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This commit is contained in:
SamGondelman 2019-07-03 10:41:10 -07:00
parent 68d2f9581f
commit 981311778c
1 changed files with 9 additions and 0 deletions
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9
cmake/macros/AutoScribeShader.cmake
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@ -147,7 +147,12 @@ macro(AUTOSCRIBE_SHADER)
MATH(EXPR SHADER_COUNT "${SHADER_COUNT}+1")
endmacro()
# This function takes in the list of defines, which would look like:
# (normalmap;translucent:f)/shadow;deformed:v
# and handles parentheses and slashes, producing the semicolon-separated final list of all combinations, which in that case will look like:
# normalmap;translucent:f;normalmap_translucent:f;shadow;normalmap_deformed:v;translucent:f_deformed:v;normalmap_translucent:f_deformed:v;shadow_deformed:v
function(GENERATE_DEFINES_LIST_HELPER INPUT_LIST RETURN_LIST)
# This while loop handles parentheses, looking for matching ( and ) and then calling GENERATE_DEFINES_LIST_HELPER recursively on the text in between
string(LENGTH "${INPUT_LIST}" STR_LENGTH)
set(OPEN_INDEX -1)
set(STR_INDEX 0)
@ -183,6 +188,7 @@ function(GENERATE_DEFINES_LIST_HELPER INPUT_LIST RETURN_LIST)
MATH(EXPR STR_INDEX "${STR_INDEX}+1")
endwhile()
# Here we handle the base case, the recursive case, and slashes
list(LENGTH INPUT_LIST NUM_DEFINES)
if (NUM_DEFINES EQUAL 1)
string(REPLACE "/" ";" INPUT_LIST "${INPUT_LIST}")
@ -301,6 +307,9 @@ macro(AUTOSCRIBE_SHADER_LIB)
foreach(DEFINES ${DEFINES_LIST})
set(ORIG_DEFINES "${DEFINES}")
# Below here we handle :v and :f. The program name includes both, but the vertex and fragment names
# remove the elements with :f and :v respectively, and only have to call AUTOSCRIBE_SHADER if they don't have those
# (because the shaders without them will have already been generated)
string(REPLACE ":v" "" VERTEX_DEFINES "${ORIG_DEFINES}")
string(FIND "${ORIG_DEFINES}" ":f" HAS_FRAGMENT)
if (HAS_FRAGMENT EQUAL -1)