stw: add some no-op functions for GL_EXT_dsa, GL_NV_half_float

Viewperf 12 calls wglGetProcAddress() to get pointers to some unsupported
DSA and half-float functions.  We return NULL but Viewperf doesn't check
for null before trying to jump through the pointer.  That causes a crash.

This patch adds no-op functions to call instead (used by the next patch).
This avoids the crash but the rendering is incorrect.

Some DSA functions are being added to Mesa at this time so we may be
able to remove some of these no-ops in the future.

More no-op functions may be added as needed.

VMware PR1383421

Reviewed-by: José Fonseca <[email protected]>

3 files changed, 476 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/wgl/Makefile.sources b/src/gallium/state_trackers/wgl/Makefile.sources
index d204efd429a..8c463d5f18e 100644
--- a/src/gallium/state_trackers/wgl/Makefile.sources
+++ b/src/gallium/state_trackers/wgl/Makefile.sources
@@ -8,6 +8,7 @@ C_SOURCES := \
 	stw_ext_swapinterval.c \
 	stw_framebuffer.c \
 	stw_getprocaddress.c \
+	stw_nopfuncs.c \
 	stw_pixelformat.c \
 	stw_st.c \
 	stw_tls.c \
diff --git a/src/gallium/state_trackers/wgl/stw_nopfuncs.c b/src/gallium/state_trackers/wgl/stw_nopfuncs.c
new file mode 100644
index 00000000000..d69c0134f37
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/stw_nopfuncs.c
@@ -0,0 +1,464 @@
+/**************************************************************************
+ *
+ * Copyright 2015 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * No-op GL API functions.
+ *
+ * Some OpenGL apps (like Viewperf12) call wglGetProcAddress() to get
+ * a pointer to an extension function, get a NULL pointer, but don't bother
+ * to check for NULL before jumping through the pointer.  This causes a
+ * crash.
+ *
+ * As a work-around we provide some no-op functions here to avoid those
+ * crashes.
+ */
+
+#include <GL/gl.h>
+#include "stw_nopfuncs.h"
+#include "util/u_debug.h"
+
+
+static void
+warning(const char *name)
+{
+   /* use name+4 to skip "nop_" prefix */
+   _debug_printf("Application calling unsupported %s function\n", name+4);
+}
+
+static void APIENTRY
+nop_glBindMultiTextureEXT(GLenum texunit, GLenum target, GLuint texture)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glColor3hNV(GLhalfNV red, GLhalfNV green, GLhalfNV blue)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glColor3hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glColor4hNV(GLhalfNV red, GLhalfNV green, GLhalfNV blue, GLhalfNV alpha)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glColor4hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glDisableClientStateIndexedEXT(GLenum array, GLuint index)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glEnableClientStateIndexedEXT(GLenum array, GLuint index)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glFogCoordhNV(GLhalfNV fog)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glFogCoordhvNV(const GLhalfNV *fog)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glGetNamedBufferParameterivEXT(GLuint buffer, GLenum pname, GLint *params)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glGetNamedBufferSubDataEXT(GLuint buffer, GLintptr offset, GLsizeiptr size, void *data)
+{
+   warning(__func__);
+}
+
+static void *APIENTRY
+nop_glMapNamedBufferEXT(GLuint buffer, GLenum access)
+{
+   warning(__func__);
+   return NULL;
+}
+
+static void APIENTRY
+nop_glMatrixLoadfEXT(GLenum mode, const GLfloat *m)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMatrixLoadIdentityEXT(GLenum mode)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord1hNV(GLenum target, GLhalfNV s)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord1hvNV(GLenum target, const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord2hNV(GLenum target, GLhalfNV s, GLhalfNV t)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord2hvNV(GLenum target, const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord3hNV(GLenum target, GLhalfNV s, GLhalfNV t, GLhalfNV r)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord3hvNV(GLenum target, const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord4hNV(GLenum target, GLhalfNV s, GLhalfNV t, GLhalfNV r, GLhalfNV q)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoord4hvNV(GLenum target, const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexCoordPointerEXT(GLenum texunit, GLint size, GLenum type, GLsizei stride, const void *pointer)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexEnvfEXT(GLenum texunit, GLenum target, GLenum pname, GLfloat param)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexEnvfvEXT(GLenum texunit, GLenum target, GLenum pname, const GLfloat *params)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexEnviEXT(GLenum texunit, GLenum target, GLenum pname, GLint param)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexGenfvEXT(GLenum texunit, GLenum coord, GLenum pname, const GLfloat *params)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glMultiTexGeniEXT(GLenum texunit, GLenum coord, GLenum pname, GLint param)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glNamedBufferDataEXT(GLuint buffer, GLsizeiptr size, const void *data, GLenum usage)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glNamedBufferSubDataEXT(GLuint buffer, GLintptr offset, GLsizeiptr size, const void *data)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glNamedProgramLocalParameter4fvEXT(GLuint program, GLenum target, GLuint index, const GLfloat *params)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glNamedProgramLocalParameters4fvEXT(GLuint program, GLenum target, GLuint index, GLsizei count, const GLfloat *params)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glNormal3hNV(GLhalfNV nx, GLhalfNV ny, GLhalfNV nz)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glNormal3hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glPatchParameterfv(GLenum pname, const GLfloat *values)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glPatchParameteri(GLenum pname, GLint value)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glSecondaryColor3hNV(GLhalfNV red, GLhalfNV green, GLhalfNV blue)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glSecondaryColor3hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord1hNV(GLhalfNV s)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord1hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord2hNV(GLhalfNV s, GLhalfNV t)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord2hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord3hNV(GLhalfNV s, GLhalfNV t, GLhalfNV r)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord3hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord4hNV(GLhalfNV s, GLhalfNV t, GLhalfNV r, GLhalfNV q)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTexCoord4hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTextureParameterfEXT(GLuint texture, GLenum target, GLenum pname, GLfloat param)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTextureParameterfvEXT(GLuint texture, GLenum target, GLenum pname, const GLfloat *params)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glTextureParameteriEXT(GLuint texture, GLenum target, GLenum pname, GLint param)
+{
+   warning(__func__);
+}
+
+static GLboolean APIENTRY
+nop_glUnmapNamedBufferEXT(GLuint buffer)
+{
+   warning(__func__);
+   return GL_FALSE;
+}
+
+static void APIENTRY
+nop_glVertex2hNV(GLhalfNV x, GLhalfNV y)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glVertex2hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glVertex3hNV(GLhalfNV x, GLhalfNV y, GLhalfNV z)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glVertex3hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glVertex4hNV(GLhalfNV x, GLhalfNV y, GLhalfNV z, GLhalfNV w)
+{
+   warning(__func__);
+}
+
+static void APIENTRY
+nop_glVertex4hvNV(const GLhalfNV *v)
+{
+   warning(__func__);
+}
+
+
+PROC
+stw_get_nop_function(const char *name)
+{
+   struct {
+      const char *name;
+      PROC p;
+   } table[] = {
+      { "glBindMultiTextureEXT", (PROC) nop_glBindMultiTextureEXT },
+      { "glColor3hNV", (PROC) nop_glColor3hNV },
+      { "glColor3hvNV", (PROC) nop_glColor3hvNV },
+      { "glColor4hNV", (PROC) nop_glColor4hNV },
+      { "glColor4hvNV", (PROC) nop_glColor4hvNV },
+      { "glDisableClientStateIndexedEXT", (PROC) nop_glDisableClientStateIndexedEXT },
+      { "glEnableClientStateIndexedEXT", (PROC) nop_glEnableClientStateIndexedEXT },
+      { "glFogCoordhNV", (PROC) nop_glFogCoordhNV },
+      { "glFogCoordhvNV", (PROC) nop_glFogCoordhvNV },
+      { "glGetNamedBufferParameterivEXT", (PROC) nop_glGetNamedBufferParameterivEXT },
+      { "glGetNamedBufferSubDataEXT", (PROC) nop_glGetNamedBufferSubDataEXT },
+      { "glMapNamedBufferEXT", (PROC) nop_glMapNamedBufferEXT },
+      { "glMatrixLoadfEXT", (PROC) nop_glMatrixLoadfEXT },
+      { "glMatrixLoadIdentityEXT", (PROC) nop_glMatrixLoadIdentityEXT },
+      { "glMultiTexCoord1hNV", (PROC) nop_glMultiTexCoord1hNV },
+      { "glMultiTexCoord1hvNV", (PROC) nop_glMultiTexCoord1hvNV },
+      { "glMultiTexCoord2hNV", (PROC) nop_glMultiTexCoord2hNV },
+      { "glMultiTexCoord2hvNV", (PROC) nop_glMultiTexCoord2hvNV },
+      { "glMultiTexCoord3hNV", (PROC) nop_glMultiTexCoord3hNV },
+      { "glMultiTexCoord3hvNV", (PROC) nop_glMultiTexCoord3hvNV },
+      { "glMultiTexCoord4hNV", (PROC) nop_glMultiTexCoord4hNV },
+      { "glMultiTexCoord4hvNV", (PROC) nop_glMultiTexCoord4hvNV },
+      { "glMultiTexCoordPointerEXT", (PROC) nop_glMultiTexCoordPointerEXT },
+      { "glMultiTexEnvfEXT", (PROC) nop_glMultiTexEnvfEXT },
+      { "glMultiTexEnvfvEXT", (PROC) nop_glMultiTexEnvfvEXT },
+      { "glMultiTexEnviEXT", (PROC) nop_glMultiTexEnviEXT },
+      { "glMultiTexGenfvEXT", (PROC) nop_glMultiTexGenfvEXT },
+      { "glMultiTexGeniEXT", (PROC) nop_glMultiTexGeniEXT },
+      { "glNamedBufferDataEXT", (PROC) nop_glNamedBufferDataEXT },
+      { "glNamedBufferSubDataEXT", (PROC) nop_glNamedBufferSubDataEXT },
+      { "glNamedProgramLocalParameter4fvEXT", (PROC) nop_glNamedProgramLocalParameter4fvEXT },
+      { "glNamedProgramLocalParameters4fvEXT", (PROC) nop_glNamedProgramLocalParameters4fvEXT },
+      { "glNormal3hNV", (PROC) nop_glNormal3hNV },
+      { "glNormal3hvNV", (PROC) nop_glNormal3hvNV },
+      { "glPatchParameterfv", (PROC) nop_glPatchParameterfv },
+      { "glPatchParameteri", (PROC) nop_glPatchParameteri },
+      { "glSecondaryColor3hNV", (PROC) nop_glSecondaryColor3hNV },
+      { "glSecondaryColor3hvNV", (PROC) nop_glSecondaryColor3hvNV },
+      { "glTexCoord1hNV", (PROC) nop_glTexCoord1hNV },
+      { "glTexCoord1hvNV", (PROC) nop_glTexCoord1hvNV },
+      { "glTexCoord2hNV", (PROC) nop_glTexCoord2hNV },
+      { "glTexCoord2hvNV", (PROC) nop_glTexCoord2hvNV },
+      { "glTexCoord3hNV", (PROC) nop_glTexCoord3hNV },
+      { "glTexCoord3hvNV", (PROC) nop_glTexCoord3hvNV },
+      { "glTexCoord4hNV", (PROC) nop_glTexCoord4hNV },
+      { "glTexCoord4hvNV", (PROC) nop_glTexCoord4hvNV },
+      { "glTextureParameterfEXT", (PROC) nop_glTextureParameterfEXT },
+      { "glTextureParameterfvEXT", (PROC) nop_glTextureParameterfvEXT },
+      { "glTextureParameteriEXT", (PROC) nop_glTextureParameteriEXT },
+      { "glUnmapNamedBufferEXT", (PROC) nop_glUnmapNamedBufferEXT },
+      { "glVertex2hNV", (PROC) nop_glVertex2hNV },
+      { "glVertex2hvNV", (PROC) nop_glVertex2hvNV },
+      { "glVertex3hNV", (PROC) nop_glVertex3hNV },
+      { "glVertex3hvNV", (PROC) nop_glVertex3hvNV },
+      { "glVertex4hNV", (PROC) nop_glVertex4hNV },
+      { "glVertex4hvNV", (PROC) nop_glVertex4hvNV },
+      { NULL, NULL }
+   };
+
+   int i;
+
+   for (i = 0; table[i].name; i++) {
+      if (strcmp(table[i].name, name) == 0)
+         return table[i].p;
+   }
+   return NULL;
+}
diff --git a/src/gallium/state_trackers/wgl/stw_nopfuncs.h b/src/gallium/state_trackers/wgl/stw_nopfuncs.h
new file mode 100644
index 00000000000..f00d420accf
--- /dev/null
+++ b/src/gallium/state_trackers/wgl/stw_nopfuncs.h
@@ -0,0 +1,11 @@
+
+
+#ifndef STW_NOPFUNCS_H
+#define STW_NOPFUNCS_H
+
+
+PROC
+stw_get_nop_function(const char *name);
+
+
+#endif /* STW_NOPFUNCS_H */