17 files changed, 68 insertions, 68 deletions

diff --git a/source/blender/blenfont/intern/blf.c b/source/blender/blenfont/intern/blf.c
index ab7c831f95c..17b353d48c2 100644
--- a/source/blender/blenfont/intern/blf.c
+++ b/source/blender/blenfont/intern/blf.c
@@ -555,7 +555,7 @@ static void blf_draw_gl__start(FontBLF *font)
 	gpuMatrixBegin3D_legacy();
 
 	if (font->flags & BLF_MATRIX)
-		gpuMultMatrix3D((float (*)[4])font->m);
+		gpuMultMatrix3D(font->m);
 
 	gpuTranslate3fv(font->pos);
 
diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index 6b7fe00dba1..ad4678d8ee1 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -51,6 +51,7 @@
 #include "GPU_texture.h"
 #include "GPU_uniformbuffer.h"
 #include "GPU_viewport.h"
+#include "GPU_matrix.h"
 
 #include "RE_engine.h"
 
@@ -1067,9 +1068,9 @@ void DRW_draw_callbacks_pre_scene(void)
 	/* This is temporary
 	 * waiting for the full matrix switch */
 	glMatrixMode(GL_PROJECTION);
-	glLoadMatrixf((float *)rv3d->winmat);
+	gpuLoadMatrix3D(rv3d->winmat);
 	glMatrixMode(GL_MODELVIEW);
-	glLoadMatrixf((float *)rv3d->viewmat);
+	gpuLoadMatrix3D(rv3d->viewmat);
 
 	ED_region_draw_cb_draw(DST.context, ar, REGION_DRAW_PRE_VIEW);
 }
@@ -1082,9 +1083,9 @@ void DRW_draw_callbacks_post_scene(void)
 	/* This is temporary
 	 * waiting for the full matrix switch */
 	glMatrixMode(GL_PROJECTION);
-	glLoadMatrixf((float *)rv3d->winmat);
+	gpuLoadMatrix3D(rv3d->winmat);
 	glMatrixMode(GL_MODELVIEW);
-	glLoadMatrixf((float *)rv3d->viewmat);
+	gpuLoadMatrix3D(rv3d->viewmat);
 
 	ED_region_draw_cb_draw(DST.context, ar, REGION_DRAW_POST_VIEW);
 }
diff --git a/source/blender/draw/intern/draw_view.c b/source/blender/draw/intern/draw_view.c
index 747cc84a9cd..e0a19cec7ad 100644
--- a/source/blender/draw/intern/draw_view.c
+++ b/source/blender/draw/intern/draw_view.c
@@ -532,9 +532,9 @@ void DRW_draw_grid(void)
 		drawgrid(&scene->unit, ar, v3d, &grid_unit);
 
 		glMatrixMode(GL_PROJECTION);
-		glLoadMatrixf((float *)rv3d->winmat);
+		gpuLoadMatrix3D(rv3d->winmat);
 		glMatrixMode(GL_MODELVIEW);
-		glLoadMatrixf((float *)rv3d->viewmat);
+		gpuLoadMatrix3D(rv3d->viewmat);
 	}
 	else {
 		glDepthMask(GL_TRUE);
diff --git a/source/blender/editors/interface/view2d.c b/source/blender/editors/interface/view2d.c
index 5c2d4cafd84..5a9a4ef49eb 100644
--- a/source/blender/editors/interface/view2d.c
+++ b/source/blender/editors/interface/view2d.c
@@ -50,11 +50,10 @@
 #include "BKE_global.h"
 
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "WM_api.h"
 
-#include "BIF_gl.h"
-
 #include "BLF_api.h"
 
 #include "ED_screen.h"
@@ -1139,7 +1138,7 @@ void UI_view2d_view_restore(const bContext *C)
 	int height = BLI_rcti_size_y(&ar->winrct) + 1;
 	
 	wmOrtho2(0.0f, (float)width, 0.0f, (float)height);
-	glLoadIdentity();
+	gpuLoadIdentity();
 	
 	//	ED_region_pixelspace(CTX_wm_region(C));
 }
diff --git a/source/blender/editors/mesh/editmesh_knife.c b/source/blender/editors/mesh/editmesh_knife.c
index f320943d68a..a7fa5eb8138 100644
--- a/source/blender/editors/mesh/editmesh_knife.c
+++ b/source/blender/editors/mesh/editmesh_knife.c
@@ -54,10 +54,10 @@
 #include "BKE_editmesh_bvh.h"
 #include "BKE_report.h"
 
-#include "BIF_gl.h"
 #include "BIF_glutil.h" /* for paint cursor */
 
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "ED_screen.h"
 #include "ED_space_api.h"
@@ -1043,8 +1043,8 @@ static void knifetool_draw(const bContext *C, ARegion *UNUSED(ar), void *arg)
 
 	glPolygonOffset(1.0f, 1.0f);
 
-	glPushMatrix();
-	glMultMatrixf(kcd->ob->obmat);
+	gpuPushMatrix();
+	gpuMultMatrix3D(kcd->ob->obmat);
 
 	unsigned pos = add_attrib(immVertexFormat(), "pos", GL_FLOAT, 3, KEEP_FLOAT);
 
@@ -1191,7 +1191,7 @@ static void knifetool_draw(const bContext *C, ARegion *UNUSED(ar), void *arg)
 
 	immUnbindProgram();
 
-	glPopMatrix();
+	gpuPopMatrix();
 
 	if (v3d->zbuf) glEnable(GL_DEPTH_TEST);
 }
diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c
index f077535f51b..0834f05706e 100644
--- a/source/blender/editors/screen/glutil.c
+++ b/source/blender/editors/screen/glutil.c
@@ -623,8 +623,8 @@ gla2DDrawInfo *glaBegin2DDraw(rcti *screen_rect, rctf *world_rect)
 
 	glGetIntegerv(GL_VIEWPORT, (GLint *)di->orig_vp);
 	glGetIntegerv(GL_SCISSOR_BOX, (GLint *)di->orig_sc);
-	glGetFloatv(GL_PROJECTION_MATRIX, (GLfloat *)di->orig_projmat);
-	glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat *)di->orig_viewmat);
+	gpuGetProjectionMatrix3D(di->orig_projmat);
+	gpuGetModelViewMatrix3D(di->orig_viewmat);
 
 	di->screen_rect = *screen_rect;
 	if (world_rect) {
@@ -703,7 +703,7 @@ void bglPolygonOffset(float viewdist, float dist)
 
 		/* hack below is to mimic polygon offset */
 		glMatrixMode(GL_PROJECTION);
-		glGetFloatv(GL_PROJECTION_MATRIX, (float *)winmat);
+		gpuGetProjectionMatrix3D(winmat);
 		
 		/* dist is from camera to center point */
 		
diff --git a/source/blender/editors/sculpt_paint/paint_utils.c b/source/blender/editors/sculpt_paint/paint_utils.c
index 756536f3db2..23c0f680a64 100644
--- a/source/blender/editors/sculpt_paint/paint_utils.c
+++ b/source/blender/editors/sculpt_paint/paint_utils.c
@@ -59,8 +59,7 @@
 #include "RNA_access.h"
 #include "RNA_define.h"
 
-#include "BIF_gl.h"
-#include "BIF_glutil.h"
+#include "GPU_matrix.h"
 
 #include "IMB_colormanagement.h"
 #include "IMB_imbuf_types.h"
@@ -285,8 +284,8 @@ static void imapaint_pick_uv(Scene *scene, Object *ob, unsigned int faceindex, c
 
 	/* get the needed opengl matrices */
 	glGetIntegerv(GL_VIEWPORT, view);
-	glGetFloatv(GL_MODELVIEW_MATRIX,  (float *)matrix);
-	glGetFloatv(GL_PROJECTION_MATRIX, (float *)proj);
+	gpuGetModelViewMatrix3D(matrix);
+	gpuGetProjectionMatrix3D(proj);
 	view[0] = view[1] = 0;
 	mul_m4_m4m4(matrix, matrix, ob->obmat);
 	mul_m4_m4m4(matrix, proj, matrix);
diff --git a/source/blender/editors/space_image/image_draw.c b/source/blender/editors/space_image/image_draw.c
index 940d6f07018..d5258869968 100644
--- a/source/blender/editors/space_image/image_draw.c
+++ b/source/blender/editors/space_image/image_draw.c
@@ -852,7 +852,7 @@ void draw_image_main(const bContext *C, ARegion *ar)
 			calc_image_view(sima, 'f');
 			myortho2(G.v2d->cur.xmin, G.v2d->cur.xmax, G.v2d->cur.ymin, G.v2d->cur.ymax);
 			glRectf(0.0f, 0.0f, 1.0f, 1.0f);
-			glLoadIdentity();
+			gpuLoadIdentity();
 		}
 	}
 #endif
diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index 6796802dca9..51b82c9f421 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -50,11 +50,11 @@
 #include "BLF_api.h"
 #include "BLT_translation.h"
 
-#include "BIF_gl.h"
 #include "BIF_glutil.h"
 
 #include "GPU_draw.h"
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "RNA_access.h"
 #include "RNA_define.h"
@@ -3198,9 +3198,9 @@ void draw_nodespace_back_pix(const bContext *C, ARegion *ar, SpaceNode *snode, b
 		float x, y; 
 		
 		glMatrixMode(GL_PROJECTION);
-		glPushMatrix();
+		gpuPushMatrix();
 		glMatrixMode(GL_MODELVIEW);
-		glPushMatrix();
+		gpuPushMatrix();
 		
 		/* somehow the offset has to be calculated inverse */
 		
@@ -3286,9 +3286,9 @@ void draw_nodespace_back_pix(const bContext *C, ARegion *ar, SpaceNode *snode, b
 		}
 		
 		glMatrixMode(GL_PROJECTION);
-		glPopMatrix();
+		gpuPopMatrix();
 		glMatrixMode(GL_MODELVIEW);
-		glPopMatrix();
+		gpuPopMatrix();
 	}
 	
 	BKE_image_release_ibuf(ima, ibuf, lock);
diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c b/source/blender/editors/space_sequencer/sequencer_draw.c
index 3da0150a75b..36aa3358b18 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -58,6 +58,7 @@
 #include "BIF_glutil.h"
 
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "ED_anim_api.h"
 #include "ED_gpencil.h"
@@ -1287,11 +1288,11 @@ void draw_image_seq(const bContext *C, Scene *scene, ARegion *ar, SpaceSeq *sseq
 
 	if (draw_backdrop) {
 		glMatrixMode(GL_PROJECTION);
-		glPushMatrix();
-		glLoadIdentity();
+		gpuPushMatrix();
+		gpuLoadIdentity();
 		glMatrixMode(GL_MODELVIEW);
-		glPushMatrix();
-		glLoadIdentity();
+		gpuPushMatrix();
+		gpuLoadIdentity();
 	}
 
 	glGenTextures(1, (GLuint *)&texid);
@@ -1420,9 +1421,9 @@ void draw_image_seq(const bContext *C, Scene *scene, ARegion *ar, SpaceSeq *sseq
 	}
 
 	if (draw_backdrop) {
-		glPopMatrix();
+		gpuPopMatrix();
 		glMatrixMode(GL_PROJECTION);
-		glPopMatrix();
+		gpuPopMatrix();
 		glMatrixMode(GL_MODELVIEW);
 		return;
 	}
diff --git a/source/blender/editors/space_view3d/drawanimviz.c b/source/blender/editors/space_view3d/drawanimviz.c
index 505ed1fdd3a..7ab2b4ec3a4 100644
--- a/source/blender/editors/space_view3d/drawanimviz.c
+++ b/source/blender/editors/space_view3d/drawanimviz.c
@@ -49,9 +49,8 @@
 #include "BKE_animsys.h"
 #include "BKE_action.h"
 
-#include "BIF_gl.h"
-
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "ED_keyframes_draw.h"
 
@@ -73,8 +72,8 @@ void draw_motion_paths_init(View3D *v3d, ARegion *ar)
 	
 	if (v3d->zbuf) glDisable(GL_DEPTH_TEST);
 	
-	glPushMatrix();
-	glLoadMatrixf(rv3d->viewmat);
+	gpuPushMatrix();
+	gpuLoadMatrix3D(rv3d->viewmat);
 }
 
 /* set color
@@ -435,5 +434,5 @@ void draw_motion_path_instance(Scene *scene,
 void draw_motion_paths_cleanup(View3D *v3d)
 {
 	if (v3d->zbuf) glEnable(GL_DEPTH_TEST);
-	glPopMatrix();
+	gpuPopMatrix();
 }
diff --git a/source/blender/editors/space_view3d/drawmesh.c b/source/blender/editors/space_view3d/drawmesh.c
index 8cd03a2aacc..102a754e6de 100644
--- a/source/blender/editors/space_view3d/drawmesh.c
+++ b/source/blender/editors/space_view3d/drawmesh.c
@@ -55,7 +55,6 @@
 #include "BKE_editmesh.h"
 #include "BKE_scene.h"
 
-#include "BIF_gl.h"
 #include "BIF_glutil.h"
 
 #include "UI_resources.h"
@@ -64,6 +63,7 @@
 #include "GPU_material.h"
 #include "GPU_basic_shader.h"
 #include "GPU_shader.h"
+#include "GPU_matrix.h"
 
 #include "RE_engine.h"
 
@@ -547,10 +547,10 @@ static void draw_textured_end(void)
 	 * of and restored the light settings it changed.
 	 *  - zr
 	 */
-	glPushMatrix();
-	glLoadIdentity();
+	gpuPushMatrix();
+	gpuLoadIdentity();
 	GPU_default_lights();
-	glPopMatrix();
+	gpuPopMatrix();
 }
 
 static DMDrawOption draw_tface__set_draw_legacy(MTexPoly *mtexpoly, const bool has_mcol, int matnr)
@@ -1104,7 +1104,7 @@ static void tex_mat_set_texture_cb(void *userData, int mat_nr, void *attribs)
 			glBindTexture(GL_TEXTURE_2D, ima->bindcode[TEXTARGET_TEXTURE_2D]);
 
 			glMatrixMode(GL_TEXTURE);
-			glLoadMatrixf(texbase->tex_mapping.mat);
+			gpuLoadMatrix3D(texbase->tex_mapping.mat);
 			glMatrixMode(GL_MODELVIEW);
 
 			/* use active UV texture layer */
@@ -1140,7 +1140,7 @@ static void tex_mat_set_texture_cb(void *userData, int mat_nr, void *attribs)
 	}
 	else {
 		glMatrixMode(GL_TEXTURE);
-		glLoadIdentity();
+		gpuLoadIdentity();
 		glMatrixMode(GL_MODELVIEW);
 
 		/* enable solid material */
@@ -1243,7 +1243,7 @@ void draw_mesh_textured(Scene *scene, SceneLayer *sl, View3D *v3d, RegionView3D
 	glFrontFace(GL_CCW);
 
 	glMatrixMode(GL_TEXTURE);
-	glLoadIdentity();
+	gpuLoadIdentity();
 	glMatrixMode(GL_MODELVIEW);
 
 	/* faceselect mode drawing over textured mesh */
diff --git a/source/blender/editors/space_view3d/drawsimdebug.c b/source/blender/editors/space_view3d/drawsimdebug.c
index e47adbea657..5984633112d 100644
--- a/source/blender/editors/space_view3d/drawsimdebug.c
+++ b/source/blender/editors/space_view3d/drawsimdebug.c
@@ -41,11 +41,10 @@
 #include "BKE_effect.h"
 
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "view3d_intern.h"
 
-#include "BIF_gl.h"
-
 
 static void draw_sim_debug_elements(SimDebugData *debug_data, float imat[4][4])
 {
@@ -199,12 +198,12 @@ void draw_sim_debug_data(Scene *UNUSED(scene), View3D *v3d, ARegion *ar)
 	
 	invert_m4_m4(imat, rv3d->viewmatob);
 	
-	glPushMatrix();
-	glLoadMatrixf(rv3d->viewmat);
+	gpuPushMatrix();
+	gpuLoadMatrix3D(rv3d->viewmat);
 	
 	view3d_cached_text_draw_begin();
 	draw_sim_debug_elements(_sim_debug_data, imat);
 	view3d_cached_text_draw_end(v3d, ar, false, NULL);
 	
-	glPopMatrix();
+	gpuPopMatrix();
 }
diff --git a/source/blender/editors/space_view3d/view3d_select.c b/source/blender/editors/space_view3d/view3d_select.c
index 8eee7f6a632..76f8db1cec5 100644
--- a/source/blender/editors/space_view3d/view3d_select.c
+++ b/source/blender/editors/space_view3d/view3d_select.c
@@ -75,7 +75,6 @@
 #include "BKE_utildefines.h"
 
 
-#include "BIF_gl.h"
 #include "BIF_glutil.h"
 
 #include "WM_api.h"
@@ -97,6 +96,7 @@
 #include "UI_interface.h"
 
 #include "GPU_draw.h"
+#include "GPU_matrix.h"
 
 #include "view3d_intern.h"  /* own include */
 
@@ -477,7 +477,7 @@ static void do_lasso_select_mesh(ViewContext *vc, const int mcords[][2], short m
 	/* for non zbuf projections, don't change the GL state */
 	ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
 
-	glLoadMatrixf(vc->rv3d->viewmat);
+	gpuLoadMatrix3D(vc->rv3d->viewmat);
 	bbsel = EDBM_backbuf_border_mask_init(vc, mcords, moves, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
 	
 	if (ts->selectmode & SCE_SELECT_VERTEX) {
@@ -1849,7 +1849,7 @@ static int do_mesh_box_select(ViewContext *vc, rcti *rect, bool select, bool ext
 	/* for non zbuf projections, don't change the GL state */
 	ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
 
-	glLoadMatrixf(vc->rv3d->viewmat);
+	gpuLoadMatrix3D(vc->rv3d->viewmat);
 	bbsel = EDBM_backbuf_border_init(vc, rect->xmin, rect->ymin, rect->xmax, rect->ymax);
 
 	if (ts->selectmode & SCE_SELECT_VERTEX) {
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index f2d25ddcbd6..05915b31322 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -51,10 +51,10 @@
 #include "BKE_scene.h"
 #include "BKE_screen.h"
 
-#include "BIF_gl.h"
 #include "BIF_glutil.h"
 
 #include "GPU_select.h"
+#include "GPU_matrix.h"
 
 #include "WM_api.h"
 #include "WM_types.h"
@@ -97,9 +97,9 @@ void view3d_region_operator_needs_opengl(wmWindow *win, ARegion *ar)
 		
 		wmSubWindowSet(win, ar->swinid);
 		glMatrixMode(GL_PROJECTION);
-		glLoadMatrixf(rv3d->winmat);
+		gpuLoadMatrix3D(rv3d->winmat);
 		glMatrixMode(GL_MODELVIEW);
-		glLoadMatrixf(rv3d->viewmat);
+		gpuLoadMatrix3D(rv3d->viewmat);
 	}
 }
 
@@ -936,7 +936,7 @@ void view3d_winmatrix_set(ARegion *ar, const View3D *v3d, const rcti *rect)
 	}
 
 	/* update matrix in 3d view region */
-	glGetFloatv(GL_PROJECTION_MATRIX, (float *)rv3d->winmat);
+	gpuGetProjectionMatrix3D(rv3d->winmat);
 }
 
 static void obmat_to_viewmat(RegionView3D *rv3d, Object *ob)
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 72148ea13b0..3ece7f40b92 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -63,6 +63,7 @@
 #include "RNA_access.h"
 
 #include "GPU_immediate.h"
+#include "GPU_matrix.h"
 
 #include "BIK_api.h"
 
@@ -1033,11 +1034,10 @@ void drawLine(TransInfo *t, const float center[3], const float dir[3], char axis
 	if (t->spacetype == SPACE_VIEW3D) {
 		View3D *v3d = t->view;
 		
-		glPushMatrix();
-		
-		//if (t->obedit) glLoadMatrixf(t->obedit->obmat);	// sets opengl viewing
-		
-		
+		gpuPushMatrix();
+
+		// if (t->obedit) gpuLoadMatrix3D(t->obedit->obmat); // sets opengl viewing
+
 		copy_v3_v3(v3, dir);
 		mul_v3_fl(v3, v3d->far);
 		
@@ -1064,7 +1064,7 @@ void drawLine(TransInfo *t, const float center[3], const float dir[3], char axis
 
 		immUnbindProgram();
 
-		glPopMatrix();
+		gpuPopMatrix();
 	}
 }
 
diff --git a/source/blender/windowmanager/intern/wm_subwindow.c b/source/blender/windowmanager/intern/wm_subwindow.c
index c401a11f74d..489f0b8013f 100644
--- a/source/blender/windowmanager/intern/wm_subwindow.c
+++ b/source/blender/windowmanager/intern/wm_subwindow.c
@@ -47,6 +47,8 @@
 
 #include "BIF_gl.h"
 
+#include "GPU_matrix.h"
+
 #include "WM_api.h"
 #include "wm_subwindow.h"
 
@@ -147,7 +149,7 @@ static void wm_swin_matrix_get(wmWindow *win, wmSubWindow *swin, float mat[4][4]
 		orthographic_m4(mat, -GLA_PIXEL_OFS, (float)width - GLA_PIXEL_OFS, -GLA_PIXEL_OFS, (float)height - GLA_PIXEL_OFS, -100, 100);
 	}
 	else {
-		glGetFloatv(GL_PROJECTION_MATRIX, (float *)mat);
+		gpuGetProjectionMatrix3D(mat);
 	}
 }
 void wm_subwindow_matrix_get(wmWindow *win, int swinid, float mat[4][4])
@@ -213,7 +215,7 @@ int wm_subwindow_open(wmWindow *win, const rcti *winrct, bool activate)
 		/* extra service */
 		wm_swin_size_get(swin, &width, &height);
 		wmOrtho2_pixelspace(width, height);
-		glLoadIdentity();
+		gpuLoadIdentity();
 	}
 
 	return swin->swinid;
@@ -319,7 +321,7 @@ void wmSubWindowScissorSet(wmWindow *win, int swinid, const rcti *srct, bool src
 		glScissor(_curswin->winrct.xmin, _curswin->winrct.ymin, width, height);
 	
 	wmOrtho2_pixelspace(width, height);
-	glLoadIdentity();
+	gpuLoadIdentity();
 	
 	glFlush();
 }
@@ -333,7 +335,7 @@ void wmSubWindowSet(wmWindow *win, int swinid)
 void wmFrustum(float x1, float x2, float y1, float y2, float n, float f)
 {
 	glMatrixMode(GL_PROJECTION);
-	glLoadIdentity();
+	gpuLoadIdentity();
 	glFrustum(x1, x2, y1, y2, n, f);
 	glMatrixMode(GL_MODELVIEW);
 }
@@ -341,7 +343,7 @@ void wmFrustum(float x1, float x2, float y1, float y2, float n, float f)
 void wmOrtho(float x1, float x2, float y1, float y2, float n, float f)
 {
 	glMatrixMode(GL_PROJECTION);
-	glLoadIdentity();
+	gpuLoadIdentity();
 
 	glOrtho(x1, x2, y1, y2, n, f);