mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2025-01-27 03:02:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

shaderir: Add predefined macros

Browse Source
This commit is contained in:
Hajime Hoshi 2020-05-16 23:29:01 +09:00
parent 66e76597d8
commit 316e502f4b
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
internal/shaderir/glsl.go
View File

@ -53,16 +53,20 @@ func (p *Program) Glsl() string {
// Vertex func // Vertex func
if len(p.VertexFunc.Block.Stmts) > 0 { if len(p.VertexFunc.Block.Stmts) > 0 {
lines = append(lines, "#if defined(COMPILING_VERTEX_SHADER)")
lines = append(lines, "void main(void) {") lines = append(lines, "void main(void) {")
lines = append(lines, p.glslBlock(&p.VertexFunc.Block, 0, 0)...) lines = append(lines, p.glslBlock(&p.VertexFunc.Block, 0, 0)...)
lines = append(lines, "}") lines = append(lines, "}")
lines = append(lines, "#endif")
} }
// Fragment func // Fragment func
if len(p.FragmentFunc.Block.Stmts) > 0 { if len(p.FragmentFunc.Block.Stmts) > 0 {
lines = append(lines, "#if defined(COMPILING_FRAGMENT_SHADER)")
lines = append(lines, "void main(void) {") lines = append(lines, "void main(void) {")
lines = append(lines, p.glslBlock(&p.FragmentFunc.Block, 0, 0)...) lines = append(lines, p.glslBlock(&p.FragmentFunc.Block, 0, 0)...)
lines = append(lines, "}") lines = append(lines, "}")
lines = append(lines, "#endif")
} }
var stLines []string var stLines []string

10
internal/shaderir/ir_test.go
View File

@ -562,11 +562,13 @@ attribute float A1;
attribute vec2 A2; attribute vec2 A2;
varying float V0; varying float V0;
varying vec2 V1; varying vec2 V1;
#if defined(COMPILING_VERTEX_SHADER)
void main(void) { void main(void) {
gl_Position = A0; gl_Position = A0;
V0 = A1; V0 = A1;
V1 = A2; V1 = A2;
}`, }
#endif`,
}, },
{ {
Name: "FragmentFunc", Name: "FragmentFunc",
@ -628,11 +630,14 @@ attribute float A1;
attribute vec2 A2; attribute vec2 A2;
varying float V0; varying float V0;
varying vec2 V1; varying vec2 V1;
#if defined(COMPILING_VERTEX_SHADER)
void main(void) { void main(void) {
gl_Position = A0; gl_Position = A0;
V0 = A1; V0 = A1;
V1 = A2; V1 = A2;
} }
#endif
#if defined(COMPILING_FRAGMENT_SHADER)
void main(void) { void main(void) {
vec2 l0; vec2 l0;
vec4 l1; vec4 l1;
@ -640,7 +645,8 @@ void main(void) {
l2 = V0; l2 = V0;
l0 = V1; l0 = V1;
l1 = gl_FragCoord; l1 = gl_FragCoord;
}`, }
#endif`,
}, },
} }
for _, tc := range tests { for _, tc := range tests {