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Front-end: Implement 2nd task of issue #400; precision of result and operation.

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From the ES spec + Bugzilla 15931 and GL_KHR_vulkan_glsl:
- Update precision qualifiers for all built-in function prototypes.
- Implement the new algorithm used to distinguish built-in function
  operation precisions from result precisions.
Also add tracking of separate result and operation precisions, and
use that in generating SPIR-V.
(SPIR-V cares about precision of operation, while the front-end
cares about precision of result, for propagation.)
This commit is contained in:
John Kessenich
2016-08-01 19:44:00 -06:00
parent 6c136223ed
commit f6640761c4
18 changed files with 408 additions and 308 deletions
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12
Test/baseResults/310.comp.out
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@@ -122,7 +122,7 @@ ERROR: node is still EOpNull!
0:61 2 (const int)
0:61 Constant:
0:61 4.700000
0:62 array length (temp highp int)
0:62 array length (temp int)
0:62 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of highp float)
0:62 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer highp int value, layout(column_major shared ) buffer implicitly-sized array of highp float values})
0:62 Constant:
@@ -178,9 +178,9 @@ ERROR: node is still EOpNull!
0:92 0 (const int)
0:92 0 (const int)
0:92 0 (const int)
0:93 imageLoad (global highp 4-component vector of float)
0:93 imageLoad (global mediump 4-component vector of float)
0:93 'img2Drgba' (layout(rgba32f ) readonly uniform mediump image2D)
0:93 Construct ivec2 (temp highp 2-component vector of int)
0:93 Construct ivec2 (temp mediump 2-component vector of int)
0:93 'i' (temp highp int)
0:93 'i' (temp highp int)
0:94 imageLoad (global highp 4-component vector of int)
@@ -549,7 +549,7 @@ ERROR: node is still EOpNull!
0:61 2 (const int)
0:61 Constant:
0:61 4.700000
0:62 array length (temp highp int)
0:62 array length (temp int)
0:62 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of highp float)
0:62 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer highp int value, layout(column_major shared ) buffer implicitly-sized array of highp float values})
0:62 Constant:
@@ -605,9 +605,9 @@ ERROR: node is still EOpNull!
0:92 0 (const int)
0:92 0 (const int)
0:92 0 (const int)
0:93 imageLoad (global highp 4-component vector of float)
0:93 imageLoad (global mediump 4-component vector of float)
0:93 'img2Drgba' (layout(rgba32f ) readonly uniform mediump image2D)
0:93 Construct ivec2 (temp highp 2-component vector of int)
0:93 Construct ivec2 (temp mediump 2-component vector of int)
0:93 'i' (temp highp int)
0:93 'i' (temp highp int)
0:94 imageLoad (global highp 4-component vector of int)