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Remove OSMesa specific code from offscreen example

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The OSMesa specific path is more appropriate for a test than an example.
This commit is contained in:
Camilla Löwy 2022-05-03 19:50:28 +02:00
parent 7dfd84c458
commit 5c3ebfb9cc
2 changed files with 0 additions and 18 deletions
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5
examples/CMakeLists.txt
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@ -50,11 +50,6 @@ set_target_properties(${GUI_ONLY_BINARIES} ${CONSOLE_BINARIES} PROPERTIES
C_STANDARD 99 C_STANDARD 99
FOLDER "GLFW3/Examples") FOLDER "GLFW3/Examples")
if (GLFW_USE_OSMESA)
find_package(OSMesa REQUIRED)
target_compile_definitions(offscreen PRIVATE USE_NATIVE_OSMESA)
endif()
if (MSVC) if (MSVC)
# Tell MSVC to use main instead of WinMain # Tell MSVC to use main instead of WinMain
set_target_properties(${GUI_ONLY_BINARIES} PROPERTIES set_target_properties(${GUI_ONLY_BINARIES} PROPERTIES

13
examples/offscreen.c
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@ -28,11 +28,6 @@
#define GLFW_INCLUDE_NONE #define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h> #include <GLFW/glfw3.h>
#if USE_NATIVE_OSMESA
#define GLFW_EXPOSE_NATIVE_OSMESA
#include <GLFW/glfw3native.h>
#endif
#include "linmath.h" #include "linmath.h"
#include <stdlib.h> #include <stdlib.h>
@ -151,12 +146,8 @@ int main(void)
glDrawArrays(GL_TRIANGLES, 0, 3); glDrawArrays(GL_TRIANGLES, 0, 3);
glFinish(); glFinish();
#if USE_NATIVE_OSMESA
glfwGetOSMesaColorBuffer(window, &width, &height, NULL, (void**) &buffer);
#else
buffer = calloc(4, width * height); buffer = calloc(4, width * height);
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer); glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
#endif
// Write image Y-flipped because OpenGL // Write image Y-flipped because OpenGL
stbi_write_png("offscreen.png", stbi_write_png("offscreen.png",
@ -164,11 +155,7 @@ int main(void)
buffer + (width * 4 * (height - 1)), buffer + (width * 4 * (height - 1)),
-width * 4); -width * 4);
#if USE_NATIVE_OSMESA
// Here is where there's nothing
#else
free(buffer); free(buffer);
#endif
glfwDestroyWindow(window); glfwDestroyWindow(window);