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changed tabs to spaces, docs mention thread safety

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This commit is contained in:
liavt 2017-07-24 18:54:19 -05:00
parent 030bec01cc
commit 5476477ee4
2 changed files with 86 additions and 90 deletions
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30
examples/simple.c
View File

@ -32,8 +32,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h> #include <stdio.h>
static const struct static const struct {
{
float x, y; float x, y;
float r, g, b; float r, g, b;
} vertices[3] = } vertices[3] =
@ -63,19 +62,16 @@ static const char* fragment_shader_text =
" gl_FragColor = vec4(color, 1.0);\n" " gl_FragColor = vec4(color, 1.0);\n"
"}\n"; "}\n";
static void error_callback(int error, const char* description) static void error_callback(int error, const char* description) {
{
fprintf(stderr, "Error: %s\n", description); fprintf(stderr, "Error: %s\n", description);
} }
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) {
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GLFW_TRUE); glfwSetWindowShouldClose(window, GLFW_TRUE);
} }
int main(void) int main(void) {
{
GLFWwindow* window; GLFWwindow* window;
GLuint vertex_buffer, vertex_shader, fragment_shader, program; GLuint vertex_buffer, vertex_shader, fragment_shader, program;
GLint mvp_location, vpos_location, vcol_location; GLint mvp_location, vpos_location, vcol_location;
@ -89,8 +85,7 @@ int main(void)
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL); window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL);
if (!window) if (!window) {
{
glfwTerminate(); glfwTerminate();
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -98,7 +93,7 @@ int main(void)
glfwSetKeyCallback(window, key_callback); glfwSetKeyCallback(window, key_callback);
glfwMakeContextCurrent(window); glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress); gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);
glfwSwapInterval(1); glfwSwapInterval(1);
// NOTE: OpenGL error checks have been omitted for brevity // NOTE: OpenGL error checks have been omitted for brevity
@ -126,30 +121,29 @@ int main(void)
glEnableVertexAttribArray(vpos_location); glEnableVertexAttribArray(vpos_location);
glVertexAttribPointer(vpos_location, 2, GL_FLOAT, GL_FALSE, glVertexAttribPointer(vpos_location, 2, GL_FLOAT, GL_FALSE,
sizeof(vertices[0]), (void*) 0); sizeof(vertices[0]), (void*)0);
glEnableVertexAttribArray(vcol_location); glEnableVertexAttribArray(vcol_location);
glVertexAttribPointer(vcol_location, 3, GL_FLOAT, GL_FALSE, glVertexAttribPointer(vcol_location, 3, GL_FLOAT, GL_FALSE,
sizeof(vertices[0]), (void*) (sizeof(float) * 2)); sizeof(vertices[0]), (void*)(sizeof(float) * 2));
while (!glfwWindowShouldClose(window)) while (!glfwWindowShouldClose(window)) {
{
float ratio; float ratio;
int width, height; int width, height;
mat4x4 m, p, mvp; mat4x4 m, p, mvp;
glfwGetFramebufferSize(window, &width, &height); glfwGetFramebufferSize(window, &width, &height);
ratio = width / (float) height; ratio = width / (float)height;
glViewport(0, 0, width, height); glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT);
mat4x4_identity(m); mat4x4_identity(m);
mat4x4_rotate_Z(m, m, (float) glfwGetTime()); mat4x4_rotate_Z(m, m, (float)glfwGetTime());
mat4x4_ortho(p, -ratio, ratio, -1.f, 1.f, 1.f, -1.f); mat4x4_ortho(p, -ratio, ratio, -1.f, 1.f, 1.f, -1.f);
mat4x4_mul(mvp, p, m); mat4x4_mul(mvp, p, m);
glUseProgram(program); glUseProgram(program);
glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat*) mvp); glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat*)mvp);
glDrawArrays(GL_TRIANGLES, 0, 3); glDrawArrays(GL_TRIANGLES, 0, 3);
glfwSwapBuffers(window); glfwSwapBuffers(window);

4
include/GLFW/glfw3.h
View File

@ -1554,7 +1554,7 @@ typedef struct GLFWgamepadstate
* Additional calls to this function after successful initialization but before * Additional calls to this function after successful initialization but before
* termination will return `GLFW_TRUE` immediately. * termination will return `GLFW_TRUE` immediately.
* *
* To check whether GLFW has been initializd, call @ref glfwIsInit. * To check whether GLFW has been initialized, call @ref glfwIsInit.
* *
* @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an
* [error](@ref error_handling) occurred. * [error](@ref error_handling) occurred.
@ -1592,6 +1592,8 @@ GLFWAPI int glfwInit(void);
* @sa @ref glfwTerminate * @sa @ref glfwTerminate
* @since Added in version 3.2.1 * @since Added in version 3.2.1
* *
* @thread_safety This function must only be called from the main thread.
*
* @ingroup init * @ingroup init
*/ */
GLFWAPI int glfwIsInit(void); GLFWAPI int glfwIsInit(void);