eaglercraft-1.8/sources/resources/assets/eagler/glsl/accel_font.vsh

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#line 2
/*
* Copyright (c) 2022-2023 lax1dude. All Rights Reserved.
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
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*
*/
precision lowp int;
precision highp float;
precision mediump sampler2D;
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layout(location = 0) in vec3 a_position3f;
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layout(location = 1) in vec2 c_position2i;
layout(location = 2) in vec2 c_coords2i;
layout(location = 3) in vec4 c_color4f;
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out vec2 v_texCoord2f;
out vec4 v_color4f;
uniform mat4 u_matrixTransform;
uniform vec2 u_charSize2f;
uniform vec2 u_charCoordSize2f;
uniform vec4 u_color4f;
void main() {
v_color4f = c_color4f.bgra;
float shadowBit = a_position3f.z;
float boldBit = shadowBit >= 0.5 ? 1.0 : 0.0;
shadowBit -= boldBit * 0.5;
v_color4f.rgb *= (1.0 - shadowBit * 3.0);
v_texCoord2f = (c_coords2i + a_position3f.xy) * u_charCoordSize2f;
vec2 pos2d = c_position2i + vec2(shadowBit * 4.0);
pos2d += a_position3f.xy * u_charSize2f;
pos2d.x += boldBit;
float italicBit = v_color4f.a >= 0.5 ? 2.0 : 0.0;
v_color4f.a -= italicBit * 0.25;
pos2d.x -= (a_position3f.y - 0.5) * italicBit;
v_color4f.a *= 2.0;
v_color4f *= u_color4f;
gl_Position = u_matrixTransform * vec4(pos2d, 0.0, 1.0);
}