src/intdisplay.cpp b/src/intdisplay.cpp
@@ -2045,7 +2045,7 @@ void IntTransportButton::display(int xOffset, int yOffset)
 }
 
 /* Draws blips on radar to represent Proximity Display and damaged structures */
-void drawRadarBlips(int radarX, int radarY, float pixSizeH, float pixSizeV)
+void drawRadarBlips(int radarX, int radarY, float pixSizeH, float pixSizeV, const glm::mat4 &modelViewProjection)
 {
 	PROXIMITY_DISPLAY	*psProxDisp;
 	UWORD			imageID;
@@ -2168,7 +2168,7 @@ void drawRadarBlips(int radarX, int radarY, float pixSizeH, float pixSizeV)
 		    && (y + radarY) < height * pixSizeH / 2 && (y + radarY) > -height * pixSizeH / 2)
 		{
 			// Draw the 'blip'
-			iV_DrawImage(IntImages, imageID, x + radarX, y + radarY);
+			iV_DrawImage(IntImages, imageID, x + radarX, y + radarY, modelViewProjection);
 		}
 	}
 	if (audio_GetPreviousQueueTrackRadarBlipPos(&x, &y))
@@ -2186,7 +2186,7 @@ void drawRadarBlips(int radarX, int radarY, float pixSizeH, float pixSizeV)
 		    && (y + radarY) < height * pixSizeH / 2 && (y + radarY) > -height * pixSizeH / 2)
 		{
 			// Draw the 'blip'
-			iV_DrawImage(IntImages, imageID, x + radarX, y + radarY);
+			iV_DrawImage(IntImages, imageID, x + radarX, y + radarY, modelViewProjection);
 		}
 	}
 }

diff --git a/src/intdisplay.h b/src/intdisplay.h
@@ -287,7 +287,7 @@ class IntTransportButton : public IntFancyButton
 };
 
 /*draws blips on radar to represent Proximity Display*/
-extern void drawRadarBlips(int radarX, int radarY, float pixSizeH, float pixSizeV);
+extern void drawRadarBlips(int radarX, int radarY, float pixSizeH, float pixSizeV, const glm::mat4 &modelViewProjection);
 
 /*Displays the proximity messages blips over the world*/
 void intDisplayProximityBlips(WIDGET *psWidget, UDWORD xOffset, UDWORD yOffset);

diff --git a/src/intimage.cpp b/src/intimage.cpp
@@ -160,7 +160,7 @@ bool imageInitBitmaps(void)
 
 // Render a window frame.
 //
-void RenderWindowFrame(FRAMETYPE frame, UDWORD x, UDWORD y, UDWORD Width, UDWORD Height)
+void RenderWindowFrame(FRAMETYPE frame, UDWORD x, UDWORD y, UDWORD Width, UDWORD Height, const glm::mat4 &modelViewProjectionMatrix)
 {
 	SWORD WTopRight = 0;
 	SWORD WTopLeft = 0;
@@ -241,24 +241,24 @@ void RenderWindowFrame(FRAMETYPE frame, UDWORD x, UDWORD y, UDWORD Width, UDWORD
 	if (Frame->TopEdge >= 0)
 	{
 		iV_DrawImageRepeatX(IntImages, Frame->TopEdge, x + iV_GetImageWidth(IntImages, Frame->TopLeft), y,
-		                    Width - WTopLeft - WTopRight);
+		                    Width - WTopLeft - WTopRight, modelViewProjectionMatrix);
 	}
 
 	if (Frame->BottomEdge >= 0)
 	{
 		iV_DrawImageRepeatX(IntImages, Frame->BottomEdge, x + WBottomLeft, y + Height - iV_GetImageHeight(IntImages, Frame->BottomEdge),
-		                    Width - WBottomLeft - WBottomRight);
+		                    Width - WBottomLeft - WBottomRight, modelViewProjectionMatrix);
 	}
 
 	if (Frame->LeftEdge >= 0)
 	{
-		iV_DrawImageRepeatY(IntImages, Frame->LeftEdge, x, y + HTopLeft, Height - HTopLeft - HBottomLeft);
+		iV_DrawImageRepeatY(IntImages, Frame->LeftEdge, x, y + HTopLeft, Height - HTopLeft - HBottomLeft, modelViewProjectionMatrix);
 	}
 
 	if (Frame->RightEdge >= 0)
 	{
 		iV_DrawImageRepeatY(IntImages, Frame->RightEdge, x + Width - iV_GetImageWidth(IntImages, Frame->RightEdge), y + HTopRight,
-		                    Height - HTopRight - HBottomRight);
+		                    Height - HTopRight - HBottomRight, modelViewProjectionMatrix);
 	}
 }
 

diff --git a/src/intimage.h b/src/intimage.h
@@ -53,6 +53,6 @@ extern IMAGEFILE *IntImages;	//< All the 2d graphics for the user interface.
 bool imageInitBitmaps(void);
 
 /** Draws a transparent window. */
-void RenderWindowFrame(FRAMETYPE frame, UDWORD x, UDWORD y, UDWORD Width, UDWORD Height);
+void RenderWindowFrame(FRAMETYPE frame, uint32_t x, uint32_t y, uint32_t Width, uint32_t Heig, const glm::mat4 &modelViewProjection = glm::mat4());
 
 #endif
diff --git a/src/radar.cpp b/src/radar.cpp
@@ -46,6 +46,7 @@
 #include "multiplay.h"
 #include "intdisplay.h"
 #include "texture.h"
+#include <glm/gtx/transform.hpp>
 
 #define HIT_NOTIFICATION	(GAME_TICKS_PER_SEC * 2)
 #define RADAR_FRAME_SKIP	10
@@ -110,8 +111,8 @@ static int frameSkip = 0;
 
 static void DrawRadarTiles();
 static void DrawRadarObjects();
-static void DrawRadarExtras();
-static void DrawNorth();
+static void DrawRadarExtras(const glm::mat4 &modelViewProjectionMatrix);
+static void DrawNorth(const glm::mat4 &modelViewProjectionMatrix);
 static void setViewingWindow();
 
 static void radarSize(int ZoomLevel)
@@ -282,26 +283,24 @@ void drawRadar()
 	}
 	frameSkip--;
 	pie_SetRendMode(REND_ALPHA);
-	pie_MatBegin();
-	pie_TRANSLATE(radarCenterX, radarCenterY, 0);
+	glm::mat4 radarMatrix =
+		glm::translate(static_cast<float>(radarCenterX), static_cast<float>(radarCenterY), 0.f);
+	glm::mat4 orthoMatrix = glm::ortho(0.f, static_cast<float>(pie_GetVideoBufferWidth()), static_cast<float>(pie_GetVideoBufferHeight()), 0.f);
 	if (rotateRadar)
 	{
 		// rotate the map
-		pie_MatRotZ(player.r.y);
-		DrawNorth();
+		radarMatrix *= glm::rotate(UNDEG(player.r.y), glm::vec3(0.f, 0.f, 1.f));
+		DrawNorth(orthoMatrix * radarMatrix);
 	}
-	pie_RenderRadar();
-	pie_MatBegin();
-	pie_TRANSLATE(-radarWidth / 2 - 1, -radarHeight / 2 - 1, 0);
-	DrawRadarExtras();
-	pie_MatEnd();
-	drawRadarBlips(-radarWidth / 2.0 - 1, -radarHeight / 2.0 - 1, pixSizeH, pixSizeV);
-	pie_MatEnd();
+
+	pie_RenderRadar(orthoMatrix * radarMatrix);
+	DrawRadarExtras(orthoMatrix * radarMatrix * glm::translate(-radarWidth / 2.f - 1.f, -radarHeight / 2.f - 1.f, 0.f));
+	drawRadarBlips(-radarWidth / 2.0 - 1, -radarHeight / 2.0 - 1, pixSizeH, pixSizeV, orthoMatrix * radarMatrix);
 }
 
-static void DrawNorth()
+static void DrawNorth(const glm::mat4 &modelViewProjectionMatrix)
 {
-	iV_DrawImage(IntImages, RADAR_NORTH, -((radarWidth / 2.0) + iV_GetImageWidth(IntImages, RADAR_NORTH) + 1), -(radarHeight / 2.0));
+	iV_DrawImage(IntImages, RADAR_NORTH, -((radarWidth / 2.0) + iV_GetImageWidth(IntImages, RADAR_NORTH) + 1), -(radarHeight / 2.0), modelViewProjectionMatrix);
 }
 
 static PIELIGHT appliedRadarColour(RADAR_DRAW_MODE radarDrawMode, MAPTILE *WTile)
@@ -645,10 +644,10 @@ static void setViewingWindow()
 	pie_SetViewingWindow(tv, colour);
 }
 
-static void DrawRadarExtras()
+static void DrawRadarExtras(const glm::mat4 &modelViewProjectionMatrix)
 {
-	pie_DrawViewingWindow();
-	RenderWindowFrame(FRAME_RADAR, -1, -1, radarWidth + 2, radarHeight + 2);
+	pie_DrawViewingWindow(modelViewProjectionMatrix);
+	RenderWindowFrame(FRAME_RADAR, -1, -1, radarWidth + 2, radarHeight + 2, modelViewProjectionMatrix);
 }
 
 /** Does a screen coordinate lie within the radar area? */

diff --git a/src/wrappers.cpp b/src/wrappers.cpp
@@ -298,7 +298,7 @@ void loadingScreenCallback(void)
 	for (i = 1; i < starsNum; ++i)
 	{
 		stars[i].xPos = stars[i].xPos + stars[i].speed;
-		if (stars[i].xPos >= barRightX)
+		if (barLeftX + stars[i].xPos >= barRightX)
 		{
 			stars[i] = newStar();
 			stars[i].xPos = 1;