diff options
Diffstat (limited to 'src/GPU3D_OpenGL43.cpp')
| -rw-r--r-- | src/GPU3D_OpenGL43.cpp | 641 |
1 files changed, 13 insertions, 628 deletions
diff --git a/src/GPU3D_OpenGL43.cpp b/src/GPU3D_OpenGL43.cpp index e76db7f..6db9a18 100644 --- a/src/GPU3D_OpenGL43.cpp +++ b/src/GPU3D_OpenGL43.cpp @@ -21,6 +21,7 @@ #include "NDS.h" #include "GPU.h" #include "OpenGLSupport.h" +#include "GPU3D_OpenGL43_shaders.h" namespace GPU3D { @@ -33,631 +34,6 @@ namespace GLRenderer43 // * UBO: 3.1 // * glMemoryBarrier: 4.2 -// TODO: consider other way to handle uniforms (UBO?) - -#define kShaderHeader "#version 430" - - -const char* kClearVS = kShaderHeader R"( - -layout(location=0) in vec2 vPosition; - -layout(location=1) uniform uint uDepth; - -void main() -{ - float fdepth = (float(uDepth) / 8388608.0) - 1.0; - gl_Position = vec4(vPosition, fdepth, 1.0); -} -)"; - -const char* kClearFS = kShaderHeader R"( - -layout(location=0) uniform uvec4 uColor; -layout(location=2) uniform uint uOpaquePolyID; -layout(location=3) uniform uint uFogFlag; - -layout(location=0) out vec4 oColor; -layout(location=1) out uvec3 oAttr; - -void main() -{ - oColor = vec4(uColor).bgra / 31.0; - oAttr.r = 0; - oAttr.g = uOpaquePolyID; - oAttr.b = 0; -} -)"; - - -const char* kRenderVSCommon = R"( - -layout(std140, binding=0) uniform uConfig -{ - vec2 uScreenSize; - uint uDispCnt; - vec4 uToonColors[32]; -}; - -layout(location=0) in uvec4 vPosition; -layout(location=1) in uvec4 vColor; -layout(location=2) in ivec2 vTexcoord; -layout(location=3) in uvec3 vPolygonAttr; - -smooth out vec4 fColor; -smooth out vec2 fTexcoord; -flat out uvec3 fPolygonAttr; -)"; - -const char* kRenderFSCommon = R"( - -layout(binding=0) uniform usampler2D TexMem; -layout(binding=1) uniform sampler2D TexPalMem; - -layout(std140, binding=0) uniform uConfig -{ - vec2 uScreenSize; - uint uDispCnt; - vec4 uToonColors[32]; -}; - -smooth in vec4 fColor; -smooth in vec2 fTexcoord; -flat in uvec3 fPolygonAttr; - -layout(location=0) out vec4 oColor; -layout(location=1) out uvec3 oAttr; - -int TexcoordWrap(int c, int maxc, uint mode) -{ - if ((mode & (1<<0)) != 0) - { - if ((mode & (1<<2)) != 0 && (c & maxc) != 0) - return (maxc-1) - (c & (maxc-1)); - else - return (c & (maxc-1)); - } - else - return clamp(c, 0, maxc-1); -} - -vec4 TextureFetch_A3I5(ivec2 addr, ivec4 st, uint wrapmode) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y * st.z) + st.x); - uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - - pixel.a = (pixel.r & 0xE0); - pixel.a = (pixel.a >> 3) + (pixel.a >> 6); - pixel.r &= 0x1F; - - addr.y = (addr.y << 3) + int(pixel.r); - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - - return vec4(color.rgb, float(pixel.a)/31.0); -} - -vec4 TextureFetch_I2(ivec2 addr, ivec4 st, uint wrapmode, float alpha0) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y * st.z) + st.x) >> 2; - uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - pixel.r >>= (2 * (st.x & 3)); - pixel.r &= 0x03; - - addr.y = (addr.y << 2) + int(pixel.r); - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - - return vec4(color.rgb, max(step(1,pixel.r),alpha0)); -} - -vec4 TextureFetch_I4(ivec2 addr, ivec4 st, uint wrapmode, float alpha0) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y * st.z) + st.x) >> 1; - uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - if ((st.x & 1) != 0) pixel.r >>= 4; - else pixel.r &= 0x0F; - - addr.y = (addr.y << 3) + int(pixel.r); - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - - return vec4(color.rgb, max(step(1,pixel.r),alpha0)); -} - -vec4 TextureFetch_I8(ivec2 addr, ivec4 st, uint wrapmode, float alpha0) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y * st.z) + st.x); - uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - - addr.y = (addr.y << 3) + int(pixel.r); - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - - return vec4(color.rgb, max(step(1,pixel.r),alpha0)); -} - -vec4 TextureFetch_Compressed(ivec2 addr, ivec4 st, uint wrapmode) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y & 0x3FC) * (st.z>>2)) + (st.x & 0x3FC) + (st.y & 0x3); - uvec4 p = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - uint val = (p.r >> (2 * (st.x & 0x3))) & 0x3; - - int slot1addr = 0x20000 + ((addr.x & 0x1FFFC) >> 1); - if (addr.x >= 0x40000) slot1addr += 0x10000; - - uint palinfo; - p = texelFetch(TexMem, ivec2(slot1addr&0x3FF, slot1addr>>10), 0); - palinfo = p.r; - slot1addr++; - p = texelFetch(TexMem, ivec2(slot1addr&0x3FF, slot1addr>>10), 0); - palinfo |= (p.r << 8); - - addr.y = (addr.y << 3) + ((int(palinfo) & 0x3FFF) << 1); - palinfo >>= 14; - - if (val == 0) - { - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4(color.rgb, 1.0); - } - else if (val == 1) - { - addr.y++; - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4(color.rgb, 1.0); - } - else if (val == 2) - { - if (palinfo == 1) - { - vec4 color0 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - addr.y++; - vec4 color1 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4((color0.rgb + color1.rgb) / 2.0, 1.0); - } - else if (palinfo == 3) - { - vec4 color0 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - addr.y++; - vec4 color1 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4((color0.rgb*5.0 + color1.rgb*3.0) / 8.0, 1.0); - } - else - { - addr.y += 2; - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4(color.rgb, 1.0); - } - } - else - { - if (palinfo == 2) - { - addr.y += 3; - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4(color.rgb, 1.0); - } - else if (palinfo == 3) - { - vec4 color0 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - addr.y++; - vec4 color1 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - return vec4((color0.rgb*3.0 + color1.rgb*5.0) / 8.0, 1.0); - } - else - { - return vec4(0.0); - } - } -} - -vec4 TextureFetch_A5I3(ivec2 addr, ivec4 st, uint wrapmode) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y * st.z) + st.x); - uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - - pixel.a = (pixel.r & 0xF8) >> 3; - pixel.r &= 0x07; - - addr.y = (addr.y << 3) + int(pixel.r); - vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0); - - return vec4(color.rgb, float(pixel.a)/31.0); -} - -vec4 TextureFetch_Direct(ivec2 addr, ivec4 st, uint wrapmode) -{ - st.x = TexcoordWrap(st.x, st.z, wrapmode>>0); - st.y = TexcoordWrap(st.y, st.w, wrapmode>>1); - - addr.x += ((st.y * st.z) + st.x) << 1; - uvec4 pixelL = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - addr.x++; - uvec4 pixelH = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0); - - vec4 color; - color.r = float(pixelL.r & 0x1F) / 31.0; - color.g = float((pixelL.r >> 5) | ((pixelH.r & 0x03) << 3)) / 31.0; - color.b = float((pixelH.r & 0x7C) >> 2) / 31.0; - color.a = float(pixelH.r >> 7); - - return color; -} - -vec4 TextureLookup_Nearest(vec2 st) -{ - uint attr = fPolygonAttr.y; - uint paladdr = fPolygonAttr.z; - - float alpha0; - if ((attr & (1<<29)) != 0) alpha0 = 0.0; - else alpha0 = 1.0; - - int tw = 8 << int((attr >> 20) & 0x7); - int th = 8 << int((attr >> 23) & 0x7); - ivec4 st_full = ivec4(ivec2(st), tw, th); - - ivec2 vramaddr = ivec2(int(attr & 0xFFFF) << 3, int(paladdr)); - uint wrapmode = attr >> 16; - - uint type = (attr >> 26) & 0x7; - if (type == 5) return TextureFetch_Compressed(vramaddr, st_full, wrapmode); - else if (type == 2) return TextureFetch_I2 (vramaddr, st_full, wrapmode, alpha0); - else if (type == 3) return TextureFetch_I4 (vramaddr, st_full, wrapmode, alpha0); - else if (type == 4) return TextureFetch_I8 (vramaddr, st_full, wrapmode, alpha0); - else if (type == 1) return TextureFetch_A3I5 (vramaddr, st_full, wrapmode); - else if (type == 6) return TextureFetch_A5I3 (vramaddr, st_full, wrapmode); - else return TextureFetch_Direct (vramaddr, st_full, wrapmode); -} - -vec4 TextureLookup_Linear(vec2 texcoord) -{ - ivec2 intpart = ivec2(texcoord); - vec2 fracpart = fract(texcoord); - - uint attr = fPolygonAttr.y; - uint paladdr = fPolygonAttr.z; - - float alpha0; - if ((attr & (1<<29)) != 0) alpha0 = 0.0; - else alpha0 = 1.0; - - int tw = 8 << int((attr >> 20) & 0x7); - int th = 8 << int((attr >> 23) & 0x7); - ivec4 st_full = ivec4(intpart, tw, th); - - ivec2 vramaddr = ivec2(int(attr & 0xFFFF) << 3, int(paladdr)); - uint wrapmode = attr >> 16; - - vec4 A, B, C, D; - uint type = (attr >> 26) & 0x7; - if (type == 5) - { - A = TextureFetch_Compressed(vramaddr, st_full , wrapmode); - B = TextureFetch_Compressed(vramaddr, st_full + ivec4(1,0,0,0), wrapmode); - C = TextureFetch_Compressed(vramaddr, st_full + ivec4(0,1,0,0), wrapmode); - D = TextureFetch_Compressed(vramaddr, st_full + ivec4(1,1,0,0), wrapmode); - } - else if (type == 2) - { - A = TextureFetch_I2(vramaddr, st_full , wrapmode, alpha0); - B = TextureFetch_I2(vramaddr, st_full + ivec4(1,0,0,0), wrapmode, alpha0); - C = TextureFetch_I2(vramaddr, st_full + ivec4(0,1,0,0), wrapmode, alpha0); - D = TextureFetch_I2(vramaddr, st_full + ivec4(1,1,0,0), wrapmode, alpha0); - } - else if (type == 3) - { - A = TextureFetch_I4(vramaddr, st_full , wrapmode, alpha0); - B = TextureFetch_I4(vramaddr, st_full + ivec4(1,0,0,0), wrapmode, alpha0); - C = TextureFetch_I4(vramaddr, st_full + ivec4(0,1,0,0), wrapmode, alpha0); - D = TextureFetch_I4(vramaddr, st_full + ivec4(1,1,0,0), wrapmode, alpha0); - } - else if (type == 4) - { - A = TextureFetch_I8(vramaddr, st_full , wrapmode, alpha0); - B = TextureFetch_I8(vramaddr, st_full + ivec4(1,0,0,0), wrapmode, alpha0); - C = TextureFetch_I8(vramaddr, st_full + ivec4(0,1,0,0), wrapmode, alpha0); - D = TextureFetch_I8(vramaddr, st_full + ivec4(1,1,0,0), wrapmode, alpha0); - } - else if (type == 1) - { - A = TextureFetch_A3I5(vramaddr, st_full , wrapmode); - B = TextureFetch_A3I5(vramaddr, st_full + ivec4(1,0,0,0), wrapmode); - C = TextureFetch_A3I5(vramaddr, st_full + ivec4(0,1,0,0), wrapmode); - D = TextureFetch_A3I5(vramaddr, st_full + ivec4(1,1,0,0), wrapmode); - } - else if (type == 6) - { - A = TextureFetch_A5I3(vramaddr, st_full , wrapmode); - B = TextureFetch_A5I3(vramaddr, st_full + ivec4(1,0,0,0), wrapmode); - C = TextureFetch_A5I3(vramaddr, st_full + ivec4(0,1,0,0), wrapmode); - D = TextureFetch_A5I3(vramaddr, st_full + ivec4(1,1,0,0), wrapmode); - } - else - { - A = TextureFetch_Direct(vramaddr, st_full , wrapmode); - B = TextureFetch_Direct(vramaddr, st_full + ivec4(1,0,0,0), wrapmode); - C = TextureFetch_Direct(vramaddr, st_full + ivec4(0,1,0,0), wrapmode); - D = TextureFetch_Direct(vramaddr, st_full + ivec4(1,1,0,0), wrapmode); - } - - float fx = fracpart.x; - vec4 AB; - if (A.a < (0.5/31.0) && B.a < (0.5/31.0)) - AB = vec4(0); - else - { - //if (A.a < (0.5/31.0) || B.a < (0.5/31.0)) - // fx = step(0.5, fx); - - AB = mix(A, B, fx); - } - - fx = fracpart.x; - vec4 CD; - if (C.a < (0.5/31.0) && D.a < (0.5/31.0)) - CD = vec4(0); - else - { - //if (C.a < (0.5/31.0) || D.a < (0.5/31.0)) - // fx = step(0.5, fx); - - CD = mix(C, D, fx); - } - - fx = fracpart.y; - vec4 ret; - if (AB.a < (0.5/31.0) && CD.a < (0.5/31.0)) - ret = vec4(0); - else - { - //if (AB.a < (0.5/31.0) || CD.a < (0.5/31.0)) - // fx = step(0.5, fx); - - ret = mix(AB, CD, fx); - } - - return ret; -} - -vec4 FinalColor() -{ - vec4 col; - vec4 vcol = fColor; - uint blendmode = (fPolygonAttr.x >> 4) & 0x3; - - if (blendmode == 2) - { - if ((uDispCnt & (1<<1)) == 0) - { - // toon - vec3 tooncolor = uToonColors[int(vcol.r * 31)].rgb; - vcol.rgb = tooncolor; - } - else - { - // highlight - vcol.rgb = vcol.rrr; - } - } - - if ((((fPolygonAttr.y >> 26) & 0x7) == 0) || ((uDispCnt & (1<<0)) == 0)) - { - // no texture - col = vcol; - } - else - { - vec4 tcol = TextureLookup_Nearest(fTexcoord); - //vec4 tcol = TextureLookup_Linear(fTexcoord); - - if ((blendmode & 1) != 0) - { - // decal - col.rgb = (tcol.rgb * tcol.a) + (vcol.rgb * (1.0-tcol.a)); - col.a = vcol.a; - } - else - { - // modulate - col = vcol * tcol; - } - } - - if (blendmode == 2) - { - if ((uDispCnt & (1<<1)) != 0) - { - vec3 tooncolor = uToonColors[int(vcol.r * 31)].rgb; - col.rgb = min(col.rgb + tooncolor, 1.0); - } - } - - return col.bgra; -} -)"; - - -const char* kRenderVS_Z = R"( - -void main() -{ - uint attr = vPolygonAttr.x; - uint zshift = (attr >> 16) & 0x1F; - - vec4 fpos; - fpos.xy = ((vec2(vPosition.xy) * 2.0) / uScreenSize) - 1.0; - fpos.z = (float(vPosition.z << zshift) / 8388608.0) - 1.0; - fpos.w = float(vPosition.w) / 65536.0f; - fpos.xyz *= fpos.w; - - fColor = vec4(vColor) / vec4(255.0,255.0,255.0,31.0); - fTexcoord = vec2(vTexcoord) / 16.0; - fPolygonAttr = vPolygonAttr; - - gl_Position = fpos; -} -)"; - -const char* kRenderVS_W = R"( - -smooth out float fZ; - -void main() -{ - uint attr = vPolygonAttr.x; - uint zshift = (attr >> 16) & 0x1F; - - vec4 fpos; - fpos.xy = ((vec2(vPosition.xy) * 2.0) / uScreenSize) - 1.0; - fZ = float(vPosition.z << zshift) / 16777216.0; - fpos.w = float(vPosition.w) / 65536.0f; - fpos.xy *= fpos.w; - - fColor = vec4(vColor) / vec4(255.0,255.0,255.0,31.0); - fTexcoord = vec2(vTexcoord) / 16.0; - fPolygonAttr = vPolygonAttr; - - gl_Position = fpos; -} -)"; - - -const char* kRenderFS_ZO = R"( - -void main() -{ - vec4 col = FinalColor(); - if (col.a < 30.5/31) discard; - - oColor = col; - oAttr.g = (fPolygonAttr.x >> 24) & 0x3F; -} -)"; - -const char* kRenderFS_WO = R"( - -smooth in float fZ; - -void main() -{ - vec4 col = FinalColor(); - if (col.a < 30.5/31) discard; - - oColor = col; - oAttr.g = (fPolygonAttr.x >> 24) & 0x3F; - gl_FragDepth = fZ; -} -)"; - -const char* kRenderFS_ZT = R"( - -void main() -{ - vec4 col = FinalColor(); - if (col.a < 0.5/31) discard; - if (col.a >= 30.5/31) discard; - - oColor = col; - oAttr.g = 0xFF; -} -)"; - -const char* kRenderFS_WT = R"( - -smooth in float fZ; - -void main() -{ - vec4 col = FinalColor(); - if (col.a < 0.5/31) discard; - if (col.a >= 30.5/31) discard; - - oColor = col; - oAttr.g = 0xFF; - gl_FragDepth = fZ; -} -)"; - -const char* kRenderFS_ZSM = R"( - -void main() -{ - oColor = vec4(0,0,0,1); - oAttr.g = 0xFF; - oAttr.b = 1; -} -)"; - -const char* kRenderFS_WSM = R"( - -smooth in float fZ; - -void main() -{ - oColor = vec4(0,0,0,1); - oAttr.g = 0xFF; - oAttr.b = 1; - gl_FragDepth = fZ; -} -)"; - -const char* kRenderFS_ZS = R"( - -layout(binding=2) uniform usampler2D iAttrTex; -//layout(origin_upper_left) in vec4 gl_FragCoord; - -void main() -{ - vec4 col = FinalColor(); - if (col.a < 0.5/31) discard; - if (col.a >= 30.5/31) discard; - - uvec4 iAttr = texelFetch(iAttrTex, ivec2(gl_FragCoord.xy), 0); - if (iAttr.b != 1) discard; - if (iAttr.g == ((fPolygonAttr.x >> 24) & 0x3F)) discard; - - oColor = col; -} -)"; - -const char* kRenderFS_WS = R"( - -layout(binding=2) uniform usampler2D iAttrTex; -//layout(origin_upper_left) in vec4 gl_FragCoord; - -smooth in float fZ; - -void main() -{ - vec4 col = FinalColor(); - if (col.a < 0.5/31) discard; - if (col.a >= 30.5/31) discard; - - uvec4 iAttr = texelFetch(iAttrTex, ivec2(gl_FragCoord.xy), 0); - if (iAttr.b != 1) discard; - if (iAttr.g == ((fPolygonAttr.x >> 24) & 0x3F)) discard; - - oColor = col; - gl_FragDepth = fZ; -} -)"; - enum { @@ -721,6 +97,7 @@ GLuint TexMemID; GLuint TexPalMemID; int ScaleFactor; +bool Accelerated; int ScreenW, ScreenH; GLuint FramebufferTex[4]; @@ -968,9 +345,10 @@ void Reset() // } -void SetScale(int scale) +void SetDisplaySettings(int scale, bool accel) { ScaleFactor = scale; + Accelerated = accel; // TODO: antialiasing setting ScreenW = 256 << scale; @@ -986,10 +364,12 @@ void SetScale(int scale) glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, ScreenW/2, ScreenH/2, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID); - glBufferData(GL_PIXEL_PACK_BUFFER, ScreenW*ScreenH*4, NULL, GL_DYNAMIC_READ); + if (accel) glBufferData(GL_PIXEL_PACK_BUFFER, ScreenW*ScreenH*4, NULL, GL_DYNAMIC_READ); + else glBufferData(GL_PIXEL_PACK_BUFFER, 256*192, NULL, GL_DYNAMIC_READ); if (Framebuffer) delete[] Framebuffer; - Framebuffer = new u32[ScreenW*ScreenH]; + if (accel) Framebuffer = new u32[256*192]; + else Framebuffer = new u32[ScreenW*ScreenH]; } @@ -1533,5 +913,10 @@ u32* GetLine(int line) return &Framebuffer[stride * line]; } +void SetupAccelFrame() +{ + // +} + } } |