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Added MSAA 4X support for EGL contexts

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This commit is contained in:
raysan5 2015-08-07 17:25:05 +02:00
parent b8b0247043
commit fd2b0c7c38
1 changed files with 12 additions and 4 deletions
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16
src/core.c
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@ -998,7 +998,8 @@ static void InitDisplay(int width, int height)
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE); // Avoid window being resizable
//glfwWindowHint(GLFW_DECORATED, GL_TRUE); // Border and buttons on Window
//glfwWindowHint(GLFW_RED_BITS, 8); // Bit depths of color components for default framebuffer
//glfwWindowHint(GLFW_RED_BITS, 8); // Framebuffer red color component bits
//glfwWindowHint(GLFW_DEPTH_BITS, 16); // Depthbuffer bits (24 by default)
//glfwWindowHint(GLFW_REFRESH_RATE, 0); // Refresh rate for fullscreen window
//glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API); // Default OpenGL API to use. Alternative: GLFW_OPENGL_ES_API
//glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers
@ -1097,7 +1098,14 @@ static void InitDisplay(int width, int height)
VC_RECT_T srcRect;
#endif
// TODO: if (configFlags & FLAG_MSAA_4X_HINT) activate (EGL_SAMPLES, 4)
EGLint samples = 0;
EGLint sampleBuffer = 0;
if (configFlags & FLAG_MSAA_4X_HINT)
{
samples = 4;
sampleBuffer = 1;
}
const EGLint framebufferAttribs[] =
{
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Type of context support -> Required on RPI?
@ -1108,8 +1116,8 @@ static void InitDisplay(int width, int height)
//EGL_ALPHA_SIZE, 8, // ALPHA bit depth
EGL_DEPTH_SIZE, 8, // Depth buffer size (Required to use Depth testing!)
//EGL_STENCIL_SIZE, 8, // Stencil buffer size
//EGL_SAMPLE_BUFFERS, 1, // Activate MSAA
//EGL_SAMPLES, 4, // 4x Antialiasing (Free on MALI GPUs)
EGL_SAMPLE_BUFFERS, sampleBuffer, // Activate MSAA
EGL_SAMPLES, samples, // 4x Antialiasing (Free on MALI GPUs)
EGL_NONE
};