# IN THE SOFTWARE.
# This script generates the file api_exec.c, which contains
-# _mesa_create_exec_table(). It is responsible for populating all
+# _mesa_initialize_exec_table(). It is responsible for populating all
# entries in the "exec" dispatch table that aren't dynamic.
+import argparse
import collections
import license
import gl_XML
-import sys, getopt
+import sys
+import apiexec
exec_flavor_map = {
*/
-#include "main/mfeatures.h"
#include "main/accum.h"
#include "main/api_loopback.h"
#include "main/api_exec.h"
#include "main/atifragshader.h"
#include "main/attrib.h"
#include "main/blend.h"
+#include "main/blit.h"
#include "main/bufferobj.h"
#include "main/arrayobj.h"
#include "main/buffers.h"
#include "main/clear.h"
#include "main/clip.h"
#include "main/colortab.h"
+#include "main/compute.h"
#include "main/condrender.h"
#include "main/context.h"
#include "main/convolve.h"
+#include "main/copyimage.h"
#include "main/depth.h"
#include "main/dlist.h"
#include "main/drawpix.h"
#include "main/fog.h"
#include "main/fbobject.h"
#include "main/framebuffer.h"
+#include "main/genmipmap.h"
#include "main/hint.h"
#include "main/histogram.h"
#include "main/imports.h"
#include "main/lines.h"
#include "main/matrix.h"
#include "main/multisample.h"
+#include "main/objectlabel.h"
+#include "main/objectpurge.h"
+#include "main/performance_monitor.h"
+#include "main/pipelineobj.h"
#include "main/pixel.h"
#include "main/pixelstore.h"
#include "main/points.h"
#include "main/polygon.h"
+#include "main/program_resource.h"
#include "main/querymatrix.h"
#include "main/queryobj.h"
#include "main/readpix.h"
#include "main/texstate.h"
#include "main/texstorage.h"
#include "main/texturebarrier.h"
+#include "main/textureview.h"
#include "main/transformfeedback.h"
#include "main/mtypes.h"
#include "main/varray.h"
#include "main/viewport.h"
#include "main/shaderapi.h"
+#include "main/shaderimage.h"
#include "main/uniforms.h"
#include "main/syncobj.h"
+#include "main/formatquery.h"
#include "main/dispatch.h"
+#include "main/vdpau.h"
+#include "vbo/vbo.h"
/**
- * Initialize a dispatch table with pointers to Mesa's immediate-mode
- * commands.
+ * Initialize a context's exec table with pointers to Mesa's supported
+ * GL functions.
*
- * Pointers to glBegin()/glEnd() object commands and a few others
- * are provided via the GLvertexformat interface.
+ * This function depends on ctx->Version.
*
* \param ctx GL context to which \c exec belongs.
- * \param exec dispatch table.
*/
-struct _glapi_table *
-_mesa_create_exec_table(struct gl_context *ctx)
+void
+_mesa_initialize_exec_table(struct gl_context *ctx)
{
struct _glapi_table *exec;
- exec = _mesa_alloc_dispatch_table(_gloffset_COUNT);
- if (exec == NULL)
- return NULL;
+ exec = ctx->Exec;
+ assert(exec != NULL);
+ assert(ctx->Version > 0);
+
+ vbo_initialize_exec_dispatch(ctx, exec);
"""
footer = """
- return exec;
}
"""
raise Exception(
'Unrecognized exec flavor {0!r}'.format(f.exec_flavor))
condition_parts = []
- if f.desktop:
- if f.deprecated:
- condition_parts.append('ctx->API == API_OPENGL')
- else:
- condition_parts.append('_mesa_is_desktop_gl(ctx)')
- if 'es1' in f.api_map:
- condition_parts.append('ctx->API == API_OPENGLES')
- if 'es2' in f.api_map:
- if f.api_map['es2'] == 3:
- condition_parts.append('_mesa_is_gles3(ctx)')
- else:
- condition_parts.append('ctx->API == API_OPENGLES2')
+ if f.name in apiexec.functions:
+ ex = apiexec.functions[f.name]
+ unconditional_count = 0
+
+ if ex.compatibility is not None:
+ condition_parts.append('ctx->API == API_OPENGL_COMPAT')
+ unconditional_count += 1
+
+ if ex.core is not None:
+ condition_parts.append('ctx->API == API_OPENGL_CORE')
+ unconditional_count += 1
+
+ if ex.es1 is not None:
+ condition_parts.append('ctx->API == API_OPENGLES')
+ unconditional_count += 1
+
+ if ex.es2 is not None:
+ if ex.es2 > 20:
+ condition_parts.append('(ctx->API == API_OPENGLES2 && ctx->Version >= {0})'.format(ex.es2))
+ else:
+ condition_parts.append('ctx->API == API_OPENGLES2')
+ unconditional_count += 1
+
+ # If the function is unconditionally available in all four
+ # APIs, then it is always available. Replace the complex
+ # tautology condition with "true" and let GCC do the right
+ # thing.
+ if unconditional_count == 4:
+ condition_parts = ['true']
+ else:
+ if f.desktop:
+ if f.deprecated:
+ condition_parts.append('ctx->API == API_OPENGL_COMPAT')
+ else:
+ condition_parts.append('_mesa_is_desktop_gl(ctx)')
+ if 'es1' in f.api_map:
+ condition_parts.append('ctx->API == API_OPENGLES')
+ if 'es2' in f.api_map:
+ if f.api_map['es2'] > 2.0:
+ condition_parts.append('(ctx->API == API_OPENGLES2 && ctx->Version >= {0})'.format(int(f.api_map['es2'] * 10)))
+ else:
+ condition_parts.append('ctx->API == API_OPENGLES2')
+
if not condition_parts:
# This function does not exist in any API.
continue
print ' }'
-def show_usage():
- print "Usage: %s [-f input_file_name]" % sys.argv[0]
- sys.exit(1)
+def _parser():
+ """Parse arguments and return namespace."""
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f',
+ dest='filename',
+ default='gl_and_es_API.xml',
+ help='an xml file describing an API')
+ return parser.parse_args()
-if __name__ == '__main__':
- file_name = "gl_and_es_API.xml"
-
- try:
- (args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
- except Exception,e:
- show_usage()
-
- for (arg,val) in args:
- if arg == "-f":
- file_name = val
-
+def main():
+ """Main function."""
+ args = _parser()
printer = PrintCode()
-
- api = gl_XML.parse_GL_API(file_name)
+ api = gl_XML.parse_GL_API(args.filename)
printer.Print(api)
+
+
+if __name__ == '__main__':
+ main()
projects / mesa.git / blobdiff