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lightpreview: wip fixing skybox rendering

This commit is contained in:
Eric Wasylishen 2023-06-08 20:22:29 -06:00
parent 89e714a077
commit b626d9447f
1 changed files with 11 additions and 5 deletions
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16
lightpreview/glview.cpp
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@ -176,7 +176,7 @@ void main() {
static const char *s_skyboxFragShader = R"(
#version 330 core
in vec3 uv;
in vec3 fragment_world_pos;
in vec2 lightmap_uv;
in vec3 normal;
flat in vec3 flat_color;
@ -192,6 +192,8 @@ uniform bool drawnormals;
uniform bool drawflat;
uniform float style_scalars[256];
uniform vec3 eye_origin;
void main() {
if (drawnormals) {
// remap -1..+1 to 0..1
@ -217,7 +219,11 @@ void main() {
color = vec4(lmcolor * 2.0, 1.0);
}
else
color = vec4(texture(texture_sampler, uv).rgb, 1.0);
{
// cubemap case
vec3 dir = normalize(fragment_world_pos - eye_origin);
color = vec4(texture(texture_sampler, dir).rgb, 1.0);
}
}
}
)";
@ -232,7 +238,7 @@ layout (location = 3) in vec3 vertex_normal;
layout (location = 4) in vec3 vertex_flat_color;
layout (location = 5) in uint vertex_styles;
smooth out vec3 uv;
out vec3 fragment_world_pos;
out vec2 lightmap_uv;
out vec3 normal;
flat out vec3 flat_color;
@ -242,9 +248,9 @@ uniform mat4 MVP;
uniform vec3 eye_origin;
void main() {
gl_Position = MVP * vec4(position.x, position.y, position.z, 1.0);
gl_Position = MVP * vec4(position, 1.0);
fragment_world_pos = position;
uv = normalize(position - eye_origin);
lightmap_uv = vertex_lightmap_uv;
normal = vertex_normal;
flat_color = vertex_flat_color;