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Code Issues 156 Wiki Activity

Shade the sky and the sun by the scenery around the camera instead of the track environment flags

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Hirek
2026-10-27 17:11:06 +01:00
parent 2961ce1445
commit c44b243698
9 changed files with 209 additions and 142 deletions
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12
rendering/opengl46/opengl46skyocclusion.cpp
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@@ -42,11 +42,11 @@ opengl46_sky_occlusion::~opengl46_sky_occlusion()
void opengl46_sky_occlusion::init()
{
// a sampler with no texture to read from is undefined, also where the shading doesn't read it
m_emptyheights = make_map(GL_R32F, 1);
float const none{-1.0e4f};
glClearTexImage(m_emptyheights, 0, GL_RED, GL_FLOAT, &none);
m_emptyheights = make_map(GL_RGBA32F, 1);
float const none[4]{-1.0e4f, 1.0e4f, 1.0e4f, -1.0e4f};
glClearTexImage(m_emptyheights, 0, GL_RGBA, GL_FLOAT, none);
m_emptyocclusion = make_map(GL_RGBA16F, 1);
float const open[4]{1.f, 1.f, -1000.f, 1000.f};
float const open[4]{1.f, 1.f, 1.f, -1000.f};
glClearTexImage(m_emptyocclusion, 0, GL_RGBA, GL_FLOAT, open);
bind();
}
@@ -60,7 +60,7 @@ void opengl46_sky_occlusion::bind() const
bool opengl46_sky_occlusion::gpu_allocate(int const Side)
{
gpu_release();
m_heights = make_map(GL_R32F, Side);
m_heights = make_map(GL_RGBA32F, Side);
m_occlusion = make_map(GL_RGBA16F, Side);
if ((m_heights == 0) || (m_occlusion == 0))
return false;
@@ -90,7 +90,7 @@ void opengl46_sky_occlusion::gpu_upload(int const X, int const Y, int const Size
glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glTextureSubImage2D(m_heights, 0, X, Y, Size, Size, GL_RED, GL_FLOAT, Heights);
glTextureSubImage2D(m_heights, 0, X, Y, Size, Size, GL_RGBA, GL_FLOAT, Heights);
glTextureSubImage2D(m_occlusion, 0, X, Y, Size, Size, GL_RGBA, GL_HALF_FLOAT, Occlusion);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, static_cast<GLuint>(unpack));
glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);