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Fix Clang warning with offsetof() macro? Added -Wall in OpenGL 3 example.

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docking
ocornut 10 years ago
parent 71e20680db
commit 987188d437
4 changed files with 12 additions and 12 deletions
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9
examples/opengl3_example/Makefile
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@ -11,7 +11,7 @@
# http://www.glfw.org
#
CXX = g++
#CXX = g++
OBJS = main.o
OBJS += ../../imgui.o
@ -22,6 +22,7 @@ UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S), Linux) #LINUX
ECHO_MESSAGE = "Linux"
CXXFLAGS = -I../../ `pkg-config --cflags glfw3`
CXXFLAGS += -Wall
LIBS = `pkg-config --static --libs glfw3` -lGLEW
endif
@ -32,11 +33,9 @@ ifeq ($(UNAME_S), Darwin) #APPLE
LIBS += -L/usr/local/Cellar/glew/1.10.0/lib -L/usr/local/lib
LIBS += -lglew -lglfw3
CXXFLAGS = -I/usr/local/Cellar/glew/1.10.0/include -I/usr/local/include
CXXFLAGS += -I../../
CXXFLAGS = -I../../ -I/usr/local/Cellar/glew/1.10.0/include -I/usr/local/include
CXXFLAGS += -Wall
# CXXFLAGS += -D__APPLE__
endif
.cpp.o:

7
examples/opengl3_example/main.cpp
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@ -12,6 +12,7 @@
#define GLEW_STATIC
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#define OFFSETOF(TYPE, ELEMENT) ((size_t)&(((TYPE *)0)->ELEMENT))
static GLFWwindow* window;
static GLuint fontTex;
@ -233,9 +234,9 @@ void InitGL()
glEnableVertexAttribArray(uv_location);
glEnableVertexAttribArray(colour_location);
glVertexAttribPointer(position_location, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*) offsetof(ImDrawVert, pos));
glVertexAttribPointer(uv_location, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*) offsetof(ImDrawVert, uv));
glVertexAttribPointer(colour_location, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*) offsetof(ImDrawVert, col));
glVertexAttribPointer(position_location, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)OFFSETOF(ImDrawVert, pos));
glVertexAttribPointer(uv_location, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)OFFSETOF(ImDrawVert, uv));
glVertexAttribPointer(colour_location, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*)OFFSETOF(ImDrawVert, col));
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}

1
examples/opengl_example/Makefile
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@ -35,7 +35,6 @@ ifeq ($(UNAME_S), Darwin) #APPLE
CXXFLAGS = -I../../ -I/usr/local/Cellar/glew/1.10.0/include -I/usr/local/include
CXXFLAGS += -Wall
# CXXFLAGS += -D__APPLE__
endif

7
examples/opengl_example/main.cpp
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@ -12,6 +12,7 @@
#define GLEW_STATIC
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#define OFFSETOF(TYPE, ELEMENT) ((size_t)&(((TYPE *)0)->ELEMENT))
static GLFWwindow* window;
static GLuint fontTex;
@ -60,9 +61,9 @@ static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_c
{
const ImDrawList* cmd_list = cmd_lists[n];
const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->vtx_buffer.front();
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + offsetof(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + offsetof(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)(vtx_buffer + offsetof(ImDrawVert, col)));
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, col)));
int vtx_offset = 0;
for (size_t cmd_i = 0; cmd_i < cmd_list->commands.size(); cmd_i++)

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