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Geometry shader support+omnidirectional depth map shader+improvements

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This commit is contained in:
bloeys
2024-04-15 05:09:07 +04:00
parent a5bea5a661
commit c4b1dd1b3d
9 changed files with 201 additions and 59 deletions
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46
shaders/shader_program.go
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@ -6,32 +6,48 @@ import (
)
type ShaderProgram struct {
ID uint32
VertShaderID uint32
FragShaderID uint32
Id uint32
VertShaderId uint32
FragShaderId uint32
GeomShaderId uint32
}
func (sp *ShaderProgram) AttachShader(shader Shader) {
gl.AttachShader(sp.ID, shader.ID)
switch shader.ShaderType {
case VertexShaderType:
sp.VertShaderID = shader.ID
case FragmentShaderType:
sp.FragShaderID = shader.ID
gl.AttachShader(sp.Id, shader.Id)
switch shader.Type {
case ShaderType_Vertex:
sp.VertShaderId = shader.Id
case ShaderType_Fragment:
sp.FragShaderId = shader.Id
case ShaderType_Geometry:
sp.GeomShaderId = shader.Id
default:
logging.ErrLog.Println("Unknown shader type ", shader.ShaderType, " for ID ", shader.ID)
logging.ErrLog.Fatalf("Unknown shader type '%d' for shader id '%d'\n", shader.Type, shader.Id)
}
}
func (sp *ShaderProgram) Link() {
gl.LinkProgram(sp.ID)
gl.LinkProgram(sp.Id)
if sp.VertShaderID != 0 {
gl.DeleteShader(sp.VertShaderID)
if sp.VertShaderId != 0 {
gl.DeleteShader(sp.VertShaderId)
}
if sp.FragShaderID != 0 {
gl.DeleteShader(sp.FragShaderID)
if sp.FragShaderId != 0 {
gl.DeleteShader(sp.FragShaderId)
}
if sp.GeomShaderId != 0 {
gl.DeleteShader(sp.GeomShaderId)
}
}
func (s *ShaderProgram) Bind() {
gl.UseProgram(s.Id)
}
func (s *ShaderProgram) UnBind() {
gl.UseProgram(0)
}