Merge branch 'blender2.7'

Referenced by issue #62772, erase alpha not shown in overlay mode

intern/cycles/blender/blender_curves.cpp

@@ -250,7 +250,7 @@ static bool ObtainCacheParticleUV(Mesh *mesh,
 					BL::Mesh::uv_layers_iterator l;
 					b_mesh->uv_layers.begin(l);
 
-					float3 uv = make_float3(0.0f, 0.0f, 0.0f);
+					float2 uv = make_float2(0.0f, 0.0f);
 					if(b_mesh->uv_layers.length())
 						b_psys.uv_on_emitter(psmd, *b_pa, pa_no, uv_num, &uv.x);
 					CData->curve_uv.push_back_slow(uv);
@@ -752,45 +752,29 @@ static void ExportCurveSegmentsMotion(Mesh *mesh, ParticleCurveData *CData, int
 static void ExportCurveTriangleUV(ParticleCurveData *CData,
                                   int vert_offset,
                                   int resol,
-                                  float3 *uvdata)
+                                  float2 *uvdata)
 {
 	if(uvdata == NULL)
 		return;
-
-	float time = 0.0f;
-	float prevtime = 0.0f;
-
 	int vertexindex = vert_offset;
 
 	for(int sys = 0; sys < CData->psys_firstcurve.size(); sys++) {
 		for(int curve = CData->psys_firstcurve[sys]; curve < CData->psys_firstcurve[sys] + CData->psys_curvenum[sys]; curve++) {
 			for(int curvekey = CData->curve_firstkey[curve]; curvekey < CData->curve_firstkey[curve] + CData->curve_keynum[curve] - 1; curvekey++) {
-				const float curve_time = CData->curvekey_time[curvekey];
-				const float curve_length = CData->curve_length[curve];
-				time = (curve_length > 0.0f) ? curve_time / curve_length : 0.0f;
-
 				for(int section = 0; section < resol; section++) {
 					uvdata[vertexindex] = CData->curve_uv[curve];
-					uvdata[vertexindex].z = prevtime;
 					vertexindex++;
 					uvdata[vertexindex] = CData->curve_uv[curve];
-					uvdata[vertexindex].z = time;
 					vertexindex++;
 					uvdata[vertexindex] = CData->curve_uv[curve];
-					uvdata[vertexindex].z = prevtime;
 					vertexindex++;
 					uvdata[vertexindex] = CData->curve_uv[curve];
-					uvdata[vertexindex].z = time;
 					vertexindex++;
 					uvdata[vertexindex] = CData->curve_uv[curve];
-					uvdata[vertexindex].z = prevtime;
 					vertexindex++;
 					uvdata[vertexindex] = CData->curve_uv[curve];
-					uvdata[vertexindex].z = time;
 					vertexindex++;
 				}
-
-				prevtime = time;
 			}
 		}
 	}
@@ -1063,9 +1047,9 @@ void BlenderSync::sync_curves(Mesh *mesh,
 					if(active_render)
 						attr_uv = mesh->attributes.add(std, name);
 					else
-						attr_uv = mesh->attributes.add(name, TypeDesc::TypePoint, ATTR_ELEMENT_CORNER);
+						attr_uv = mesh->attributes.add(name, TypeFloat2, ATTR_ELEMENT_CORNER);
 
-					float3 *uv = attr_uv->data_float3();
+					float2 *uv = attr_uv->data_float2();
 
 					ExportCurveTriangleUV(&CData, tri_num * 3, used_res, uv);
 				}
@@ -1073,9 +1057,9 @@ void BlenderSync::sync_curves(Mesh *mesh,
 					if(active_render)
 						attr_uv = mesh->curve_attributes.add(std, name);
 					else
-						attr_uv = mesh->curve_attributes.add(name, TypeDesc::TypePoint,  ATTR_ELEMENT_CURVE);
+						attr_uv = mesh->curve_attributes.add(name, TypeFloat2,  ATTR_ELEMENT_CURVE);
 
-					float3 *uv = attr_uv->data_float3();
+					float2 *uv = attr_uv->data_float2();
 
 					if(uv) {
 						size_t i = 0;

intern/cycles/kernel/kernel_compat_opencl.h

@@ -125,7 +125,9 @@
 #define fmodf(x, y) fmod((float)(x), (float)(y))
 #define sinhf(x) sinh(((float)(x)))
 
-#if !(defined(__KERNEL_OPENCL_AMD__) || defined(__KERNEL_OPENCL_INTEL_CPU__))
+/* Use native functions with possibly lower precision for performance,
+ * no issues found so far. */
+#if 1
 #  define sinf(x) native_sin(((float)(x)))
 #  define cosf(x) native_cos(((float)(x)))
 #  define tanf(x) native_tan(((float)(x)))
@@ -140,7 +142,7 @@
 #  define expf(x) exp(((float)(x)))
 #  define sqrtf(x) sqrt(((float)(x)))
 #  define logf(x) log(((float)(x)))
-#  define rcp(x)  recip(x))
+#  define rcp(x)  recip(x)
 #endif
 
 /* data lookup defines */

intern/cycles/kernel/kernel_emission.h

@@ -318,7 +318,7 @@ ccl_device_noinline float3 indirect_background(KernelGlobals *kg,
 #  endif
 
 		path_state_modify_bounce(state, true);
-		shader_eval_surface(kg, emission_sd, state, PATH_RAY_EMISSION);
+		shader_eval_surface(kg, emission_sd, state, state->flag | PATH_RAY_EMISSION);
 		path_state_modify_bounce(state, false);
 
 		L = shader_background_eval(emission_sd);

intern/cycles/render/curves.h

@@ -75,7 +75,7 @@ public:
 	array<int> curve_firstkey;
 	array<int> curve_keynum;
 	array<float> curve_length;
-	array<float3> curve_uv;
+	array<float2> curve_uv;
 	array<float3> curve_vcol;
 
 	array<float3> curvekey_co;

intern/cycles/render/light.cpp

@@ -192,7 +192,7 @@ bool LightManager::has_background_light(Scene *scene)
 	return false;
 }
 
-void LightManager::disable_ineffective_light(Device * /*device*/, Scene *scene)
+void LightManager::disable_ineffective_light(Scene *scene)
 {
 	/* Make all lights enabled by default, and perform some preliminary checks
 	 * needed for finer-tuning of settings (for example, check whether we've
@@ -880,7 +880,7 @@ void LightManager::device_update(Device *device, DeviceScene *dscene, Scene *sce
 
 	use_light_visibility = false;
 
-	disable_ineffective_light(device, scene);
+	disable_ineffective_light(scene);
 
 	device_update_points(device, dscene, scene);
 	if(progress.get_cancel()) return;

intern/cycles/render/light.h

@@ -110,7 +110,7 @@ protected:
 	 * which doesn't contribute to the scene or which is only used for MIS
 	 * and scene doesn't need MIS.
 	 */
-	void disable_ineffective_light(Device *device, Scene *scene);
+	void disable_ineffective_light(Scene *scene);
 
 	void device_update_points(Device *device,
 	                          DeviceScene *dscene,