diff options
| author | Thomas Dinges <blender@dingto.org> | 2016-05-12 15:51:42 +0300 |
|---|---|---|
| committer | Thomas Dinges <blender@dingto.org> | 2016-05-12 15:51:42 +0300 |
| commit | 3c85e1ca1a916fe2ded9ab508f4cd55a2ee22549 (patch) | |
| tree | 97d80514ed304f00ca264da319b4861ed879f60d /intern/cycles/kernel/kernel_compat_cpu.h | |
| parent | cde10e774c39bc4359259558abed6263ed15c392 (diff) | |
Cycles: Add support for single channel byte textures.
This way, we also save 3/4th of memory for single channel byte textures (e.g. Bump Maps).
Note: In order for this to work, the texture *must* have 1 channel only.
In Gimp you can e.g. do that via the menu: Image -> Mode -> Grayscale
Diffstat (limited to 'intern/cycles/kernel/kernel_compat_cpu.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_compat_cpu.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/intern/cycles/kernel/kernel_compat_cpu.h b/intern/cycles/kernel/kernel_compat_cpu.h index 7fc8d2b5706..46bef96dc3f 100644 --- a/intern/cycles/kernel/kernel_compat_cpu.h +++ b/intern/cycles/kernel/kernel_compat_cpu.h @@ -109,6 +109,12 @@ template<typename T> struct texture_image { return make_float4(r.x*f, r.y*f, r.z*f, r.w*f); } + ccl_always_inline float4 read(uchar r) + { + float f = r*(1.0f/255.0f); + return make_float4(f, f, f, 1.0); + } + ccl_always_inline float4 read(float r) { /* TODO(dingto): Optimize this, so interpolation @@ -479,6 +485,7 @@ typedef texture<int> texture_int; typedef texture<uint4> texture_uint4; typedef texture<uchar4> texture_uchar4; typedef texture_image<float> texture_image_float; +typedef texture_image<uchar> texture_image_uchar; typedef texture_image<float4> texture_image_float4; typedef texture_image<uchar4> texture_image_uchar4; @@ -490,17 +497,20 @@ typedef texture_image<uchar4> texture_image_uchar4; #define kernel_tex_lookup(tex, t, offset, size) (kg->tex.lookup(t, offset, size)) #define kernel_tex_image_interp(tex, x, y) \ - ((tex >= TEX_IMAGE_FLOAT_START_CPU) ? kg->texture_float_images[tex - TEX_IMAGE_FLOAT_START_CPU].interp(x, y) : \ + ((tex >= TEX_IMAGE_BYTE_START_CPU) ? kg->texture_byte_images[tex - TEX_IMAGE_BYTE_START_CPU].interp(x, y) : \ + (tex >= TEX_IMAGE_FLOAT_START_CPU) ? kg->texture_float_images[tex - TEX_IMAGE_FLOAT_START_CPU].interp(x, y) : \ (tex >= TEX_IMAGE_BYTE4_START_CPU) ? kg->texture_byte4_images[tex - TEX_IMAGE_BYTE4_START_CPU].interp(x, y) : \ kg->texture_float4_images[tex].interp(x, y)) #define kernel_tex_image_interp_3d(tex, x, y, z) \ - ((tex >= TEX_IMAGE_FLOAT_START_CPU) ? kg->texture_float_images[tex - TEX_IMAGE_FLOAT_START_CPU].interp_3d(x, y, z) : \ + ((tex >= TEX_IMAGE_BYTE_START_CPU) ? kg->texture_byte_images[tex - TEX_IMAGE_BYTE_START_CPU].interp_3d(x, y, z) : \ + (tex >= TEX_IMAGE_FLOAT_START_CPU) ? kg->texture_float_images[tex - TEX_IMAGE_FLOAT_START_CPU].interp_3d(x, y, z) : \ (tex >= TEX_IMAGE_BYTE4_START_CPU) ? kg->texture_byte4_images[tex - TEX_IMAGE_BYTE4_START_CPU].interp_3d(x, y, z) : \ kg->texture_float4_images[tex].interp_3d(x, y, z)) #define kernel_tex_image_interp_3d_ex(tex, x, y, z, interpolation) \ - ((tex >= TEX_IMAGE_FLOAT_START_CPU) ? kg->texture_float_images[tex - TEX_IMAGE_FLOAT_START_CPU].interp_3d_ex(x, y, z, interpolation) : \ + ((tex >= TEX_IMAGE_BYTE_START_CPU) ? kg->texture_byte_images[tex - TEX_IMAGE_BYTE_START_CPU].interp_3d_ex(x, y, z, interpolation) : \ + (tex >= TEX_IMAGE_FLOAT_START_CPU) ? kg->texture_float_images[tex - TEX_IMAGE_FLOAT_START_CPU].interp_3d_ex(x, y, z, interpolation) : \ (tex >= TEX_IMAGE_BYTE4_START_CPU) ? kg->texture_byte4_images[tex - TEX_IMAGE_BYTE4_START_CPU].interp_3d_ex(x, y, z, interpolation) : \ kg->texture_float4_images[tex].interp_3d_ex(x, y, z, interpolation)) |