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Uniforms and better logging

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This commit is contained in:
bloeys
2021-10-09 09:35:08 +04:00
parent 9f4c34bcbb
commit 4ce5e569fc
7 changed files with 113 additions and 15 deletions
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20
main.go
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@ -4,6 +4,7 @@ import (
"fmt"
"github.com/bloeys/go-sdl-engine/input"
"github.com/bloeys/go-sdl-engine/logging"
"github.com/bloeys/go-sdl-engine/shaders"
"github.com/bloeys/go-sdl-engine/timing"
"github.com/go-gl/gl/v4.6-core/gl"
@ -25,7 +26,7 @@ func main() {
err := sdl.Init(sdl.INIT_EVERYTHING)
if err != nil {
panic("Failed to init SDL. Err: " + err.Error())
logging.ErrLog.Panicln("Failed to init SDL. Err:", err.Error())
}
defer sdl.Quit()
@ -70,19 +71,19 @@ func main() {
winHeight,
sdl.WINDOW_OPENGL)
if err != nil {
panic("Failed to create window. Err: " + err.Error())
logging.ErrLog.Panicln("Failed to create window. Err: " + err.Error())
}
defer window.Destroy()
//Create GL context
glContext, err = window.GLCreateContext()
if err != nil {
panic("Creating OpenGL context failed. Err: " + err.Error())
logging.ErrLog.Panicln("Creating OpenGL context failed. Err: " + err.Error())
}
defer sdl.GLDeleteContext(glContext)
if err := gl.Init(); err != nil {
panic("Initing OpenGL Context failed. Err: " + err.Error())
logging.ErrLog.Panicln("Initing OpenGL Context failed. Err: " + err.Error())
}
initGL()
@ -100,16 +101,23 @@ func initGL() {
gl.Viewport(0, 0, winWidth, winHeight)
}
var simpleProg shaders.Program
func loadShaders() {
simpleProg := shaders.NewProgram("simple")
simpleVert, err := shaders.NewShaderFromFile("./res/shaders/simple.vert.glsl", shaders.Vertex)
panicIfErr(err, "Parsing vert shader failed")
simpleFrag, err := shaders.NewShaderFromFile("./res/shaders/simple.frag.glsl", shaders.Fragment)
panicIfErr(err, "Parsing frag shader failed")
simpleProg = shaders.NewProgram("simple")
simpleProg.AttachShader(simpleVert)
simpleProg.AttachShader(simpleFrag)
simpleProg.SetUniformF32("r", 255)
simpleProg.Link()
}
func gameLoop() {
@ -164,5 +172,5 @@ func panicIfErr(err error, msg string) {
return
}
panic(msg + "; Err: " + err.Error())
logging.ErrLog.Panicln(msg+". Err:", err.Error())
}