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ui/app/internal/gl: avoid allocations when passing handles to C

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-06-02 22:51:33 +02:00
parent 659a85aae0
commit 86f6765e64
1 changed files with 20 additions and 25 deletions
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ui/app/internal/gl/functions.go
+20 -25
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@@ -190,15 +190,13 @@ func (f *Functions) CompileShader(s Shader) {
}
func (f *Functions) CreateBuffer() Buffer {
var handle C.GLuint
C.glGenBuffers(1, &handle)
return Buffer{uint(handle)}
C.glGenBuffers(1, &f.uints[0])
return Buffer{uint(f.uints[0])}
}
func (f *Functions) CreateFramebuffer() Framebuffer {
var handle C.GLuint
C.glGenFramebuffers(1, &handle)
return Framebuffer{uint(handle)}
C.glGenFramebuffers(1, &f.uints[0])
return Framebuffer{uint(f.uints[0])}
}
func (f *Functions) CreateProgram() Program {
@@ -206,15 +204,13 @@ func (f *Functions) CreateProgram() Program {
}
func (f *Functions) CreateQuery() Query {
var handle C.GLuint
C.gio_glGenQueries(1, &handle)
return Query{uint(handle)}
C.gio_glGenQueries(1, &f.uints[0])
return Query{uint(f.uints[0])}
}
func (f *Functions) CreateRenderbuffer() Renderbuffer {
var handle C.GLuint
C.glGenRenderbuffers(1, &handle)
return Renderbuffer{uint(handle)}
C.glGenRenderbuffers(1, &f.uints[0])
return Renderbuffer{uint(f.uints[0])}
}
func (f *Functions) CreateShader(ty Enum) Shader {
@@ -222,19 +218,18 @@ func (f *Functions) CreateShader(ty Enum) Shader {
}
func (f *Functions) CreateTexture() Texture {
var handle C.GLuint
C.glGenTextures(1, &handle)
return Texture{uint(handle)}
C.glGenTextures(1, &f.uints[0])
return Texture{uint(f.uints[0])}
}
func (f *Functions) DeleteBuffer(v Buffer) {
handle := C.GLuint(v.V)
C.glDeleteBuffers(1, &handle)
f.uints[0] = C.GLuint(v.V)
C.glDeleteBuffers(1, &f.uints[0])
}
func (f *Functions) DeleteFramebuffer(v Framebuffer) {
handle := C.GLuint(v.V)
C.glDeleteFramebuffers(1, &handle)
f.uints[0] = C.GLuint(v.V)
C.glDeleteFramebuffers(1, &f.uints[0])
}
func (f *Functions) DeleteProgram(p Program) {
@@ -242,13 +237,13 @@ func (f *Functions) DeleteProgram(p Program) {
}
func (f *Functions) DeleteQuery(query Query) {
handle := C.GLuint(query.V)
C.gio_glDeleteQueries(1, &handle)
f.uints[0] = C.GLuint(query.V)
C.gio_glDeleteQueries(1, &f.uints[0])
}
func (f *Functions) DeleteRenderbuffer(v Renderbuffer) {
handle := C.GLuint(v.V)
C.glDeleteRenderbuffers(1, &handle)
f.uints[0] = C.GLuint(v.V)
C.glDeleteRenderbuffers(1, &f.uints[0])
}
func (f *Functions) DeleteShader(s Shader) {
@@ -256,8 +251,8 @@ func (f *Functions) DeleteShader(s Shader) {
}
func (f *Functions) DeleteTexture(v Texture) {
handle := C.GLuint(v.V)
C.glDeleteTextures(1, &handle)
f.uints[0] = C.GLuint(v.V)
C.glDeleteTextures(1, &f.uints[0])
}
func (f *Functions) DepthFunc(v Enum) {