[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [39636] trunk/blender: glsl and render support for derivative maps
Morten Mikkelsen
mikkelsen7 at gmail.com
Mon Aug 22 21:57:55 CEST 2011
Revision: 39636
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=39636
Author: mmikkelsen
Date: 2011-08-22 19:57:54 +0000 (Mon, 22 Aug 2011)
Log Message:
-----------
glsl and render support for derivative maps
Modified Paths:
--------------
trunk/blender/release/scripts/startup/bl_ui/properties_texture.py
trunk/blender/source/blender/gpu/intern/gpu_material.c
trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl
trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl.c
trunk/blender/source/blender/makesdna/DNA_texture_types.h
trunk/blender/source/blender/makesrna/intern/rna_texture.c
trunk/blender/source/blender/render/intern/source/render_texture.c
Modified: trunk/blender/release/scripts/startup/bl_ui/properties_texture.py
===================================================================
--- trunk/blender/release/scripts/startup/bl_ui/properties_texture.py 2011-08-22 19:43:07 UTC (rev 39635)
+++ trunk/blender/release/scripts/startup/bl_ui/properties_texture.py 2011-08-22 19:57:54 UTC (rev 39636)
@@ -414,6 +414,10 @@
row = col.row()
row.active = tex.use_normal_map
row.prop(slot, "normal_map_space", text="")
+
+ row = col.row()
+ row.active = not tex.use_normal_map
+ row.prop(tex, "use_derivative_map")
col.prop(tex, "use_mipmap")
row = col.row()
@@ -1025,12 +1029,14 @@
# only show bump settings if activated but not for normalmap images
row = layout.row()
- row.active = (tex.use_map_normal or tex.use_map_warp) and not (tex.texture.type == 'IMAGE' and tex.texture.use_normal_map)
+
+ sub = row.row()
+ sub.active = (tex.use_map_normal or tex.use_map_warp) and not (tex.texture.type == 'IMAGE' and (tex.texture.use_normal_map or tex.texture.use_derivative_map))
+ sub.prop(tex, "bump_method", text="Method")
- row.prop(tex, "bump_method", text="Method")
-
+ # the space setting is supported for: derivmaps + bumpmaps (DEFAULT,BEST_QUALITY), not for normalmaps
sub = row.row()
- sub.active = tex.bump_method in {'BUMP_DEFAULT', 'BUMP_BEST_QUALITY'}
+ sub.active = (tex.use_map_normal or tex.use_map_warp) and not (tex.texture.type == 'IMAGE' and tex.texture.use_normal_map) and ((tex.bump_method in {'BUMP_DEFAULT', 'BUMP_BEST_QUALITY'}) or (tex.texture.type == 'IMAGE' and tex.texture.use_derivative_map))
sub.prop(tex, "bump_objectspace", text="Space")
Modified: trunk/blender/source/blender/gpu/intern/gpu_material.c
===================================================================
--- trunk/blender/source/blender/gpu/intern/gpu_material.c 2011-08-22 19:43:07 UTC (rev 39635)
+++ trunk/blender/source/blender/gpu/intern/gpu_material.c 2011-08-22 19:57:54 UTC (rev 39636)
@@ -906,6 +906,7 @@
int init_done = 0, iBumpSpacePrev;
GPUNodeLink *vNorg, *vNacc, *fPrevMagnitude;
int iFirstTimeNMap=1;
+ int found_deriv_map = 0;
GPU_link(mat, "set_value", GPU_uniform(&one), &stencil);
@@ -1043,6 +1044,8 @@
if(!(mat->scene->gm.flag & GAME_GLSL_NO_EXTRA_TEX) && (mtex->mapto & MAP_NORM)) {
if(tex->type==TEX_IMAGE) {
+ found_deriv_map = tex->imaflag & TEX_DERIVATIVEMAP;
+
if(tex->imaflag & TEX_NORMALMAP) {
/* normalmap image */
GPU_link(mat, "mtex_normal", texco, GPU_image(tex->ima, &tex->iuser), &tnor );
@@ -1082,9 +1085,10 @@
GPU_link(mat, "mtex_blend_normal", tnorfac, shi->vn, newnor, &shi->vn);
}
- } else if( mtex->texflag & (MTEX_3TAP_BUMP|MTEX_5TAP_BUMP)) {
+ } else if( (mtex->texflag & (MTEX_3TAP_BUMP|MTEX_5TAP_BUMP)) || found_deriv_map) {
/* ntap bumpmap image */
int iBumpSpace;
+ float ima_x, ima_y;
float hScale = 0.1f; // compatibility adjustment factor for all bumpspace types
float hScaleTex = 13.0f; // factor for scaling texspace bumps
@@ -1142,9 +1146,24 @@
iBumpSpacePrev = iBumpSpace;
}
+
+ // resolve texture resolution
+ if( (mtex->texflag & MTEX_BUMP_TEXTURESPACE) || found_deriv_map ) {
+ ImBuf *ibuf= BKE_image_get_ibuf(tex->ima, &tex->iuser);
+ ima_x= 512.0f; ima_y= 512.f; // prevent calling textureSize, glsl 1.3 only
+ if(ibuf) {
+ ima_x= ibuf->x;
+ ima_y= ibuf->y;
+ }
+ }
- if( mtex->texflag & MTEX_3TAP_BUMP )
+ if(found_deriv_map) {
+ GPU_link( mat, "mtex_bump_deriv",
+ texco, GPU_image(tex->ima, &tex->iuser), GPU_uniform(&ima_x), GPU_uniform(&ima_y), tnorfac,
+ &dBs, &dBt );
+ }
+ else if( mtex->texflag & MTEX_3TAP_BUMP )
GPU_link( mat, "mtex_bump_tap3",
texco, GPU_image(tex->ima, &tex->iuser), tnorfac,
&dBs, &dBt );
@@ -1155,12 +1174,6 @@
if( mtex->texflag & MTEX_BUMP_TEXTURESPACE ) {
- float ima_x= 512.0f, ima_y= 512.f; // prevent calling textureSize, glsl 1.3 only
- ImBuf *ibuf= BKE_image_get_ibuf(tex->ima, &tex->iuser);
- if(ibuf) {
- ima_x= ibuf->x;
- ima_y= ibuf->y;
- }
GPU_link( mat, "mtex_bump_apply_texspace",
fDet, dBs, dBt, vR1, vR2,
Modified: trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl
===================================================================
--- trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl 2011-08-22 19:43:07 UTC (rev 39635)
+++ trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl 2011-08-22 19:57:54 UTC (rev 39636)
@@ -1226,6 +1226,22 @@
dBt = hScale * (Hu - Hd);
}
+void mtex_bump_deriv( vec3 texco, sampler2D ima, float ima_x, float ima_y, float hScale,
+ out float dBs, out float dBt )
+{
+ float s = 1; // negate this if flipped texture coordinate
+ vec2 TexDx = dFdx(texco.xy);
+ vec2 TexDy = dFdy(texco.xy);
+
+ // this variant using a derivative map is described here
+ // http://mmikkelsen3d.blogspot.com/2011/07/derivative-maps.html
+ vec2 dim = vec2(ima_x, ima_y);
+ vec2 dBduv = hScale*dim*(2*texture2D(ima, texco.xy).xy-1);
+
+ dBs = dBduv.x*TexDx.x + s*dBduv.y*TexDx.y;
+ dBt = dBduv.x*TexDy.x + s*dBduv.y*TexDy.y;
+}
+
void mtex_bump_apply( float fDet, float dBs, float dBt, vec3 vR1, vec3 vR2, vec3 vNacc_in,
out vec3 vNacc_out, out vec3 perturbed_norm )
{
Modified: trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl.c
===================================================================
--- trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl.c 2011-08-22 19:43:07 UTC (rev 39635)
+++ trunk/blender/source/blender/gpu/intern/gpu_shader_material.glsl.c 2011-08-22 19:57:54 UTC (rev 39636)
@@ -1,6 +1,6 @@
/* DataToC output of file <gpu_shader_material_glsl> */
-int datatoc_gpu_shader_material_glsl_size= 39207;
+int datatoc_gpu_shader_material_glsl_size= 39783;
char datatoc_gpu_shader_material_glsl[]= {
10,102,108,111, 97,116, 32,
101,120,112, 95, 98,108,101,110,100,101,114, 40,102,108,111, 97,116, 32,102, 41, 10,123, 10, 9,114,101,116,117,114,110, 32,112,
@@ -838,6 +838,24 @@
119, 40, 32,116,101,120,116,117,114,101, 50, 68, 40,105,109, 97, 44, 32, 83, 84,117, 41, 44, 32, 72,117, 32, 41, 59, 10, 9, 10,
9,100, 66,115, 32, 61, 32,104, 83, 99, 97,108,101, 32, 42, 32, 40, 72,114, 32, 45, 32, 72,108, 41, 59, 10, 9,100, 66,116, 32,
61, 32,104, 83, 99, 97,108,101, 32, 42, 32, 40, 72,117, 32, 45, 32, 72,100, 41, 59, 10,125, 10, 10,118,111,105,100, 32,109,116,
+101,120, 95, 98,117,109,112, 95,100,101,114,105,118, 40, 32,118,101, 99, 51, 32,116,101,120, 99,111, 44, 32,115, 97,109,112,108,
+101,114, 50, 68, 32,105,109, 97, 44, 32,102,108,111, 97,116, 32,105,109, 97, 95,120, 44, 32,102,108,111, 97,116, 32,105,109, 97,
+ 95,121, 44, 32,102,108,111, 97,116, 32,104, 83, 99, 97,108,101, 44, 32, 10, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+ 32, 32, 32, 32, 32, 32, 32, 32,111,117,116, 32,102,108,111, 97,116, 32,100, 66,115, 44, 32,111,117,116, 32,102,108,111, 97,116,
+ 32,100, 66,116, 32, 41, 32, 10,123, 10, 9,102,108,111, 97,116, 32,115, 32, 61, 32, 49, 59, 9, 9, 47, 47, 32,110,101,103, 97,
+116,101, 32,116,104,105,115, 32,105,102, 32,102,108,105,112,112,101,100, 32,116,101,120,116,117,114,101, 32, 99,111,111,114,100,
+105,110, 97,116,101, 10, 9,118,101, 99, 50, 32, 84,101,120, 68,120, 32, 61, 32,100, 70,100,120, 40,116,101,120, 99,111, 46,120,
+121, 41, 59, 10, 9,118,101, 99, 50, 32, 84,101,120, 68,121, 32, 61, 32,100, 70,100,121, 40,116,101,120, 99,111, 46,120,121, 41,
+ 59, 10, 9, 10, 9, 47, 47, 32,116,104,105,115, 32,118, 97,114,105, 97,110,116, 32,117,115,105,110,103, 32, 97, 32,100,101,114,
+105,118, 97,116,105,118,101, 32,109, 97,112, 32,105,115, 32,100,101,115, 99,114,105, 98,101,100, 32,104,101,114,101, 10, 9, 47,
+ 47, 32,104,116,116,112, 58, 47, 47,109,109,105,107,107,101,108,115,101,110, 51,100, 46, 98,108,111,103,115,112,111,116, 46, 99,
+111,109, 47, 50, 48, 49, 49, 47, 48, 55, 47,100,101,114,105,118, 97,116,105,118,101, 45,109, 97,112,115, 46,104,116,109,108, 10,
+ 9,118,101, 99, 50, 32,100,105,109, 32, 61, 32,118,101, 99, 50, 40,105,109, 97, 95,120, 44, 32,105,109, 97, 95,121, 41, 59, 10,
+ 9,118,101, 99, 50, 32,100, 66,100,117,118, 32, 61, 32,104, 83, 99, 97,108,101, 42,100,105,109, 42, 40, 50, 42,116,101,120,116,
+117,114,101, 50, 68, 40,105,109, 97, 44, 32,116,101,120, 99,111, 46,120,121, 41, 46,120,121, 45, 49, 41, 59, 10, 9, 10, 9,100,
+ 66,115, 32, 61, 32,100, 66,100,117,118, 46,120, 42, 84,101,120, 68,120, 46,120, 32, 43, 32,115, 42,100, 66,100,117,118, 46,121,
+ 42, 84,101,120, 68,120, 46,121, 59, 10, 9,100, 66,116, 32, 61, 32,100, 66,100,117,118, 46,120, 42, 84,101,120, 68,121, 46,120,
+ 32, 43, 32,115, 42,100, 66,100,117,118, 46,121, 42, 84,101,120, 68,121, 46,121, 59, 10,125, 10, 10,118,111,105,100, 32,109,116,
101,120, 95, 98,117,109,112, 95, 97,112,112,108,121, 40, 32,102,108,111, 97,116, 32,102, 68,101,116, 44, 32,102,108,111, 97,116,
32,100, 66,115, 44, 32,102,108,111, 97,116, 32,100, 66,116, 44, 32,118,101, 99, 51, 32,118, 82, 49, 44, 32,118,101, 99, 51, 32,
118, 82, 50, 44, 32,118,101, 99, 51, 32,118, 78, 97, 99, 99, 95,105,110, 44, 10, 9, 9, 9, 9, 9, 32, 32,111,117,116, 32,118,
Modified: trunk/blender/source/blender/makesdna/DNA_texture_types.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_texture_types.h 2011-08-22 19:43:07 UTC (rev 39635)
+++ trunk/blender/source/blender/makesdna/DNA_texture_types.h 2011-08-22 19:57:54 UTC (rev 39636)
@@ -342,6 +342,7 @@
#define TEX_NORMALMAP 2048
#define TEX_GAUSS_MIP 4096
#define TEX_FILTER_MIN 8192
+#define TEX_DERIVATIVEMAP 16384
/* texfilter */
// TXF_BOX -> blender's old texture filtering method
Modified: trunk/blender/source/blender/makesrna/intern/rna_texture.c
===================================================================
@@ Diff output truncated at 10240 characters. @@
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