Use auto and range-based for loops a few places where it aids clarity.

[movit] / resource_pool.cpp

diff --git a/resource_pool.cpp b/resource_pool.cpp
index 4cf42ebe899c98e63b9aefb8a770cabb7903a8da..af8380f47a884201176622c535e84bd8bdb87b77 100644 (file)
--- a/resource_pool.cpp
+++ b/resource_pool.cpp
@@ -33,18 +33,13 @@ ResourcePool::~ResourcePool()
 {
        assert(program_refcount.empty());
 
-       for (list<GLuint>::const_iterator freelist_it = program_freelist.begin();
-            freelist_it != program_freelist.end();
-            ++freelist_it) {
-               delete_program(*freelist_it);
+       for (GLuint program : program_freelist) {
+               delete_program(program);
        }
        assert(programs.empty());
        assert(program_shaders.empty());
 
-       for (list<GLuint>::const_iterator freelist_it = texture_freelist.begin();
-            freelist_it != texture_freelist.end();
-            ++freelist_it) {
-               GLuint free_texture_num = *freelist_it;
+       for (GLuint free_texture_num : texture_freelist) {
                assert(texture_formats.count(free_texture_num) != 0);
                texture_freelist_bytes -= estimate_texture_size(texture_formats[free_texture_num]);
                texture_formats.erase(free_texture_num);
@@ -57,18 +52,13 @@ ResourcePool::~ResourcePool()
        void *context = get_gl_context_identifier();
        cleanup_unlinked_fbos(context);
 
-       for (map<void *, std::list<FBOFormatIterator>>::iterator context_it = fbo_freelist.begin();
-            context_it != fbo_freelist.end();
-            ++context_it) {
-               if (context_it->first != context) {
+       for (const auto &context_and_fbos : fbo_freelist) {
+               if (context_and_fbos.first != context) {
                        // If this does not hold, the client should have called clean_context() earlier.
-                       assert(context_it->second.empty());
+                       assert(context_and_fbos.second.empty());
                        continue;
                }
-               for (list<FBOFormatIterator>::const_iterator freelist_it = context_it->second.begin();
-                    freelist_it != context_it->second.end();
-                    ++freelist_it) {
-                       FBOFormatIterator fbo_it = *freelist_it;
+               for (FBOFormatIterator fbo_it : context_and_fbos.second) {
                        glDeleteFramebuffers(1, &fbo_it->second.fbo_num);
                        check_error();
                        fbo_formats.erase(fbo_it);
@@ -318,7 +308,7 @@ void ResourcePool::unuse_glsl_program(GLuint instance_program_num)
 {
        pthread_mutex_lock(&lock);
 
-       map<GLuint, GLuint>::const_iterator master_it = program_masters.find(instance_program_num);
+       auto master_it = program_masters.find(instance_program_num);
        assert(master_it != program_masters.end());
 
        assert(program_instances.count(master_it->second));
@@ -336,7 +326,7 @@ GLuint ResourcePool::create_2d_texture(GLint internal_format, GLsizei width, GLs
 
        pthread_mutex_lock(&lock);
        // See if there's a texture on the freelist we can use.
-       for (list<GLuint>::iterator freelist_it = texture_freelist.begin();
+       for (auto freelist_it = texture_freelist.begin();
             freelist_it != texture_freelist.end();
             ++freelist_it) {
                GLuint texture_num = *freelist_it;
@@ -473,12 +463,10 @@ void ResourcePool::release_2d_texture(GLuint texture_num)
                // not be in the right context, so don't delete it right away;
                // the cleanup in release_fbo() (which calls cleanup_unlinked_fbos())
                // will take care of actually doing that later.
-               for (map<pair<void *, GLuint>, FBO>::iterator format_it = fbo_formats.begin();
-                    format_it != fbo_formats.end();
-                    ++format_it) {
+               for (auto &key_and_fbo : fbo_formats) {
                        for (unsigned i = 0; i < num_fbo_attachments; ++i) {
-                               if (format_it->second.texture_num[i] == free_texture_num) {
-                                       format_it->second.texture_num[i] = GL_INVALID_INDEX;
+                               if (key_and_fbo.second.texture_num[i] == free_texture_num) {
+                                       key_and_fbo.second.texture_num[i] = GL_INVALID_INDEX;
                                }
                        }
                }
@@ -502,9 +490,8 @@ GLuint ResourcePool::create_fbo(GLuint texture0_num, GLuint texture1_num, GLuint
        pthread_mutex_lock(&lock);
        if (fbo_freelist.count(context) != 0) {
                // See if there's an FBO on the freelist we can use.
-               list<FBOFormatIterator>::iterator end = fbo_freelist[context].end();
-               for (list<FBOFormatIterator>::iterator freelist_it = fbo_freelist[context].begin();
-                    freelist_it != end; ++freelist_it) {
+               auto end = fbo_freelist[context].end();
+               for (auto freelist_it = fbo_freelist[context].begin(); freelist_it != end; ++freelist_it) {
                        FBOFormatIterator fbo_it = *freelist_it;
                        if (fbo_it->second.texture_num[0] == texture0_num &&
                            fbo_it->second.texture_num[1] == texture1_num &&
@@ -585,9 +572,8 @@ GLuint ResourcePool::create_vec2_vao(const set<GLint> &attribute_indices, GLuint
        pthread_mutex_lock(&lock);
        if (vao_freelist.count(context) != 0) {
                // See if there's a VAO the freelist we can use.
-               list<VAOFormatIterator>::iterator end = vao_freelist[context].end();
-               for (list<VAOFormatIterator>::iterator freelist_it = vao_freelist[context].begin();
-                    freelist_it != end; ++freelist_it) {
+               auto end = vao_freelist[context].end();
+               for (auto freelist_it = vao_freelist[context].begin(); freelist_it != end; ++freelist_it) {
                        VAOFormatIterator vao_it = *freelist_it;
                        if (vao_it->second.vbo_num == vbo_num &&
                            vao_it->second.attribute_indices == attribute_indices) {
@@ -610,10 +596,10 @@ GLuint ResourcePool::create_vec2_vao(const set<GLint> &attribute_indices, GLuint
        glBindBuffer(GL_ARRAY_BUFFER, vbo_num);
        check_error();
 
-       for (set<GLint>::const_iterator attr_it = attribute_indices.begin(); attr_it != attribute_indices.end(); ++attr_it) {
-               glEnableVertexAttribArray(*attr_it);
+       for (GLint attr : attribute_indices) {
+               glEnableVertexAttribArray(attr);
                check_error();
-               glVertexAttribPointer(*attr_it, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
+               glVertexAttribPointer(attr, 2, GL_FLOAT, GL_FALSE, 0, BUFFER_OFFSET(0));
                check_error();
        }
 
@@ -658,8 +644,8 @@ void ResourcePool::clean_context()
 
 void ResourcePool::cleanup_unlinked_fbos(void *context)
 {
-       list<FBOFormatIterator>::iterator end = fbo_freelist[context].end();
-       for (list<FBOFormatIterator>::iterator freelist_it = fbo_freelist[context].begin(); freelist_it != end; ) {
+       auto end = fbo_freelist[context].end();
+       for (auto freelist_it = fbo_freelist[context].begin(); freelist_it != end; ) {
                FBOFormatIterator fbo_it = *freelist_it;
 
                bool all_unlinked = true;