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Cycles: amd opencl compatibility fixes.

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This commit is contained in:
Brecht Van Lommel 2011-08-10 14:26:51 +00:00
parent abc601d10e
commit b98ccf6998
5 changed files with 16 additions and 10 deletions
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1
intern/cycles/kernel/kernel.cl
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@ -51,7 +51,6 @@ __kernel void kernel_ocl_path_trace(
int x = sx + get_global_id(0);
int y = sy + get_global_id(1);
int w = kernel_data.cam.width;
if(x < sx + sw && y < sy + sh)
kernel_path_trace(kg, buffer, rng_state, pass, x, y);

4
intern/cycles/kernel/kernel_shader.h
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@ -140,14 +140,18 @@ __device void shader_setup_from_sample(KernelGlobals *kg, ShaderData *sd,
#endif
/* detect instancing, for non-instanced the object index is -object-1 */
#ifdef __INSTANCING__
bool instanced = false;
if(sd->prim != ~0) {
if(sd->object >= 0)
instanced = true;
else
#endif
sd->object = -sd->object-1;
#ifdef __INSTANCING__
}
#endif
/* smooth normal */
if(sd->shader < 0) {

4
intern/cycles/kernel/svm/bsdf_ward.h
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@ -166,9 +166,7 @@ __device int bsdf_ward_sample(const ShaderData *sd, float randu, float randv, fl
h = h.x * X + h.y * Y + h.z * m_N;
// generate the final sample
float oh = dot(h, sd->I);
omega_in->x = 2 * oh * h.x - sd->I.x;
omega_in->y = 2 * oh * h.y - sd->I.y;
omega_in->z = 2 * oh * h.z - sd->I.z;
*omega_in = 2.0f * oh * h - sd->I;
if(dot(sd->Ng, *omega_in) > 0) {
float cosNI = dot(m_N, *omega_in);
if(cosNI > 0) {

11
intern/cycles/kernel/svm/svm_math.h
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@ -21,7 +21,7 @@ CCL_NAMESPACE_BEGIN
__device float safe_asinf(float a)
{
if(a <= -1.0f)
return -M_PI_2;
return -M_PI_2_F;
else if(a >= 1.0f)
return M_PI_2_F;
@ -114,15 +114,20 @@ __device float svm_math(NodeMath type, float Fac1, float Fac2)
return Fac;
}
__device float average_fac(float3 v)
{
return (fabsf(v.x) + fabsf(v.y) + fabsf(v.z))/3.0f;
}
__device void svm_vector_math(float *Fac, float3 *Vector, NodeVectorMath type, float3 Vector1, float3 Vector2)
{
if(type == NODE_VECTOR_MATH_ADD) {
*Vector = Vector1 + Vector2;
*Fac = (fabsf(Vector->x) + fabsf(Vector->y) + fabsf(Vector->z))/3.0f;
*Fac = average_fac(*Vector);
}
else if(type == NODE_VECTOR_MATH_SUBTRACT) {
*Vector = Vector1 - Vector2;
*Fac = (fabsf(Vector->x) + fabsf(Vector->y) + fabsf(Vector->z))/3.0f;
*Fac = average_fac(*Vector);
}
else if(type == NODE_VECTOR_MATH_AVERAGE) {
*Fac = len(Vector1 + Vector2);

6
intern/cycles/kernel/svm/svm_texture.h
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@ -194,15 +194,15 @@ __device float noise_wave(NodeWaveType wave, float a)
return 0.5f + 0.5f*sin(a);
}
else if(wave == NODE_WAVE_SAW) {
float b = 2*M_PI;
float b = 2.0f*M_PI_F;
int n = (int)(a / b);
a -= n*b;
if(a < 0) a += b;
if(a < 0.0f) a += b;
return a / b;
}
else if(wave == NODE_WAVE_TRI) {
float b = 2*M_PI;
float b = 2.0f*M_PI_F;
float rmax = 1.0f;
return rmax - 2.0f*fabsf(floorf((a*(1.0f/b))+0.5f) - (a*(1.0f/b)));