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graphcis: Move IndicesNum from opengl to graphics

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This commit is contained in:
Hajime Hoshi 2018-11-07 01:49:45 +09:00
parent 07ae1db0dd
commit 09c8516545
3 changed files with 12 additions and 10 deletions
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5
internal/graphics/vertices.go
View File

@ -23,7 +23,10 @@ type verticesBackend struct {
head int
}
const VertexFloatNum = 10
const (
IndicesNum = (1 << 16) / 3 * 3 // Adjust num for triangles.
VertexFloatNum = 10
)
func (v *verticesBackend) slice(n int) []float32 {
const num = 1024

10
internal/graphicscommand/command.go
View File

@ -89,7 +89,7 @@ func (q *commandQueue) appendIndices(indices []uint16, offset uint16) {
}
func (q *commandQueue) doEnqueueDrawImageCommand(dst, src *Image, nvertices, nindices int, color *affine.ColorM, mode graphics.CompositeMode, filter graphics.Filter, forceNewCommand bool) {
if nindices > opengl.IndicesNum {
if nindices > graphics.IndicesNum {
panic("not implemented for too many indices")
}
if !forceNewCommand && 0 < len(q.commands) {
@ -113,12 +113,12 @@ func (q *commandQueue) doEnqueueDrawImageCommand(dst, src *Image, nvertices, nin
// EnqueueDrawImageCommand enqueues a drawing-image command.
func (q *commandQueue) EnqueueDrawImageCommand(dst, src *Image, vertices []float32, indices []uint16, color *affine.ColorM, mode graphics.CompositeMode, filter graphics.Filter) {
if len(indices) > opengl.IndicesNum {
if len(indices) > graphics.IndicesNum {
panic("not reached")
}
split := false
if q.tmpNumIndices+len(indices) > opengl.IndicesNum {
if q.tmpNumIndices+len(indices) > graphics.IndicesNum {
q.tmpNumIndices = 0
q.nextIndex = 0
split = true
@ -155,10 +155,10 @@ func (q *commandQueue) Flush() {
ne := 0
nc := 0
for _, c := range q.commands {
if c.NumIndices() > opengl.IndicesNum {
if c.NumIndices() > graphics.IndicesNum {
panic("not reached")
}
if ne+c.NumIndices() > opengl.IndicesNum {
if ne+c.NumIndices() > graphics.IndicesNum {
break
}
nv += c.NumVertices()

7
internal/opengl/program.go
View File

@ -54,7 +54,7 @@ func (a *arrayBufferLayout) totalBytes() int {
// newArrayBuffer creates OpenGL's buffer object for the array buffer.
func (a *arrayBufferLayout) newArrayBuffer() buffer {
return theContext.newArrayBuffer(a.totalBytes() * IndicesNum)
return theContext.newArrayBuffer(a.totalBytes() * graphics.IndicesNum)
}
// enable binds the array buffer the given program to use the array buffer.
@ -144,8 +144,7 @@ var (
)
const (
IndicesNum = (1 << 16) / 3 * 3 // Adjust num for triangles.
maxTriangles = IndicesNum / 3
maxTriangles = graphics.IndicesNum / 3
maxQuads = maxTriangles / 2
)
@ -239,7 +238,7 @@ func (s *openGLState) reset() error {
// Note that the indices passed to NewElementArrayBuffer is not under GC management
// in opengl package due to unsafe-way.
// See NewElementArrayBuffer in context_mobile.go.
s.elementArrayBuffer = theContext.newElementArrayBuffer(IndicesNum * 2)
s.elementArrayBuffer = theContext.newElementArrayBuffer(graphics.IndicesNum * 2)
return nil
}