[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [51948] trunk/blender/source/blender: Fixes related to #33087:
Brecht Van Lommel
brechtvanlommel at pandora.be
Tue Nov 6 20:58:49 CET 2012
Revision: 51948
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=51948
Author: blendix
Date: 2012-11-06 19:58:48 +0000 (Tue, 06 Nov 2012)
Log Message:
-----------
Fixes related to #33087:
* Fix GLSL memory leak in the (vector) math node.
* Fix GLSL math node pow behavior for negative values, same as was done for C.
Modified Paths:
--------------
trunk/blender/source/blender/gpu/GPU_material.h
trunk/blender/source/blender/gpu/intern/gpu_codegen.c
trunk/blender/source/blender/gpu/shaders/gpu_shader_material.glsl
trunk/blender/source/blender/nodes/shader/nodes/node_shader_math.c
trunk/blender/source/blender/nodes/shader/nodes/node_shader_vectMath.c
Modified: trunk/blender/source/blender/gpu/GPU_material.h
===================================================================
--- trunk/blender/source/blender/gpu/GPU_material.h 2012-11-06 19:26:45 UTC (rev 51947)
+++ trunk/blender/source/blender/gpu/GPU_material.h 2012-11-06 19:58:48 UTC (rev 51948)
@@ -110,7 +110,6 @@
GPUNodeLink *GPU_image(struct Image *ima, struct ImageUser *iuser, int isdata);
GPUNodeLink *GPU_texture(int size, float *pixels);
GPUNodeLink *GPU_dynamic_texture(struct GPUTexture *tex, int dynamictype, void *data);
-GPUNodeLink *GPU_socket(GPUNodeStack *sock);
GPUNodeLink *GPU_builtin(GPUBuiltin builtin);
int GPU_link(GPUMaterial *mat, const char *name, ...);
Modified: trunk/blender/source/blender/gpu/intern/gpu_codegen.c
===================================================================
--- trunk/blender/source/blender/gpu/intern/gpu_codegen.c 2012-11-06 19:26:45 UTC (rev 51947)
+++ trunk/blender/source/blender/gpu/intern/gpu_codegen.c 2012-11-06 19:58:48 UTC (rev 51948)
@@ -1148,15 +1148,6 @@
return link;
}
-GPUNodeLink *GPU_socket(GPUNodeStack *sock)
-{
- GPUNodeLink *link = GPU_node_link_create(0);
-
- link->socket= sock;
-
- return link;
-}
-
GPUNodeLink *GPU_builtin(GPUBuiltin builtin)
{
GPUNodeLink *link = GPU_node_link_create(0);
Modified: trunk/blender/source/blender/gpu/shaders/gpu_shader_material.glsl
===================================================================
--- trunk/blender/source/blender/gpu/shaders/gpu_shader_material.glsl 2012-11-06 19:26:45 UTC (rev 51947)
+++ trunk/blender/source/blender/gpu/shaders/gpu_shader_material.glsl 2012-11-06 19:58:48 UTC (rev 51948)
@@ -4,6 +4,21 @@
return pow(2.71828182846, f);
}
+float compatible_pow(float x, float y)
+{
+ /* glsl pow doesn't accept negative x */
+ if(x < 0.0) {
+ if(mod(-y, 2.0) == 0.0)
+ return pow(-x, y);
+ else
+ return -pow(-x, y);
+ }
+ else if(x == 0.0)
+ return 0.0;
+
+ return pow(x, y);
+}
+
void rgb_to_hsv(vec4 rgb, out vec4 outcol)
{
float cmax, cmin, h, s, v, cdelta;
@@ -212,10 +227,17 @@
void math_pow(float val1, float val2, out float outval)
{
- if (val1 >= 0.0)
- outval = pow(val1, val2);
- else
- outval = 0.0;
+ if (val1 >= 0.0) {
+ outval = compatible_pow(val1, val2);
+ }
+ else {
+ float val2_mod_1 = mod(abs(val2), 1.0);
+
+ if (val2_mod_1 > 0.999 || val2_mod_1 < 0.001)
+ outval = compatible_pow(val1, floor(val2 + 0.5));
+ else
+ outval = 0.0;
+ }
}
void math_log(float val1, float val2, out float outval)
Modified: trunk/blender/source/blender/nodes/shader/nodes/node_shader_math.c
===================================================================
--- trunk/blender/source/blender/nodes/shader/nodes/node_shader_math.c 2012-11-06 19:26:45 UTC (rev 51947)
+++ trunk/blender/source/blender/nodes/shader/nodes/node_shader_math.c 2012-11-06 19:58:48 UTC (rev 51948)
@@ -225,8 +225,7 @@
case 13:
case 15:
case 16:
- GPU_stack_link(mat, names[node->custom1], NULL, out,
- GPU_socket(&in[0]), GPU_socket(&in[1]));
+ GPU_stack_link(mat, names[node->custom1], in, out);
break;
case 4:
case 5:
@@ -235,10 +234,16 @@
case 8:
case 9:
case 14:
- if (in[0].hasinput || !in[1].hasinput)
- GPU_stack_link(mat, names[node->custom1], NULL, out, GPU_socket(&in[0]));
- else
- GPU_stack_link(mat, names[node->custom1], NULL, out, GPU_socket(&in[1]));
+ if (in[0].hasinput || !in[1].hasinput) {
+ /* use only first item and terminator */
+ GPUNodeStack tmp_in[2] = {in[0], in[2]};
+ GPU_stack_link(mat, names[node->custom1], tmp_in, out);
+ }
+ else {
+ /* use only second item and terminator */
+ GPUNodeStack tmp_in[2] = {in[1], in[2]};
+ GPU_stack_link(mat, names[node->custom1], tmp_in, out);
+ }
break;
default:
return 0;
Modified: trunk/blender/source/blender/nodes/shader/nodes/node_shader_vectMath.c
===================================================================
--- trunk/blender/source/blender/nodes/shader/nodes/node_shader_vectMath.c 2012-11-06 19:26:45 UTC (rev 51947)
+++ trunk/blender/source/blender/nodes/shader/nodes/node_shader_vectMath.c 2012-11-06 19:58:48 UTC (rev 51948)
@@ -114,14 +114,19 @@
case 2:
case 3:
case 4:
- GPU_stack_link(mat, names[node->custom1], NULL, out,
- GPU_socket(&in[0]), GPU_socket(&in[1]));
+ GPU_stack_link(mat, names[node->custom1], in, out);
break;
case 5:
- if (in[0].hasinput || !in[1].hasinput)
- GPU_stack_link(mat, names[node->custom1], NULL, out, GPU_socket(&in[0]));
- else
- GPU_stack_link(mat, names[node->custom1], NULL, out, GPU_socket(&in[1]));
+ if (in[0].hasinput || !in[1].hasinput) {
+ /* use only first item and terminator */
+ GPUNodeStack tmp_in[2] = {in[0], in[2]};
+ GPU_stack_link(mat, names[node->custom1], tmp_in, out);
+ }
+ else {
+ /* use only second item and terminator */
+ GPUNodeStack tmp_in[2] = {in[1], in[2]};
+ GPU_stack_link(mat, names[node->custom1], tmp_in, out);
+ }
break;
default:
return 0;
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