import stdapi
import glapi
+import glstate
from glxapi import glxapi
from trace import Tracer, dump_instance
class TypeGetter(stdapi.Visitor):
'''Determine which glGet*v function that matches the specified type.'''
+ def __init__(self, prefix = 'glGet', long_suffix = True):
+ self.prefix = prefix
+ self.long_suffix = long_suffix
+
def visit_const(self, const):
return self.visit(const.type)
def visit_alias(self, alias):
if alias.expr == 'GLboolean':
- return 'glGetBooleanv', alias.expr
+ if self.long_suffix:
+ return self.prefix + 'Booleanv', alias.expr
+ else:
+ return self.prefix + 'iv', 'GLint'
elif alias.expr == 'GLdouble':
- return 'glGetDoublev', alias.expr
+ if self.long_suffix:
+ return self.prefix + 'Doublev', alias.expr
+ else:
+ return self.prefix + 'dv', alias.expr
elif alias.expr == 'GLfloat':
- return 'glGetFloatv', alias.expr
+ if self.long_suffix:
+ return self.prefix + 'Floatv', alias.expr
+ else:
+ return self.prefix + 'fv', alias.expr
elif alias.expr in ('GLint', 'GLuint', 'GLsizei'):
- return 'glGetIntegerv', 'GLint'
+ if self.long_suffix:
+ return self.prefix + 'Integerv', 'GLint'
+ else:
+ return self.prefix + 'iv', 'GLint'
else:
print alias.expr
assert False
def visit_enum(self, enum):
- return 'glGetIntegerv', 'GLint'
+ return self.visit(glapi.GLint)
def visit_bitmask(self, bitmask):
- return 'glGetIntegerv', 'GLint'
+ return self.visit(glapi.GLint)
def visit_opaque(self, pointer):
- return 'glGetPointerv', 'GLvoid *'
+ return self.prefix + 'Pointerv', 'GLvoid *'
class GlTracer(Tracer):
arrays.reverse()
def state_tracker_decl(self, api):
+ print '// Whether user arrays were used'
+ print 'static bool __user_arrays = false;'
+ print
# Whether we need user arrays
print 'static inline bool __need_user_arrays(void)'
print '{'
+ print ' if (!__user_arrays) {'
+ print ' return false;'
+ print ' }'
+ print
+
for camelcase_name, uppercase_name in self.arrays:
function_name = 'gl%sPointer' % camelcase_name
enable_name = 'GL_%s_ARRAY' % uppercase_name
binding_name = 'GL_%s_ARRAY_BUFFER_BINDING' % uppercase_name
print ' // %s' % function_name
+ self.array_prolog(api, uppercase_name)
print ' if (__glIsEnabled(%s)) {' % enable_name
print ' GLint __binding = 0;'
print ' __glGetIntegerv(%s, &__binding);' % binding_name
print ' if (!__binding) {'
+ self.array_cleanup(api, uppercase_name)
print ' return true;'
print ' }'
print ' }'
+ self.array_epilog(api, uppercase_name)
print
+ print ' // glVertexAttribPointer'
+ print ' GLint __max_vertex_attribs = 0;'
+ print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
+ print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
+ print ' GLint __enabled = 0;'
+ print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &__enabled);'
+ print ' if (__enabled) {'
+ print ' GLint __binding = 0;'
+ print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, &__binding);'
+ print ' if (!__binding) {'
+ print ' return true;'
+ print ' }'
+ print ' }'
+ print ' }'
+ print
+
print ' return false;'
print '}'
print
print 'static void __trace_user_arrays(GLuint maxindex);'
print
+
+ print 'struct buffer_mapping {'
+ print ' void *map;'
+ print ' GLint length;'
+ print ' bool write;'
+ print '};'
+ print
+ for target in self.buffer_targets:
+ print 'struct buffer_mapping __%s_mapping;' % target.lower();
+ print
+ print 'static inline struct buffer_mapping *'
+ print 'get_buffer_mapping(GLenum target) {'
+ print ' switch(target) {'
+ for target in self.buffer_targets:
+ print ' case GL_%s:' % target
+ print ' return & __%s_mapping;' % target.lower()
+ print ' default:'
+ print ' OS::DebugMessage("warning: unknown buffer target 0x%04X\\n", target);'
+ print ' return NULL;'
+ print ' }'
+ print '}'
+ print
+
+ # Generate memcpy's signature
+ self.trace_function_decl(glapi.memcpy)
+
+ # Generate a helper function to determine whether a parameter name
+ # refers to a symbolic value or not
+ print 'static bool'
+ print 'is_symbolic_pname(GLenum pname) {'
+ print ' switch(pname) {'
+ for function, type, count, name in glstate.parameters:
+ if type is glapi.GLenum:
+ print ' case %s: return true;' % name
+ print ' default: return false;'
+ print ' }'
+ print '}'
+ print
+
+ # Generate a helper function to determine whether a parameter value is
+ # potentially symbolic or not; i.e., if the value can be represented in
+ # an enum or not
+ print 'template<class T>'
+ print 'static inline bool'
+ print 'is_symbolic_param(T param) {'
+ print ' return static_cast<T>(static_cast<GLenum>(param)) == param;'
+ print '}'
+ print
array_pointer_function_names = set((
"glVertexPointer",
"glFogCoordPointer",
"glSecondaryColorPointer",
- "glVertexPointerEXT",
- "glNormalPointerEXT",
- "glColorPointerEXT",
- "glIndexPointerEXT",
- "glTexCoordPointerEXT",
- "glEdgeFlagPointerEXT",
- "glFogCoordPointerEXT",
- "glSecondaryColorPointerEXT",
+ #"glVertexPointerEXT",
+ #"glNormalPointerEXT",
+ #"glColorPointerEXT",
+ #"glIndexPointerEXT",
+ #"glTexCoordPointerEXT",
+ #"glEdgeFlagPointerEXT",
+ #"glFogCoordPointerEXT",
+ #"glSecondaryColorPointerEXT",
"glVertexAttribPointer",
"glVertexAttribPointerARB",
print ' GLint __array_buffer = 0;'
print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
print ' if (!__array_buffer) {'
+ print ' __user_arrays = true;'
self.dispatch_function(function)
print ' return;'
print ' }'
print ' GLint __array_buffer = 0;'
print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
print ' if (!__array_buffer) {'
+ print ' __user_arrays = true;'
self.dispatch_function(function)
print
print ' return;'
print ' }'
+ # Emit a fake memcpy on
+ if function.name in ('glUnmapBuffer', 'glUnmapBufferARB'):
+ print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
+ print ' if (mapping && mapping->write) {'
+ print ' unsigned __call = Trace::BeginEnter(__memcpy_sig);'
+ print ' Trace::BeginArg(0);'
+ print ' Trace::LiteralOpaque(mapping->map);'
+ print ' Trace::EndArg();'
+ print ' Trace::BeginArg(1);'
+ print ' Trace::LiteralBlob(mapping->map, mapping->length);'
+ print ' Trace::EndArg();'
+ print ' Trace::BeginArg(2);'
+ print ' Trace::LiteralUInt(mapping->length);'
+ print ' Trace::EndArg();'
+ print ' Trace::EndEnter();'
+ print ' Trace::BeginLeave(__call);'
+ print ' Trace::EndLeave();'
+ print ' }'
+
Tracer.trace_function_impl_body(self, function)
+
+ buffer_targets = [
+ 'ARRAY_BUFFER',
+ 'ELEMENT_ARRAY_BUFFER',
+ 'PIXEL_PACK_BUFFER',
+ 'PIXEL_UNPACK_BUFFER',
+ ]
+
+ def wrap_ret(self, function, instance):
+ Tracer.wrap_ret(self, function, instance)
+
+ if function.name in ('glMapBuffer', 'glMapBufferARB'):
+ print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
+ print ' if (mapping) {'
+ print ' mapping->map = %s;' % (instance)
+ print ' mapping->length = 0;'
+ print ' __glGetBufferParameteriv(target, GL_BUFFER_SIZE, &mapping->length);'
+ print ' mapping->write = (access != GL_READ_ONLY);'
+ print ' }'
+
+ if function.name == 'glMapBufferRange':
+ print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
+ print ' if (mapping) {'
+ print ' mapping->map = %s;' % (instance)
+ print ' mapping->length = length;'
+ print ' mapping->write = access & GL_MAP_WRITE_BIT;'
+ print ' }'
boolean_names = [
'GL_FALSE',
print ' }'
return
+ # Several GL state functions take GLenum symbolic names as
+ # integer/floats; so dump the symbolic name whenever possible
+ if arg.type in (glapi.GLint, glapi.GLfloat) and arg.name == 'param':
+ assert arg.index > 0
+ assert function.args[arg.index - 1].name == 'pname'
+ assert function.args[arg.index - 1].type == glapi.GLenum
+ print ' if (is_symbolic_pname(pname) && is_symbolic_param(%s)) {' % arg.name
+ dump_instance(glapi.GLenum, arg.name)
+ print ' } else {'
+ Tracer.dump_arg_instance(self, function, arg)
+ print ' }'
+ return
+
Tracer.dump_arg_instance(self, function, arg)
def state_tracker_impl(self, api):
# update the state
print 'static void __trace_user_arrays(GLuint maxindex)'
print '{'
+
for camelcase_name, uppercase_name in self.arrays:
function_name = 'gl%sPointer' % camelcase_name
enable_name = 'GL_%s_ARRAY' % uppercase_name
function = api.get_function_by_name(function_name)
print ' // %s' % function.name
- print ' if (__glIsEnabled(%s)) {;' % enable_name
+ self.array_trace_prolog(api, uppercase_name)
+ self.array_prolog(api, uppercase_name)
+ print ' if (__glIsEnabled(%s)) {' % enable_name
print ' GLint __binding = 0;'
print ' __glGetIntegerv(%s, &__binding);' % binding_name
print ' if (!__binding) {'
print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
# Emit a fake function
+ self.array_trace_intermezzo(api, uppercase_name)
print ' unsigned __call = Trace::BeginEnter(__%s_sig);' % (function.name,)
for arg in function.args:
assert not arg.output
print ' Trace::EndLeave();'
print ' }'
print ' }'
+ self.array_epilog(api, uppercase_name)
+ self.array_trace_epilog(api, uppercase_name)
print
+
+ # Samething, but for glVertexAttribPointer
+ print ' // glVertexAttribPointer'
+ print ' GLint __max_vertex_attribs = 0;'
+ print ' __glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &__max_vertex_attribs);'
+ print ' for (GLint index = 0; index < __max_vertex_attribs; ++index) {'
+ print ' GLint __enabled = 0;'
+ print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &__enabled);'
+ print ' if (__enabled) {'
+ print ' GLint __binding = 0;'
+ print ' __glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, &__binding);'
+ print ' if (!__binding) {'
+
+ function = api.get_function_by_name('glVertexAttribPointer')
+
+ # Get the arguments via glGet*
+ for arg in function.args[1:]:
+ arg_get_enum = 'GL_VERTEX_ATTRIB_ARRAY_%s' % (arg.name.upper(),)
+ arg_get_function, arg_type = TypeGetter('glGetVertexAttrib', False).visit(arg.type)
+ print ' %s %s = 0;' % (arg_type, arg.name)
+ print ' __%s(index, %s, &%s);' % (arg_get_function, arg_get_enum, arg.name)
+
+ arg_names = ', '.join([arg.name for arg in function.args[1:-1]])
+ print ' size_t __size = __%s_size(%s, maxindex);' % (function.name, arg_names)
+
+ # Emit a fake function
+ print ' unsigned __call = Trace::BeginEnter(__%s_sig);' % (function.name,)
+ for arg in function.args:
+ assert not arg.output
+ print ' Trace::BeginArg(%u);' % (arg.index,)
+ if arg.name != 'pointer':
+ dump_instance(arg.type, arg.name)
+ else:
+ print ' Trace::LiteralBlob((const void *)%s, __size);' % (arg.name)
+ print ' Trace::EndArg();'
+
+ print ' Trace::EndEnter();'
+ print ' Trace::BeginLeave(__call);'
+ print ' Trace::EndLeave();'
+ print ' }'
+ print ' }'
+ print ' }'
+ print
+
print '}'
print
+ #
+ # Hooks for glTexCoordPointer, which is identical to the other array
+ # pointers except the fact that it is indexed by glClientActiveTexture.
+ #
+
+ def array_prolog(self, api, uppercase_name):
+ if uppercase_name == 'TEXTURE_COORD':
+ print ' GLint client_active_texture = 0;'
+ print ' __glGetIntegerv(GL_CLIENT_ACTIVE_TEXTURE, &client_active_texture);'
+ print ' GLint max_texture_coords = 0;'
+ print ' __glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);'
+ print ' for (GLint unit = 0; unit < max_texture_coords; ++unit) {'
+ print ' GLenum texture = GL_TEXTURE0 + unit;'
+ print ' __glClientActiveTexture(texture);'
+
+ def array_trace_prolog(self, api, uppercase_name):
+ if uppercase_name == 'TEXTURE_COORD':
+ print ' bool client_active_texture_dirty = false;'
+
+ def array_epilog(self, api, uppercase_name):
+ if uppercase_name == 'TEXTURE_COORD':
+ print ' }'
+ self.array_cleanup(api, uppercase_name)
+
+ def array_cleanup(self, api, uppercase_name):
+ if uppercase_name == 'TEXTURE_COORD':
+ print ' __glClientActiveTexture(client_active_texture);'
+
+ def array_trace_intermezzo(self, api, uppercase_name):
+ if uppercase_name == 'TEXTURE_COORD':
+ print ' if (texture != client_active_texture || client_active_texture_dirty) {'
+ print ' client_active_texture_dirty = true;'
+ self.fake_glClientActiveTexture_call(api, "texture");
+ print ' }'
+
+ def array_trace_epilog(self, api, uppercase_name):
+ if uppercase_name == 'TEXTURE_COORD':
+ print ' if (client_active_texture_dirty) {'
+ self.fake_glClientActiveTexture_call(api, "client_active_texture");
+ print ' }'
+
+ def fake_glClientActiveTexture_call(self, api, texture):
+ function = api.get_function_by_name('glClientActiveTexture')
+ self.fake_call(function, [texture])
+
+ def fake_call(self, function, args):
+ print ' unsigned __fake_call = Trace::BeginEnter(__%s_sig);' % (function.name,)
+ for arg, instance in zip(function.args, args):
+ assert not arg.output
+ print ' Trace::BeginArg(%u);' % (arg.index,)
+ dump_instance(arg.type, instance)
+ print ' Trace::EndArg();'
+ print ' Trace::EndEnter();'
+ print ' Trace::BeginLeave(__fake_call);'
+ print ' Trace::EndLeave();'
+
+
+
+
+
projects / apitrace / blobdiff