[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [47747] trunk/blender: Add user preference "GPU Mipmap Generation" under the System/OpenGL

Antony Riakiotakis kalast at gmail.com
Mon Jun 11 18:23:16 CEST 2012


Revision: 47747
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=47747
Author:   psy-fi
Date:     2012-06-11 16:23:10 +0000 (Mon, 11 Jun 2012)
Log Message:
-----------
Add user preference "GPU Mipmap Generation" under the System/OpenGL
subpanel to calculate image mipmapping on the GPU, saving upload and
calculation time. Default is off just in case.

Modified Paths:
--------------
    trunk/blender/release/scripts/startup/bl_ui/space_userpref.py
    trunk/blender/source/blender/gpu/GPU_draw.h
    trunk/blender/source/blender/gpu/intern/gpu_draw.c
    trunk/blender/source/blender/makesdna/DNA_userdef_types.h
    trunk/blender/source/blender/makesrna/intern/rna_userdef.c
    trunk/blender/source/blender/windowmanager/intern/wm_init_exit.c

Modified: trunk/blender/release/scripts/startup/bl_ui/space_userpref.py
===================================================================
--- trunk/blender/release/scripts/startup/bl_ui/space_userpref.py	2012-06-11 15:28:45 UTC (rev 47746)
+++ trunk/blender/release/scripts/startup/bl_ui/space_userpref.py	2012-06-11 16:23:10 UTC (rev 47747)
@@ -434,6 +434,7 @@
         col.label(text="OpenGL:")
         col.prop(system, "gl_clip_alpha", slider=True)
         col.prop(system, "use_mipmaps")
+        col.prop(system, "use_gpu_mipmap")
         col.prop(system, "use_16bit_textures")
         col.label(text="Anisotropic Filtering")
         col.prop(system, "anisotropic_filter", text="")

Modified: trunk/blender/source/blender/gpu/GPU_draw.h
===================================================================
--- trunk/blender/source/blender/gpu/GPU_draw.h	2012-06-11 15:28:45 UTC (rev 47746)
+++ trunk/blender/source/blender/gpu/GPU_draw.h	2012-06-11 16:23:10 UTC (rev 47747)
@@ -112,6 +112,9 @@
 void GPU_set_anisotropic(float value);
 float GPU_get_anisotropic(void);
 
+/* enable gpu mipmapping */
+void GPU_set_gpu_mipmapping(int gpu_mipmap);
+
 /* Image updates and free
  * - these deal with images bound as opengl textures */
 

Modified: trunk/blender/source/blender/gpu/intern/gpu_draw.c
===================================================================
--- trunk/blender/source/blender/gpu/intern/gpu_draw.c	2012-06-11 15:28:45 UTC (rev 47746)
+++ trunk/blender/source/blender/gpu/intern/gpu_draw.c	2012-06-11 16:23:10 UTC (rev 47747)
@@ -234,11 +234,23 @@
 
 	int alphablend;
 	float anisotropic;
+	int gpu_mipmap;
 	MTFace *lasttface;
-} GTS = {0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, 1, 0, 0, -1, 1.f, NULL};
+} GTS = {0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, 1, 0, 0, -1, 1.f, 0, NULL};
 
 /* Mipmap settings */
 
+void GPU_set_gpu_mipmapping(int gpu_mipmap){
+	int old_value = GTS.gpu_mipmap;
+
+	/* only actually enable if it's supported */
+	GTS.gpu_mipmap = gpu_mipmap && GLEW_EXT_framebuffer_object;
+
+	if(old_value != GTS.gpu_mipmap) {
+		GPU_free_images();
+	}
+}
+
 void GPU_set_mipmap(int mipmap)
 {
 	if (GTS.domipmap != (mipmap != 0)) {
@@ -632,10 +644,19 @@
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
 	}
 	else {
-		if (use_high_bit_depth)
-			gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA16, rectw, recth, GL_RGBA, GL_FLOAT, frect);
-		else
-			gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, rect);
+		if(GTS.gpu_mipmap) {
+			if (use_high_bit_depth)
+				glTexImage2D(GL_TEXTURE_2D, 0,  GL_RGBA16,  rectw, recth, 0, GL_RGBA, GL_FLOAT, frect);
+			else
+				glTexImage2D(GL_TEXTURE_2D, 0,  GL_RGBA,  rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, rect);
+
+			glGenerateMipmapEXT(GL_TEXTURE_2D);
+		} else {
+			if (use_high_bit_depth)
+				gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA16, rectw, recth, GL_RGBA, GL_FLOAT, frect);
+			else
+				gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, rect);
+		}
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gpu_get_mipmap_filter(0));
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
 

Modified: trunk/blender/source/blender/makesdna/DNA_userdef_types.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_userdef_types.h	2012-06-11 15:28:45 UTC (rev 47746)
+++ trunk/blender/source/blender/makesdna/DNA_userdef_types.h	2012-06-11 16:23:10 UTC (rev 47747)
@@ -412,7 +412,7 @@
 	
 	short widget_unit;		/* defaults to 20 for 72 DPI setting */
 	short anisotropic_filter;
-	short use_16bit_textures, pad8;
+	short use_16bit_textures, use_gpu_mipmap;
 
 	float ndof_sensitivity;	/* overall sensitivity of 3D mouse */
 	int ndof_flag;			/* flags for 3D mouse */

Modified: trunk/blender/source/blender/makesrna/intern/rna_userdef.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_userdef.c	2012-06-11 15:28:45 UTC (rev 47746)
+++ trunk/blender/source/blender/makesrna/intern/rna_userdef.c	2012-06-11 16:23:10 UTC (rev 47747)
@@ -144,6 +144,11 @@
 	rna_userdef_update(bmain, scene, ptr);
 }
 
+static void rna_userdef_gl_gpu_mipmaps(Main *bmain, Scene *scene, PointerRNA *ptr) {
+	GPU_set_gpu_mipmapping(U.use_gpu_mipmap);
+	rna_userdef_update(bmain, scene, ptr);
+}
+
 static void rna_userdef_gl_texture_limit_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
 	GPU_free_images();
@@ -3143,6 +3148,11 @@
 	RNA_def_property_ui_text(prop, "16 Bit Float Textures", "Use 16 bit per component texture for float images");
 	RNA_def_property_update(prop, 0, "rna_userdef_gl_use_16bit_textures");
 
+	prop = RNA_def_property(srna, "use_gpu_mipmap", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "use_gpu_mipmap", 1);
+	RNA_def_property_ui_text(prop, "GPU Mipmap Generation", "Generate Image Mipmaps on the GPU");
+	RNA_def_property_update(prop, 0, "rna_userdef_gl_gpu_mipmaps");
+
 	prop = RNA_def_property(srna, "use_vertex_buffer_objects", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_negative_sdna(prop, NULL, "gameflags", USER_DISABLE_VBO);
 	RNA_def_property_ui_text(prop, "VBOs",

Modified: trunk/blender/source/blender/windowmanager/intern/wm_init_exit.c
===================================================================
--- trunk/blender/source/blender/windowmanager/intern/wm_init_exit.c	2012-06-11 15:28:45 UTC (rev 47746)
+++ trunk/blender/source/blender/windowmanager/intern/wm_init_exit.c	2012-06-11 16:23:10 UTC (rev 47747)
@@ -178,7 +178,8 @@
 		GPU_extensions_init();
 		GPU_set_mipmap(!(U.gameflags & USER_DISABLE_MIPMAP));
 		GPU_set_anisotropic(U.anisotropic_filter);
-	
+		GPU_set_gpu_mipmapping(U.use_gpu_mipmap);
+
 		UI_init();
 	}
 	




More information about the Bf-blender-cvs mailing list