graphics/shader-shark: shaders/default.frag@3aae6275b683 (annotated)

0 bb715a82a8f1 project skeleton František Kučera <franta-hg@frantovo.cz> parents: diff changeset	1	#version 330 core
bb715a82a8f1 project skeleton František Kučera <franta-hg@frantovo.cz> parents: diff changeset	2
2 3faef2f5128e better GLSL variable names František Kučera <franta-hg@frantovo.cz> parents: 0 diff changeset	3	uniform sampler2D uTexture;
28 4cbd9c0beb4c pass texture xattr 'shader-shark.texture.scale' to the shaders as 'uTextureScale' + update variable locations on each shader reload František Kučera <franta-hg@frantovo.cz> parents: 20 diff changeset	4	uniform float uTextureScale;
2 3faef2f5128e better GLSL variable names František Kučera <franta-hg@frantovo.cz> parents: 0 diff changeset	5	in vec2 vTextureXY;
14 ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	6	out vec4 fColor;
0 bb715a82a8f1 project skeleton František Kučera <franta-hg@frantovo.cz> parents: diff changeset	7
14 ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	8	vec4 grayscale(vec4 original) {
4 9aba96f0b001 fragment shader: add grayscale() function František Kučera <franta-hg@frantovo.cz> parents: 2 diff changeset	9	const vec3 luminanceWeighting = vec3(0.2125, 0.7154, 0.0721);
14 ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	10	float luminance = dot(original.rgb, luminanceWeighting);
ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	11	return vec4(vec3(luminance), original.a);
4 9aba96f0b001 fragment shader: add grayscale() function František Kučera <franta-hg@frantovo.cz> parents: 2 diff changeset	12	}
9aba96f0b001 fragment shader: add grayscale() function František Kučera <franta-hg@frantovo.cz> parents: 2 diff changeset	13
18 c4384f43c739 new shader: phosphor-basic.frag František Kučera <franta-hg@frantovo.cz> parents: 15 diff changeset	14	void main() {
14 ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	15	fColor = texture(uTexture, vTextureXY).rgba;
4 9aba96f0b001 fragment shader: add grayscale() function František Kučera <franta-hg@frantovo.cz> parents: 2 diff changeset	16	// fColor = grayscale(fColor);
14 ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	17	// fColor *= vec4(0.8, 1., 0.2, 1.);
ceeb36fad818 transparency/alpha: simple binary transparent/opaque, no blending, just discard some fragments František Kučera <franta-hg@frantovo.cz> parents: 11 diff changeset	18
15 1eb7cfefbeea transparency/alpha: blending František Kučera <franta-hg@frantovo.cz> parents: 14 diff changeset	19	// if (fColor.a < 0.1) discard;
20 0899e966993e process all X11 event waiting in the queue in the same cycle František Kučera <franta-hg@frantovo.cz> parents: 18 diff changeset	20	// Pretty, pretty, pretty, pretty, Peggy Sue
0 bb715a82a8f1 project skeleton František Kučera <franta-hg@frantovo.cz> parents: diff changeset	21	}

author	František Kučera <franta-hg@frantovo.cz>
	Sat, 06 Jan 2024 01:04:15 +0100
branch	v_0
changeset 33	3aae6275b683
parent 28	4cbd9c0beb4c
permissions	-rw-r--r--