diff options
| author | Daniel Sabo <DanielSabo@gmail.com> | 2013-11-02 21:28:38 -0700 |
|---|---|---|
| committer | Daniel Sabo <DanielSabo@gmail.com> | 2013-11-02 22:23:01 -0700 |
| commit | 6b00f791a1ec2a94c232a553020fe3a68500fec8 (patch) | |
| tree | 284906a91553bb8300b53d198bb173f010e4d582 /opencl | |
| parent | e90df9bc4d11087c6089746fd22739a71912d71d (diff) | |
colors.cl: Add some conversions
Diffstat (limited to 'opencl')
| -rw-r--r-- | opencl/colors.cl | 43 | ||||
| -rw-r--r-- | opencl/colors.cl.h | 43 |
2 files changed, 86 insertions, 0 deletions
diff --git a/opencl/colors.cl b/opencl/colors.cl index 9448a6d5..2f74d66d 100644 --- a/opencl/colors.cl +++ b/opencl/colors.cl @@ -176,6 +176,34 @@ __kernel void ragabaf_to_rgb_gamma_u8 (__global const float4 * in, #endif } +/* -- R'G'B' float -- */ + +/* R'G'B' float -> RGBA float */ +__kernel void rgb_gamma_f_to_rgbaf (__global const float * in, + __global float4 * out) +{ + int gid = get_global_id(0); + float4 out_v; + +#if (__OPENCL_VERSION__ != CL_VERSION_1_0) + float3 in_v; + in_v = vload3 (gid, in); + out_v = (float4)(gamma_2_2_to_linear(in_v.x), + gamma_2_2_to_linear(in_v.y), + gamma_2_2_to_linear(in_v.z), + 1.0f); +#else + float r = in[3 * gid + 0]; + float g = in[3 * gid + 1]; + float b = in[3 * gid + 2]; + out_v = (float4)(gamma_2_2_to_linear(r), + gamma_2_2_to_linear(g), + gamma_2_2_to_linear(b), + 1.0f); +#endif + out[gid] = out_v; +} + /* -- R'G'B'A float -- */ /* rgba float -> r'g'b'a float */ @@ -409,6 +437,21 @@ __kernel void rgbaf_to_yaf (__global const float4 * in, out[gid] = out_v; } +/* RaGaBaA float -> YA float */ +__kernel void ragabaf_to_yaf (__global const float4 * in, + __global float2 * out) +{ + int gid = get_global_id(0); + float4 in_v = in[gid]; + float4 tmp_v = in_v / (float4) (in_v.w); + + float luminance = tmp_v.x * RGB_LUMINANCE_RED + + tmp_v.y * RGB_LUMINANCE_GREEN + + tmp_v.z * RGB_LUMINANCE_BLUE; + + out[gid] = (float2) (luminance, in_v.w); +} + /* YA float -> RGBA float */ __kernel void yaf_to_rgbaf (__global const float2 * in, __global float4 * out) diff --git a/opencl/colors.cl.h b/opencl/colors.cl.h index 43dd1a2f..b5bc65ac 100644 --- a/opencl/colors.cl.h +++ b/opencl/colors.cl.h @@ -177,6 +177,34 @@ static const char* colors_cl_source = "#endif \n" "} \n" " \n" +"/* -- R'G'B' float -- */ \n" +" \n" +"/* R'G'B' float -> RGBA float */ \n" +"__kernel void rgb_gamma_f_to_rgbaf (__global const float * in, \n" +" __global float4 * out) \n" +"{ \n" +" int gid = get_global_id(0); \n" +" float4 out_v; \n" +" \n" +"#if (__OPENCL_VERSION__ != CL_VERSION_1_0) \n" +" float3 in_v; \n" +" in_v = vload3 (gid, in); \n" +" out_v = (float4)(gamma_2_2_to_linear(in_v.x), \n" +" gamma_2_2_to_linear(in_v.y), \n" +" gamma_2_2_to_linear(in_v.z), \n" +" 1.0f); \n" +"#else \n" +" float r = in[3 * gid + 0]; \n" +" float g = in[3 * gid + 1]; \n" +" float b = in[3 * gid + 2]; \n" +" out_v = (float4)(gamma_2_2_to_linear(r), \n" +" gamma_2_2_to_linear(g), \n" +" gamma_2_2_to_linear(b), \n" +" 1.0f); \n" +"#endif \n" +" out[gid] = out_v; \n" +"} \n" +" \n" "/* -- R'G'B'A float -- */ \n" " \n" "/* rgba float -> r'g'b'a float */ \n" @@ -410,6 +438,21 @@ static const char* colors_cl_source = " out[gid] = out_v; \n" "} \n" " \n" +"/* RaGaBaA float -> YA float */ \n" +"__kernel void ragabaf_to_yaf (__global const float4 * in, \n" +" __global float2 * out) \n" +"{ \n" +" int gid = get_global_id(0); \n" +" float4 in_v = in[gid]; \n" +" float4 tmp_v = in_v / (float4) (in_v.w); \n" +" \n" +" float luminance = tmp_v.x * RGB_LUMINANCE_RED + \n" +" tmp_v.y * RGB_LUMINANCE_GREEN + \n" +" tmp_v.z * RGB_LUMINANCE_BLUE; \n" +" \n" +" out[gid] = (float2) (luminance, in_v.w); \n" +"} \n" +" \n" "/* YA float -> RGBA float */ \n" "__kernel void yaf_to_rgbaf (__global const float2 * in, \n" " __global float4 * out) \n" |