diff options
| author | Francisco Jerez <[email protected]> | 2016-07-19 20:30:24 -0700 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2016-08-24 13:28:31 -0700 |
| commit | 2018371692d9ea57805989b0390b833e785881bf (patch) | |
| tree | 3fde19bc0d74c3e2c80b84972b722f0a69ca9716 /src | |
| parent | 711213fb7226f25a7da4962aa7526d7265d38356 (diff) | |
glsl: Keep track of the set of fragment outputs read by a GL program.
This is the set of shader outputs whose initial value is provided to
the shader by some external means when the shader is executed, rather
than computed by the shader itself.
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/glsl/ir_set_program_inouts.cpp | 3 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/compiler/glsl/ir_set_program_inouts.cpp b/src/compiler/glsl/ir_set_program_inouts.cpp index a6475b519e4..fcfbcd48c93 100644 --- a/src/compiler/glsl/ir_set_program_inouts.cpp +++ b/src/compiler/glsl/ir_set_program_inouts.cpp @@ -139,6 +139,8 @@ mark(struct gl_program *prog, ir_variable *var, int offset, int len, prog->PatchOutputsWritten |= bitfield; else if (!var->data.read_only) prog->OutputsWritten |= bitfield; + if (var->data.fb_fetch_output) + prog->OutputsRead |= bitfield; } } } @@ -444,6 +446,7 @@ do_set_program_inouts(exec_list *instructions, struct gl_program *prog, prog->InputsRead = 0; prog->OutputsWritten = 0; + prog->OutputsRead = 0; prog->PatchInputsRead = 0; prog->PatchOutputsWritten = 0; prog->SystemValuesRead = 0; diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 965de5dc8b4..d0ceda9ed25 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1907,6 +1907,7 @@ struct gl_program GLbitfield64 InputsRead; /**< Bitmask of which input regs are read */ GLbitfield64 DoubleInputsRead; /**< Bitmask of which input regs are read and are doubles */ GLbitfield64 OutputsWritten; /**< Bitmask of which output regs are written */ + GLbitfield64 OutputsRead; /**< Bitmask of which output regs are read */ GLbitfield PatchInputsRead; /**< VAR[0..31] usage for patch inputs (user-defined only) */ GLbitfield PatchOutputsWritten; /**< VAR[0..31] usage for patch outputs (user-defined only) */ GLbitfield SystemValuesRead; /**< Bitmask of SYSTEM_VALUE_x inputs used */ |