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Draw sky as a fullscreen triangle

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This commit is contained in:
Matias N. Goldberg 2023-08-05 17:55:43 -03:00
parent 6e7d87fb25
commit 79c9edab3b
3 changed files with 2 additions and 26 deletions
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23
servers/rendering/renderer_rd/environment/sky.cpp
View File

@ -249,11 +249,9 @@ void SkyRD::_render_sky(RD::DrawListID p_list, float p_time, RID p_fb, PipelineC
}
}
RD::get_singleton()->draw_list_bind_index_array(draw_list, index_array);
RD::get_singleton()->draw_list_set_push_constant(draw_list, &sky_push_constant, sizeof(SkyPushConstant));
RD::get_singleton()->draw_list_draw(draw_list, true);
RD::get_singleton()->draw_list_draw(draw_list, false, 1u, 3u);
}
////////////////////////////////////////////////////////////////////////////////
@ -941,23 +939,6 @@ void sky() {
sky_scene_state.fog_only_texture_uniform_set = RD::get_singleton()->uniform_set_create(uniforms, sky_shader.default_shader_rd, SKY_SET_TEXTURES);
}
{ //create index array for copy shaders
Vector<uint8_t> pv;
pv.resize(6 * 4);
{
uint8_t *w = pv.ptrw();
int *p32 = (int *)w;
p32[0] = 0;
p32[1] = 1;
p32[2] = 2;
p32[3] = 0;
p32[4] = 2;
p32[5] = 3;
}
index_buffer = RD::get_singleton()->index_buffer_create(6, RenderingDevice::INDEX_BUFFER_FORMAT_UINT32, pv);
index_array = RD::get_singleton()->index_array_create(index_buffer, 0, 6);
}
}
void SkyRD::set_texture_format(RD::DataFormat p_texture_format) {
@ -990,8 +971,6 @@ SkyRD::~SkyRD() {
if (RD::get_singleton()->uniform_set_is_valid(sky_scene_state.fog_only_texture_uniform_set)) {
RD::get_singleton()->free(sky_scene_state.fog_only_texture_uniform_set);
}
RD::get_singleton()->free(index_buffer); //array gets freed as dependency
}
void SkyRD::setup_sky(RID p_env, Ref<RenderSceneBuffersRD> p_render_buffers, const PagedArray<RID> &p_lights, RID p_camera_attributes, uint32_t p_view_count, const Projection *p_view_projections, const Vector3 *p_view_eye_offsets, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const Size2i p_screen_size, RendererSceneRenderRD *p_scene_render) {

3
servers/rendering/renderer_rd/environment/sky.h
View File

@ -70,9 +70,6 @@ public:
private:
RD::DataFormat texture_format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
RID index_buffer;
RID index_array;
enum SkyTextureSetVersion {
SKY_TEXTURE_SET_BACKGROUND,
SKY_TEXTURE_SET_HALF_RES,

2
servers/rendering/renderer_rd/shaders/environment/sky.glsl
View File

@ -23,7 +23,7 @@ layout(push_constant, std430) uniform Params {
params;
void main() {
vec2 base_arr[4] = vec2[](vec2(-1.0, -1.0), vec2(-1.0, 1.0), vec2(1.0, 1.0), vec2(1.0, -1.0));
vec2 base_arr[3] = vec2[](vec2(-1.0, -3.0), vec2(-1.0, 1.0), vec2(3.0, 1.0));
uv_interp = base_arr[gl_VertexIndex];
gl_Position = vec4(uv_interp, 1.0, 1.0);
}