diff options
| author | Matt Turner <[email protected]> | 2013-12-11 23:07:49 -0800 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2014-01-28 17:47:41 -0800 |
| commit | 39d7ec2c9a1b0213fa64c58fe3e1843119a62904 (patch) | |
| tree | b526f3b5efaedc8f15595197eeda5a2c7a4088a4 | |
| parent | 33034755583edfb7c5b773b8e38a9dfa8d317821 (diff) | |
i965: Add can_do_saturate() method to backend_instruction.
Reviewed-by: Jordan Justen <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_shader.cpp | 44 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_shader.h | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp index 45bf73091b3..6cc259572f6 100644 --- a/src/mesa/drivers/dri/i965/brw_shader.cpp +++ b/src/mesa/drivers/dri/i965/brw_shader.cpp @@ -604,6 +604,50 @@ backend_instruction::can_do_source_mods() } bool +backend_instruction::can_do_saturate() +{ + switch (opcode) { + case BRW_OPCODE_ADD: + case BRW_OPCODE_ASR: + case BRW_OPCODE_AVG: + case BRW_OPCODE_DP2: + case BRW_OPCODE_DP3: + case BRW_OPCODE_DP4: + case BRW_OPCODE_DPH: + case BRW_OPCODE_F16TO32: + case BRW_OPCODE_F32TO16: + case BRW_OPCODE_LINE: + case BRW_OPCODE_LRP: + case BRW_OPCODE_MAC: + case BRW_OPCODE_MACH: + case BRW_OPCODE_MAD: + case BRW_OPCODE_MATH: + case BRW_OPCODE_MOV: + case BRW_OPCODE_MUL: + case BRW_OPCODE_PLN: + case BRW_OPCODE_RNDD: + case BRW_OPCODE_RNDE: + case BRW_OPCODE_RNDU: + case BRW_OPCODE_RNDZ: + case BRW_OPCODE_SEL: + case BRW_OPCODE_SHL: + case BRW_OPCODE_SHR: + case FS_OPCODE_LINTERP: + case SHADER_OPCODE_COS: + case SHADER_OPCODE_EXP2: + case SHADER_OPCODE_LOG2: + case SHADER_OPCODE_POW: + case SHADER_OPCODE_RCP: + case SHADER_OPCODE_RSQ: + case SHADER_OPCODE_SIN: + case SHADER_OPCODE_SQRT: + return true; + default: + return false; + } +} + +bool backend_instruction::has_side_effects() const { switch (opcode) { diff --git a/src/mesa/drivers/dri/i965/brw_shader.h b/src/mesa/drivers/dri/i965/brw_shader.h index 936a2070dc0..c76f33ba5b4 100644 --- a/src/mesa/drivers/dri/i965/brw_shader.h +++ b/src/mesa/drivers/dri/i965/brw_shader.h @@ -45,6 +45,7 @@ public: bool is_math(); bool is_control_flow(); bool can_do_source_mods(); + bool can_do_saturate(); /** * True if the instruction has side effects other than writing to |