Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 54 insertions, 0 deletions

diff --git a/third_party/rust/wgpu-hal/src/gles/shaders/clear.frag b/third_party/rust/wgpu-hal/src/gles/shaders/clear.frag
new file mode 100644
index 0000000000..7766c12d9f
--- /dev/null
+++ b/third_party/rust/wgpu-hal/src/gles/shaders/clear.frag
@@ -0,0 +1,9 @@
+#version 300 es
+precision lowp float;
+uniform vec4 color;
+//Hack: Some WebGL implementations don't find "color" otherwise.
+uniform vec4 color_workaround;
+out vec4 frag;
+void main() {
+  frag = color + color_workaround;
+}
diff --git a/third_party/rust/wgpu-hal/src/gles/shaders/clear.vert b/third_party/rust/wgpu-hal/src/gles/shaders/clear.vert
new file mode 100644
index 0000000000..ac655e7f31
--- /dev/null
+++ b/third_party/rust/wgpu-hal/src/gles/shaders/clear.vert
@@ -0,0 +1,11 @@
+#version 300 es
+precision lowp float;
+// A triangle that fills the whole screen
+const vec2[3] TRIANGLE_POS = vec2[](
+  vec2( 0.0, -3.0),
+  vec2(-3.0,  1.0),
+  vec2( 3.0,  1.0)
+);
+void main() {
+  gl_Position = vec4(TRIANGLE_POS[gl_VertexID], 0.0, 1.0);
+}
\ No newline at end of file
diff --git a/third_party/rust/wgpu-hal/src/gles/shaders/srgb_present.frag b/third_party/rust/wgpu-hal/src/gles/shaders/srgb_present.frag
new file mode 100644
index 0000000000..853f82a6ae
--- /dev/null
+++ b/third_party/rust/wgpu-hal/src/gles/shaders/srgb_present.frag
@@ -0,0 +1,16 @@
+#version 300 es
+precision mediump float;
+in vec2 uv;
+uniform sampler2D present_texture;
+out vec4 frag;
+vec4 linear_to_srgb(vec4 linear) {
+    vec3 color_linear = linear.rgb;
+    vec3 selector = ceil(color_linear - 0.0031308); // 0 if under value, 1 if over
+    vec3 under = 12.92 * color_linear;
+    vec3 over = 1.055 * pow(color_linear, vec3(0.41666)) - 0.055;
+    vec3 result = mix(under, over, selector);
+    return vec4(result, linear.a);
+}
+void main() {
+  frag = linear_to_srgb(texture(present_texture, uv));
+}
\ No newline at end of file
diff --git a/third_party/rust/wgpu-hal/src/gles/shaders/srgb_present.vert b/third_party/rust/wgpu-hal/src/gles/shaders/srgb_present.vert
new file mode 100644
index 0000000000..922f2a1848
--- /dev/null
+++ b/third_party/rust/wgpu-hal/src/gles/shaders/srgb_present.vert
@@ -0,0 +1,18 @@
+#version 300 es
+precision mediump float;
+// A triangle that fills the whole screen
+const vec2[3] TRIANGLE_POS = vec2[](
+  vec2( 0.0, -3.0),
+  vec2(-3.0,  1.0),
+  vec2( 3.0,  1.0)
+);
+const vec2[3] TRIANGLE_UV = vec2[](
+  vec2( 0.5,  1.),
+  vec2( -1.0,  -1.0),
+  vec2( 2.0,  -1.0)
+);
+out vec2 uv;
+void main() {
+  uv = TRIANGLE_UV[gl_VertexID];
+  gl_Position = vec4(TRIANGLE_POS[gl_VertexID], 0.0, 1.0);
+}
\ No newline at end of file