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internal/driver: Refactoring: Merge two Draw* functions

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This commit is contained in:
Hajime Hoshi 2021-07-01 15:41:25 +09:00
parent b9d52c0267
commit e9b6237f61
4 changed files with 27 additions and 15 deletions
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9
internal/driver/graphics.go
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@ -51,18 +51,13 @@ type Graphics interface {
NewShader(program *shaderir.Program) (Shader, error)
// Draw draws an image onto another image.
//
// TODO: Merge this into DrawShader.
Draw(dst, src ImageID, indexLen int, indexOffset int, mode CompositeMode, colorM *affine.ColorM, filter Filter, address Address, dstRegion, srcRegion Region) error
// DrawShader draws the shader.
// DrawTriangles draws an image onto another image with the given parameters.
//
// uniforms represents a colletion of uniform variables. The values must be one of these types:
//
// * float32
// * []float32
DrawShader(dst ImageID, srcs [graphics.ShaderImageNum]ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader ShaderID, indexLen int, indexOffset int, dstRegion, srcRegion Region, mode CompositeMode, uniforms []interface{}) error
DrawTriangles(dst ImageID, srcs [graphics.ShaderImageNum]ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader ShaderID, indexLen int, indexOffset int, mode CompositeMode, colorM *affine.ColorM, filter Filter, address Address, dstRegion, srcRegion Region, uniforms []interface{}) error
}
// GraphicsNotReady represents that the graphics driver is not ready for recovering from the context lost.

11
internal/graphicscommand/command.go
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@ -413,8 +413,10 @@ func (c *drawTrianglesCommand) Exec(indexOffset int) error {
return nil
}
var shaderID driver.ShaderID = driver.InvalidShaderID
var imgs [graphics.ShaderImageNum]driver.ImageID
if c.shader != nil {
var imgs [graphics.ShaderImageNum]driver.ImageID
shaderID = c.shader.shader.ID()
for i, src := range c.srcs {
if src == nil {
imgs[i] = driver.InvalidImageID
@ -422,10 +424,11 @@ func (c *drawTrianglesCommand) Exec(indexOffset int) error {
}
imgs[i] = src.image.ID()
}
return theGraphicsDriver.DrawShader(c.dst.image.ID(), imgs, c.offsets, c.shader.shader.ID(), c.nindices, indexOffset, c.dstRegion, c.srcRegion, c.mode, c.uniforms)
} else {
imgs[0] = c.srcs[0].image.ID()
}
return theGraphicsDriver.Draw(c.dst.image.ID(), c.srcs[0].image.ID(), c.nindices, indexOffset, c.mode, c.color, c.filter, c.address, c.dstRegion, c.srcRegion)
return theGraphicsDriver.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)
}
func (c *drawTrianglesCommand) NumVertices() int {

11
internal/graphicsdriver/metal/graphics.go
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@ -684,7 +684,14 @@ func (g *Graphics) draw(rps mtl.RenderPipelineState, dst *Image, dstRegion drive
return nil
}
func (g *Graphics) Draw(dstID, srcID driver.ImageID, indexLen int, indexOffset int, mode driver.CompositeMode, colorM *affine.ColorM, filter driver.Filter, address driver.Address, dstRegion, srcRegion driver.Region) error {
func (g *Graphics) DrawTriangles(dstID driver.ImageID, srcIDs [graphics.ShaderImageNum]driver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader driver.ShaderID, indexLen int, indexOffset int, mode driver.CompositeMode, colorM *affine.ColorM, filter driver.Filter, address driver.Address, dstRegion, srcRegion driver.Region, uniforms []interface{}) error {
if shader == driver.InvalidShaderID {
return g.drawTrianglesWithDefaultShader(dstID, srcIDs[0], indexLen, indexOffset, mode, colorM, filter, address, dstRegion, srcRegion)
}
return g.drawTrianglesWithShader(dstID, srcIDs, offsets, shader, indexLen, indexOffset, mode, dstRegion, srcRegion, uniforms)
}
func (g *Graphics) drawTrianglesWithDefaultShader(dstID, srcID driver.ImageID, indexLen int, indexOffset int, mode driver.CompositeMode, colorM *affine.ColorM, filter driver.Filter, address driver.Address, dstRegion, srcRegion driver.Region) error {
dst := g.images[dstID]
srcs := [graphics.ShaderImageNum]*Image{g.images[srcID]}
@ -930,7 +937,7 @@ func (i *Image) ReplacePixels(args []*driver.ReplacePixelsArgs) {
bce.EndEncoding()
}
func (g *Graphics) DrawShader(dstID driver.ImageID, srcIDs [graphics.ShaderImageNum]driver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader driver.ShaderID, indexLen int, indexOffset int, dstRegion, srcRegion driver.Region, mode driver.CompositeMode, uniforms []interface{}) error {
func (g *Graphics) drawTrianglesWithShader(dstID driver.ImageID, srcIDs [graphics.ShaderImageNum]driver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader driver.ShaderID, indexLen int, indexOffset int, mode driver.CompositeMode, dstRegion, srcRegion driver.Region, uniforms []interface{}) error {
dst := g.images[dstID]
var srcs [graphics.ShaderImageNum]*Image

11
internal/graphicsdriver/opengl/graphics.go
View File

@ -142,7 +142,14 @@ func (g *Graphics) SetVertices(vertices []float32, indices []uint16) {
g.context.elementArrayBufferSubData(indices)
}
func (g *Graphics) Draw(dst, src driver.ImageID, indexLen int, indexOffset int, mode driver.CompositeMode, colorM *affine.ColorM, filter driver.Filter, address driver.Address, dstRegion, srcRegion driver.Region) error {
func (g *Graphics) DrawTriangles(dstID driver.ImageID, srcIDs [graphics.ShaderImageNum]driver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader driver.ShaderID, indexLen int, indexOffset int, mode driver.CompositeMode, colorM *affine.ColorM, filter driver.Filter, address driver.Address, dstRegion, srcRegion driver.Region, uniforms []interface{}) error {
if shader == driver.InvalidShaderID {
return g.drawTrianglesWithDefaultShader(dstID, srcIDs[0], indexLen, indexOffset, mode, colorM, filter, address, dstRegion, srcRegion)
}
return g.drawTrianglesWithShader(dstID, srcIDs, offsets, shader, indexLen, indexOffset, mode, dstRegion, srcRegion, uniforms)
}
func (g *Graphics) drawTrianglesWithDefaultShader(dst, src driver.ImageID, indexLen int, indexOffset int, mode driver.CompositeMode, colorM *affine.ColorM, filter driver.Filter, address driver.Address, dstRegion, srcRegion driver.Region) error {
destination := g.images[dst]
source := g.images[src]
@ -289,7 +296,7 @@ func (g *Graphics) removeShader(shader *Shader) {
delete(g.shaders, shader.id)
}
func (g *Graphics) DrawShader(dst driver.ImageID, srcs [graphics.ShaderImageNum]driver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader driver.ShaderID, indexLen int, indexOffset int, dstRegion, srcRegion driver.Region, mode driver.CompositeMode, uniforms []interface{}) error {
func (g *Graphics) drawTrianglesWithShader(dst driver.ImageID, srcs [graphics.ShaderImageNum]driver.ImageID, offsets [graphics.ShaderImageNum - 1][2]float32, shader driver.ShaderID, indexLen int, indexOffset int, mode driver.CompositeMode, dstRegion, srcRegion driver.Region, uniforms []interface{}) error {
d := g.images[dst]
s := g.shaders[shader]