1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/renderer/renderer9_utils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,500 @@
1.4 +#include "precompiled.h"
1.5 +//
1.6 +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
1.7 +// Use of this source code is governed by a BSD-style license that can be
1.8 +// found in the LICENSE file.
1.9 +//
1.10 +
1.11 +// renderer9_utils.cpp: Conversion functions and other utility routines
1.12 +// specific to the D3D9 renderer.
1.13 +
1.14 +#include "libGLESv2/renderer/renderer9_utils.h"
1.15 +#include "libGLESv2/mathutil.h"
1.16 +#include "libGLESv2/Context.h"
1.17 +
1.18 +#include "common/debug.h"
1.19 +
1.20 +namespace gl_d3d9
1.21 +{
1.22 +
1.23 +D3DCMPFUNC ConvertComparison(GLenum comparison)
1.24 +{
1.25 + D3DCMPFUNC d3dComp = D3DCMP_ALWAYS;
1.26 + switch (comparison)
1.27 + {
1.28 + case GL_NEVER: d3dComp = D3DCMP_NEVER; break;
1.29 + case GL_ALWAYS: d3dComp = D3DCMP_ALWAYS; break;
1.30 + case GL_LESS: d3dComp = D3DCMP_LESS; break;
1.31 + case GL_LEQUAL: d3dComp = D3DCMP_LESSEQUAL; break;
1.32 + case GL_EQUAL: d3dComp = D3DCMP_EQUAL; break;
1.33 + case GL_GREATER: d3dComp = D3DCMP_GREATER; break;
1.34 + case GL_GEQUAL: d3dComp = D3DCMP_GREATEREQUAL; break;
1.35 + case GL_NOTEQUAL: d3dComp = D3DCMP_NOTEQUAL; break;
1.36 + default: UNREACHABLE();
1.37 + }
1.38 +
1.39 + return d3dComp;
1.40 +}
1.41 +
1.42 +D3DCOLOR ConvertColor(gl::Color color)
1.43 +{
1.44 + return D3DCOLOR_RGBA(gl::unorm<8>(color.red),
1.45 + gl::unorm<8>(color.green),
1.46 + gl::unorm<8>(color.blue),
1.47 + gl::unorm<8>(color.alpha));
1.48 +}
1.49 +
1.50 +D3DBLEND ConvertBlendFunc(GLenum blend)
1.51 +{
1.52 + D3DBLEND d3dBlend = D3DBLEND_ZERO;
1.53 +
1.54 + switch (blend)
1.55 + {
1.56 + case GL_ZERO: d3dBlend = D3DBLEND_ZERO; break;
1.57 + case GL_ONE: d3dBlend = D3DBLEND_ONE; break;
1.58 + case GL_SRC_COLOR: d3dBlend = D3DBLEND_SRCCOLOR; break;
1.59 + case GL_ONE_MINUS_SRC_COLOR: d3dBlend = D3DBLEND_INVSRCCOLOR; break;
1.60 + case GL_DST_COLOR: d3dBlend = D3DBLEND_DESTCOLOR; break;
1.61 + case GL_ONE_MINUS_DST_COLOR: d3dBlend = D3DBLEND_INVDESTCOLOR; break;
1.62 + case GL_SRC_ALPHA: d3dBlend = D3DBLEND_SRCALPHA; break;
1.63 + case GL_ONE_MINUS_SRC_ALPHA: d3dBlend = D3DBLEND_INVSRCALPHA; break;
1.64 + case GL_DST_ALPHA: d3dBlend = D3DBLEND_DESTALPHA; break;
1.65 + case GL_ONE_MINUS_DST_ALPHA: d3dBlend = D3DBLEND_INVDESTALPHA; break;
1.66 + case GL_CONSTANT_COLOR: d3dBlend = D3DBLEND_BLENDFACTOR; break;
1.67 + case GL_ONE_MINUS_CONSTANT_COLOR: d3dBlend = D3DBLEND_INVBLENDFACTOR; break;
1.68 + case GL_CONSTANT_ALPHA: d3dBlend = D3DBLEND_BLENDFACTOR; break;
1.69 + case GL_ONE_MINUS_CONSTANT_ALPHA: d3dBlend = D3DBLEND_INVBLENDFACTOR; break;
1.70 + case GL_SRC_ALPHA_SATURATE: d3dBlend = D3DBLEND_SRCALPHASAT; break;
1.71 + default: UNREACHABLE();
1.72 + }
1.73 +
1.74 + return d3dBlend;
1.75 +}
1.76 +
1.77 +D3DBLENDOP ConvertBlendOp(GLenum blendOp)
1.78 +{
1.79 + D3DBLENDOP d3dBlendOp = D3DBLENDOP_ADD;
1.80 +
1.81 + switch (blendOp)
1.82 + {
1.83 + case GL_FUNC_ADD: d3dBlendOp = D3DBLENDOP_ADD; break;
1.84 + case GL_FUNC_SUBTRACT: d3dBlendOp = D3DBLENDOP_SUBTRACT; break;
1.85 + case GL_FUNC_REVERSE_SUBTRACT: d3dBlendOp = D3DBLENDOP_REVSUBTRACT; break;
1.86 + default: UNREACHABLE();
1.87 + }
1.88 +
1.89 + return d3dBlendOp;
1.90 +}
1.91 +
1.92 +D3DSTENCILOP ConvertStencilOp(GLenum stencilOp)
1.93 +{
1.94 + D3DSTENCILOP d3dStencilOp = D3DSTENCILOP_KEEP;
1.95 +
1.96 + switch (stencilOp)
1.97 + {
1.98 + case GL_ZERO: d3dStencilOp = D3DSTENCILOP_ZERO; break;
1.99 + case GL_KEEP: d3dStencilOp = D3DSTENCILOP_KEEP; break;
1.100 + case GL_REPLACE: d3dStencilOp = D3DSTENCILOP_REPLACE; break;
1.101 + case GL_INCR: d3dStencilOp = D3DSTENCILOP_INCRSAT; break;
1.102 + case GL_DECR: d3dStencilOp = D3DSTENCILOP_DECRSAT; break;
1.103 + case GL_INVERT: d3dStencilOp = D3DSTENCILOP_INVERT; break;
1.104 + case GL_INCR_WRAP: d3dStencilOp = D3DSTENCILOP_INCR; break;
1.105 + case GL_DECR_WRAP: d3dStencilOp = D3DSTENCILOP_DECR; break;
1.106 + default: UNREACHABLE();
1.107 + }
1.108 +
1.109 + return d3dStencilOp;
1.110 +}
1.111 +
1.112 +D3DTEXTUREADDRESS ConvertTextureWrap(GLenum wrap)
1.113 +{
1.114 + D3DTEXTUREADDRESS d3dWrap = D3DTADDRESS_WRAP;
1.115 +
1.116 + switch (wrap)
1.117 + {
1.118 + case GL_REPEAT: d3dWrap = D3DTADDRESS_WRAP; break;
1.119 + case GL_CLAMP_TO_EDGE: d3dWrap = D3DTADDRESS_CLAMP; break;
1.120 + case GL_MIRRORED_REPEAT: d3dWrap = D3DTADDRESS_MIRROR; break;
1.121 + default: UNREACHABLE();
1.122 + }
1.123 +
1.124 + return d3dWrap;
1.125 +}
1.126 +
1.127 +D3DCULL ConvertCullMode(GLenum cullFace, GLenum frontFace)
1.128 +{
1.129 + D3DCULL cull = D3DCULL_CCW;
1.130 + switch (cullFace)
1.131 + {
1.132 + case GL_FRONT:
1.133 + cull = (frontFace == GL_CCW ? D3DCULL_CW : D3DCULL_CCW);
1.134 + break;
1.135 + case GL_BACK:
1.136 + cull = (frontFace == GL_CCW ? D3DCULL_CCW : D3DCULL_CW);
1.137 + break;
1.138 + case GL_FRONT_AND_BACK:
1.139 + cull = D3DCULL_NONE; // culling will be handled during draw
1.140 + break;
1.141 + default: UNREACHABLE();
1.142 + }
1.143 +
1.144 + return cull;
1.145 +}
1.146 +
1.147 +D3DCUBEMAP_FACES ConvertCubeFace(GLenum cubeFace)
1.148 +{
1.149 + D3DCUBEMAP_FACES face = D3DCUBEMAP_FACE_POSITIVE_X;
1.150 +
1.151 + switch (cubeFace)
1.152 + {
1.153 + case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1.154 + face = D3DCUBEMAP_FACE_POSITIVE_X;
1.155 + break;
1.156 + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1.157 + face = D3DCUBEMAP_FACE_NEGATIVE_X;
1.158 + break;
1.159 + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1.160 + face = D3DCUBEMAP_FACE_POSITIVE_Y;
1.161 + break;
1.162 + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1.163 + face = D3DCUBEMAP_FACE_NEGATIVE_Y;
1.164 + break;
1.165 + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1.166 + face = D3DCUBEMAP_FACE_POSITIVE_Z;
1.167 + break;
1.168 + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1.169 + face = D3DCUBEMAP_FACE_NEGATIVE_Z;
1.170 + break;
1.171 + default: UNREACHABLE();
1.172 + }
1.173 +
1.174 + return face;
1.175 +}
1.176 +
1.177 +DWORD ConvertColorMask(bool red, bool green, bool blue, bool alpha)
1.178 +{
1.179 + return (red ? D3DCOLORWRITEENABLE_RED : 0) |
1.180 + (green ? D3DCOLORWRITEENABLE_GREEN : 0) |
1.181 + (blue ? D3DCOLORWRITEENABLE_BLUE : 0) |
1.182 + (alpha ? D3DCOLORWRITEENABLE_ALPHA : 0);
1.183 +}
1.184 +
1.185 +D3DTEXTUREFILTERTYPE ConvertMagFilter(GLenum magFilter, float maxAnisotropy)
1.186 +{
1.187 + if (maxAnisotropy > 1.0f)
1.188 + {
1.189 + return D3DTEXF_ANISOTROPIC;
1.190 + }
1.191 +
1.192 + D3DTEXTUREFILTERTYPE d3dMagFilter = D3DTEXF_POINT;
1.193 + switch (magFilter)
1.194 + {
1.195 + case GL_NEAREST: d3dMagFilter = D3DTEXF_POINT; break;
1.196 + case GL_LINEAR: d3dMagFilter = D3DTEXF_LINEAR; break;
1.197 + default: UNREACHABLE();
1.198 + }
1.199 +
1.200 + return d3dMagFilter;
1.201 +}
1.202 +
1.203 +void ConvertMinFilter(GLenum minFilter, D3DTEXTUREFILTERTYPE *d3dMinFilter, D3DTEXTUREFILTERTYPE *d3dMipFilter, float maxAnisotropy)
1.204 +{
1.205 + switch (minFilter)
1.206 + {
1.207 + case GL_NEAREST:
1.208 + *d3dMinFilter = D3DTEXF_POINT;
1.209 + *d3dMipFilter = D3DTEXF_NONE;
1.210 + break;
1.211 + case GL_LINEAR:
1.212 + *d3dMinFilter = D3DTEXF_LINEAR;
1.213 + *d3dMipFilter = D3DTEXF_NONE;
1.214 + break;
1.215 + case GL_NEAREST_MIPMAP_NEAREST:
1.216 + *d3dMinFilter = D3DTEXF_POINT;
1.217 + *d3dMipFilter = D3DTEXF_POINT;
1.218 + break;
1.219 + case GL_LINEAR_MIPMAP_NEAREST:
1.220 + *d3dMinFilter = D3DTEXF_LINEAR;
1.221 + *d3dMipFilter = D3DTEXF_POINT;
1.222 + break;
1.223 + case GL_NEAREST_MIPMAP_LINEAR:
1.224 + *d3dMinFilter = D3DTEXF_POINT;
1.225 + *d3dMipFilter = D3DTEXF_LINEAR;
1.226 + break;
1.227 + case GL_LINEAR_MIPMAP_LINEAR:
1.228 + *d3dMinFilter = D3DTEXF_LINEAR;
1.229 + *d3dMipFilter = D3DTEXF_LINEAR;
1.230 + break;
1.231 + default:
1.232 + *d3dMinFilter = D3DTEXF_POINT;
1.233 + *d3dMipFilter = D3DTEXF_NONE;
1.234 + UNREACHABLE();
1.235 + }
1.236 +
1.237 + if (maxAnisotropy > 1.0f)
1.238 + {
1.239 + *d3dMinFilter = D3DTEXF_ANISOTROPIC;
1.240 + }
1.241 +}
1.242 +
1.243 +D3DFORMAT ConvertRenderbufferFormat(GLenum format)
1.244 +{
1.245 + switch (format)
1.246 + {
1.247 + case GL_NONE: return D3DFMT_NULL;
1.248 + case GL_RGBA4:
1.249 + case GL_RGB5_A1:
1.250 + case GL_RGBA8_OES: return D3DFMT_A8R8G8B8;
1.251 + case GL_RGB565: return D3DFMT_R5G6B5;
1.252 + case GL_RGB8_OES: return D3DFMT_X8R8G8B8;
1.253 + case GL_DEPTH_COMPONENT16:
1.254 + case GL_STENCIL_INDEX8:
1.255 + case GL_DEPTH24_STENCIL8_OES: return D3DFMT_D24S8;
1.256 + default: UNREACHABLE(); return D3DFMT_A8R8G8B8;
1.257 + }
1.258 +}
1.259 +
1.260 +D3DMULTISAMPLE_TYPE GetMultisampleTypeFromSamples(GLsizei samples)
1.261 +{
1.262 + if (samples <= 1)
1.263 + return D3DMULTISAMPLE_NONE;
1.264 + else
1.265 + return (D3DMULTISAMPLE_TYPE)samples;
1.266 +}
1.267 +
1.268 +}
1.269 +
1.270 +namespace d3d9_gl
1.271 +{
1.272 +
1.273 +unsigned int GetStencilSize(D3DFORMAT stencilFormat)
1.274 +{
1.275 + if (stencilFormat == D3DFMT_INTZ)
1.276 + {
1.277 + return 8;
1.278 + }
1.279 + switch(stencilFormat)
1.280 + {
1.281 + case D3DFMT_D24FS8:
1.282 + case D3DFMT_D24S8:
1.283 + return 8;
1.284 + case D3DFMT_D24X4S4:
1.285 + return 4;
1.286 + case D3DFMT_D15S1:
1.287 + return 1;
1.288 + case D3DFMT_D16_LOCKABLE:
1.289 + case D3DFMT_D32:
1.290 + case D3DFMT_D24X8:
1.291 + case D3DFMT_D32F_LOCKABLE:
1.292 + case D3DFMT_D16:
1.293 + return 0;
1.294 + //case D3DFMT_D32_LOCKABLE: return 0; // DirectX 9Ex only
1.295 + //case D3DFMT_S8_LOCKABLE: return 8; // DirectX 9Ex only
1.296 + default:
1.297 + return 0;
1.298 + }
1.299 +}
1.300 +
1.301 +unsigned int GetAlphaSize(D3DFORMAT colorFormat)
1.302 +{
1.303 + switch (colorFormat)
1.304 + {
1.305 + case D3DFMT_A16B16G16R16F:
1.306 + return 16;
1.307 + case D3DFMT_A32B32G32R32F:
1.308 + return 32;
1.309 + case D3DFMT_A2R10G10B10:
1.310 + return 2;
1.311 + case D3DFMT_A8R8G8B8:
1.312 + return 8;
1.313 + case D3DFMT_A1R5G5B5:
1.314 + return 1;
1.315 + case D3DFMT_X8R8G8B8:
1.316 + case D3DFMT_R5G6B5:
1.317 + return 0;
1.318 + default:
1.319 + return 0;
1.320 + }
1.321 +}
1.322 +
1.323 +GLsizei GetSamplesFromMultisampleType(D3DMULTISAMPLE_TYPE type)
1.324 +{
1.325 + if (type == D3DMULTISAMPLE_NONMASKABLE)
1.326 + return 0;
1.327 + else
1.328 + return type;
1.329 +}
1.330 +
1.331 +bool IsFormatChannelEquivalent(D3DFORMAT d3dformat, GLenum format)
1.332 +{
1.333 + switch (d3dformat)
1.334 + {
1.335 + case D3DFMT_L8:
1.336 + return (format == GL_LUMINANCE);
1.337 + case D3DFMT_A8L8:
1.338 + return (format == GL_LUMINANCE_ALPHA);
1.339 + case D3DFMT_DXT1:
1.340 + return (format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT || format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT);
1.341 + case D3DFMT_DXT3:
1.342 + return (format == GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE);
1.343 + case D3DFMT_DXT5:
1.344 + return (format == GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE);
1.345 + case D3DFMT_A8R8G8B8:
1.346 + case D3DFMT_A16B16G16R16F:
1.347 + case D3DFMT_A32B32G32R32F:
1.348 + return (format == GL_RGBA || format == GL_BGRA_EXT);
1.349 + case D3DFMT_X8R8G8B8:
1.350 + return (format == GL_RGB);
1.351 + default:
1.352 + if (d3dformat == D3DFMT_INTZ && gl::IsDepthTexture(format))
1.353 + return true;
1.354 + return false;
1.355 + }
1.356 +}
1.357 +
1.358 +GLenum ConvertBackBufferFormat(D3DFORMAT format)
1.359 +{
1.360 + switch (format)
1.361 + {
1.362 + case D3DFMT_A4R4G4B4: return GL_RGBA4;
1.363 + case D3DFMT_A8R8G8B8: return GL_RGBA8_OES;
1.364 + case D3DFMT_A1R5G5B5: return GL_RGB5_A1;
1.365 + case D3DFMT_R5G6B5: return GL_RGB565;
1.366 + case D3DFMT_X8R8G8B8: return GL_RGB8_OES;
1.367 + default:
1.368 + UNREACHABLE();
1.369 + }
1.370 +
1.371 + return GL_RGBA4;
1.372 +}
1.373 +
1.374 +GLenum ConvertDepthStencilFormat(D3DFORMAT format)
1.375 +{
1.376 + if (format == D3DFMT_INTZ)
1.377 + {
1.378 + return GL_DEPTH24_STENCIL8_OES;
1.379 + }
1.380 + switch (format)
1.381 + {
1.382 + case D3DFMT_D16:
1.383 + case D3DFMT_D24X8:
1.384 + return GL_DEPTH_COMPONENT16;
1.385 + case D3DFMT_D24S8:
1.386 + return GL_DEPTH24_STENCIL8_OES;
1.387 + case D3DFMT_UNKNOWN:
1.388 + return GL_NONE;
1.389 + default:
1.390 + UNREACHABLE();
1.391 + }
1.392 +
1.393 + return GL_DEPTH24_STENCIL8_OES;
1.394 +}
1.395 +
1.396 +GLenum ConvertRenderTargetFormat(D3DFORMAT format)
1.397 +{
1.398 + if (format == D3DFMT_INTZ)
1.399 + {
1.400 + return GL_DEPTH24_STENCIL8_OES;
1.401 + }
1.402 +
1.403 + switch (format)
1.404 + {
1.405 + case D3DFMT_A4R4G4B4: return GL_RGBA4;
1.406 + case D3DFMT_A8R8G8B8: return GL_RGBA8_OES;
1.407 + case D3DFMT_A1R5G5B5: return GL_RGB5_A1;
1.408 + case D3DFMT_R5G6B5: return GL_RGB565;
1.409 + case D3DFMT_X8R8G8B8: return GL_RGB8_OES;
1.410 + case D3DFMT_D16:
1.411 + case D3DFMT_D24X8:
1.412 + return GL_DEPTH_COMPONENT16;
1.413 + case D3DFMT_D24S8:
1.414 + return GL_DEPTH24_STENCIL8_OES;
1.415 + case D3DFMT_UNKNOWN:
1.416 + return GL_NONE;
1.417 + default:
1.418 + UNREACHABLE();
1.419 + }
1.420 +
1.421 + return GL_RGBA4;
1.422 +}
1.423 +
1.424 +GLenum GetEquivalentFormat(D3DFORMAT format)
1.425 +{
1.426 + if (format == D3DFMT_INTZ)
1.427 + return GL_DEPTH24_STENCIL8_OES;
1.428 + if (format == D3DFMT_NULL)
1.429 + return GL_NONE;
1.430 +
1.431 + switch (format)
1.432 + {
1.433 + case D3DFMT_A4R4G4B4: return GL_RGBA4;
1.434 + case D3DFMT_A8R8G8B8: return GL_RGBA8_OES;
1.435 + case D3DFMT_A1R5G5B5: return GL_RGB5_A1;
1.436 + case D3DFMT_R5G6B5: return GL_RGB565;
1.437 + case D3DFMT_X8R8G8B8: return GL_RGB8_OES;
1.438 + case D3DFMT_D16: return GL_DEPTH_COMPONENT16;
1.439 + case D3DFMT_D24S8: return GL_DEPTH24_STENCIL8_OES;
1.440 + case D3DFMT_UNKNOWN: return GL_NONE;
1.441 + case D3DFMT_DXT1: return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
1.442 + case D3DFMT_DXT3: return GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE;
1.443 + case D3DFMT_DXT5: return GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE;
1.444 + case D3DFMT_A32B32G32R32F: return GL_RGBA32F_EXT;
1.445 + case D3DFMT_A16B16G16R16F: return GL_RGBA16F_EXT;
1.446 + case D3DFMT_L8: return GL_LUMINANCE8_EXT;
1.447 + case D3DFMT_A8L8: return GL_LUMINANCE8_ALPHA8_EXT;
1.448 + default: UNREACHABLE();
1.449 + return GL_NONE;
1.450 + }
1.451 +}
1.452 +
1.453 +}
1.454 +
1.455 +namespace d3d9
1.456 +{
1.457 +
1.458 +bool IsCompressedFormat(D3DFORMAT surfaceFormat)
1.459 +{
1.460 + switch(surfaceFormat)
1.461 + {
1.462 + case D3DFMT_DXT1:
1.463 + case D3DFMT_DXT2:
1.464 + case D3DFMT_DXT3:
1.465 + case D3DFMT_DXT4:
1.466 + case D3DFMT_DXT5:
1.467 + return true;
1.468 + default:
1.469 + return false;
1.470 + }
1.471 +}
1.472 +
1.473 +size_t ComputeRowSize(D3DFORMAT format, unsigned int width)
1.474 +{
1.475 + if (format == D3DFMT_INTZ)
1.476 + {
1.477 + return 4 * width;
1.478 + }
1.479 + switch (format)
1.480 + {
1.481 + case D3DFMT_L8:
1.482 + return 1 * width;
1.483 + case D3DFMT_A8L8:
1.484 + return 2 * width;
1.485 + case D3DFMT_X8R8G8B8:
1.486 + case D3DFMT_A8R8G8B8:
1.487 + return 4 * width;
1.488 + case D3DFMT_A16B16G16R16F:
1.489 + return 8 * width;
1.490 + case D3DFMT_A32B32G32R32F:
1.491 + return 16 * width;
1.492 + case D3DFMT_DXT1:
1.493 + return 8 * ((width + 3) / 4);
1.494 + case D3DFMT_DXT3:
1.495 + case D3DFMT_DXT5:
1.496 + return 16 * ((width + 3) / 4);
1.497 + default:
1.498 + UNREACHABLE();
1.499 + return 0;
1.500 + }
1.501 +}
1.502 +
1.503 +}
