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Textures + basic asset loading system+ uvs

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bloeys
2022-02-05 23:00:19 +04:00
parent 2bfba880a9
commit 56e10049e9
7 changed files with 213 additions and 35 deletions
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20
materials/material.go
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@ -11,14 +11,25 @@ import (
type Material struct {
Name string
ShaderProg shaders.ShaderProgram
TexIDs []uint32
}
func (m *Material) Bind() {
gl.UseProgram(m.ShaderProg.ID)
for i, v := range m.TexIDs {
gl.ActiveTexture(gl.TEXTURE0 + uint32(i))
gl.BindTexture(gl.TEXTURE_2D, v)
}
}
func (m *Material) UnBind() {
gl.UseProgram(0)
for i := range m.TexIDs {
gl.ActiveTexture(gl.TEXTURE0 + uint32(i))
gl.BindTexture(gl.TEXTURE_2D, 0)
}
}
func (m *Material) GetAttribLoc(attribName string) int32 {
@ -42,6 +53,10 @@ func (m *Material) SetAttribute(bufObj buffers.Buffer) {
gl.BindBuffer(gl.ARRAY_BUFFER, 0)
}
func (m *Material) AddTextureID(texID uint32) {
m.TexIDs = append(m.TexIDs, texID)
}
func (m *Material) EnableAttribute(attribName string) {
gl.EnableVertexAttribArray(uint32(m.GetAttribLoc(attribName)))
}
@ -50,6 +65,11 @@ func (m *Material) DisableAttribute(attribName string) {
gl.DisableVertexAttribArray(uint32(m.GetAttribLoc(attribName)))
}
func (m *Material) SetUnifInt32(uniformName string, val int32) {
loc := gl.GetUniformLocation(m.ShaderProg.ID, gl.Str(uniformName+"\x00"))
gl.ProgramUniform1i(m.ShaderProg.ID, loc, val)
}
func (m *Material) SetUnifFloat32(uniformName string, val float32) {
loc := gl.GetUniformLocation(m.ShaderProg.ID, gl.Str(uniformName+"\x00"))
gl.ProgramUniform1f(m.ShaderProg.ID, loc, val)