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internal/graphicscommand: refactoring: remove unnecessary restrictions for indices

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Updates #2460
This commit is contained in:
Hajime Hoshi 2023-03-23 13:28:00 +09:00
parent 90723025cc
commit 3f2ac129d2
1 changed files with 4 additions and 15 deletions
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19
internal/graphicscommand/command.go
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@ -67,7 +67,6 @@ type commandQueue struct {
indices []uint16
tmpNumVertexFloats int
tmpNumIndices int
drawTrianglesCommandPool drawTrianglesCommandPool
@ -86,20 +85,15 @@ func (q *commandQueue) appendIndices(indices []uint16, offset uint16) {
}
// mustUseDifferentVertexBuffer reports whether a different vertex buffer must be used.
func mustUseDifferentVertexBuffer(nextNumVertexFloats, nextNumIndices int) bool {
return nextNumVertexFloats > graphics.IndicesCount*graphics.VertexFloatCount || nextNumIndices > graphics.IndicesCount
func mustUseDifferentVertexBuffer(nextNumVertexFloats int) bool {
return nextNumVertexFloats > graphics.IndicesCount*graphics.VertexFloatCount
}
// EnqueueDrawTrianglesCommand enqueues a drawing-image command.
func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.ShaderImageCount]*Image, offsets [graphics.ShaderImageCount - 1][2]float32, vertices []float32, indices []uint16, blend graphicsdriver.Blend, dstRegion, srcRegion graphicsdriver.Region, shader *Shader, uniforms []uint32, evenOdd bool) {
if len(indices) > graphics.IndicesCount {
panic(fmt.Sprintf("graphicscommand: len(indices) must be <= graphics.IndicesCount but not at EnqueueDrawTrianglesCommand: len(indices): %d, graphics.IndicesCount: %d", len(indices), graphics.IndicesCount))
}
split := false
if mustUseDifferentVertexBuffer(q.tmpNumVertexFloats+len(vertices), q.tmpNumIndices+len(indices)) {
if mustUseDifferentVertexBuffer(q.tmpNumVertexFloats + len(vertices)) {
q.tmpNumVertexFloats = 0
q.tmpNumIndices = 0
split = true
}
@ -108,7 +102,6 @@ func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.Sh
q.vertices = append(q.vertices, vertices...)
q.appendIndices(indices, uint16(q.tmpNumVertexFloats/graphics.VertexFloatCount))
q.tmpNumVertexFloats += len(vertices)
q.tmpNumIndices += len(indices)
// prependPreservedUniforms not only prepends values to the given slice but also creates a new slice.
// Allocating a new slice is necessary to make EnqueueDrawTrianglesCommand safe so far.
@ -210,7 +203,6 @@ func (q *commandQueue) flush(graphicsDriver graphicsdriver.Graphics, endFrame bo
q.vertices = q.vertices[:0]
q.indices = q.indices[:0]
q.tmpNumVertexFloats = 0
q.tmpNumIndices = 0
}()
cs := q.commands
@ -220,10 +212,7 @@ func (q *commandQueue) flush(graphicsDriver graphicsdriver.Graphics, endFrame bo
nc := 0
for _, c := range cs {
if dtc, ok := c.(*drawTrianglesCommand); ok {
if dtc.numIndices() > graphics.IndicesCount {
panic(fmt.Sprintf("graphicscommand: dtc.NumIndices() must be <= graphics.IndicesCount but not at Flush: dtc.NumIndices(): %d, graphics.IndicesCount: %d", dtc.numIndices(), graphics.IndicesCount))
}
if nc > 0 && mustUseDifferentVertexBuffer(nv+dtc.numVertices(), ne+dtc.numIndices()) {
if nc > 0 && mustUseDifferentVertexBuffer(nv+dtc.numVertices()) {
break
}
nv += dtc.numVertices()