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@Warpten Warpten/renderer.c Secret
Created Dec 16, 2016

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#include "precompiled.h"
//
// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// renderer9_utils.cpp: Conversion functions and other utility routines
// specific to the D3D9 renderer.
#include "libGLESv2/renderer/renderer9_utils.h"
#include "libGLESv2/mathutil.h"
#include "libGLESv2/Context.h"
#include "common/debug.h"
namespace gl_d3d9
{
D3DCMPFUNC ConvertComparison(GLenum comparison)
{
D3DCMPFUNC d3dComp = D3DCMP_ALWAYS;
switch (comparison)
{
case GL_NEVER: d3dComp = D3DCMP_NEVER; break;
case GL_ALWAYS: d3dComp = D3DCMP_ALWAYS; break;
case GL_LESS: d3dComp = D3DCMP_LESS; break;
case GL_LEQUAL: d3dComp = D3DCMP_LESSEQUAL; break;
case GL_EQUAL: d3dComp = D3DCMP_EQUAL; break;
case GL_GREATER: d3dComp = D3DCMP_GREATER; break;
case GL_GEQUAL: d3dComp = D3DCMP_GREATEREQUAL; break;
case GL_NOTEQUAL: d3dComp = D3DCMP_NOTEQUAL; break;
default: UNREACHABLE();
}
return d3dComp;
}
D3DCOLOR ConvertColor(gl::Color color)
{
return D3DCOLOR_RGBA(gl::unorm<8>(color.red),
gl::unorm<8>(color.green),
gl::unorm<8>(color.blue),
gl::unorm<8>(color.alpha));
}
D3DBLEND ConvertBlendFunc(GLenum blend)
{
D3DBLEND d3dBlend = D3DBLEND_ZERO;
switch (blend)
{
case GL_ZERO: d3dBlend = D3DBLEND_ZERO; break;
case GL_ONE: d3dBlend = D3DBLEND_ONE; break;
case GL_SRC_COLOR: d3dBlend = D3DBLEND_SRCCOLOR; break;
case GL_ONE_MINUS_SRC_COLOR: d3dBlend = D3DBLEND_INVSRCCOLOR; break;
case GL_DST_COLOR: d3dBlend = D3DBLEND_DESTCOLOR; break;
case GL_ONE_MINUS_DST_COLOR: d3dBlend = D3DBLEND_INVDESTCOLOR; break;
case GL_SRC_ALPHA: d3dBlend = D3DBLEND_SRCALPHA; break;
case GL_ONE_MINUS_SRC_ALPHA: d3dBlend = D3DBLEND_INVSRCALPHA; break;
case GL_DST_ALPHA: d3dBlend = D3DBLEND_DESTALPHA; break;
case GL_ONE_MINUS_DST_ALPHA: d3dBlend = D3DBLEND_INVDESTALPHA; break;
case GL_CONSTANT_COLOR: d3dBlend = D3DBLEND_BLENDFACTOR; break;
case GL_ONE_MINUS_CONSTANT_COLOR: d3dBlend = D3DBLEND_INVBLENDFACTOR; break;
case GL_CONSTANT_ALPHA: d3dBlend = D3DBLEND_BLENDFACTOR; break;
case GL_ONE_MINUS_CONSTANT_ALPHA: d3dBlend = D3DBLEND_INVBLENDFACTOR; break;
case GL_SRC_ALPHA_SATURATE: d3dBlend = D3DBLEND_SRCALPHASAT; break;
default: UNREACHABLE();
}
return d3dBlend;
}
D3DBLENDOP ConvertBlendOp(GLenum blendOp)
{
D3DBLENDOP d3dBlendOp = D3DBLENDOP_ADD;
switch (blendOp)
{
case GL_FUNC_ADD: d3dBlendOp = D3DBLENDOP_ADD; break;
case GL_FUNC_SUBTRACT: d3dBlendOp = D3DBLENDOP_SUBTRACT; break;
case GL_FUNC_REVERSE_SUBTRACT: d3dBlendOp = D3DBLENDOP_REVSUBTRACT; break;
default: UNREACHABLE();
}
return d3dBlendOp;
}
D3DSTENCILOP ConvertStencilOp(GLenum stencilOp)
{
D3DSTENCILOP d3dStencilOp = D3DSTENCILOP_KEEP;
switch (stencilOp)
{
case GL_ZERO: d3dStencilOp = D3DSTENCILOP_ZERO; break;
case GL_KEEP: d3dStencilOp = D3DSTENCILOP_KEEP; break;
case GL_REPLACE: d3dStencilOp = D3DSTENCILOP_REPLACE; break;
case GL_INCR: d3dStencilOp = D3DSTENCILOP_INCRSAT; break;
case GL_DECR: d3dStencilOp = D3DSTENCILOP_DECRSAT; break;
case GL_INVERT: d3dStencilOp = D3DSTENCILOP_INVERT; break;
case GL_INCR_WRAP: d3dStencilOp = D3DSTENCILOP_INCR; break;
case GL_DECR_WRAP: d3dStencilOp = D3DSTENCILOP_DECR; break;
default: UNREACHABLE();
}
return d3dStencilOp;
}
D3DTEXTUREADDRESS ConvertTextureWrap(GLenum wrap)
{
D3DTEXTUREADDRESS d3dWrap = D3DTADDRESS_WRAP;
switch (wrap)
{
case GL_REPEAT: d3dWrap = D3DTADDRESS_WRAP; break;
case GL_CLAMP_TO_EDGE: d3dWrap = D3DTADDRESS_CLAMP; break;
case GL_MIRRORED_REPEAT: d3dWrap = D3DTADDRESS_MIRROR; break;
default: UNREACHABLE();
}
return d3dWrap;
}
D3DCULL ConvertCullMode(GLenum cullFace, GLenum frontFace)
{
D3DCULL cull = D3DCULL_CCW;
switch (cullFace)
{
case GL_FRONT:
cull = (frontFace == GL_CCW ? D3DCULL_CW : D3DCULL_CCW);
break;
case GL_BACK:
cull = (frontFace == GL_CCW ? D3DCULL_CCW : D3DCULL_CW);
break;
case GL_FRONT_AND_BACK:
cull = D3DCULL_NONE; // culling will be handled during draw
break;
default: UNREACHABLE();
}
return cull;
}
D3DCUBEMAP_FACES ConvertCubeFace(GLenum cubeFace)
{
D3DCUBEMAP_FACES face = D3DCUBEMAP_FACE_POSITIVE_X;
switch (cubeFace)
{
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
face = D3DCUBEMAP_FACE_POSITIVE_X;
break;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
face = D3DCUBEMAP_FACE_NEGATIVE_X;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
face = D3DCUBEMAP_FACE_POSITIVE_Y;
break;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
face = D3DCUBEMAP_FACE_NEGATIVE_Y;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
face = D3DCUBEMAP_FACE_POSITIVE_Z;
break;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
face = D3DCUBEMAP_FACE_NEGATIVE_Z;
break;
default: UNREACHABLE();
}
return face;
}
DWORD ConvertColorMask(bool red, bool green, bool blue, bool alpha)
{
return (red ? D3DCOLORWRITEENABLE_RED : 0) |
(green ? D3DCOLORWRITEENABLE_GREEN : 0) |
(blue ? D3DCOLORWRITEENABLE_BLUE : 0) |
(alpha ? D3DCOLORWRITEENABLE_ALPHA : 0);
}
D3DTEXTUREFILTERTYPE ConvertMagFilter(GLenum magFilter, float maxAnisotropy)
{
if (maxAnisotropy > 1.0f)
{
return D3DTEXF_ANISOTROPIC;
}
D3DTEXTUREFILTERTYPE d3dMagFilter = D3DTEXF_POINT;
switch (magFilter)
{
case GL_NEAREST: d3dMagFilter = D3DTEXF_POINT; break;
case GL_LINEAR: d3dMagFilter = D3DTEXF_LINEAR; break;
default: UNREACHABLE();
}
return d3dMagFilter;
}
void ConvertMinFilter(GLenum minFilter, D3DTEXTUREFILTERTYPE *d3dMinFilter, D3DTEXTUREFILTERTYPE *d3dMipFilter, float maxAnisotropy)
{
switch (minFilter)
{
case GL_NEAREST:
*d3dMinFilter = D3DTEXF_POINT;
*d3dMipFilter = D3DTEXF_NONE;
break;
case GL_LINEAR:
*d3dMinFilter = D3DTEXF_LINEAR;
*d3dMipFilter = D3DTEXF_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
*d3dMinFilter = D3DTEXF_POINT;
*d3dMipFilter = D3DTEXF_POINT;
break;
case GL_LINEAR_MIPMAP_NEAREST:
*d3dMinFilter = D3DTEXF_LINEAR;
*d3dMipFilter = D3DTEXF_POINT;
break;
case GL_NEAREST_MIPMAP_LINEAR:
*d3dMinFilter = D3DTEXF_POINT;
*d3dMipFilter = D3DTEXF_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
*d3dMinFilter = D3DTEXF_LINEAR;
*d3dMipFilter = D3DTEXF_LINEAR;
break;
default:
*d3dMinFilter = D3DTEXF_POINT;
*d3dMipFilter = D3DTEXF_NONE;
UNREACHABLE();
}
if (maxAnisotropy > 1.0f)
{
*d3dMinFilter = D3DTEXF_ANISOTROPIC;
}
}
D3DFORMAT ConvertRenderbufferFormat(GLenum format)
{
switch (format)
{
case GL_NONE: return D3DFMT_NULL;
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8_OES: return D3DFMT_A8R8G8B8;
case GL_RGB565: return D3DFMT_R5G6B5;
case GL_RGB8_OES: return D3DFMT_X8R8G8B8;
case GL_DEPTH_COMPONENT16:
case GL_STENCIL_INDEX8:
case GL_DEPTH24_STENCIL8_OES: return D3DFMT_D24S8;
default: UNREACHABLE(); return D3DFMT_A8R8G8B8;
}
}
D3DMULTISAMPLE_TYPE GetMultisampleTypeFromSamples(GLsizei samples)
{
if (samples <= 1)
return D3DMULTISAMPLE_NONE;
else
return (D3DMULTISAMPLE_TYPE)samples;
}
}
namespace d3d9_gl
{
unsigned int GetStencilSize(D3DFORMAT stencilFormat)
{
if (stencilFormat == D3DFMT_INTZ)
{
return 8;
}
switch(stencilFormat)
{
case D3DFMT_D24FS8:
case D3DFMT_D24S8:
return 8;
case D3DFMT_D24X4S4:
return 4;
case D3DFMT_D15S1:
return 1;
case D3DFMT_D16_LOCKABLE:
case D3DFMT_D32:
case D3DFMT_D24X8:
case D3DFMT_D32F_LOCKABLE:
case D3DFMT_D16:
return 0;
//case D3DFMT_D32_LOCKABLE: return 0; // DirectX 9Ex only
//case D3DFMT_S8_LOCKABLE: return 8; // DirectX 9Ex only
default:
return 0;
}
}
unsigned int GetAlphaSize(D3DFORMAT colorFormat)
{
switch (colorFormat)
{
case D3DFMT_A16B16G16R16F:
return 16;
case D3DFMT_A32B32G32R32F:
return 32;
case D3DFMT_A2R10G10B10:
return 2;
case D3DFMT_A8R8G8B8:
return 8;
case D3DFMT_A1R5G5B5:
return 1;
case D3DFMT_X8R8G8B8:
case D3DFMT_R5G6B5:
return 0;
default:
return 0;
}
}
GLsizei GetSamplesFromMultisampleType(D3DMULTISAMPLE_TYPE type)
{
if (type == D3DMULTISAMPLE_NONMASKABLE)
return 0;
else
return type;
}
bool IsFormatChannelEquivalent(D3DFORMAT d3dformat, GLenum format)
{
switch (d3dformat)
{
case D3DFMT_L8:
return (format == GL_LUMINANCE);
case D3DFMT_A8L8:
return (format == GL_LUMINANCE_ALPHA);
case D3DFMT_DXT1:
return (format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT || format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT);
case D3DFMT_DXT3:
return (format == GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE);
case D3DFMT_DXT5:
return (format == GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE);
case D3DFMT_A8R8G8B8:
case D3DFMT_A16B16G16R16F:
case D3DFMT_A32B32G32R32F:
return (format == GL_RGBA || format == GL_BGRA_EXT);
case D3DFMT_X8R8G8B8:
return (format == GL_RGB);
default:
if (d3dformat == D3DFMT_INTZ && gl::IsDepthTexture(format))
return true;
return false;
}
}
GLenum ConvertBackBufferFormat(D3DFORMAT format)
{
switch (format)
{
case D3DFMT_A4R4G4B4: return GL_RGBA4;
case D3DFMT_A8R8G8B8: return GL_RGBA8_OES;
case D3DFMT_A1R5G5B5: return GL_RGB5_A1;
case D3DFMT_R5G6B5: return GL_RGB565;
case D3DFMT_X8R8G8B8: return GL_RGB8_OES;
default:
UNREACHABLE();
}
return GL_RGBA4;
}
GLenum ConvertDepthStencilFormat(D3DFORMAT format)
{
if (format == D3DFMT_INTZ)
{
return GL_DEPTH24_STENCIL8_OES;
}
switch (format)
{
case D3DFMT_D16:
case D3DFMT_D24X8:
return GL_DEPTH_COMPONENT16;
case D3DFMT_D24S8:
return GL_DEPTH24_STENCIL8_OES;
case D3DFMT_UNKNOWN:
return GL_NONE;
default:
UNREACHABLE();
}
return GL_DEPTH24_STENCIL8_OES;
}
GLenum ConvertRenderTargetFormat(D3DFORMAT format)
{
if (format == D3DFMT_INTZ)
{
return GL_DEPTH24_STENCIL8_OES;
}
switch (format)
{
case D3DFMT_A4R4G4B4: return GL_RGBA4;
case D3DFMT_A8R8G8B8: return GL_RGBA8_OES;
case D3DFMT_A1R5G5B5: return GL_RGB5_A1;
case D3DFMT_R5G6B5: return GL_RGB565;
case D3DFMT_X8R8G8B8: return GL_RGB8_OES;
case D3DFMT_D16:
case D3DFMT_D24X8:
return GL_DEPTH_COMPONENT16;
case D3DFMT_D24S8:
return GL_DEPTH24_STENCIL8_OES;
case D3DFMT_UNKNOWN:
return GL_NONE;
default:
UNREACHABLE();
}
return GL_RGBA4;
}
GLenum GetEquivalentFormat(D3DFORMAT format)
{
if (format == D3DFMT_INTZ)
return GL_DEPTH24_STENCIL8_OES;
if (format == D3DFMT_NULL)
return GL_NONE;
switch (format)
{
case D3DFMT_A4R4G4B4: return GL_RGBA4;
case D3DFMT_A8R8G8B8: return GL_RGBA8_OES;
case D3DFMT_A1R5G5B5: return GL_RGB5_A1;
case D3DFMT_R5G6B5: return GL_RGB565;
case D3DFMT_X8R8G8B8: return GL_RGB8_OES;
case D3DFMT_D16: return GL_DEPTH_COMPONENT16;
case D3DFMT_D24S8: return GL_DEPTH24_STENCIL8_OES;
case D3DFMT_UNKNOWN: return GL_NONE;
case D3DFMT_DXT1: return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
case D3DFMT_DXT3: return GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE;
case D3DFMT_DXT5: return GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE;
case D3DFMT_A32B32G32R32F: return GL_RGBA32F_EXT;
case D3DFMT_A16B16G16R16F: return GL_RGBA16F_EXT;
case D3DFMT_L8: return GL_LUMINANCE8_EXT;
case D3DFMT_A8L8: return GL_LUMINANCE8_ALPHA8_EXT;
default: UNREACHABLE();
return GL_NONE;
}
}
}
namespace d3d9
{
bool IsCompressedFormat(D3DFORMAT surfaceFormat)
{
switch(surfaceFormat)
{
case D3DFMT_DXT1:
case D3DFMT_DXT2:
case D3DFMT_DXT3:
case D3DFMT_DXT4:
case D3DFMT_DXT5:
return true;
default:
return false;
}
}
size_t ComputeRowSize(D3DFORMAT format, unsigned int width)
{
if (format == D3DFMT_INTZ)
{
return 4 * width;
}
switch (format)
{
case D3DFMT_L8:
return 1 * width;
case D3DFMT_A8L8:
return 2 * width;
case D3DFMT_X8R8G8B8:
case D3DFMT_A8R8G8B8:
return 4 * width;
case D3DFMT_A16B16G16R16F:
return 8 * width;
case D3DFMT_A32B32G32R32F:
return 16 * width;
case D3DFMT_DXT1:
return 8 * ((width + 3) / 4);
case D3DFMT_DXT3:
case D3DFMT_DXT5:
return 16 * ((width + 3) / 4);
default:
UNREACHABLE();
return 0;
}
}
}
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