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REVIEWED: shaders_multi_sample2d

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This commit is contained in:
Ray 2021-03-17 19:03:51 +01:00
parent aba69146f2
commit ff6d5c8ddb
3 changed files with 22 additions and 6 deletions
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8
examples/shaders/resources/shaders/glsl100/color_mix.fs
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@ -11,6 +11,8 @@ uniform sampler2D texture0;
uniform sampler2D texture1;
uniform vec4 colDiffuse;
uniform float divider;
void main()
{
// Texel color fetching from texture sampler
@ -18,7 +20,7 @@ void main()
vec4 texelColor1 = texture2D(texture1, fragTexCoord);
float x = fract(fragTexCoord.s);
float out = smoothstep(0.4, 0.6, x);
float final = smoothstep(divider - 0.1, divider + 0.1, x);
gl_FragColor = mix(texelColor0, texelColor1, out);
}
gl_FragColor = mix(texelColor0, texelColor1, final);
}

6
examples/shaders/resources/shaders/glsl330/color_mix.fs
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@ -10,6 +10,8 @@ uniform sampler2D texture0;
uniform sampler2D texture1;
uniform vec4 colDiffuse;
uniform float divider = 0.5;
out vec4 finalColor;
void main()
@ -19,7 +21,7 @@ void main()
vec4 texelColor1 = texture(texture1, fragTexCoord);
float x = fract(fragTexCoord.s);
float outVal = smoothstep(0.4, 0.6, x);
float final = smoothstep(divider - 0.1, divider + 0.1, x);
finalColor = mix(texelColor0, texelColor1, outVal);
finalColor = mix(texelColor0, texelColor1, final);
}

14
examples/shaders/shaders_multi_sample2d.c
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@ -45,6 +45,10 @@ int main(void)
// Get an additional sampler2D location to be enabled on drawing
int texBlueLoc = GetShaderLocation(shader, "texture1");
// Get shader uniform for divider
int dividerLoc = GetShaderLocation(shader, "divider");
float dividerValue = 0.5f;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
@ -54,7 +58,13 @@ int main(void)
{
// Update
//----------------------------------------------------------------------------------
// ...
if (IsKeyDown(KEY_RIGHT)) dividerValue += 0.01f;
else if (IsKeyDown(KEY_LEFT)) dividerValue -= 0.01f;
if (dividerValue < 0.0f) dividerValue = 0.0f;
else if (dividerValue > 1.0f) dividerValue = 1.0f;
SetShaderValue(shader, dividerLoc, &dividerValue, SHADER_UNIFORM_FLOAT);
//----------------------------------------------------------------------------------
// Draw
@ -75,6 +85,8 @@ int main(void)
DrawTexture(texRed, 0, 0, WHITE);
EndShaderMode();
DrawText("Use KEY_LEFT/KEY_RIGHT to move texture mixing in shader!", 80, GetScreenHeight() - 40, 20, RAYWHITE);
EndDrawing();
//----------------------------------------------------------------------------------