gltrace: Move vertex array count helpers to a different module.

4 files changed, 263 insertions, 0 deletions

diff --git a/wrappers/CMakeLists.txt b/wrappers/CMakeLists.txt
index 622897e4..5e29b1ac 100644
--- a/wrappers/CMakeLists.txt
+++ b/wrappers/CMakeLists.txt
@@ -91,6 +91,7 @@ target_link_libraries (trace
 add_convenience_library (gltrace_common
     glcaps.cpp
     config.cpp
+    gltrace_arrays.cpp
     gltrace_state.cpp
 )
 add_dependencies (gltrace_common glproc)
diff --git a/wrappers/gltrace.py b/wrappers/gltrace.py
index 2786ed48..ae8d725f 100644
--- a/wrappers/gltrace.py
+++ b/wrappers/gltrace.py
@@ -117,6 +117,7 @@ class GlTracer(Tracer):
         print '#include <algorithm>'
         print
         print '#include "gltrace.hpp"'
+        print '#include "gltrace_arrays.hpp"'
         print
         
         # Which glVertexAttrib* variant to use
diff --git a/wrappers/gltrace_arrays.cpp b/wrappers/gltrace_arrays.cpp
new file mode 100644
index 00000000..b2b1eb38
--- /dev/null
+++ b/wrappers/gltrace_arrays.cpp
@@ -0,0 +1,171 @@
+/**************************************************************************
+ *
+ * Copyright 2010-2016 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ **************************************************************************/
+
+
+#include "gltrace_arrays.hpp"
+
+
+GLuint
+_glDrawArrays_count(GLint first, GLsizei count)
+{
+    if (!count) {
+        return 0;
+    }
+    return first + count;
+}
+
+
+GLuint
+_glDrawElementsBaseVertex_count(GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
+{
+    GLvoid *temp = 0;
+
+    if (!count) {
+        return 0;
+    }
+
+    GLint element_array_buffer = _element_array_buffer_binding();
+    if (element_array_buffer) {
+        // Read indices from index buffer object
+        GLintptr offset = (GLintptr)indices;
+        GLsizeiptr size = count*_gl_type_size(type);
+        temp = malloc(size);
+        if (!temp) {
+            return 0;
+        }
+        memset(temp, 0, size);
+        _glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
+        indices = temp;
+    } else {
+        if (!indices) {
+            return 0;
+        }
+    }
+
+    GLuint maxindex = 0;
+
+    GLboolean restart_enabled = _glIsEnabled(GL_PRIMITIVE_RESTART);
+    while ((_glGetError() == GL_INVALID_ENUM))
+        ;
+
+    GLuint restart_index = 0;
+    if (restart_enabled) {
+        restart_index = (GLuint)_glGetInteger(GL_PRIMITIVE_RESTART_INDEX);
+    }
+
+    GLsizei i;
+    if (type == GL_UNSIGNED_BYTE) {
+        const GLubyte *p = (const GLubyte *)indices;
+        for (i = 0; i < count; ++i) {
+            GLuint index = p[i];
+            if (restart_enabled && index == restart_index) {
+                continue;
+            }
+            if (index > maxindex) {
+                maxindex = index;
+            }
+        }
+    } else if (type == GL_UNSIGNED_SHORT) {
+        const GLushort *p = (const GLushort *)indices;
+        for (i = 0; i < count; ++i) {
+            GLuint index = p[i];
+            if (restart_enabled && index == restart_index) {
+                continue;
+            }
+            if (index > maxindex) {
+                maxindex = index;
+            }
+        }
+    } else if (type == GL_UNSIGNED_INT) {
+        const GLuint *p = (const GLuint *)indices;
+        for (i = 0; i < count; ++i) {
+            GLuint index = p[i];
+            if (restart_enabled && index == restart_index) {
+                continue;
+            }
+            if (index > maxindex) {
+                maxindex = index;
+            }
+        }
+    } else {
+        os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
+    }
+
+    if (element_array_buffer) {
+        free(temp);
+    }
+
+    maxindex += basevertex;
+
+    return maxindex + 1;
+}
+
+
+GLuint
+_glDrawRangeElementsBaseVertex_count(GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices, GLint basevertex)
+{
+    if (end < start ||
+        count < 0) {
+        return 0;
+    }
+
+    return end + basevertex + 1;
+}
+
+
+GLuint
+_glMultiDrawArrays_count(const GLint *first, const GLsizei *count, GLsizei drawcount)
+{
+    GLuint _count = 0;
+    for (GLsizei draw = 0; draw < drawcount; ++draw) {
+        GLuint _count_draw = _glDrawArrays_count(first[draw], count[draw]);
+        _count = std::max(_count, _count_draw);
+    }
+    return _count;
+}
+
+
+GLuint
+_glMultiDrawElements_count(const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount)
+{
+    GLuint _count = 0;
+    for (GLsizei draw = 0; draw < drawcount; ++draw) {
+        GLuint _count_draw = _glDrawElements_count(count[draw], type, indices[draw]);
+        _count = std::max(_count, _count_draw);
+    }
+    return _count;
+}
+
+
+GLuint
+_glMultiDrawElementsBaseVertex_count(const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount, const GLint * basevertex)
+{
+    GLuint _count = 0;
+    for (GLsizei draw = 0; draw < drawcount; ++draw) {
+        GLuint _count_draw = _glDrawElementsBaseVertex_count(count[draw], type, indices[draw], basevertex[draw]);
+        _count = std::max(_count, _count_draw);
+    }
+    return _count;
+}
diff --git a/wrappers/gltrace_arrays.hpp b/wrappers/gltrace_arrays.hpp
new file mode 100644
index 00000000..d3b2662a
--- /dev/null
+++ b/wrappers/gltrace_arrays.hpp
@@ -0,0 +1,90 @@
+/**************************************************************************
+ *
+ * Copyright 2010-2016 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ **************************************************************************/
+
+#pragma once
+
+
+#include "glproc.hpp"
+#include "glsize.hpp"
+
+
+GLuint
+_glDrawArrays_count(GLint first, GLsizei count);
+
+#define _glDrawArraysEXT_count _glDrawArrays_count
+
+GLuint
+_glDrawElementsBaseVertex_count(GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex);
+
+GLuint
+_glDrawRangeElementsBaseVertex_count(GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices, GLint basevertex);
+
+
+#define _glDrawElements_count(count, type, indices) _glDrawElementsBaseVertex_count(count, type, indices, 0)
+#define _glDrawRangeElements_count(start, end, count, type, indices) _glDrawRangeElementsBaseVertex_count(start, end, count, type, indices, 0)
+#define _glDrawRangeElementsEXT_count _glDrawRangeElements_count
+
+/* FIXME take in consideration instancing */
+#define _glDrawArraysInstanced_count(first, count, primcount) _glDrawArrays_count(first, count)
+#define _glDrawElementsInstanced_count(count, type, indices, primcount) _glDrawElements_count(count, type, indices)
+#define _glDrawElementsInstancedBaseVertex_count(count, type, indices, primcount, basevertex) _glDrawElementsBaseVertex_count(count, type, indices, basevertex)
+#define _glDrawRangeElementsInstanced_count(start, end, count, type, indices, primcount) _glDrawRangeElements_count(start, end, count, type, indices)
+#define _glDrawRangeElementsInstancedBaseVertex_count(start, end, count, type, indices, primcount, basevertex) _glDrawRangeElementsBaseVertex_count(start, end, count, type, indices, basevertex)
+
+#define _glDrawArraysInstancedBaseInstance_count(first, count, primcount, baseinstance) _glDrawArrays_count(first, count)
+#define _glDrawElementsInstancedBaseInstance_count(count, type, indices, primcount, baseinstance) _glDrawElements_count(count, type, indices)
+#define _glDrawElementsInstancedBaseVertexBaseInstance_count(count, type, indices, primcount, basevertex, baseinstance) _glDrawElementsBaseVertex_count(count, type, indices, basevertex)
+
+#define _glDrawArraysInstancedARB_count _glDrawArraysInstanced_count
+#define _glDrawArraysInstancedEXT_count _glDrawArraysInstanced_count
+#define _glDrawArraysInstancedANGLE_count _glDrawArraysInstanced_count
+#define _glDrawArraysInstancedBaseInstanceEXT_count _glDrawArraysInstancedBaseInstance_count
+#define _glDrawElementsBaseVertexEXT_count _glDrawElementsBaseVertex_count
+#define _glDrawElementsInstancedARB_count _glDrawElementsInstanced_count
+#define _glDrawElementsInstancedEXT_count _glDrawElementsInstanced_count
+#define _glDrawElementsInstancedANGLE_count _glDrawElementsInstanced_count
+#define _glDrawElementsInstancedBaseInstanceEXT_count _glDrawElementsInstancedBaseInstance_count
+#define _glDrawElementsInstancedBaseVertexEXT_count _glDrawElementsInstancedBaseVertex_count
+#define _glDrawElementsInstancedBaseVertexBaseInstanceEXT_count _glDrawElementsInstancedBaseVertexBaseInstance_count
+#define _glDrawRangeElementsBaseVertexEXT_count _glDrawRangeElementsBaseVertex_count
+
+
+GLuint
+_glMultiDrawArrays_count(const GLint *first, const GLsizei *count, GLsizei drawcount);
+
+GLuint
+_glMultiDrawElements_count(const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount);
+
+GLuint
+_glMultiDrawElementsBaseVertex_count(const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount, const GLint * basevertex);
+
+#define _glMultiDrawArraysEXT_count _glMultiDrawArrays_count
+#define _glMultiDrawElementsEXT_count _glMultiDrawElements_count
+#define _glMultiDrawElementsBaseVertexEXT_count _glMultiDrawElementsBaseVertex_count
+
+#define _glMultiModeDrawArraysIBM_count(first, count, drawcount, modestride) _glMultiDrawArrays_count(first, count, drawcount)
+#define _glMultiModeDrawElementsIBM_count(count, type, indices, drawcount, modestride) _glMultiDrawElements_count(count, type, (const GLvoid **)indices, drawcount)
+
+