mirror of
https://github.com/UberGames/lilium-voyager.git
synced 2024-12-13 05:31:29 +00:00
OpenGL2: Some tr_image refactoring/cleanup.
This commit is contained in:
SmileTheory
parent
8417c184b4
commit
1cfa16674c
1 changed files with 165 additions and 179 deletions
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@ -1461,7 +1461,7 @@ static qboolean RawImage_ScaleToPower2( byte **data, int *inout_width, int *inou
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qboolean picmip = flags & IMGFLAG_PICMIP;
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qboolean mipmap = flags & IMGFLAG_MIPMAP;
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qboolean clampToEdge = flags & IMGFLAG_CLAMPTOEDGE;
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qboolean notScaled;
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qboolean scaled;
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//
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// convert to exact power of 2 sizes
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@ -1572,7 +1572,7 @@ static qboolean RawImage_ScaleToPower2( byte **data, int *inout_width, int *inou
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scaled_width = MAX(1, scaled_width);
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scaled_height = MAX(1, scaled_height);
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notScaled = (width == scaled_width) && (height == scaled_height);
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scaled = (width != scaled_width) || (height != scaled_height);
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//
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// rescale texture to new size using existing mipmap functions
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@ -1594,7 +1594,7 @@ static qboolean RawImage_ScaleToPower2( byte **data, int *inout_width, int *inou
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*inout_width = width;
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*inout_height = height;
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return notScaled;
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return scaled;
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}
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@ -1628,7 +1628,7 @@ static GLenum RawImage_GetFormat(const byte *data, int numPixels, GLenum picForm
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if(normalmap)
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{
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if ((type == IMGTYPE_NORMALHEIGHT) && RawImage_HasAlpha(data, numPixels))
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if ((type == IMGTYPE_NORMALHEIGHT) && RawImage_HasAlpha(data, numPixels) && r_parallaxMapping->integer)
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{
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if (!forceNoCompression && glRefConfig.textureCompression & TCR_BPTC)
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{
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@ -1818,9 +1818,9 @@ static void CompressMonoBlock(byte outdata[8], const byte indata[16])
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}
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}
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static void RawImage_UploadToRgtc2Texture(GLuint texture, byte *data, int width, int height, int mip)
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static void RawImage_UploadToRgtc2Texture(GLuint texture, int miplevel, int x, int y, int width, int height, byte *data)
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{
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int wBlocks, hBlocks, y, x, size;
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int wBlocks, hBlocks, iy, ix, size;
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byte *compressedData, *p;
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wBlocks = (width + 3) / 4;
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@ -1828,16 +1828,16 @@ static void RawImage_UploadToRgtc2Texture(GLuint texture, byte *data, int width,
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size = wBlocks * hBlocks * 16;
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p = compressedData = ri.Hunk_AllocateTempMemory(size);
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for (y = 0; y < height; y += 4)
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for (iy = 0; iy < height; iy += 4)
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{
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int oh = MIN(4, height - y);
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int oh = MIN(4, height - iy);
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for (x = 0; x < width; x += 4)
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for (ix = 0; ix < width; ix += 4)
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{
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byte workingData[16];
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int component;
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int ow = MIN(4, width - x);
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int ow = MIN(4, width - ix);
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for (component = 0; component < 2; component++)
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{
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@ -1845,7 +1845,7 @@ static void RawImage_UploadToRgtc2Texture(GLuint texture, byte *data, int width,
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for (oy = 0; oy < oh; oy++)
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for (ox = 0; ox < ow; ox++)
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workingData[oy * 4 + ox] = data[((y + oy) * width + x + ox) * 4 + component];
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workingData[oy * 4 + ox] = data[((iy + oy) * width + ix + ox) * 4 + component];
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// dupe data to fill
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for (oy = 0; oy < 4; oy++)
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@ -1858,7 +1858,8 @@ static void RawImage_UploadToRgtc2Texture(GLuint texture, byte *data, int width,
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}
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}
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qglCompressedTextureImage2DEXT(texture, GL_TEXTURE_2D, mip, GL_COMPRESSED_RG_RGTC2, width, height, 0, size, compressedData);
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// FIXME: Won't work for x/y that aren't multiples of 4.
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qglCompressedTextureSubImage2DEXT(texture, GL_TEXTURE_2D, miplevel, x, y, width, height, GL_COMPRESSED_RG_RGTC2, size, compressedData);
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ri.Hunk_FreeTempMemory(compressedData);
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}
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@ -1903,64 +1904,34 @@ static int CalculateMipSize(int width, int height, GLenum picFormat)
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}
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static void RawImage_UploadTexture(GLuint texture, byte *data, int x, int y, int width, int height, GLenum target, GLenum picFormat, int numMips, GLenum internalFormat, imgType_t type, imgFlags_t flags, qboolean subtexture )
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static GLenum PixelDataFormatFromInternalFormat(GLenum internalFormat)
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{
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int dataFormat, dataType;
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qboolean rgtc = (internalFormat == GL_COMPRESSED_RG_RGTC2);
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qboolean compressed = (!(picFormat == GL_RGBA8) || (picFormat == GL_SRGB8_ALPHA8_EXT));
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qboolean mipmap = !!(flags & IMGFLAG_MIPMAP);
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qboolean picmip = !!(flags & IMGFLAG_PICMIP);
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int size, miplevel;
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qboolean lastMip = qfalse;
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switch (internalFormat)
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{
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case GL_DEPTH_COMPONENT:
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case GL_DEPTH_COMPONENT16_ARB:
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case GL_DEPTH_COMPONENT24_ARB:
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case GL_DEPTH_COMPONENT32_ARB:
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dataFormat = GL_DEPTH_COMPONENT;
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dataType = GL_UNSIGNED_BYTE;
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break;
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case GL_RGBA16F_ARB:
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dataFormat = GL_RGBA;
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dataType = GL_HALF_FLOAT_ARB;
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break;
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return GL_DEPTH_COMPONENT;
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default:
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dataFormat = GL_RGBA;
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dataType = GL_UNSIGNED_BYTE;
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return GL_RGBA;
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break;
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}
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}
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if (!data)
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{
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miplevel = 0;
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do
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{
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lastMip = (width == 1 && height == 1) || !mipmap;
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qglTextureImage2DEXT(texture, target, miplevel, internalFormat, width, height, 0, dataFormat, dataType, NULL);
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static void RawImage_UploadTexture(GLuint texture, byte *data, int x, int y, int width, int height, GLenum target, GLenum picFormat, int numMips, GLenum internalFormat, imgType_t type, imgFlags_t flags, qboolean subtexture )
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{
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GLenum dataFormat, dataType;
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qboolean rgtc = (internalFormat == GL_COMPRESSED_RG_RGTC2);
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qboolean compressed = (!(picFormat == GL_RGBA8) || (picFormat == GL_SRGB8_ALPHA8_EXT));
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qboolean mipmap = !!(flags & IMGFLAG_MIPMAP);
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int size, miplevel;
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qboolean lastMip = qfalse;
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width = MAX(1, width >> 1);
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height = MAX(1, height >> 1);
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miplevel++;
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}
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while (!lastMip);
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dataFormat = PixelDataFormatFromInternalFormat(internalFormat);
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return;
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}
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if (compressed && picmip)
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{
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for (miplevel = r_picmip->integer; miplevel > 0 && numMips > 1; miplevel--, numMips--)
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{
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size = CalculateMipSize(width, height, picFormat);
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x >>= 1;
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y >>= 1;
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width = MAX(1, width >> 1);
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height = MAX(1, height >> 1);
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data += size;
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}
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}
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// FIXME: This is an old hack to use half floats with lightmaps, use picFormat to determine this instead.
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dataType = (internalFormat == GL_RGBA16F_ARB) ? GL_HALF_FLOAT_ARB : GL_UNSIGNED_BYTE;
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miplevel = 0;
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do
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@ -1970,10 +1941,7 @@ static void RawImage_UploadTexture(GLuint texture, byte *data, int x, int y, int
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if (compressed)
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{
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if (subtexture)
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qglCompressedTextureSubImage2DEXT(texture, target, miplevel, x, y, width, height, picFormat, size, data);
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else
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qglCompressedTextureImage2DEXT(texture, target, miplevel, picFormat, width, height, 0, size, data);
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}
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else
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{
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@ -1981,11 +1949,9 @@ static void RawImage_UploadTexture(GLuint texture, byte *data, int x, int y, int
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R_BlendOverTexture((byte *)data, width * height, mipBlendColors[miplevel]);
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if (rgtc)
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RawImage_UploadToRgtc2Texture(texture, data, width, height, miplevel);
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else if (subtexture)
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qglTextureSubImage2DEXT(texture, target, miplevel, x, y, width, height, dataFormat, dataType, data);
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RawImage_UploadToRgtc2Texture(texture, miplevel, x, y, width, height, data);
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else
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qglTextureImage2DEXT(texture, target, miplevel, internalFormat, width, height, 0, dataFormat, dataType, data);
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qglTextureSubImage2DEXT(texture, target, miplevel, x, y, width, height, dataFormat, dataType, data);
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if (!lastMip && numMips < 2)
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{
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@ -2018,54 +1984,26 @@ Upload32
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===============
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*/
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static void Upload32(byte *data, int x, int y, int width, int height, GLenum picFormat, int numMips, image_t *image)
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static void Upload32(byte *data, int x, int y, int width, int height, GLenum picFormat, int numMips, image_t *image, qboolean scaled)
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{
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byte *resampledBuffer = NULL;
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int i, c;
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byte *scan;
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imgType_t type = image->type;
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imgFlags_t flags = image->flags;
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GLenum internalFormat = image->internalFormat;
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qboolean subtexture = (x != 0) || (y != 0) || (width != image->width) || (height != image->height);
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qboolean notScaled = qtrue;
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qboolean compressed = (picFormat != GL_RGBA8 && picFormat != GL_SRGB8_ALPHA8_EXT);
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qboolean mipmap = !!(flags & IMGFLAG_MIPMAP) && (!compressed || numMips > 1);
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qboolean cubemap = !!(flags & IMGFLAG_CUBEMAP);
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GLenum uploadTarget = cubemap ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : GL_TEXTURE_2D;
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GLenum textureTarget = cubemap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D;
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int depth = cubemap ? 6 : 1;
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if (!data)
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// These operations cannot be performed on pre-compressed images.
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if (!compressed && !cubemap)
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{
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RawImage_ScaleToPower2(NULL, &width, &height, type, flags, NULL);
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for (i = 0; i < depth; i++)
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RawImage_UploadTexture(image->texnum, NULL, 0, 0, width, height, uploadTarget + i, GL_RGBA8, 0, internalFormat, type, flags, qfalse);
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goto done;
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}
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else if (!subtexture)
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{
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if (compressed || cubemap)
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{
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for (i = 0; i < depth; i++)
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{
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int w2 = width, h2 = height;
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RawImage_UploadTexture(image->texnum, data, 0, 0, width, height, uploadTarget + i, picFormat, numMips, internalFormat, type, flags, qfalse);
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for (c = numMips; c; c--)
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{
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data += CalculateMipSize(w2, h2, picFormat);
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w2 = MAX(1, w2 >> 1);
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h2 = MAX(1, h2 >> 1);
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}
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}
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goto done;
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}
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notScaled = RawImage_ScaleToPower2(&data, &width, &height, type, flags, &resampledBuffer);
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}
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c = width*height;
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scan = data;
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if (type == IMGTYPE_COLORALPHA)
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{
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if( r_greyscale->integer )
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{
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for ( i = 0; i < c; i++ )
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@ -2087,66 +2025,35 @@ static void Upload32(byte *data, int x, int y, int width, int height, GLenum pic
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}
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}
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if (glRefConfig.swizzleNormalmap && (type == IMGTYPE_NORMAL || type == IMGTYPE_NORMALHEIGHT))
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RawImage_SwizzleRA(data, width, height);
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// This corresponds to what the OpenGL1 renderer does
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if (!(flags & IMGFLAG_NOLIGHTSCALE) && (!notScaled || mipmap))
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// This corresponds to what the OpenGL1 renderer does.
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if (!(flags & IMGFLAG_NOLIGHTSCALE) && (scaled || mipmap))
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R_LightScaleTexture(data, width, height, !mipmap);
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if (subtexture)
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{
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// FIXME: Incorrect if original texture was not a power of 2 texture or picmipped
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RawImage_UploadTexture(image->texnum, data, x, y, width, height, uploadTarget, GL_RGBA8, 0, internalFormat, type, flags, qtrue);
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GL_CheckErrors();
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return;
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}
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RawImage_UploadTexture(image->texnum, data, 0, 0, width, height, uploadTarget, GL_RGBA8, 0, internalFormat, type, flags, qfalse);
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if (glRefConfig.swizzleNormalmap && (type == IMGTYPE_NORMAL || type == IMGTYPE_NORMALHEIGHT))
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RawImage_SwizzleRA(data, width, height);
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}
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done:
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image->uploadWidth = width;
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image->uploadHeight = height;
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if (mipmap)
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if (cubemap)
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{
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if (textureFilterAnisotropic && !cubemap)
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qglTextureParameteriEXT(image->texnum, textureTarget, GL_TEXTURE_MAX_ANISOTROPY_EXT,
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(GLint)Com_Clamp(1, maxAnisotropy, r_ext_max_anisotropy->integer));
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MIN_FILTER, gl_filter_min);
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MAG_FILTER, gl_filter_max);
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for (i = 0; i < 6; i++)
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{
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int w2 = width, h2 = height;
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RawImage_UploadTexture(image->texnum, data, x, y, width, height, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, picFormat, numMips, internalFormat, type, flags, qfalse);
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for (c = numMips; c; c--)
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{
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data += CalculateMipSize(w2, h2, picFormat);
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w2 = MAX(1, w2 >> 1);
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h2 = MAX(1, h2 >> 1);
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}
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}
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}
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else
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{
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if (textureFilterAnisotropic && !cubemap)
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qglTextureParameteriEXT(image->texnum, textureTarget, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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}
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// Fix for sampling depth buffer on old nVidia cards
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// from http://www.idevgames.com/forums/thread-4141-post-34844.html#pid34844
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switch(internalFormat)
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{
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case GL_DEPTH_COMPONENT:
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case GL_DEPTH_COMPONENT16_ARB:
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case GL_DEPTH_COMPONENT24_ARB:
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case GL_DEPTH_COMPONENT32_ARB:
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_DEPTH_TEXTURE_MODE, GL_LUMINANCE);
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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break;
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default:
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break;
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RawImage_UploadTexture(image->texnum, data, x, y, width, height, GL_TEXTURE_2D, picFormat, numMips, internalFormat, type, flags, qfalse);
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}
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GL_CheckErrors();
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if ( resampledBuffer != NULL )
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ri.Hunk_FreeTempMemory( resampledBuffer );
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}
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@ -2158,10 +2065,18 @@ This is the only way any image_t are created
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================
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*/
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image_t *R_CreateImage2( const char *name, byte *pic, int width, int height, GLenum picFormat, int numMips, imgType_t type, imgFlags_t flags, int internalFormat ) {
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byte *resampledBuffer = NULL;
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image_t *image;
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qboolean isLightmap = qfalse;
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qboolean isLightmap = qfalse, scaled = qfalse;
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long hash;
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int glWrapClampMode;
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int glWrapClampMode, mipWidth, mipHeight, miplevel;
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qboolean compressed = (!(picFormat == GL_RGBA8) || (picFormat == GL_SRGB8_ALPHA8_EXT));
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qboolean mipmap = !!(flags & IMGFLAG_MIPMAP);
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qboolean cubemap = !!(flags & IMGFLAG_CUBEMAP);
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qboolean picmip = !!(flags & IMGFLAG_PICMIP);
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qboolean lastMip;
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GLenum textureTarget = cubemap ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D;
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GLenum dataFormat;
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if (strlen(name) >= MAX_QPATH ) {
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ri.Error (ERR_DROP, "R_CreateImage: \"%s\" is too long", name);
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@ -2195,20 +2110,91 @@ image_t *R_CreateImage2( const char *name, byte *pic, int width, int height, GLe
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image->internalFormat = internalFormat;
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Upload32(pic, 0, 0, image->width, image->height, picFormat, numMips, image);
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if (image->flags & IMGFLAG_CUBEMAP)
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// Possibly scale image before uploading.
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// if compressed and uploading an image, skip picmips.
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if (!cubemap)
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{
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qglTextureParameterfEXT(image->texnum, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, glWrapClampMode);
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qglTextureParameterfEXT(image->texnum, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, glWrapClampMode);
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qglTextureParameteriEXT(image->texnum, GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, glWrapClampMode);
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if (!compressed)
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scaled = RawImage_ScaleToPower2(&pic, &width, &height, type, flags, &resampledBuffer);
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else if (pic && picmip)
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{
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for (miplevel = r_picmip->integer; miplevel > 0 && numMips > 1; miplevel--, numMips--)
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{
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int size = CalculateMipSize(width, height, picFormat);
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width = MAX(1, width >> 1);
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height = MAX(1, height >> 1);
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pic += size;
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}
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}
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}
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image->uploadWidth = width;
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image->uploadHeight = height;
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|
||||
// Allocate texture storage so we don't have to worry about it later.
|
||||
dataFormat = PixelDataFormatFromInternalFormat(internalFormat);
|
||||
mipWidth = width;
|
||||
mipHeight = height;
|
||||
miplevel = 0;
|
||||
do
|
||||
{
|
||||
lastMip = !mipmap || (mipWidth == 1 && mipHeight == 1);
|
||||
if (cubemap)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 6; i++)
|
||||
qglTextureImage2DEXT(image->texnum, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, miplevel, internalFormat, mipWidth, mipHeight, 0, dataFormat, GL_UNSIGNED_BYTE, NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
qglTextureParameterfEXT(image->texnum, GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glWrapClampMode);
|
||||
qglTextureParameterfEXT(image->texnum, GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glWrapClampMode);
|
||||
qglTextureImage2DEXT(image->texnum, GL_TEXTURE_2D, miplevel, internalFormat, mipWidth, mipHeight, 0, dataFormat, GL_UNSIGNED_BYTE, NULL);
|
||||
}
|
||||
|
||||
mipWidth = MAX(1, mipWidth >> 1);
|
||||
mipHeight = MAX(1, mipHeight >> 1);
|
||||
miplevel++;
|
||||
}
|
||||
while (!lastMip);
|
||||
|
||||
// Upload data.
|
||||
if (pic)
|
||||
Upload32(pic, 0, 0, width, height, picFormat, numMips, image, scaled);
|
||||
|
||||
if (resampledBuffer != NULL)
|
||||
ri.Hunk_FreeTempMemory(resampledBuffer);
|
||||
|
||||
// Set all necessary texture parameters.
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_WRAP_S, glWrapClampMode);
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_WRAP_T, glWrapClampMode);
|
||||
|
||||
if (cubemap)
|
||||
qglTextureParameteriEXT(image->texnum, textureTarget, GL_TEXTURE_WRAP_R, glWrapClampMode);
|
||||
|
||||
if (textureFilterAnisotropic && !cubemap)
|
||||
qglTextureParameteriEXT(image->texnum, textureTarget, GL_TEXTURE_MAX_ANISOTROPY_EXT,
|
||||
mipmap ? (GLint)Com_Clamp(1, maxAnisotropy, r_ext_max_anisotropy->integer) : 1);
|
||||
|
||||
switch(internalFormat)
|
||||
{
|
||||
case GL_DEPTH_COMPONENT:
|
||||
case GL_DEPTH_COMPONENT16_ARB:
|
||||
case GL_DEPTH_COMPONENT24_ARB:
|
||||
case GL_DEPTH_COMPONENT32_ARB:
|
||||
// Fix for sampling depth buffer on old nVidia cards.
|
||||
// from http://www.idevgames.com/forums/thread-4141-post-34844.html#pid34844
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_DEPTH_TEXTURE_MODE, GL_LUMINANCE);
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
break;
|
||||
default:
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MIN_FILTER, mipmap ? gl_filter_min : GL_LINEAR);
|
||||
qglTextureParameterfEXT(image->texnum, textureTarget, GL_TEXTURE_MAG_FILTER, mipmap ? gl_filter_max : GL_LINEAR);
|
||||
break;
|
||||
}
|
||||
|
||||
GL_CheckErrors();
|
||||
|
||||
hash = generateHashValue(name);
|
||||
image->next = hashTable[hash];
|
||||
hashTable[hash] = image;
|
||||
|
|
@ -2232,7 +2218,7 @@ image_t *R_CreateImage(const char *name, byte *pic, int width, int height, imgTy
|
|||
|
||||
void R_UpdateSubImage( image_t *image, byte *pic, int x, int y, int width, int height )
|
||||
{
|
||||
Upload32(pic, x, y, width, height, GL_RGBA8, 0, image);
|
||||
Upload32(pic, x, y, width, height, GL_RGBA8, 0, image, qfalse);
|
||||
}
|
||||
|
||||
//===================================================================
|
||||
|
|
|
|||
Loading…
Reference in a new issue