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LibAccelGfx: Switch from OpenGL ES 2.0 to OpenGL 3.3

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Desktop OpenGL 3.3 is currently supported by both EGL on Linux and
macOS.
This commit is contained in:
Aliaksandr Kalenik 2023-11-11 14:45:53 +01:00 • committed by Andreas Kling
parent 2d12d1538d
commit 99caf4e649
2 changed files with 24 additions and 9 deletions
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13
Userland/Libraries/LibAccelGfx/Context.cpp
View file

@ -49,6 +49,12 @@ OwnPtr<Context> Context::create()
EGLint minor;
eglInitialize(egl_display, &major, &minor);
EGLBoolean ok = eglBindAPI(EGL_OPENGL_API);
if (ok == EGL_FALSE) {
dbgln("eglBindAPI failed");
VERIFY_NOT_REACHED();
}
static EGLint const config_attributes[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_BLUE_SIZE, 8,
@ -64,10 +70,15 @@ OwnPtr<Context> Context::create()
eglChooseConfig(egl_display, config_attributes, &egl_config, 1, &num_configs);
static EGLint const context_attributes[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_CONTEXT_MAJOR_VERSION, 3,
EGL_CONTEXT_MINOR_VERSION, 3,
EGL_NONE
};
EGLContext egl_context = eglCreateContext(egl_display, egl_config, EGL_NO_CONTEXT, context_attributes);
if (egl_context == EGL_FALSE) {
dbgln("eglCreateContext failed");
VERIFY_NOT_REACHED();
}
EGLBoolean result = eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_context);
if (result == EGL_FALSE) {

20
Userland/Libraries/LibAccelGfx/Painter.cpp
View file

@ -43,23 +43,26 @@ Gfx::FloatRect Painter::to_clip_space(Gfx::FloatRect const& screen_rect) const
}
char const* vertex_shader_source = R"(
attribute vec2 aVertexPosition;
#version 330 core
in vec2 aVertexPosition;
void main() {
gl_Position = vec4(aVertexPosition, 0.0, 1.0);
}
)";
char const* solid_color_fragment_shader_source = R"(
precision mediump float;
#version 330 core
uniform vec4 uColor;
out vec4 fragColor;
void main() {
gl_FragColor = uColor;
fragColor = uColor;
}
)";
char const* blit_vertex_shader_source = R"(
attribute vec4 aVertexPosition;
varying vec2 vTextureCoord;
#version 330 core
in vec4 aVertexPosition;
out vec2 vTextureCoord;
void main() {
gl_Position = vec4(aVertexPosition.xy, 0.0, 1.0);
vTextureCoord = aVertexPosition.zw;
@ -67,12 +70,13 @@ void main() {
)";
char const* blit_fragment_shader_source = R"(
precision mediump float;
#version 330 core
uniform vec4 uColor;
varying vec2 vTextureCoord;
in vec2 vTextureCoord;
uniform sampler2D uSampler;
out vec4 fragColor;
void main() {
gl_FragColor = texture2D(uSampler, vTextureCoord) * uColor;
fragColor = texture2D(uSampler, vTextureCoord) * uColor;
}
)";