ebiten/internal/graphicsdriver/playstation5/graphics_playstation5.go

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// Copyright 2023 The Ebitengine Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build playstation5
package playstation5
// #include "graphics_playstation5.h"
import "C"
import (
"fmt"
"runtime"
"github.com/hajimehoshi/ebiten/v2/internal/graphics"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
)
type playstation5Error struct {
name string
code int
message string
}
func newPlaystation5Error(name string, err C.ebitengine_Error) *playstation5Error {
return &playstation5Error{
name: name,
code: int(err.Code),
message: C.GoString(err.Message),
}
}
func (e *playstation5Error) Error() string {
return fmt.Sprintf("playstation5: error at %s, code: %d, message: %s", e.name, e.code, e.message)
}
type Graphics struct {
}
func NewGraphics() (*Graphics, error) {
return &Graphics{}, nil
}
func (g *Graphics) Initialize() error {
if err := C.ebitengine_InitializeGraphics(); !C.ebitengine_IsErrorNil(&err) {
return newPlaystation5Error("(*playstation5.Graphics).Initialize", err)
}
return nil
}
func (g *Graphics) Begin() error {
return nil
}
func (g *Graphics) End(present bool) error {
return nil
}
func (g *Graphics) SetTransparent(transparent bool) {
}
func (g *Graphics) SetVertices(vertices []float32, indices []uint32) error {
return nil
}
func (g *Graphics) NewImage(width, height int) (graphicsdriver.Image, error) {
var id C.int
if err := C.ebitengine_NewImage(&id, C.int(width), C.int(height)); !C.ebitengine_IsErrorNil(&err) {
return nil, newPlaystation5Error("(*playstation5.Graphics).NewImage", err)
}
return &Image{
id: graphicsdriver.ImageID(id),
}, nil
}
func (g *Graphics) NewScreenFramebufferImage(width, height int) (graphicsdriver.Image, error) {
var id C.int
if err := C.ebitengine_NewScreenFramebufferImage(&id, C.int(width), C.int(height)); !C.ebitengine_IsErrorNil(&err) {
return nil, newPlaystation5Error("(*playstation5.Graphics).NewScreenFramebufferImage", err)
}
return &Image{
id: graphicsdriver.ImageID(id),
}, nil
}
func (g *Graphics) SetVsyncEnabled(enabled bool) {
}
func (g *Graphics) NeedsClearingScreen() bool {
return false
}
func (g *Graphics) MaxImageSize() int {
return 4096 // TODO: Get the value from the SDK.
}
func (g *Graphics) NewShader(program *shaderir.Program) (graphicsdriver.Shader, error) {
var id C.int
// TODO: Give a source code.
if err := C.ebitengine_NewShader(&id, nil); !C.ebitengine_IsErrorNil(&err) {
return nil, newPlaystation5Error("(*playstation5.Graphics).NewShader", err)
}
return &Shader{
id: graphicsdriver.ShaderID(id),
}, nil
}
func (g *Graphics) DrawTriangles(dst graphicsdriver.ImageID, srcs [graphics.ShaderSrcImageCount]graphicsdriver.ImageID, shader graphicsdriver.ShaderID, dstRegions []graphicsdriver.DstRegion, indexOffset int, blend graphicsdriver.Blend, uniforms []uint32, fillRule graphicsdriver.FillRule) error {
csrcs := make([]C.int, len(srcs))
for i, src := range srcs {
csrcs[i] = C.int(src)
}
cDstRegions := make([]C.ebitengine_DstRegion, len(dstRegions))
for i, r := range dstRegions {
cDstRegions[i] = C.ebitengine_DstRegion{
Region: C.ebitengine_Rectangle{
MinX: C.int(r.Region.Min.X),
MinY: C.int(r.Region.Min.Y),
MaxX: C.int(r.Region.Max.X),
MaxY: C.int(r.Region.Max.Y),
},
IndexCount: C.int(r.IndexCount),
}
}
cUniforms := make([]C.uint32_t, len(uniforms))
for i, u := range uniforms {
cUniforms[i] = C.uint32_t(u)
}
cBlend := C.ebitengine_Blend{
BlendFactorSourceRGB: C.uint8_t(blend.BlendFactorSourceRGB),
BlendFactorSourceAlpha: C.uint8_t(blend.BlendFactorSourceAlpha),
BlendFactorDestinationRGB: C.uint8_t(blend.BlendFactorDestinationRGB),
BlendFactorDestinationAlpha: C.uint8_t(blend.BlendFactorDestinationAlpha),
BlendOperationRGB: C.uint8_t(blend.BlendOperationRGB),
BlendOperationAlpha: C.uint8_t(blend.BlendOperationAlpha),
}
args := C.ebitengine_DrawTrianglesArgs{
Dst: C.int(dst),
Srcs: &csrcs[0],
SrcCount: C.int(len(csrcs)),
Shader: C.int(shader),
DstRegions: &cDstRegions[0],
DstRegionCount: C.int(len(cDstRegions)),
IndexOffset: C.int(indexOffset),
Blend: cBlend,
Uniforms: &cUniforms[0],
UniformCount: C.int(len(cUniforms)),
FillRule: C.int(fillRule),
}
if err := C.ebitengine_DrawTriangles(&args); !C.ebitengine_IsErrorNil(&err) {
return newPlaystation5Error("(*playstation5.Graphics).DrawTriangles", err)
}
runtime.KeepAlive(args)
return nil
}
type Image struct {
id graphicsdriver.ImageID
}
func (i *Image) ID() graphicsdriver.ImageID {
return i.id
}
func (i *Image) Dispose() {
C.ebitengine_DisposeImage(C.int(i.id))
}
func (i *Image) ReadPixels(args []graphicsdriver.PixelsArgs) error {
// TODO: Implement this
return nil
}
func (i *Image) WritePixels(args []graphicsdriver.PixelsArgs) error {
// TODO: Implement this
return nil
}
type Shader struct {
id graphicsdriver.ShaderID
}
func (s *Shader) ID() graphicsdriver.ShaderID {
return s.id
}
func (s *Shader) Dispose() {
C.ebitengine_DisposeShader(C.int(s.id))
}