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internal/graphicscommand: merge adjacent commands if the same shader and uniform variables are used

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Closes #1846
This commit is contained in:
Hajime Hoshi 2022-04-02 23:55:11 +09:00
parent 33078c764c
commit 425ce27976
2 changed files with 24 additions and 12 deletions
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29
internal/graphicscommand/command.go
View File

@ -117,7 +117,7 @@ func mustUseDifferentVertexBuffer(nextNumVertexFloats, nextNumIndices int) bool
}
// EnqueueDrawTrianglesCommand enqueues a drawing-image command.
func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.ShaderImageNum]*Image, offsets [graphics.ShaderImageNum - 1][2]float32, vertices []float32, indices []uint16, color affine.ColorM, mode graphicsdriver.CompositeMode, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, shader *Shader, uniforms map[string]interface{}, evenOdd bool) {
func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.ShaderImageNum]*Image, offsets [graphics.ShaderImageNum - 1][2]float32, vertices []float32, indices []uint16, color affine.ColorM, mode graphicsdriver.CompositeMode, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, shader *Shader, uniforms [][]float32, evenOdd bool) {
if len(indices) > graphics.IndicesNum {
panic(fmt.Sprintf("graphicscommand: len(indices) must be <= graphics.IndicesNum but not at EnqueueDrawTrianglesCommand: len(indices): %d, graphics.IndicesNum: %d", len(indices), graphics.IndicesNum))
}
@ -152,7 +152,7 @@ func (q *commandQueue) EnqueueDrawTrianglesCommand(dst *Image, srcs [graphics.Sh
if !split && 0 < len(q.commands) {
// TODO: Pass offsets and uniforms when merging considers the shader.
if last, ok := q.commands[len(q.commands)-1].(*drawTrianglesCommand); ok {
if last.CanMergeWithDrawTrianglesCommand(dst, srcs, vertices, color, mode, filter, address, dstRegion, srcRegion, shader, evenOdd) {
if last.CanMergeWithDrawTrianglesCommand(dst, srcs, vertices, color, mode, filter, address, dstRegion, srcRegion, shader, uniforms, evenOdd) {
last.setVertices(q.lastVertices(len(vertices) + last.numVertices()))
last.addNumIndices(len(indices))
return
@ -295,7 +295,7 @@ type drawTrianglesCommand struct {
dstRegion graphicsdriver.Region
srcRegion graphicsdriver.Region
shader *Shader
uniforms map[string]interface{}
uniforms [][]float32
evenOdd bool
}
@ -393,7 +393,6 @@ func (c *drawTrianglesCommand) Exec(graphicsDriver graphicsdriver.Graphics, inde
var shaderID graphicsdriver.ShaderID = graphicsdriver.InvalidShaderID
var imgs [graphics.ShaderImageNum]graphicsdriver.ImageID
var us [][]float32
if c.shader != nil {
shaderID = c.shader.shader.ID()
for i, src := range c.srcs {
@ -403,12 +402,11 @@ func (c *drawTrianglesCommand) Exec(graphicsDriver graphicsdriver.Graphics, inde
}
imgs[i] = src.image.ID()
}
us = c.shader.convertUniforms(c.uniforms)
} else {
imgs[0] = c.srcs[0].image.ID()
}
return graphicsDriver.DrawTriangles(c.dst.image.ID(), imgs, c.offsets, shaderID, c.nindices, indexOffset, c.mode, c.color, c.filter, c.address, c.dstRegion, c.srcRegion, us, c.evenOdd)
return graphicsDriver.DrawTriangles(c.dst.image.ID(), imgs, c.offsets, shaderID, c.nindices, indexOffset, c.mode, c.color, c.filter, c.address, c.dstRegion, c.srcRegion, c.uniforms, c.evenOdd)
}
func (c *drawTrianglesCommand) numVertices() int {
@ -429,13 +427,22 @@ func (c *drawTrianglesCommand) addNumIndices(n int) {
// CanMergeWithDrawTrianglesCommand returns a boolean value indicating whether the other drawTrianglesCommand can be merged
// with the drawTrianglesCommand c.
func (c *drawTrianglesCommand) CanMergeWithDrawTrianglesCommand(dst *Image, srcs [graphics.ShaderImageNum]*Image, vertices []float32, color affine.ColorM, mode graphicsdriver.CompositeMode, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, shader *Shader, evenOdd bool) bool {
// If a shader is used, commands are not merged.
//
// TODO: Merge shader commands considering uniform variables.
if c.shader != nil || shader != nil {
func (c *drawTrianglesCommand) CanMergeWithDrawTrianglesCommand(dst *Image, srcs [graphics.ShaderImageNum]*Image, vertices []float32, color affine.ColorM, mode graphicsdriver.CompositeMode, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, shader *Shader, uniforms [][]float32, evenOdd bool) bool {
if c.shader != shader {
return false
}
if c.shader != nil {
if len(c.uniforms) != len(uniforms) {
return false
}
for i, v0 := range c.uniforms {
for j, v1 := range v0 {
if v1 != uniforms[i][j] {
return false
}
}
}
}
if c.dst != dst {
return false
}

7
internal/graphicscommand/image.go
View File

@ -162,7 +162,12 @@ func (i *Image) DrawTriangles(srcs [graphics.ShaderImageNum]*Image, offsets [gra
}
i.resolveBufferedReplacePixels()
theCommandQueue.EnqueueDrawTrianglesCommand(i, srcs, offsets, vertices, indices, clr, mode, filter, address, dstRegion, srcRegion, shader, uniforms, evenOdd)
var us [][]float32
if shader != nil {
us = shader.convertUniforms(uniforms)
}
theCommandQueue.EnqueueDrawTrianglesCommand(i, srcs, offsets, vertices, indices, clr, mode, filter, address, dstRegion, srcRegion, shader, us, evenOdd)
}
// ReadPixels reads the image's pixels.