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Specify RGBA8 as internal opengl format

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bloeys
2022-02-23 07:35:49 +04:00
parent f16407629a
commit 15087ac542
1 changed files with 2 additions and 1 deletions
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3
assets/textures.go
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@ -48,6 +48,7 @@ func LoadPNGTexture(file string) (Texture, error) {
Pixels: make([]byte, img.Bounds().Dx()*img.Bounds().Dy()*4), Pixels: make([]byte, img.Bounds().Dx()*img.Bounds().Dy()*4),
} }
//NOTE: Load bottom left to top right because this is the texture coordinate system used by OpenGL
//NOTE: We only support 8-bit channels (32-bit colors) for now //NOTE: We only support 8-bit channels (32-bit colors) for now
i := 0 i := 0
for y := img.Bounds().Dy() - 1; y >= 0; y-- { for y := img.Bounds().Dy() - 1; y >= 0; y-- {
@ -75,7 +76,7 @@ func LoadPNGTexture(file string) (Texture, error) {
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
// load and generate the texture // load and generate the texture
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, tex.Width, tex.Height, 0, gl.RGBA, gl.UNSIGNED_BYTE, unsafe.Pointer(&tex.Pixels[0])) gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, tex.Width, tex.Height, 0, gl.RGBA, gl.UNSIGNED_BYTE, unsafe.Pointer(&tex.Pixels[0]))
gl.GenerateMipmap(gl.TEXTURE_2D) gl.GenerateMipmap(gl.TEXTURE_2D)
SetTexture(tex) SetTexture(tex)