X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=glwrap.c;h=ec03ce79c05bed6ed2e2126a4f317a25276dc353;hb=8dc8bcb282b0948605e4b526b9787f51c56301d6;hp=e92889a7688da5efb636f1fc4503c251e3f91b79;hpb=5569357a9fc7189c2bae43773f44ba576583ec2b;p=fips diff --git a/glwrap.c b/glwrap.c index e92889a..ec03ce7 100644 --- a/glwrap.c +++ b/glwrap.c @@ -19,6 +19,8 @@ * THE SOFTWARE. */ +#include "dlwrap.h" + /* The prototypes for some OpenGL functions changed at one point from: * * const void* *indices @@ -36,388 +38,96 @@ */ #define const +#define GL_GLEXT_PROTOTYPES +#include + #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); }