import stdapi
import glapi
+import glparams
from glxapi import glxapi
from trace import Tracer, dump_instance
class GlTracer(Tracer):
- def header(self, api):
- Tracer.header(self, api)
- self.state_tracker_decl(api)
-
- def footer(self, api):
- Tracer.footer(self, api)
- self.state_tracker_impl(api)
-
arrays = [
("Vertex", "VERTEX"),
("Normal", "NORMAL"),
]
arrays.reverse()
- def state_tracker_decl(self, api):
+ def header(self, api):
+ Tracer.header(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 '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 glparams.parameters:
+ if type is glapi.GLenum:
+ print ' case %s:' % name
+ print ' return true;'
+ print ' default:'
+ print ' 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
+
+ # Generate a helper function to know how many elements a parameter has
+ print 'static size_t'
+ print 'pname_size(GLenum pname) {'
+ print ' switch(pname) {'
+ for function, type, count, name in glparams.parameters:
+ if type is not None:
+ print ' case %s: return %u;' % (name, count)
+ print ' case GL_COMPRESSED_TEXTURE_FORMATS: {'
+ print ' GLint num_compressed_texture_formats = 0;'
+ print ' __glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &num_compressed_texture_formats);'
+ print ' return num_compressed_texture_formats;'
+ print ' }'
+ print ' default:'
+ print r' OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);'
+ print ' return 1;'
+ print ' }'
+ print '}'
+ print
+
array_pointer_function_names = set((
"glVertexPointer",
"glNormalPointer",
"glFogCoordPointer",
"glSecondaryColorPointer",
- #"glVertexPointerEXT",
- #"glNormalPointerEXT",
- #"glColorPointerEXT",
- #"glIndexPointerEXT",
- #"glTexCoordPointerEXT",
- #"glEdgeFlagPointerEXT",
- #"glFogCoordPointerEXT",
- #"glSecondaryColorPointerEXT",
+ "glInterleavedArrays",
+
+ "glVertexPointerEXT",
+ "glNormalPointerEXT",
+ "glColorPointerEXT",
+ "glIndexPointerEXT",
+ "glTexCoordPointerEXT",
+ "glEdgeFlagPointerEXT",
+ "glFogCoordPointerEXT",
+ "glSecondaryColorPointerEXT",
"glVertexAttribPointer",
"glVertexAttribPointerARB",
"glVertexAttribPointerNV",
+ "glVertexAttribIPointer",
+ "glVertexAttribIPointerEXT",
"glVertexAttribLPointer",
"glVertexAttribLPointerEXT",
draw_function_names = set((
'glDrawArrays',
+ 'glDrawArraysEXT',
'glDrawElements',
'glDrawRangeElements',
+ 'glDrawRangeElementsEXT',
))
interleaved_formats = [
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)
+
+ # And also break down glInterleavedArrays into the individual calls
+ if function.name == 'glInterleavedArrays':
+ print
+
+ # Initialize the enable flags
+ for camelcase_name, uppercase_name in self.arrays:
+ flag_name = '__' + uppercase_name.lower()
+ print ' GLboolean %s = GL_FALSE;' % flag_name
+ print
+
+ # Switch for the interleaved formats
+ print ' switch (format) {'
+ for format in self.interleaved_formats:
+ print ' case %s:' % format
+ for camelcase_name, uppercase_name in self.arrays:
+ flag_name = '__' + uppercase_name.lower()
+ if format.find('_' + uppercase_name[0]) >= 0:
+ print ' %s = GL_TRUE;' % flag_name
+ print ' break;'
+ print ' default:'
+ print ' return;'
+ print ' }'
+ print
+
+ # Emit fake glEnableClientState/glDisableClientState flags
+ for camelcase_name, uppercase_name in self.arrays:
+ flag_name = '__' + uppercase_name.lower()
+ enable_name = 'GL_%s_ARRAY' % uppercase_name
+
+ # Emit a fake function
+ print ' {'
+ print ' static const Trace::FunctionSig &__sig = %s ? __glEnableClientState_sig : __glDisableClientState_sig;' % flag_name
+ print ' unsigned __call = Trace::BeginEnter(__sig);'
+ print ' Trace::BeginArg(0);'
+ dump_instance(glapi.GLenum, enable_name)
+ print ' Trace::EndArg();'
+ print ' Trace::EndEnter();'
+ print ' Trace::BeginLeave(__call);'
+ print ' Trace::EndLeave();'
+ print ' }'
+
print ' return;'
print ' }'
print ' __trace_user_arrays(maxindex);'
print ' }'
- # And also break down glInterleavedArrays into the individual calls
- if function.name == 'glInterleavedArrays':
- print ' GLint __array_buffer = 0;'
- print ' __glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
- print ' if (!__array_buffer) {'
- self.dispatch_function(function)
- print
-
- # Initialize the enable flags
- for camelcase_name, uppercase_name in self.arrays:
- flag_name = '__' + uppercase_name.lower()
- print ' GLboolean %s = GL_FALSE;' % flag_name
- print
-
- # Swicth for the interleaved formats
- print ' switch (format) {'
- for format in self.interleaved_formats:
- print ' case %s:' % format
- for camelcase_name, uppercase_name in self.arrays:
- flag_name = '__' + uppercase_name.lower()
- if format.find('_' + uppercase_name[0]) >= 0:
- print ' %s = GL_TRUE;' % flag_name
- print ' break;'
- print ' default:'
- print ' return;'
- print ' }'
- 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 ' }'
- # Emit fake glEnableClientState/glDisableClientState flags
- for camelcase_name, uppercase_name in self.arrays:
- flag_name = '__' + uppercase_name.lower()
- enable_name = 'GL_%s_ARRAY' % uppercase_name
-
- # Emit a fake function
- print ' {'
- print ' static const Trace::FunctionSig &__sig = %s ? __glEnableClientState_sig : __glDisableClientState_sig;' % flag_name
- print ' unsigned __call = Trace::BeginEnter(__sig);'
- print ' Trace::BeginArg(0);'
- dump_instance(glapi.GLenum, enable_name)
- 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',
+ ]
- print ' return;'
+ 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 ' }'
- Tracer.trace_function_impl_body(self, function)
+ 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):
- # A simple state tracker to track the pointer values
+ def footer(self, api):
+ Tracer.footer(self, api)
+ # A simple state tracker to track the pointer values
# update the state
print 'static void __trace_user_arrays(GLuint maxindex)'
print '{'
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 '}'
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();'
+
+
+
+
+