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graphicscommand: Refactoring

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This commit is contained in:
Hajime Hoshi 2019-11-14 00:08:44 +09:00
parent 3aef0e3405
commit c2eae69b47
1 changed files with 26 additions and 33 deletions
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59
internal/graphicscommand/command.go
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@ -52,7 +52,7 @@ type command interface {
NumIndices() int
AddNumVertices(n int)
AddNumIndices(n int)
CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool
CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool
}
type size struct {
@ -120,30 +120,6 @@ func (q *commandQueue) appendIndices(indices []uint16, offset uint16) {
q.nindices += len(indices)
}
func (q *commandQueue) doEnqueueDrawTrianglesCommand(dst, src *Image, nvertices, nindices int, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address, forceNewCommand bool) {
if nindices > graphics.IndicesNum {
panic(fmt.Sprintf("graphicscommand: nindices must be <= graphics.IndicesNum but not at doEnqueueDrawTrianglesCommand: nindices: %d, graphics.IndicesNum: %d", nindices, graphics.IndicesNum))
}
if !forceNewCommand && 0 < len(q.commands) {
if last := q.commands[len(q.commands)-1]; last.CanMerge(dst, src, color, mode, filter, address) {
last.AddNumVertices(nvertices)
last.AddNumIndices(nindices)
return
}
}
c := &drawTrianglesCommand{
dst: dst,
src: src,
nvertices: nvertices,
nindices: nindices,
color: color,
mode: mode,
filter: filter,
address: address,
}
q.commands = append(q.commands, c)
}
// EnqueueDrawTrianglesCommand enqueues a drawing-image command.
func (q *commandQueue) EnqueueDrawTrianglesCommand(dst, src *Image, vertices []float32, indices []uint16, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) {
if len(indices) > graphics.IndicesNum {
@ -165,7 +141,24 @@ func (q *commandQueue) EnqueueDrawTrianglesCommand(dst, src *Image, vertices []f
q.tmpNumIndices += len(indices)
// TODO: If dst is the screen, reorder the command to be the last.
q.doEnqueueDrawTrianglesCommand(dst, src, len(vertices), len(indices), color, mode, filter, address, split)
if !split && 0 < len(q.commands) {
if last := q.commands[len(q.commands)-1]; last.CanMergeWithDrawTrianglesCommand(dst, src, color, mode, filter, address) {
last.AddNumVertices(len(vertices))
last.AddNumIndices(len(indices))
return
}
}
c := &drawTrianglesCommand{
dst: dst,
src: src,
nvertices: len(vertices),
nindices: len(indices),
color: color,
mode: mode,
filter: filter,
address: address,
}
q.commands = append(q.commands, c)
}
// Enqueue enqueues a drawing command other than a draw-triangles command.
@ -415,9 +408,9 @@ func (c *drawTrianglesCommand) AddNumIndices(n int) {
c.nindices += n
}
// CanMerge returns a boolean value indicating whether the other drawTrianglesCommand can be merged
// CanMergeWithDrawTrianglesCommand returns a boolean value indicating whether the other drawTrianglesCommand can be merged
// with the drawTrianglesCommand c.
func (c *drawTrianglesCommand) CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
func (c *drawTrianglesCommand) CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
if c.dst != dst {
return false
}
@ -473,7 +466,7 @@ func (c *replacePixelsCommand) AddNumVertices(n int) {
func (c *replacePixelsCommand) AddNumIndices(n int) {
}
func (c *replacePixelsCommand) CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
func (c *replacePixelsCommand) CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
return false
}
@ -510,7 +503,7 @@ func (c *pixelsCommand) AddNumVertices(n int) {
func (c *pixelsCommand) AddNumIndices(n int) {
}
func (c *pixelsCommand) CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
func (c *pixelsCommand) CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
return false
}
@ -543,7 +536,7 @@ func (c *disposeCommand) AddNumVertices(n int) {
func (c *disposeCommand) AddNumIndices(n int) {
}
func (c *disposeCommand) CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
func (c *disposeCommand) CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
return false
}
@ -582,7 +575,7 @@ func (c *newImageCommand) AddNumVertices(n int) {
func (c *newImageCommand) AddNumIndices(n int) {
}
func (c *newImageCommand) CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
func (c *newImageCommand) CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
return false
}
@ -618,7 +611,7 @@ func (c *newScreenFramebufferImageCommand) AddNumVertices(n int) {
func (c *newScreenFramebufferImageCommand) AddNumIndices(n int) {
}
func (c *newScreenFramebufferImageCommand) CanMerge(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
func (c *newScreenFramebufferImageCommand) CanMergeWithDrawTrianglesCommand(dst, src *Image, color *affine.ColorM, mode driver.CompositeMode, filter driver.Filter, address driver.Address) bool {
return false
}