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When making a program separable, insert block after #extension lines

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baldurk
2015-02-24 22:58:30 +00:00
parent 06d14967ab
commit 49a66defb0
1 changed files with 56 additions and 9 deletions
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renderdoc/driver/gl/gl_shader_refl.cpp
+56 -9
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@@ -203,13 +203,13 @@ GLuint MakeSeparableShaderProgram(const GLHookSet &gl, GLenum type, vector<strin
string block = "";
if(type == eGL_VERTEX_SHADER)
block = "\nout gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; };";
block = "out gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; };\n";
else if(type == eGL_TESS_CONTROL_SHADER)
block = "\nin gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; } gl_in[];" \
"\nout gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; } gl_out[];";
block = "in gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; } gl_in[];\n" \
"out gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; } gl_out[];\n";
else
block = "\nin gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; } gl_in[];" \
"\nout gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; };";
block = "in gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; } gl_in[];\n" \
"out gl_PerVertex { vec4 gl_Position; float gl_PointSize; float gl_ClipDistance[]; };\n";
const char **strings = new const char*[sources.size()];
for(size_t i=0; i < sources.size(); i++)
@@ -268,11 +268,58 @@ GLuint MakeSeparableShaderProgram(const GLHookSet &gl, GLenum type, vector<strin
while(it < len && (src[it] == ' ' || src[it] == '\t'))
++it;
substituted = src;
if(!strncmp(&src[it], "core" , 4)) it += sizeof("core")-1;
if(!strncmp(&src[it], "compatibility", 13)) it += sizeof("compatibility")-1;
if(!strncmp(&src[it], "es" , 2)) it += sizeof("es")-1;
if(!strncmp(&substituted[it], "core" , 4)) it += sizeof("core")-1;
if(!strncmp(&substituted[it], "compatibility", 13)) it += sizeof("compatibility")-1;
if(!strncmp(&substituted[it], "es" , 2)) it += sizeof("es")-1;
// now skip past comments, and any #extension directives
while(it < len)
{
// skip whitespace
while(it < len && (src[it] == ' ' || src[it] == '\t' || src[it] == '\r' || src[it] == '\n'))
++it;
// skip C++ style comments
if(it+1 < len && src[it] == '/' && src[it+1] == '/')
{
// keep going until the next newline
while(it < len && src[it] != '\r' && src[it] != '\n')
++it;
// skip more things
continue;
}
// skip extension directives
const char extDirective[] = "#extension";
if(!strncmp(src.c_str()+it, extDirective, sizeof(extDirective)-1) &&
it+sizeof(extDirective)-1 < len &&
(src[it+sizeof(extDirective)-1] == ' ' || src[it+sizeof(extDirective)-1] == '\t'))
{
// keep going until the next newline
while(it < len && src[it] != '\r' && src[it] != '\n')
++it;
// skip more things
continue;
}
// skip C style comments
if(it+1 < len && src[it] == '/' && src[it+1] == '*')
{
// keep going until the we reach a */
while(it+1 < len && (src[it] != '*' || src[it+1] != '/'))
++it;
// skip more things
continue;
}
// nothing more to skip
break;
}
substituted = src;
substituted.insert(it, block);