diff --git a/internal/graphicscommand/command.go b/internal/graphicscommand/command.go
index 23c56a3f4..a4f9d94d1 100644
--- a/internal/graphicscommand/command.go
+++ b/internal/graphicscommand/command.go
@@ -377,7 +377,7 @@ func (c *drawTrianglesCommand) Exec(graphicsDriver graphicsdriver.Graphics, inde
 		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, c.uniforms, c.evenOdd)
+	return graphicsDriver.DrawTriangles(c.dst.image.ID(), imgs, c.offsets, shaderID, c.nindices, indexOffset, c.mode, c.dstRegion, c.srcRegion, c.uniforms, c.evenOdd)
 }
 
 func (c *drawTrianglesCommand) numVertices() int {
diff --git a/internal/graphicsdriver/directx/graphics_windows.go b/internal/graphicsdriver/directx/graphics_windows.go
index 773dd3a22..ec1ebeb0f 100644
--- a/internal/graphicsdriver/directx/graphics_windows.go
+++ b/internal/graphicsdriver/directx/graphics_windows.go
@@ -1193,7 +1193,7 @@ func (g *Graphics) NewShader(program *shaderir.Program) (graphicsdriver.Shader,
 	return s, nil
 }
 
-func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, colorM graphicsdriver.ColorM, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error {
+func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error {
 	if shaderID == graphicsdriver.InvalidShaderID {
 		return fmt.Errorf("directx: shader ID is invalid")
 	}
diff --git a/internal/graphicsdriver/graphics.go b/internal/graphicsdriver/graphics.go
index c6f4898ce..2f49a9679 100644
--- a/internal/graphicsdriver/graphics.go
+++ b/internal/graphicsdriver/graphics.go
@@ -33,12 +33,6 @@ const (
 	InvalidShaderID = 0
 )
 
-type ColorM interface {
-	IsIdentity() bool
-	At(i, j int) float32
-	Elements(body []float32, translate []float32)
-}
-
 type Graphics interface {
 	Initialize() error
 	Begin() error
@@ -59,7 +53,7 @@ type Graphics interface {
 	NewShader(program *shaderir.Program) (Shader, error)
 
 	// DrawTriangles draws an image onto another image with the given parameters.
-	DrawTriangles(dst ImageID, srcs [graphics.ShaderImageCount]ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shader ShaderID, indexLen int, indexOffset int, mode CompositeMode, colorM ColorM, filter Filter, address Address, dstRegion, srcRegion Region, uniforms [][]float32, evenOdd bool) error
+	DrawTriangles(dst ImageID, srcs [graphics.ShaderImageCount]ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shader ShaderID, indexLen int, indexOffset int, mode CompositeMode, dstRegion, srcRegion Region, uniforms [][]float32, evenOdd bool) error
 }
 
 // GraphicsNotReady represents that the graphics driver is not ready for recovering from the context lost.
diff --git a/internal/graphicsdriver/metal/graphics_darwin.go b/internal/graphicsdriver/metal/graphics_darwin.go
index a10c12473..72eb45640 100644
--- a/internal/graphicsdriver/metal/graphics_darwin.go
+++ b/internal/graphicsdriver/metal/graphics_darwin.go
@@ -478,7 +478,7 @@ func (g *Graphics) draw(rps mtl.RenderPipelineState, dst *Image, dstRegion graph
 	return nil
 }
 
-func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, colorM graphicsdriver.ColorM, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error {
+func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error {
 	if shaderID == graphicsdriver.InvalidShaderID {
 		return fmt.Errorf("metal: shader ID is invalid")
 	}
diff --git a/internal/graphicsdriver/opengl/graphics.go b/internal/graphicsdriver/opengl/graphics.go
index bce99895f..306094f5b 100644
--- a/internal/graphicsdriver/opengl/graphics.go
+++ b/internal/graphicsdriver/opengl/graphics.go
@@ -180,7 +180,7 @@ func (g *Graphics) uniformVariableName(idx int) string {
 	return name
 }
 
-func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, colorM graphicsdriver.ColorM, filter graphicsdriver.Filter, address graphicsdriver.Address, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error {
+func (g *Graphics) DrawTriangles(dstID graphicsdriver.ImageID, srcIDs [graphics.ShaderImageCount]graphicsdriver.ImageID, offsets [graphics.ShaderImageCount - 1][2]float32, shaderID graphicsdriver.ShaderID, indexLen int, indexOffset int, mode graphicsdriver.CompositeMode, dstRegion, srcRegion graphicsdriver.Region, uniforms [][]float32, evenOdd bool) error {
 	if shaderID == graphicsdriver.InvalidShaderID {
 		return fmt.Errorf("opengl: shader ID is invalid")
 	}