fix vec4 -> float4 for slang shader code snippet

JustinBraben · JustinBraben · commit 3fc2bdca362e · 2025-10-02T15:23:50.000-06:00
diff --git a/en/06_Texture_mapping/02_Combined_image_sampler.adoc b/en/06_Texture_mapping/02_Combined_image_sampler.adoc
@@ -223,7 +223,7 @@ You can also manipulate the texture colors using the vertex colors:
 ----
 [shader("fragment")]
 float4 fragMain(VSOutput vertIn) : SV_TARGET {
-   return vec4(vertIn.fragColor * texture.Sample(vertIn.fragTexCoord).rgb, 1.0);
+   return float4(vertIn.fragColor * texture.Sample(vertIn.fragTexCoord).rgb, 1.0);
 }
 ----
 

Original file line number	Diff line number	Diff line change
`@@ -223,7 +223,7 @@ You can also manipulate the texture colors using the vertex colors:`
`223`	`223`	`----`
`224`	`224`	`[shader("fragment")]`
`225`	`225`	`float4 fragMain(VSOutput vertIn) : SV_TARGET {`
`226`		`- return vec4(vertIn.fragColor * texture.Sample(vertIn.fragTexCoord).rgb, 1.0);`
	`226`	`+ return float4(vertIn.fragColor * texture.Sample(vertIn.fragTexCoord).rgb, 1.0);`
`227`	`227`	`}`
`228`	`228`	`----`
`229`	`229`