GL_ARB_enhanced_layouts, part 4: Numerical side of xfb_*: offset computation, size computation, alias detection, paddings, overflow, implicit strides, gl_Max* checks, etc.
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25014 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich
parent
f359199cc3
commit
c7776ec3fd
@ -192,6 +192,8 @@ const char* DefaultConfig =
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"MaxFragmentAtomicCounterBuffers 1\n"
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"MaxCombinedAtomicCounterBuffers 1\n"
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"MaxAtomicCounterBufferSize 16384\n"
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"MaxTransformFeedbackBuffers 4\n"
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"MaxTransformFeedbackInterleavedComponents 64\n"
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"nonInductiveForLoops 1\n"
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"whileLoops 1\n"
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@ -390,6 +392,10 @@ void ProcessConfigFile()
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Resources.maxCombinedAtomicCounterBuffers = value;
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else if (strcmp(token, "MaxAtomicCounterBufferSize") == 0)
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Resources.maxAtomicCounterBufferSize = value;
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else if (strcmp(token, "MaxTransformFeedbackBuffers") == 0)
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Resources.maxTransformFeedbackBuffers = value;
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else if (strcmp(token, "MaxTransformFeedbackInterleavedComponents") == 0)
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Resources.maxTransformFeedbackInterleavedComponents = value;
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else if (strcmp(token, "nonInductiveForLoops") == 0)
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Resources.limits.nonInductiveForLoops = (value != 0);
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@ -48,8 +48,8 @@ in vec2 ina; // ERROR, not array
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in vec2 inb[];
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in vec2 inc[18]; // ERROR, wrong size
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in vec2 ind[gl_MaxPatchVertices];
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#extension GL_ARB_separate_shader_objects : enable
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#extension GL_ARB_separate_shader_objects : enable
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layout(location = 3) in vec4 ivla[];
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layout(location = 4) in vec4 ivlb[];
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@ -68,31 +68,94 @@ out bblck1 {
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} bbinst1;
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out bblck2 {
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layout(xfb_offset=16) vec4 bbv;
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layout(xfb_offset=64) vec4 bbv;
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} bbinst2;
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layout(xfb_buffer = 3, xfb_stride = 16) out;
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layout(xfb_buffer = 3, xfb_stride = 64) out; // default buffer is 3
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out bblck3 {
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layout(xfb_offset=16) vec4 bbv;
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layout(xfb_offset=16) vec4 bbv; // in xfb_buffer 3
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} bbinst3;
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uniform ubblck3 {
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layout(xfb_offset=16) vec4 bbv; // ERROR
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layout(xfb_offset=16) vec4 bbv; // ERROR, not in a uniform
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} ubbinst3;
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layout(xfb_buffer=2, xfb_offset=32, xfb_stride=64) out vec4 bg;
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layout(xfb_buffer=2, xfb_offset=48, xfb_stride=80) out vec4 bg;
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layout( xfb_offset=32, xfb_stride=64) out vec4 bh;
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layout(xfb_offset=48) out; // ERROR
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layout(xfb_stride=32, xfb_buffer=2, xfb_offset=16) out bblck4 {
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layout(xfb_stride=80, xfb_buffer=2, xfb_offset=16) out bblck4 {
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vec4 bbv1;
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vec4 bbv2;
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} bbinst4;
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out bblck5 {
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layout(xfb_offset=0) vec4 bbv1;
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layout(xfb_stride=32, xfb_buffer=3, xfb_offset=16) vec4 bbv2;
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layout(xfb_stride=64, xfb_buffer=3, xfb_offset=48) vec4 bbv2;
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layout(xfb_buffer=2) vec4 bbv3; // ERROR, wrong buffer
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} bbinst5;
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out layout(xfb_buffer=2) bblck6 {
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layout(xfb_offset=0) vec4 bbv1;
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layout(xfb_stride=64, xfb_buffer=3, xfb_offset=32) vec4 bbv2; // ERROR, overlap 32 from bh, and buffer contradiction
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layout(xfb_buffer=2, xfb_offset=0) vec4 bbv3; // ERROR, overlap 0 from bbinst5
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layout(xfb_buffer=2) vec4 bbv5;
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layout(xfb_offset=24) float bbf6; // ERROR, overlap 24 from bbv1 in bbinst4
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} bbinst6;
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layout(xfb_stride=48) out; // ERROR, stride of buffer 3
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layout(xfb_buffer=1) out; // default buffer is 1
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layout(xfb_offset=4) out float bj;
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layout(xfb_offset=0) out ivec2 bk; // ERROR, overlap 4
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layout(xfb_buffer=3, xfb_stride=48) out; // ERROR, stride of buffer 3 (default is now 3)
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layout(xfb_stride=48) out float bl; // ERROR, stride of buffer 3
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layout(xfb_stride=48) out bblck7 { // ERROR, stride of buffer 3
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layout(xfb_stride=64) vec4 bbv1;
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layout(xfb_stride=32) vec4 bbv2; // ERROR, stride of buffer 3
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} bbinst7;
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struct S5 {
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int i; // 4 bytes plus 4 byte hole
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double d; // 8 bytes
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float f; // 4 bytes
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}; // total size = 20
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struct T {
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bool b; // 4 plus 4 byte hole
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S5 s; // 20
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vec2 v2; // 8
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}; // total size = 36
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out layout(xfb_buffer=0, xfb_offset=0, xfb_stride=92) bblck8 { // ERROR, stride not multiple of 8
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bool b; // offset 0
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T t; // offset 8, size 40
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int i; // offset 40 + 4 = 48
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mat3x3 m3; // offset 52
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float f; // offset 52 + 9*4 = 88
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float g; // ERROR, overflow stride
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} bbinst8;
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out layout(xfb_buffer=4) bblck9 {
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layout(xfb_offset=1) bool b; // ERROR
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layout(xfb_offset=12) T t; // ERROR
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layout(xfb_offset=52) mat3x3 m3; // non-multiple of 8 okay
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layout(xfb_offset=90) int i; // ERROR
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layout(xfb_offset=98) double d; // ERROR
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layout(xfb_offset=108) S s; // non-multiple of 8 okay
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} bbinst9;
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layout(xfb_buffer=5, xfb_stride=6) out; // link ERROR, stride not multiple of 4
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layout(xfb_offset=0) out float bm;
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layout(xfb_buffer=6, xfb_stride=2000) out; // ERROR, stride too big
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out layout(xfb_buffer=7, xfb_offset=0) bblck10 { // link ERROR, implicit stride too big
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dmat4x4 m1;
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dmat4x4 m2;
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float f;
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} bbinst10;
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@ -22,7 +22,27 @@ ERROR: 0:61: 'location' : cannot declare a default, use a full declaration
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ERROR: 0:81: 'xfb layout qualifier' : can only be used on an output
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ERROR: 0:87: 'xfb_offset' : cannot declare a default, use a full declaration
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ERROR: 0:97: 'xfb_buffer' : member cannot contradict block (or what block inherited from global)
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ERROR: 22 compilation errors. No code generated.
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ERROR: 0:102: 'xfb_buffer' : member cannot contradict block (or what block inherited from global)
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ERROR: 0:102: 'xfb_offset' : overlapping offsets at offset 32 in buffer 3
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ERROR: 0:103: 'xfb_offset' : overlapping offsets at offset 0 in buffer 2
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ERROR: 0:105: 'xfb_offset' : overlapping offsets at offset 24 in buffer 2
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ERROR: 0:108: 'xfb_stride' : all stride settings must match for xfb buffer 15
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ERROR: 0:112: 'xfb_offset' : overlapping offsets at offset 4 in buffer 1
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ERROR: 0:114: 'xfb_stride' : all stride settings must match for xfb buffer 3
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ERROR: 0:115: 'xfb_stride' : all stride settings must match for xfb buffer 3
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ERROR: 0:119: 'xfb_stride' : all stride settings must match for xfb buffer 3
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ERROR: 0:117: 'xfb_stride' : all stride settings must match for xfb buffer 3
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ERROR: 0:138: 'xfb_offset' : overlapping offsets at offset 64 in buffer 0
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ERROR: 0:143: 'xfb_buffer' : buffer is too large: gl_MaxTransformFeedbackBuffers is 4
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ERROR: 0:144: 'xfb_offset' : must be a multiple of size of first component
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ERROR: 0:145: 'xfb_offset' : type contains double; xfb_offset must be a multiple of 8
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ERROR: 0:147: 'xfb_offset' : must be a multiple of size of first component
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ERROR: 0:148: 'xfb_offset' : type contains double; xfb_offset must be a multiple of 8
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ERROR: 0:152: 'xfb_buffer' : buffer is too large: gl_MaxTransformFeedbackBuffers is 4
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ERROR: 0:155: 'xfb_buffer' : buffer is too large: gl_MaxTransformFeedbackBuffers is 4
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ERROR: 0:155: 'xfb_stride' : 1/4 stride is too large: gl_MaxTransformFeedbackInterleavedComponents is 64
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ERROR: 0:157: 'xfb_buffer' : buffer is too large: gl_MaxTransformFeedbackBuffers is 4
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ERROR: 42 compilation errors. No code generated.
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in xfb mode
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@ -60,13 +80,22 @@ ERROR: node is still EOpNull!
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0:? 'be' (layout(location=50 component=3 ) smooth out int)
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0:? 'bf' (layout(location=50 component=0 ) smooth out 3-component vector of float)
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0:? 'bbinst1' (out block{out 4-component vector of float bbv})
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0:? 'bbinst2' (out block{layout(xfb_buffer=0 xfb_offset=16 ) out 4-component vector of float bbv})
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0:? 'bbinst2' (out block{layout(xfb_buffer=0 xfb_offset=64 ) out 4-component vector of float bbv})
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0:? 'bbinst3' (out block{layout(xfb_buffer=3 xfb_offset=16 ) out 4-component vector of float bbv})
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0:? 'ubbinst3' (layout(column_major shared ) uniform block{layout(column_major shared xfb_offset=16 ) uniform 4-component vector of float bbv})
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0:? 'bg' (layout(xfb_buffer=2 xfb_offset=32 xfb_stride=64 ) smooth out 4-component vector of float)
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0:? 'bg' (layout(xfb_buffer=2 xfb_offset=48 xfb_stride=80 ) smooth out 4-component vector of float)
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0:? 'bh' (layout(xfb_buffer=3 xfb_offset=32 xfb_stride=64 ) smooth out 4-component vector of float)
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0:? 'bbinst4' (layout(xfb_buffer=2 xfb_offset=16 xfb_stride=32 ) out block{layout(xfb_buffer=2 xfb_offset=16 ) out 4-component vector of float bbv1, layout(xfb_buffer=2 xfb_offset=16 ) out 4-component vector of float bbv2})
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0:? 'bbinst5' (out block{layout(xfb_buffer=3 xfb_offset=0 ) out 4-component vector of float bbv1, layout(xfb_buffer=3 xfb_offset=16 xfb_stride=32 ) out 4-component vector of float bbv2, out 4-component vector of float bbv3})
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0:? 'bbinst4' (layout(xfb_stride=80 ) out block{layout(xfb_buffer=2 xfb_offset=16 ) out 4-component vector of float bbv1, layout(xfb_buffer=2 xfb_offset=32 ) out 4-component vector of float bbv2})
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0:? 'bbinst5' (out block{layout(xfb_buffer=3 xfb_offset=0 ) out 4-component vector of float bbv1, layout(xfb_buffer=3 xfb_offset=48 xfb_stride=64 ) out 4-component vector of float bbv2, out 4-component vector of float bbv3})
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0:? 'bbinst6' (out block{layout(xfb_buffer=2 xfb_offset=0 ) out 4-component vector of float bbv1, layout(xfb_buffer=3 xfb_offset=32 xfb_stride=64 ) out 4-component vector of float bbv2, layout(xfb_buffer=2 xfb_offset=0 ) out 4-component vector of float bbv3, out 4-component vector of float bbv5, layout(xfb_buffer=2 xfb_offset=24 ) out float bbf6})
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0:? 'bj' (layout(xfb_buffer=1 xfb_offset=4 ) smooth out float)
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0:? 'bk' (layout(xfb_buffer=1 xfb_offset=0 ) smooth out 2-component vector of int)
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0:? 'bl' (layout(xfb_stride=48 ) smooth out float)
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0:? 'bbinst7' (layout(xfb_stride=48 ) out block{layout(xfb_stride=64 ) out 4-component vector of float bbv1, layout(xfb_stride=32 ) out 4-component vector of float bbv2})
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0:? 'bbinst8' (layout(xfb_stride=92 ) out block{layout(xfb_buffer=0 xfb_offset=0 ) out bool b, layout(xfb_buffer=0 xfb_offset=8 ) out structure{bool b, structure{int i, double d, float f} s, 2-component vector of float v2} t, layout(xfb_buffer=0 xfb_offset=48 ) out int i, layout(xfb_buffer=0 xfb_offset=52 ) out 3X3 matrix of float m3, layout(xfb_buffer=0 xfb_offset=88 ) out float f, layout(xfb_buffer=0 xfb_offset=92 ) out float g})
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0:? 'bbinst9' (out block{layout(xfb_buffer=4 xfb_offset=1 ) out bool b, layout(xfb_buffer=4 xfb_offset=12 ) out structure{bool b, structure{int i, double d, float f} s, 2-component vector of float v2} t, layout(xfb_buffer=4 xfb_offset=52 ) out 3X3 matrix of float m3, layout(xfb_buffer=4 xfb_offset=90 ) out int i, layout(xfb_buffer=4 xfb_offset=98 ) out double d, layout(xfb_buffer=4 xfb_offset=108 ) out structure{int a} s})
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0:? 'bm' (layout(xfb_buffer=5 xfb_offset=0 ) smooth out float)
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0:? 'bbinst10' (out block{layout(xfb_buffer=7 xfb_offset=0 ) out 4X4 matrix of double m1, layout(xfb_buffer=7 xfb_offset=128 ) out 4X4 matrix of double m2, layout(xfb_buffer=7 xfb_offset=256 ) out float f})
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0:? 'gl_VertexID' (gl_VertexId int)
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0:? 'gl_InstanceID' (gl_InstanceId int)
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@ -74,6 +103,14 @@ ERROR: node is still EOpNull!
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Linked vertex stage:
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ERROR: Linking vertex stage: Missing entry point: Each stage requires one "void main()" entry point
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ERROR: Linking vertex stage: xfb_stride is too small to hold all buffer entries:
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ERROR: xfb_buffer 0, xfb_stride 92, minimum stride needed: 96
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ERROR: Linking vertex stage: xfb_stride must be multiple of 8 for buffer holding a double:
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ERROR: xfb_buffer 0, xfb_stride 92
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ERROR: Linking vertex stage: xfb_stride must be multiple of 4:
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ERROR: xfb_buffer 5, xfb_stride 6
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ERROR: Linking vertex stage: xfb_stride is too large:
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ERROR: xfb_buffer 7, components (1/4 stride) needed are 66, gl_MaxTransformFeedbackInterleavedComponents is 64
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in xfb mode
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@ -75,6 +75,8 @@ MaxGeometryAtomicCounterBuffers 0
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MaxFragmentAtomicCounterBuffers 1
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MaxCombinedAtomicCounterBuffers 1
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MaxAtomicCounterBufferSize 16384
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MaxTransformFeedbackBuffers 4
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MaxTransformFeedbackInterleavedComponents 64
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nonInductiveForLoops 1
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whileLoops 1
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doWhileLoops 1
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@ -185,6 +185,20 @@ typedef TMap<TString, TString>::tAllocator TPragmaTableAllocator;
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const int GlslangMaxTokenLength = 1024;
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// Round number up to a multiple of the given powerOf2, which is not
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// a power, just a number that must be a power of 2.
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template <class T> void RoundToPow2(T& number, int powerOf2)
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{
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assert((powerOf2 & (powerOf2 - 1)) == 0);
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number = (number + powerOf2 - 1) & ~(powerOf2 - 1);
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}
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template <class T> bool IsMultipleOfPow2(T number, int powerOf2)
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{
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assert((powerOf2 & (powerOf2 - 1)) == 0);
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return ! (number & (powerOf2 - 1));
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}
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} // end namespace glslang
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#endif // _COMMON_INCLUDED_
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@ -127,6 +127,8 @@ struct TBuiltInResource {
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int maxFragmentAtomicCounterBuffers;
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int maxCombinedAtomicCounterBuffers;
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int maxAtomicCounterBufferSize;
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int maxTransformFeedbackBuffers;
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int maxTransformFeedbackInterleavedComponents;
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TLimits limits;
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};
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@ -373,24 +373,32 @@ public:
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hasStream() ||
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hasXfb();
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}
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TLayoutMatrix layoutMatrix : 3;
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TLayoutPacking layoutPacking : 4;
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TLayoutMatrix layoutMatrix : 3;
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TLayoutPacking layoutPacking : 4;
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int layoutOffset;
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int layoutAlign;
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unsigned int layoutLocation : 7;
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static const unsigned int layoutLocationEnd = 0x3F;
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unsigned int layoutComponent : 3;
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static const unsigned int layoutComponentEnd = 4;
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unsigned int layoutBinding : 8;
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static const unsigned int layoutBindingEnd = 0xFF;
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unsigned int layoutStream : 8;
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static const unsigned int layoutStreamEnd = 0xFF;
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unsigned int layoutXfbBuffer : 4;
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static const unsigned int layoutXfbBufferEnd = 0xF;
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unsigned int layoutXfbStride : 8;
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static const unsigned int layoutXfbStrideEnd = 0xFF;
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unsigned int layoutXfbOffset : 8;
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static const unsigned int layoutXfbOffsetEnd = 0xFF;
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unsigned int layoutLocation : 7;
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static const unsigned int layoutLocationEnd = 0x3F;
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unsigned int layoutComponent : 3;
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static const unsigned int layoutComponentEnd = 4;
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unsigned int layoutBinding : 8;
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static const unsigned int layoutBindingEnd = 0xFF;
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unsigned int layoutStream : 8;
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static const unsigned int layoutStreamEnd = 0xFF;
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unsigned int layoutXfbBuffer : 4;
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static const unsigned int layoutXfbBufferEnd = 0xF;
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unsigned int layoutXfbStride : 10;
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static const unsigned int layoutXfbStrideEnd = 0x3FF;
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unsigned int layoutXfbOffset : 10;
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static const unsigned int layoutXfbOffsetEnd = 0x3FF;
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bool hasUniformLayout() const
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{
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return layoutMatrix != ElmNone ||
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@ -805,6 +813,20 @@ public:
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virtual bool isArray() const { return arraySizes != 0; }
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virtual bool isStruct() const { return structure != 0; }
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// Recursively checks if the type contains the given basic type
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virtual bool containsBasicType(TBasicType checkType) const
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{
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if (basicType == checkType)
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return true;
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if (! structure)
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return false;
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for (unsigned int i = 0; i < structure->size(); ++i) {
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if ((*structure)[i].type->containsBasicType(checkType))
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return true;
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}
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return false;
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}
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// Recursively check the structure for any arrays, needed for some error checks
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virtual bool containsArray() const
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{
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@ -9,5 +9,5 @@
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// source have to figure out how to create revision.h just to get a build
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// going. However, if it is not updated, it can be a version behind.
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#define GLSLANG_REVISION "24964"
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#define GLSLANG_DATE "2014/01/22 17:35:24"
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#define GLSLANG_REVISION "24977"
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#define GLSLANG_DATE "2014/01/23 14:40:33"
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@ -104,11 +104,16 @@ TParseContext::TParseContext(TSymbolTable& symt, TIntermediate& interm, bool pb,
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globalInputDefaults.clear();
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globalOutputDefaults.clear();
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// "Shaders in the transform
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// feedback capturing mode have an initial global default of
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// layout(xfb_buffer = 0) out;"
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if (language == EShLangVertex ||
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language == EShLangTessControl ||
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language == EShLangTessEvaluation ||
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language == EShLangGeometry)
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globalOutputDefaults.layoutXfbBuffer = 0;
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if (language == EShLangGeometry)
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globalOutputDefaults.layoutStream = 0;
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}
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@ -123,6 +128,8 @@ void TParseContext::setLimits(const TBuiltInResource& r)
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! limits.generalUniformIndexing ||
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! limits.generalVariableIndexing ||
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! limits.generalVaryingIndexing;
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intermediate.setLimits(resources);
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}
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//
|
||||
@ -2872,27 +2879,39 @@ void TParseContext::setLayoutQualifier(TSourceLoc loc, TPublicType& publicType,
|
||||
publicType.qualifier.layoutComponent = value;
|
||||
return;
|
||||
} else if (id.compare(0, 4, "xfb_") == 0) {
|
||||
// "Any shader making any static use (after preprocessing) of any of these
|
||||
// *xfb_* qualifiers will cause the shader to be in a transform feedback
|
||||
// capturing mode and hence responsible for describing the transform feedback
|
||||
// setup."
|
||||
intermediate.setXfbMode();
|
||||
const char* feature = "transform feedback qualifier";
|
||||
requireStage(loc, (EShLanguageMask)(EShLangVertexMask | EShLangGeometryMask | EShLangTessControlMask | EShLangTessEvaluationMask), feature);
|
||||
requireProfile(loc, ECoreProfile | ECompatibilityProfile, feature);
|
||||
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 440, GL_ARB_enhanced_layouts, feature);
|
||||
if (id == "xfb_buffer") {
|
||||
if (value >= TQualifier::layoutXfbBufferEnd) // TODO: 4.4 enhanced layouts: also check against gl_MaxTransformFeedbackBuffers
|
||||
error(loc, "buffer is too large", id.c_str(), "");
|
||||
// "It is a compile-time error to specify an *xfb_buffer* that is greater than
|
||||
// the implementation-dependent constant gl_MaxTransformFeedbackBuffers."
|
||||
if (value >= resources.maxTransformFeedbackBuffers)
|
||||
error(loc, "buffer is too large:", id.c_str(), "gl_MaxTransformFeedbackBuffers is %d", resources.maxTransformFeedbackBuffers);
|
||||
if (value >= TQualifier::layoutXfbBufferEnd)
|
||||
error(loc, "buffer is too large:", id.c_str(), "internal max is %d", TQualifier::layoutXfbBufferEnd-1);
|
||||
else
|
||||
publicType.qualifier.layoutXfbBuffer = value;
|
||||
return;
|
||||
} else if (id == "xfb_offset") {
|
||||
if (value >= TQualifier::layoutXfbOffsetEnd) // TODO: 4.4 enhanced layouts: also check against gl_MaxTransformFeedbackInterleavedComponents
|
||||
error(loc, "offset is too large", id.c_str(), "");
|
||||
if (value >= TQualifier::layoutXfbOffsetEnd)
|
||||
error(loc, "offset is too large:", id.c_str(), "internal max is %d", TQualifier::layoutXfbOffsetEnd-1);
|
||||
else
|
||||
publicType.qualifier.layoutXfbOffset = value;
|
||||
return;
|
||||
} else if (id == "xfb_stride") {
|
||||
if (value >= TQualifier::layoutXfbStrideEnd) // TODO: 4.4 enhanced layouts: also check against 4*gl_MaxTransformFeedbackInterleavedComponents
|
||||
error(loc, "stride is too large", id.c_str(), "");
|
||||
else
|
||||
// "The resulting stride (implicit or explicit), when divided by 4, must be less than or equal to the
|
||||
// implementation-dependent constant gl_MaxTransformFeedbackInterleavedComponents."
|
||||
if (value > 4 * resources.maxTransformFeedbackInterleavedComponents)
|
||||
error(loc, "1/4 stride is too large:", id.c_str(), "gl_MaxTransformFeedbackInterleavedComponents is %d", resources.maxTransformFeedbackInterleavedComponents);
|
||||
else if (value >= TQualifier::layoutXfbStrideEnd)
|
||||
error(loc, "stride is too large:", id.c_str(), "internal max is %d", TQualifier::layoutXfbStrideEnd-1);
|
||||
if (value < TQualifier::layoutXfbStrideEnd)
|
||||
publicType.qualifier.layoutXfbStride = value;
|
||||
return;
|
||||
}
|
||||
@ -2956,8 +2975,6 @@ void TParseContext::mergeObjectLayoutQualifiers(TSourceLoc loc, TQualifier& dst,
|
||||
|
||||
if (src.hasXfbBuffer())
|
||||
dst.layoutXfbBuffer = src.layoutXfbBuffer;
|
||||
if (src.hasXfbOffset())
|
||||
dst.layoutXfbOffset = src.layoutXfbOffset;
|
||||
|
||||
if (! inheritOnly) {
|
||||
if (src.layoutLocation != TQualifier::layoutLocationEnd)
|
||||
@ -2975,6 +2992,8 @@ void TParseContext::mergeObjectLayoutQualifiers(TSourceLoc loc, TQualifier& dst,
|
||||
|
||||
if (src.hasXfbStride())
|
||||
dst.layoutXfbStride = src.layoutXfbStride;
|
||||
if (src.hasXfbOffset())
|
||||
dst.layoutXfbOffset = src.layoutXfbOffset;
|
||||
}
|
||||
}
|
||||
|
||||
@ -3069,6 +3088,25 @@ void TParseContext::layoutTypeCheck(TSourceLoc loc, const TType& type)
|
||||
error(loc, "fragment outputs sharing the same location must be the same basic type", "location", "%d", repeated);
|
||||
}
|
||||
|
||||
if (qualifier.hasXfbOffset() && qualifier.hasXfbBuffer()) {
|
||||
int repeated = intermediate.addXfbBufferOffset(type);
|
||||
if (repeated >= 0)
|
||||
error(loc, "overlapping offsets at", "xfb_offset", "offset %d in buffer %d", repeated, qualifier.layoutXfbBuffer);
|
||||
|
||||
// "The offset must be a multiple of the size of the first component of the first
|
||||
// qualified variable or block member, or a compile-time error results. Further, if applied to an aggregate
|
||||
// containing a double, the offset must also be a multiple of 8..."
|
||||
if (type.containsBasicType(EbtDouble) && ! IsMultipleOfPow2(qualifier.layoutXfbOffset, 8))
|
||||
error(loc, "type contains double; xfb_offset must be a multiple of 8", "xfb_offset", "");
|
||||
else if (! IsMultipleOfPow2(qualifier.layoutXfbOffset, 4))
|
||||
error(loc, "must be a multiple of size of first component", "xfb_offset", "");
|
||||
}
|
||||
|
||||
if (qualifier.hasXfbStride() && qualifier.hasXfbBuffer()) {
|
||||
if (! intermediate.setXfbBufferStride(qualifier.layoutXfbBuffer, qualifier.layoutXfbStride))
|
||||
error(loc, "all stride settings must match for xfb buffer", "xfb_stride", "%d", qualifier.layoutXfbBuffer);
|
||||
}
|
||||
|
||||
if (qualifier.hasBinding()) {
|
||||
// Binding checking, from the spec:
|
||||
//
|
||||
@ -3844,10 +3882,16 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
|
||||
if (defaultQualification.layoutStream != memberQualifier.layoutStream)
|
||||
error(memberLoc, "member cannot contradict block", "stream", "");
|
||||
}
|
||||
|
||||
// "This includes a block's inheritance of the
|
||||
// current global default buffer, a block member's inheritance of the block's
|
||||
// buffer, and the requirement that any *xfb_buffer* declared on a block
|
||||
// member must match the buffer inherited from the block."
|
||||
if (memberQualifier.hasXfbBuffer()) {
|
||||
if (defaultQualification.layoutXfbBuffer != memberQualifier.layoutXfbBuffer)
|
||||
error(memberLoc, "member cannot contradict block (or what block inherited from global)", "xfb_buffer", "");
|
||||
}
|
||||
|
||||
if (memberQualifier.layoutPacking != ElpNone)
|
||||
error(memberLoc, "member of block cannot have a packing layout qualifier", typeList[member].type->getFieldName().c_str(), "");
|
||||
if (memberQualifier.hasLocation()) {
|
||||
@ -3869,7 +3913,10 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
|
||||
mergeQualifiers(memberLoc, newMemberQualification, memberQualifier, false);
|
||||
memberQualifier = newMemberQualification;
|
||||
}
|
||||
|
||||
// Process the members
|
||||
fixBlockLocations(loc, currentBlockQualifier, typeList, memberWithLocation, memberWithoutLocation);
|
||||
fixBlockXfbOffsets(loc, currentBlockQualifier, typeList);
|
||||
for (unsigned int member = 0; member < typeList.size(); ++member)
|
||||
layoutTypeCheck(typeList[member].loc, *typeList[member].type);
|
||||
|
||||
@ -3983,6 +4030,37 @@ void TParseContext::fixBlockLocations(TSourceLoc loc, TQualifier& qualifier, TTy
|
||||
}
|
||||
}
|
||||
|
||||
void TParseContext::fixBlockXfbOffsets(TSourceLoc loc, TQualifier& qualifier, TTypeList& typeList)
|
||||
{
|
||||
// "If a block is qualified with xfb_offset, all its
|
||||
// members are assigned transform feedback buffer offsets. If a block is not qualified with xfb_offset, any
|
||||
// members of that block not qualified with an xfb_offsetwill not be assigned transform feedback buffer
|
||||
// offsets."
|
||||
|
||||
if (! currentBlockQualifier.hasXfbBuffer() || ! currentBlockQualifier.hasXfbOffset())
|
||||
return;
|
||||
|
||||
int nextOffset = currentBlockQualifier.layoutXfbOffset;
|
||||
for (unsigned int member = 0; member < typeList.size(); ++member) {
|
||||
TQualifier& memberQualifier = typeList[member].type->getQualifier();
|
||||
bool containsDouble = false;
|
||||
int memberSize = intermediate.computeTypeXfbSize(*typeList[member].type, containsDouble);
|
||||
// see if we need to auto-assign an offset to this member
|
||||
if (! memberQualifier.hasXfbOffset()) {
|
||||
// "if applied to an aggregate containing a double, the offset must also be a multiple of 8"
|
||||
if (containsDouble)
|
||||
RoundToPow2(nextOffset, 8);
|
||||
memberQualifier.layoutXfbOffset = nextOffset;
|
||||
} else
|
||||
nextOffset = memberQualifier.layoutXfbOffset;
|
||||
nextOffset += memberSize;
|
||||
}
|
||||
|
||||
// The above gave all block members an offset, so we can take it off the block now,
|
||||
// which will avoid double counting the offset usage.
|
||||
qualifier.layoutXfbOffset = TQualifier::layoutXfbOffsetEnd;
|
||||
}
|
||||
|
||||
// For an identifier that is already declared, add more qualification to it.
|
||||
void TParseContext::addQualifierToExisting(TSourceLoc loc, TQualifier qualifier, const TString& identifier)
|
||||
{
|
||||
@ -4150,6 +4228,10 @@ void TParseContext::updateStandaloneQualifierDefaults(TSourceLoc loc, const TPub
|
||||
globalOutputDefaults.layoutStream = qualifier.layoutStream;
|
||||
if (qualifier.hasXfbBuffer())
|
||||
globalOutputDefaults.layoutXfbBuffer = qualifier.layoutXfbBuffer;
|
||||
if (globalOutputDefaults.hasXfbBuffer() && qualifier.hasXfbStride()) {
|
||||
if (! intermediate.setXfbBufferStride(globalOutputDefaults.layoutXfbBuffer, qualifier.layoutXfbStride))
|
||||
error(loc, "all stride settings must match for xfb buffer", "xfb_stride", "%d", qualifier.layoutXfbBuffer);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
error(loc, "default qualifier requires 'uniform', 'buffer', 'in', or 'out' storage qualification", "", "");
|
||||
|
||||
@ -165,6 +165,7 @@ public:
|
||||
TIntermTyped* constructBuiltIn(const TType&, TOperator, TIntermNode*, TSourceLoc, bool subset);
|
||||
void declareBlock(TSourceLoc, TTypeList& typeList, const TString* instanceName = 0, TArraySizes* arraySizes = 0);
|
||||
void fixBlockLocations(TSourceLoc, TQualifier&, TTypeList&, bool memberWithLocation, bool memberWithoutLocation);
|
||||
void fixBlockXfbOffsets(TSourceLoc, TQualifier&, TTypeList&);
|
||||
void addQualifierToExisting(TSourceLoc, TQualifier, const TString& identifier);
|
||||
void addQualifierToExisting(TSourceLoc, TQualifier, TIdentifierList&);
|
||||
void invariantCheck(TSourceLoc, const TType&, const TString& identifier);
|
||||
|
||||
@ -112,6 +112,16 @@ void TIntermediate::merge(TInfoSink& infoSink, TIntermediate& unit)
|
||||
|
||||
if (unit.xfbMode)
|
||||
xfbMode = true;
|
||||
for (size_t b = 0; b < xfbBuffers.size(); ++b) {
|
||||
if (xfbBuffers[b].stride == TQualifier::layoutXfbStrideEnd)
|
||||
xfbBuffers[b].stride = unit.xfbBuffers[b].stride;
|
||||
else if (xfbBuffers[b].stride != unit.xfbBuffers[b].stride)
|
||||
error(infoSink, "Contradictory xfb_stride");
|
||||
xfbBuffers[b].implicitStride = std::max(xfbBuffers[b].implicitStride, unit.xfbBuffers[b].implicitStride);
|
||||
if (unit.xfbBuffers[b].containsDouble)
|
||||
xfbBuffers[b].containsDouble = true;
|
||||
// TODO: 4.4 link: enhanced layouts: compare ranges
|
||||
}
|
||||
|
||||
if (unit.treeRoot == 0)
|
||||
return;
|
||||
@ -305,6 +315,44 @@ void TIntermediate::finalCheck(TInfoSink& infoSink)
|
||||
if (inIoAccessed("gl_FragColor") && inIoAccessed("gl_FragData"))
|
||||
error(infoSink, "Cannot use both gl_FragColor and gl_FragData");
|
||||
|
||||
for (size_t b = 0; b < xfbBuffers.size(); ++b) {
|
||||
if (xfbBuffers[b].containsDouble)
|
||||
RoundToPow2(xfbBuffers[b].implicitStride, 8);
|
||||
|
||||
// "It is a compile-time or link-time error to have
|
||||
// any xfb_offset that overflows xfb_stride, whether stated on declarations before or after the xfb_stride, or
|
||||
// in different compilation units. While xfb_stridecan be declared multiple times for the same buffer, it is a
|
||||
// compile-time or link-time error to have different values specified for the stride for the same buffer."
|
||||
if (xfbBuffers[b].stride != TQualifier::layoutXfbStrideEnd && xfbBuffers[b].implicitStride > xfbBuffers[b].stride) {
|
||||
error(infoSink, "xfb_stride is too small to hold all buffer entries:");
|
||||
infoSink.info.prefix(EPrefixError);
|
||||
infoSink.info << " xfb_buffer " << b << ", xfb_stride " << xfbBuffers[b].stride << ", minimum stride needed: " << xfbBuffers[b].implicitStride << "\n";
|
||||
}
|
||||
if (xfbBuffers[b].stride == TQualifier::layoutXfbStrideEnd)
|
||||
xfbBuffers[b].stride = xfbBuffers[b].implicitStride;
|
||||
|
||||
// "If the buffer is capturing any
|
||||
// outputs with double-precision components, the stride must be a multiple of 8, otherwise it must be a
|
||||
// multiple of 4, or a compile-time or link-time error results."
|
||||
if (xfbBuffers[b].containsDouble && ! IsMultipleOfPow2(xfbBuffers[b].stride, 8)) {
|
||||
error(infoSink, "xfb_stride must be multiple of 8 for buffer holding a double:");
|
||||
infoSink.info.prefix(EPrefixError);
|
||||
infoSink.info << " xfb_buffer " << b << ", xfb_stride " << xfbBuffers[b].stride << "\n";
|
||||
} else if (! IsMultipleOfPow2(xfbBuffers[b].stride, 4)) {
|
||||
error(infoSink, "xfb_stride must be multiple of 4:");
|
||||
infoSink.info.prefix(EPrefixError);
|
||||
infoSink.info << " xfb_buffer " << b << ", xfb_stride " << xfbBuffers[b].stride << "\n";
|
||||
}
|
||||
|
||||
// "The resulting stride (implicit or explicit), when divided by 4, must be less than or equal to the
|
||||
// implementation-dependent constant gl_MaxTransformFeedbackInterleavedComponents."
|
||||
if (xfbBuffers[b].stride > (unsigned int)(4 * resources.maxTransformFeedbackInterleavedComponents)) {
|
||||
error(infoSink, "xfb_stride is too large:");
|
||||
infoSink.info.prefix(EPrefixError);
|
||||
infoSink.info << " xfb_buffer " << b << ", components (1/4 stride) needed are " << xfbBuffers[b].stride/4 << ", gl_MaxTransformFeedbackInterleavedComponents is " << resources.maxTransformFeedbackInterleavedComponents << "\n";
|
||||
}
|
||||
}
|
||||
|
||||
switch (language) {
|
||||
case EShLangVertex:
|
||||
break;
|
||||
@ -510,6 +558,7 @@ int TIntermediate::addUsedLocation(const TQualifier& qualifier, const TType& typ
|
||||
else
|
||||
size = 1;
|
||||
} else {
|
||||
// Strip off the outer array dimension for those having an extra one.
|
||||
if (type.isArray() && ! qualifier.patch &&
|
||||
(language == EShLangGeometry && qualifier.isPipeInput()) ||
|
||||
language == EShLangTessControl ||
|
||||
@ -520,36 +569,31 @@ int TIntermediate::addUsedLocation(const TQualifier& qualifier, const TType& typ
|
||||
size = computeTypeLocationSize(type);
|
||||
}
|
||||
|
||||
TRange locationRange = { qualifier.layoutLocation, qualifier.layoutLocation + size - 1 };
|
||||
TRange componentRange = { 0, 3 };
|
||||
TRange locationRange(qualifier.layoutLocation, qualifier.layoutLocation + size - 1);
|
||||
TRange componentRange(0, 3);
|
||||
if (qualifier.layoutComponent != TQualifier::layoutComponentEnd) {
|
||||
componentRange.start = qualifier.layoutComponent;
|
||||
componentRange.last = componentRange.start + type.getVectorSize() - 1;
|
||||
}
|
||||
TIoRange range(locationRange, componentRange, type.getBasicType());
|
||||
|
||||
// check for collisions, except for vertex inputs on desktop
|
||||
if (! (profile != EEsProfile && language == EShLangVertex && qualifier.isPipeInput())) {
|
||||
for (size_t r = 0; r < usedIo[set].size(); ++r) {
|
||||
if (locationRange.last >= usedIo[set][r].location.start &&
|
||||
locationRange.start <= usedIo[set][r].location.last &&
|
||||
componentRange.last >= usedIo[set][r].component.start &&
|
||||
componentRange.start <= usedIo[set][r].component.last) {
|
||||
if (range.overlap(usedIo[set][r])) {
|
||||
// there is a collision; pick one
|
||||
return std::max(locationRange.start, usedIo[set][r].location.start);
|
||||
} else if (locationRange.last >= usedIo[set][r].location.start &&
|
||||
locationRange.start <= usedIo[set][r].location.last &&
|
||||
type.getBasicType() != usedIo[set][r].basicType) {
|
||||
} else if (locationRange.overlap(usedIo[set][r].location) && type.getBasicType() != usedIo[set][r].basicType) {
|
||||
// aliased-type mismatch
|
||||
typeCollision = true;
|
||||
return std::max(locationRange.start, usedIo[set][r].location.start);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
TIoRange range = { locationRange, componentRange, type.getBasicType() };
|
||||
|
||||
usedIo[set].push_back(range);
|
||||
|
||||
return -1;
|
||||
return -1; // no collision
|
||||
}
|
||||
|
||||
// Recursively figure out how many locations are used up by an input or output type.
|
||||
@ -559,7 +603,7 @@ int TIntermediate::computeTypeLocationSize(const TType& type)
|
||||
// "If the declared input is an array of size n and each element takes m locations, it will be assigned m * n
|
||||
// consecutive locations..."
|
||||
if (type.isArray()) {
|
||||
TType elementType(type, 0);
|
||||
TType elementType(type, 0);
|
||||
if (type.getArraySize() == 0) {
|
||||
// TODO: are there valid cases of having an unsized array with a location? If so, running this code too early.
|
||||
return computeTypeLocationSize(elementType);
|
||||
@ -605,4 +649,95 @@ int TIntermediate::computeTypeLocationSize(const TType& type)
|
||||
return 1;
|
||||
}
|
||||
|
||||
// Accumulate xfb buffer ranges and check for collisions as the accumulation is done.
|
||||
//
|
||||
// Returns < 0 if no collision, >= 0 if collision and the value returned is a colliding value.
|
||||
//
|
||||
int TIntermediate::addXfbBufferOffset(const TType& type)
|
||||
{
|
||||
const TQualifier& qualifier = type.getQualifier();
|
||||
|
||||
assert(qualifier.hasXfbOffset() && qualifier.hasXfbBuffer());
|
||||
TXfbBuffer& buffer = xfbBuffers[qualifier.layoutXfbBuffer];
|
||||
|
||||
// compute the range
|
||||
unsigned int size = computeTypeXfbSize(type, buffer.containsDouble);
|
||||
buffer.implicitStride = std::max(buffer.implicitStride, qualifier.layoutXfbOffset + size);
|
||||
TRange range(qualifier.layoutXfbOffset, qualifier.layoutXfbOffset + size - 1);
|
||||
|
||||
// check for collisions
|
||||
for (size_t r = 0; r < buffer.ranges.size(); ++r) {
|
||||
if (range.overlap(buffer.ranges[r])) {
|
||||
// there is a collision; pick an example to return
|
||||
return std::max(range.start, buffer.ranges[r].start);
|
||||
}
|
||||
}
|
||||
|
||||
buffer.ranges.push_back(range);
|
||||
|
||||
return -1; // no collision
|
||||
}
|
||||
|
||||
// Recursively figure out how many bytes of xfb buffer are used by the given type.
|
||||
// Return the size of type, in bytes.
|
||||
// Sets containsDouble to true if the type contains a double.
|
||||
// N.B. Caller must set containsDouble to false before calling.
|
||||
unsigned int TIntermediate::computeTypeXfbSize(const TType& type, bool& containsDouble) const
|
||||
{
|
||||
// "...if applied to an aggregate containing a double, the offset must also be a multiple of 8,
|
||||
// and the space taken in the buffer will be a multiple of 8.
|
||||
// ...within the qualified entity, subsequent components are each
|
||||
// assigned, in order, to the next available offset aligned to a multiple of
|
||||
// that component's size. Aggregate types are flattened down to the component
|
||||
// level to get this sequence of components."
|
||||
|
||||
if (type.isArray()) {
|
||||
assert(type.getArraySize() > 0);
|
||||
TType elementType(type, 0);
|
||||
return type.getArraySize() * computeTypeXfbSize(elementType, containsDouble);
|
||||
}
|
||||
|
||||
if (type.isStruct()) {
|
||||
unsigned int size = 0;
|
||||
bool structContainsDouble = false;
|
||||
for (size_t member = 0; member < type.getStruct()->size(); ++member) {
|
||||
TType memberType(type, member);
|
||||
// "... if applied to
|
||||
// an aggregate containing a double, the offset must also be a multiple of 8,
|
||||
// and the space taken in the buffer will be a multiple of 8."
|
||||
bool memberContainsDouble = false;
|
||||
int memberSize = computeTypeXfbSize(memberType, memberContainsDouble);
|
||||
if (memberContainsDouble) {
|
||||
structContainsDouble = true;
|
||||
RoundToPow2(size, 8);
|
||||
}
|
||||
size += memberSize;
|
||||
}
|
||||
|
||||
if (structContainsDouble) {
|
||||
containsDouble = true;
|
||||
RoundToPow2(size, 8);
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
int numComponents;
|
||||
if (type.isScalar())
|
||||
numComponents = 1;
|
||||
else if (type.isVector())
|
||||
numComponents = type.getVectorSize();
|
||||
else if (type.isMatrix())
|
||||
numComponents = type.getMatrixCols() * type.getMatrixRows();
|
||||
else {
|
||||
assert(0);
|
||||
numComponents = 1;
|
||||
}
|
||||
|
||||
if (type.getBasicType() == EbtDouble) {
|
||||
containsDouble = true;
|
||||
return 8 * numComponents;
|
||||
} else
|
||||
return 4 * numComponents;
|
||||
}
|
||||
|
||||
} // end namespace glslang
|
||||
|
||||
@ -51,6 +51,55 @@ struct TVectorFields {
|
||||
int num;
|
||||
};
|
||||
|
||||
//
|
||||
// Some helper structures for TIntermediate. Their contents are encapsulated
|
||||
// by TIntermediate.
|
||||
//
|
||||
|
||||
// Used for detecting recursion: A "call" is a pair: <caller, callee>.
|
||||
struct TCall {
|
||||
TCall(const TString& pCaller, const TString& pCallee) : caller(pCaller), callee(pCallee) { }
|
||||
TString caller;
|
||||
TString callee;
|
||||
bool visited;
|
||||
bool currentPath;
|
||||
bool errorGiven;
|
||||
};
|
||||
|
||||
// A generic 1-D range.
|
||||
struct TRange {
|
||||
TRange(int start, int last) : start(start), last(last) { }
|
||||
bool overlap(const TRange& rhs) const
|
||||
{
|
||||
return last >= rhs.start && start <= rhs.last;
|
||||
}
|
||||
int start;
|
||||
int last;
|
||||
};
|
||||
|
||||
// A *location* range is a 2-D rectangle; the set of (location, component) pairs all lying
|
||||
// both within the location range and the component range. Locations don't alias unless
|
||||
// both dimensions of their range overlap.
|
||||
struct TIoRange {
|
||||
TIoRange(TRange location, TRange component, TBasicType basicType) : location(location), component(component), basicType(basicType) { }
|
||||
bool overlap(const TIoRange& rhs) const
|
||||
{
|
||||
return location.overlap(rhs.location) && component.overlap(rhs.component);
|
||||
}
|
||||
TRange location;
|
||||
TRange component;
|
||||
TBasicType basicType;
|
||||
};
|
||||
|
||||
// Things that need to be tracked per xfb buffer.
|
||||
struct TXfbBuffer {
|
||||
TXfbBuffer() : stride(TQualifier::layoutXfbStrideEnd), implicitStride(0), containsDouble(false) { }
|
||||
std::vector<TRange> ranges; // byte offsets that have already been assigned
|
||||
unsigned int stride;
|
||||
unsigned int implicitStride;
|
||||
bool containsDouble;
|
||||
};
|
||||
|
||||
class TSymbolTable;
|
||||
class TSymbol;
|
||||
|
||||
@ -62,7 +111,12 @@ public:
|
||||
explicit TIntermediate(EShLanguage l, int v = 0, EProfile p = ENoProfile) : language(l), treeRoot(0), profile(p), version(v),
|
||||
numMains(0), numErrors(0), recursive(false),
|
||||
invocations(0), vertices(0), inputPrimitive(ElgNone), outputPrimitive(ElgNone), pixelCenterInteger(false), originUpperLeft(false),
|
||||
vertexSpacing(EvsNone), vertexOrder(EvoNone), pointMode(false), xfbMode(false) { }
|
||||
vertexSpacing(EvsNone), vertexOrder(EvoNone), pointMode(false), xfbMode(false)
|
||||
{
|
||||
xfbBuffers.resize(TQualifier::layoutXfbBufferEnd);
|
||||
}
|
||||
void setLimits(const TBuiltInResource& r) { resources = r; }
|
||||
|
||||
bool postProcess(TIntermNode*, EShLanguage);
|
||||
void output(TInfoSink&, bool tree);
|
||||
void removeTree();
|
||||
@ -176,6 +230,16 @@ public:
|
||||
int addUsedLocation(const TQualifier&, const TType&, bool& typeCollision);
|
||||
int computeTypeLocationSize(const TType&);
|
||||
|
||||
bool setXfbBufferStride(int buffer, int stride)
|
||||
{
|
||||
if (xfbBuffers[buffer].stride != TQualifier::layoutXfbStrideEnd)
|
||||
return xfbBuffers[buffer].stride == stride;
|
||||
xfbBuffers[buffer].stride = stride;
|
||||
return true;
|
||||
}
|
||||
int addXfbBufferOffset(const TType&);
|
||||
unsigned int computeTypeXfbSize(const TType&, bool& containsDouble) const;
|
||||
|
||||
protected:
|
||||
void error(TInfoSink& infoSink, const char*);
|
||||
void mergeBodies(TInfoSink&, TIntermSequence& globals, const TIntermSequence& unitGlobals);
|
||||
@ -191,6 +255,7 @@ protected:
|
||||
TIntermNode* treeRoot;
|
||||
EProfile profile;
|
||||
int version;
|
||||
TBuiltInResource resources;
|
||||
int numMains;
|
||||
int numErrors;
|
||||
bool recursive;
|
||||
@ -205,33 +270,12 @@ protected:
|
||||
bool pointMode;
|
||||
bool xfbMode;
|
||||
|
||||
// for detecting recursion: pair is <caller, callee>
|
||||
struct TCall {
|
||||
TCall(const TString& pCaller, const TString& pCallee) : caller(pCaller), callee(pCallee) { }
|
||||
TString caller;
|
||||
TString callee;
|
||||
bool visited;
|
||||
bool currentPath;
|
||||
bool errorGiven;
|
||||
};
|
||||
typedef std::list<TCall> TGraph;
|
||||
TGraph callGraph;
|
||||
|
||||
std::set<TString> ioAccessed; // set of names of statically read/written I/O that might need extra checking
|
||||
|
||||
// A location range is a 2-D rectangle; the set of (location, component) pairs all lying
|
||||
// both within the location range and the component range.
|
||||
// The following are entirely encapsulated by addUsedLocation().
|
||||
struct TRange {
|
||||
int start;
|
||||
int last;
|
||||
};
|
||||
struct TIoRange {
|
||||
TRange location;
|
||||
TRange component;
|
||||
TBasicType basicType;
|
||||
};
|
||||
std::set<TString> ioAccessed; // set of names of statically read/written I/O that might need extra checking
|
||||
std::vector<TIoRange> usedIo[3]; // sets of used locations, one for each of in, out, and uniform
|
||||
std::vector<TXfbBuffer> xfbBuffers; // all the data we need to track per xfb buffer
|
||||
|
||||
private:
|
||||
void operator=(TIntermediate&); // prevent assignments
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user