diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_screen.c | 1 | ||||
| -rw-r--r-- | src/gallium/docs/source/screen.rst | 1 | ||||
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 8 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_defines.h | 1 |
4 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c index ba99ec0615d..bf5b9daad7e 100644 --- a/src/gallium/auxiliary/util/u_screen.c +++ b/src/gallium/auxiliary/util/u_screen.c @@ -341,6 +341,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen, case PIPE_CAP_ATOMIC_FLOAT_MINMAX: case PIPE_CAP_SHADER_SAMPLES_IDENTICAL: case PIPE_CAP_TGSI_ATOMINC_WRAP: + case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE: return 0; case PIPE_CAP_MAX_GS_INVOCATIONS: diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 9acab6fafc5..1c402b03391 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -558,6 +558,7 @@ The integer capabilities: * ``PIPE_CAP_GL_SPIRV``: True if the driver supports ARB_gl_spirv extension. * ``PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS``: True if the driver supports Variable Pointers in SPIR-V shaders. * ``PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION``: True if driver supports demote keyword in GLSL programs. +* ``PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE``: True if driver wants the TG4 component encoded in sampler swizzle rather than as a separate source. .. _pipe_capf: diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index d58b23f024b..e053e821ecd 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -962,14 +962,22 @@ XXX doesn't look like most of the opcodes really belong here. require another CAP is hw can do it natively. For now we lower that before TGSI. + PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE changes the encoding so that component + is stored in the sampler source swizzle x. + .. math:: coord = src0 + (without TGSI_TG4_COMPONENT_IN_SWIZZLE) component = src1 dst = texture\_gather4 (unit, coord, component) + (with TGSI_TG4_COMPONENT_IN_SWIZZLE) + dst = texture\_gather4 (unit, coord) + component is encoded in sampler swizzle. + (with SM5 - cube array shadow) .. math:: diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 564f37dd1b5..6657271cbf6 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -903,6 +903,7 @@ enum pipe_cap PIPE_CAP_GL_SPIRV, PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS, PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION, + PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE, }; /** |