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graphics: Move context.resume() to internal/graphics

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This commit is contained in:
Hajime Hoshi 2016-07-03 21:42:01 +09:00
parent 146c1e5846
commit 6e76c3ed6b
2 changed files with 14 additions and 13 deletions
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5
graphicscontext.go
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@ -84,8 +84,6 @@ func (c *graphicsContext) needsRestoring(context *opengl.Context) (bool, error)
}
func (c *graphicsContext) initializeIfNeeded(context *opengl.Context) error {
// glViewport must be called at every frame on iOS
context.ResetViewportSize()
if !c.initialized {
if err := graphics.Initialize(context); err != nil {
return err
@ -136,6 +134,8 @@ func (c *graphicsContext) drawToDefaultRenderTarget(context *opengl.Context) err
}
func (c *graphicsContext) UpdateAndDraw(context *opengl.Context, updateCount int) error {
// glViewport must be called at every frame on iOS
context.ResetViewportSize()
if err := c.initializeIfNeeded(context); err != nil {
return err
}
@ -170,7 +170,6 @@ func (c *graphicsContext) UpdateAndDraw(context *opengl.Context, updateCount int
func (c *graphicsContext) restore(context *opengl.Context) error {
imageM.Lock()
defer imageM.Unlock()
context.Resume()
if err := graphics.Initialize(context); err != nil {
return err
}

22
internal/graphics/program.go
View File

@ -49,11 +49,13 @@ const (
float32Size = 4
)
func Initialize(c *opengl.Context) error {
return theOpenGLState.initialize(c)
func Initialize(context *opengl.Context) error {
return theOpenGLState.initialize(context)
}
func (s *openGLState) initialize(c *opengl.Context) error {
func (s *openGLState) initialize(context *opengl.Context) error {
// TODO: Rename
context.Resume()
s.lastProgram = zeroProgram
s.lastProjectionMatrix = nil
s.lastModelviewMatrix = nil
@ -61,19 +63,19 @@ func (s *openGLState) initialize(c *opengl.Context) error {
s.lastColorMatrixTranslation = nil
s.lastTexture = zeroTexture
shaderVertexModelviewNative, err := c.NewShader(opengl.VertexShader, shader(c, shaderVertexModelview))
shaderVertexModelviewNative, err := context.NewShader(opengl.VertexShader, shader(context, shaderVertexModelview))
if err != nil {
panic(fmt.Sprintf("graphics: shader compiling error:\n%s", err))
}
defer c.DeleteShader(shaderVertexModelviewNative)
defer context.DeleteShader(shaderVertexModelviewNative)
shaderFragmentTextureNative, err := c.NewShader(opengl.FragmentShader, shader(c, shaderFragmentTexture))
shaderFragmentTextureNative, err := context.NewShader(opengl.FragmentShader, shader(context, shaderFragmentTexture))
if err != nil {
panic(fmt.Sprintf("graphics: shader compiling error:\n%s", err))
}
defer c.DeleteShader(shaderFragmentTextureNative)
defer context.DeleteShader(shaderFragmentTextureNative)
s.programTexture, err = c.NewProgram([]opengl.Shader{
s.programTexture, err = context.NewProgram([]opengl.Shader{
shaderVertexModelviewNative,
shaderFragmentTextureNative,
})
@ -82,7 +84,7 @@ func (s *openGLState) initialize(c *opengl.Context) error {
}
const stride = 8 // (2 [vertices] + 2 [texels]) * 2 [sizeof(int16)/bytes]
c.NewBuffer(opengl.ArrayBuffer, 4*stride*MaxQuads, opengl.DynamicDraw)
context.NewBuffer(opengl.ArrayBuffer, 4*stride*MaxQuads, opengl.DynamicDraw)
indices := make([]uint16, 6*MaxQuads)
for i := uint16(0); i < MaxQuads; i++ {
@ -93,7 +95,7 @@ func (s *openGLState) initialize(c *opengl.Context) error {
indices[6*i+4] = 4*i + 2
indices[6*i+5] = 4*i + 3
}
s.indexBufferQuads = c.NewBuffer(opengl.ElementArrayBuffer, indices, opengl.StaticDraw)
s.indexBufferQuads = context.NewBuffer(opengl.ElementArrayBuffer, indices, opengl.StaticDraw)
return nil
}