* THE SOFTWARE.
*/
+#include "dlwrap.h"
+
/* The prototypes for some OpenGL functions changed at one point from:
*
* const void* *indices
*/
#define const
+#define GL_GLEXT_PROTOTYPES
+#include <GL/gl.h>
+
#include "fips.h"
-#include "fips-dispatch.h"
#include "glwrap.h"
#include "metrics.h"
-#include "dlwrap.h"
-
-static int inside_new_list = 0;
-
-void *
-glwrap_lookup (char *name)
-{
- const char *libgl_filename = "libGL.so.1";
- static void *libgl_handle = NULL;
-
- if (! libgl_handle) {
- libgl_handle = dlwrap_real_dlopen (libgl_filename, RTLD_NOW | RTLD_DEEPBIND);
- if (! libgl_handle) {
- fprintf (stderr, "Error: Failed to dlopen %s\n",
- libgl_filename);
- exit (1);
- }
- }
-
- return dlwrap_real_dlsym (libgl_handle, name);
-}
-
-/* Execute a glBeginQuery/glEndQuery pair around an OpenGL call. */
-#define TIMED_DEFER(function,...) do { \
- if (! inside_new_list) { \
- unsigned counter; \
- counter = metrics_add_counter (); \
- glBeginQuery (GL_TIME_ELAPSED, counter); \
- } \
- GLWRAP_DEFER(function, __VA_ARGS__); \
- if (! inside_new_list) { \
- glEndQuery (GL_TIME_ELAPSED); \
- } \
-} while (0);
-
-/* Thanks to apitrace source code for the list of OpenGL draw calls. */
-void
-glDrawArrays (GLenum mode, GLint first, GLsizei count)
-{
- TIMED_DEFER (glDrawArrays, mode, first, count);
-}
-
-void
-glDrawArraysEXT (GLenum mode, GLint first, GLsizei count)
-{
- TIMED_DEFER (glDrawArraysEXT, mode, first, count);
-}
-
-void
-glDrawArraysIndirect (GLenum mode, const GLvoid *indirect)
-{
- TIMED_DEFER (glDrawArraysIndirect, mode, indirect);
-}
-
-void
-glDrawArraysInstanced (GLenum mode, GLint first, GLsizei count,
- GLsizei primcount)
-{
- TIMED_DEFER (glDrawArraysInstanced, mode, first, count, primcount);
-}
-
-void
-glDrawArraysInstancedARB (GLenum mode, GLint first, GLsizei count,
- GLsizei primcount)
-{
- TIMED_DEFER (glDrawArraysInstancedARB, mode, first, count, primcount);
-}
-
-void
-glDrawArraysInstancedEXT (GLenum mode, GLint start, GLsizei count,
- GLsizei primcount)
-{
- TIMED_DEFER (glDrawArraysInstancedEXT, mode, start, count, primcount);
-}
-
-void
-glDrawArraysInstancedBaseInstance (GLenum mode, GLint first, GLsizei count,
- GLsizei primcount, GLuint baseinstance)
-{
- TIMED_DEFER (glDrawArraysInstancedBaseInstance, mode,
- first, count, primcount, baseinstance);
-}
-
-void
-glDrawMeshArraysSUN (GLenum mode, GLint first, GLsizei count, GLsizei width)
-{
- TIMED_DEFER (glDrawMeshArraysSUN, mode, first, count, width);
-}
-
-void
-glMultiDrawArrays (GLenum mode, const GLint *first,
- const GLsizei *count, GLsizei primcount)
-{
- TIMED_DEFER (glMultiDrawArrays, mode, first, count, primcount);
-}
-
-void
-glMultiDrawArraysEXT (GLenum mode, const GLint *first,
- const GLsizei *count, GLsizei primcount)
-{
- TIMED_DEFER (glMultiDrawArraysEXT, mode, first, count, primcount);
-}
-
-void
-glMultiModeDrawArraysIBM (const GLenum *mode, const GLint *first,
- const GLsizei *count, GLsizei primcount,
- GLint modestride)
-{
- TIMED_DEFER (glMultiModeDrawArraysIBM, mode,
- first, count, primcount, modestride);
-}
-
-void
-glMultiDrawArraysIndirect (GLenum mode, const void *indirect,
- GLsizei drawcount, GLsizei stride)
-{
- TIMED_DEFER (glMultiDrawArraysIndirect, mode, indirect, drawcount, stride);
-}
-
-void
-glMultiDrawArraysIndirectAMD (GLenum mode, const GLvoid *indirect,
- GLsizei primcount, GLsizei stride)
-{
- TIMED_DEFER (glMultiDrawArraysIndirectAMD, mode,
- indirect, primcount, stride);
-}
-
-void
-glDrawElements (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices)
-{
- TIMED_DEFER (glDrawElements, mode, count, type, indices);
-}
-
-void
-glDrawElementsBaseVertex (GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices, GLint basevertex)
-{
- TIMED_DEFER (glDrawElementsBaseVertex, mode, count,
- type, indices, basevertex);
-}
-
-void
-glDrawElementsIndirect (GLenum mode, GLenum type, const GLvoid *indirect)
-{
- TIMED_DEFER (glDrawElementsIndirect, mode, type, indirect);
-}
-
-void
-glDrawElementsInstanced (GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices, GLsizei primcount)
-{
- TIMED_DEFER (glDrawElementsInstanced, mode, count,
- type, indices, primcount);
-}
-
-void
-glDrawElementsInstancedARB (GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices, GLsizei primcount)
-{
- TIMED_DEFER (glDrawElementsInstancedARB, mode, count,
- type, indices, primcount);
-}
-
-void
-glDrawElementsInstancedEXT (GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices, GLsizei primcount)
-{
- TIMED_DEFER (glDrawElementsInstancedEXT, mode, count,
- type, indices, primcount);
-}
-
-void
-glDrawElementsInstancedBaseVertex (GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices, GLsizei primcount,
- GLint basevertex)
-{
- TIMED_DEFER (glDrawElementsInstancedBaseVertex, mode, count,
- type, indices, primcount, basevertex);
-}
-
-void
-glDrawElementsInstancedBaseInstance (GLenum mode, GLsizei count, GLenum type,
- const void *indices, GLsizei primcount,
- GLuint baseinstance)
-{
- TIMED_DEFER (glDrawElementsInstancedBaseInstance, mode, count, type,
- indices, primcount, baseinstance);
-}
+static void *gl_handle;
void
-glDrawElementsInstancedBaseVertexBaseInstance (GLenum mode, GLsizei count,
- GLenum type, const void *indices, GLsizei primcount,
- GLint basevertex, GLuint baseinstance)
+glwrap_set_gl_handle (void *handle)
{
- TIMED_DEFER (glDrawElementsInstancedBaseVertexBaseInstance, mode,
- count, type, indices, primcount, basevertex, baseinstance);
+ if (gl_handle == NULL)
+ gl_handle = handle;
}
-void
-glDrawRangeElements (GLenum mode, GLuint start, GLuint end, GLsizei count,
- GLenum type, const GLvoid *indices)
-{
- TIMED_DEFER (glDrawRangeElements, mode, start, end,
- count, type, indices);
-}
-
-void
-glDrawRangeElementsEXT (GLenum mode, GLuint start, GLuint end, GLsizei count,
- GLenum type, const GLvoid *indices)
-{
- TIMED_DEFER (glDrawRangeElementsEXT, mode, start, end,
- count, type, indices);
-}
-
-void
-glDrawRangeElementsBaseVertex (GLenum mode, GLuint start, GLuint end,
- GLsizei count, GLenum type,
- const GLvoid *indices, GLint basevertex)
-{
- TIMED_DEFER (glDrawRangeElementsBaseVertex, mode, start, end,
- count, type, indices, basevertex);
-}
-
-void
-glMultiDrawElements (GLenum mode, const GLsizei *count, GLenum type,
- const GLvoid* *indices, GLsizei primcount)
-{
- TIMED_DEFER (glMultiDrawElements, mode, count, type,
- indices, primcount);
-}
-
-void
-glMultiDrawElementsBaseVertex (GLenum mode, const GLsizei *count,
- GLenum type, const GLvoid* *indices,
- GLsizei primcount, const GLint *basevertex)
-{
- TIMED_DEFER (glMultiDrawElementsBaseVertex, mode, count,
- type, indices, primcount, basevertex);
-}
-
-void
-glMultiDrawElementsEXT (GLenum mode, const GLsizei *count, GLenum type,
- const GLvoid* *indices, GLsizei primcount)
-{
- TIMED_DEFER (glMultiDrawElementsEXT, mode, count,
- type, indices, primcount);
-}
-
-void
-glMultiModeDrawElementsIBM (const GLenum *mode, const GLsizei *count,
- GLenum type, const GLvoid* const *indices,
- GLsizei primcount, GLint modestride)
-{
- TIMED_DEFER (glMultiModeDrawElementsIBM, mode, count,
- type, indices, primcount, modestride);
-}
-
-void
-glMultiDrawElementsIndirect (GLenum mode, GLenum type, const void *indirect,
- GLsizei drawcount, GLsizei stride)
-{
- TIMED_DEFER (glMultiDrawElementsIndirect, mode, type,
- indirect, drawcount, stride);
-}
-
-void
-glMultiDrawElementsIndirectAMD (GLenum mode, GLenum type,
- const GLvoid *indirect,
- GLsizei primcount, GLsizei stride)
-{
- TIMED_DEFER (glMultiDrawElementsIndirectAMD, mode, type,
- indirect, primcount, stride);
-}
-
-void
-glCallList (GLuint list)
-{
- TIMED_DEFER (glCallList, list);
-}
-
-void
-glCallLists (GLsizei n, GLenum type, const GLvoid *lists)
-{
- TIMED_DEFER (glCallLists, n, type, lists);
-}
-
-void
-glClear (GLbitfield mask)
-{
- TIMED_DEFER (glClear, mask);
-}
-
-/* We can't just use TIMED_DEFER for glBegin/glEnd since the
- * glBeginQuery/glEndQuery calls must both be outside
- * glBegin/glEnd. */
-void
-glBegin (GLenum mode)
+void *
+glwrap_lookup (char *name)
{
- if (! inside_new_list)
- {
- unsigned counter;
- counter = metrics_add_counter ();
- glBeginQuery (GL_TIME_ELAPSED, counter);
+ void *ret;
+
+ /* We don't call dlopen here to find the library in which to
+ * perform a dlsym lookup. That's because the application may
+ * be loading libGL.so or libGLESv2.so for its OpenGL symbols.
+ *
+ * So we instead watch for one of those filenames to go by in
+ * our dlopen wrapper, which will then call
+ * glwrap_set_gl_handle to give us the handle to use here.
+ *
+ * If the application hasn't called dlopen on a "libGL"
+ * library, then presumably the application is linked directly
+ * to an OpenGL implementation. In this case, we can use
+ * RTLD_NEXT to find the symbol.
+ *
+ * But just in case, we also let the user override that by
+ * specifying the FIPS_LIBGL environment variable to the path
+ * of the real libGL.so library that fips should dlopen here.
+ */
+ if (gl_handle == NULL) {
+ const char *path;
+
+ path = getenv ("FIPS_LIBGL");
+ if (path) {
+ gl_handle = dlopen (path, RTLD_LAZY);
+
+ if (gl_handle == NULL) {
+ fprintf (stderr, "Failed to dlopen FIPS_LIBGL: "
+ "%s\n", path);
+ exit (1);
+ }
+ } else {
+ gl_handle = RTLD_NEXT;
+ }
}
- GLWRAP_DEFER (glBegin, mode);
-}
+ ret = dlwrap_real_dlsym (gl_handle, name);
-void
-glEnd (void)
-{
- GLWRAP_DEFER (glEnd);
-
- if (! inside_new_list) {
- glEndQuery (GL_TIME_ELAPSED);
+ if (ret == NULL) {
+ fprintf (stderr, "Error: glwrap_lookup failed to dlsym %s\n",
+ name);
+ exit (1);
}
-}
-/* And we need to track display lists to avoid inserting queries
- * inside the list while it's being constructed. */
-void
-glNewList (GLuint list, GLenum mode)
-{
- inside_new_list = 1;
- GLWRAP_DEFER (glNewList, list, mode);
-}
-
-void
-glEndList (void)
-{
- GLWRAP_DEFER (glEndList);
- inside_new_list = 0;
-}
-
-void
-glDrawPixels (GLsizei width, GLsizei height, GLenum format,
- GLenum type, const GLvoid *pixels)
-{
- TIMED_DEFER (glDrawPixels, width, height, format, type, pixels);
-}
-
-void
-glBlitFramebuffer (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- TIMED_DEFER (glBlitFramebuffer,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
-}
-
-void
-glBlitFramebufferEXT (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- TIMED_DEFER (glBlitFramebufferEXT,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
+ return ret;
}
+/* With a program change, we stop the counter, update the
+ * active program, then start the counter up again. */
void
glUseProgram (GLuint program)
{
+ metrics_counter_stop ();
+
metrics_set_current_program (program);
+ metrics_counter_start ();
+
GLWRAP_DEFER(glUseProgram, program);
}
void
glUseProgramObjectARB (GLhandleARB programObj)
{
+ metrics_counter_stop ();
+
metrics_set_current_program (programObj);
+ metrics_counter_start ();
+
GLWRAP_DEFER(glUseProgramObjectARB, programObj);
}
projects / fips / blobdiff