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https://github.com/UberGames/lilium-voyager.git
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OpenGL2: Some tr_image.c cleanup.
This commit is contained in:
SmileTheory
parent
cbfc3471bc
commit
336419235a
1 changed files with 77 additions and 224 deletions
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@ -1451,7 +1451,7 @@ RawImage_ScaleToPower2
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===============
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*/
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static void RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_height, int *inout_scaled_width, int *inout_scaled_height, imgType_t type, imgFlags_t flags, byte **resampledBuffer)
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static qboolean RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_height, imgType_t type, imgFlags_t flags, byte **resampledBuffer)
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{
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int width = *inout_width;
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int height = *inout_height;
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@ -1460,6 +1460,7 @@ static void RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_he
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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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//
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// convert to exact power of 2 sizes
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@ -1506,22 +1507,9 @@ static void RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_he
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*resampledBuffer = ri.Hunk_AllocateTempMemory( finalwidth * finalheight * 4 );
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if (scaled_width != width || scaled_height != height)
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{
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ResampleTexture (*data, width, height, *resampledBuffer, scaled_width, scaled_height);
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}
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else
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{
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byte *inbyte, *outbyte;
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int i;
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inbyte = *data;
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outbyte = *resampledBuffer;
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for (i = width * height * 4; i > 0; i--)
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{
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*outbyte++ = *inbyte++;
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}
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}
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Com_Memcpy(*resampledBuffer, *data, width * height * 4);
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if (type == IMGTYPE_COLORALPHA)
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RGBAtoYCoCgA(*resampledBuffer, *resampledBuffer, scaled_width, scaled_height);
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@ -1535,33 +1523,28 @@ static void RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_he
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}
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if (type == IMGTYPE_COLORALPHA)
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{
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YCoCgAtoRGBA(*resampledBuffer, *resampledBuffer, scaled_width, scaled_height);
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}
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else if (type == IMGTYPE_NORMAL || type == IMGTYPE_NORMALHEIGHT)
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{
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FillInNormalizedZ(*resampledBuffer, *resampledBuffer, scaled_width, scaled_height);
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}
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//endTime = ri.Milliseconds();
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//ri.Printf(PRINT_ALL, "upsampled %dx%d to %dx%d in %dms\n", width, height, scaled_width, scaled_height, endTime - startTime);
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*data = *resampledBuffer;
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width = scaled_width;
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height = scaled_height;
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}
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else if ( scaled_width != width || scaled_height != height ) {
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else if ( scaled_width != width || scaled_height != height )
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{
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if (data && resampledBuffer)
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{
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*resampledBuffer = ri.Hunk_AllocateTempMemory( scaled_width * scaled_height * 4 );
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ResampleTexture (*data, width, height, *resampledBuffer, scaled_width, scaled_height);
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*data = *resampledBuffer;
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}
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}
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width = scaled_width;
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height = scaled_height;
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}
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//
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// perform optional picmip operation
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@ -1571,16 +1554,6 @@ static void RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_he
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scaled_height >>= r_picmip->integer;
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}
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//
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// clamp to minimum size
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//
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if (scaled_width < 1) {
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scaled_width = 1;
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}
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if (scaled_height < 1) {
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scaled_height = 1;
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}
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//
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// clamp to the current upper OpenGL limit
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// scale both axis down equally so we don't have to
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@ -1592,10 +1565,35 @@ static void RawImage_ScaleToPower2( byte **data, int *inout_width, int *inout_he
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scaled_height >>= 1;
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}
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//
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// clamp to minimum size
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//
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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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//
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// rescale texture to new size using existing mipmap functions
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//
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if (data)
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{
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while (width > scaled_width || height > scaled_height)
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{
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if (type == IMGTYPE_NORMAL || type == IMGTYPE_NORMALHEIGHT)
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R_MipMapNormalHeight(*data, *data, width, height, qfalse);
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else
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R_MipMapsRGB(*data, width, height);
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width = MAX(1, width >> 1);
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height = MAX(1, height >> 1);
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}
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}
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*inout_width = width;
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*inout_height = height;
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*inout_scaled_width = scaled_width;
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*inout_scaled_height = scaled_height;
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return notScaled;
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}
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@ -1950,23 +1948,30 @@ Upload32
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===============
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*/
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static void Upload32( byte *data, int width, int height, imgType_t type, imgFlags_t flags,
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qboolean lightMap, GLenum internalFormat, int *pUploadWidth, int *pUploadHeight)
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static void Upload32(byte *data, int x, int y, int width, int height, image_t *image)
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{
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byte *scaledBuffer = NULL;
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byte *resampledBuffer = NULL;
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int scaled_width, scaled_height;
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int i, c;
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byte *scan;
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RawImage_ScaleToPower2(&data, &width, &height, &scaled_width, &scaled_height, type, flags, &resampledBuffer);
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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 mipmap = !!(flags & IMGFLAG_MIPMAP);
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scaledBuffer = ri.Hunk_AllocateTempMemory( sizeof( unsigned ) * scaled_width * scaled_height );
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if (!data)
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{
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RawImage_ScaleToPower2(NULL, &width, &height, type, flags, NULL);
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RawImage_UploadTexture(NULL, 0, 0, width, height, 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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notScaled = RawImage_ScaleToPower2(&data, &width, &height, type, flags, &resampledBuffer);
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}
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//
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// scan the texture for each channel's max values
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// and verify if the alpha channel is being used or not
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//
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c = width*height;
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scan = data;
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@ -1992,100 +1997,28 @@ static void Upload32( byte *data, int width, int height, imgType_t type, imgFlag
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}
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if (glRefConfig.swizzleNormalmap && (type == IMGTYPE_NORMAL || type == IMGTYPE_NORMALHEIGHT))
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{
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RawImage_SwizzleRA(data, width, height);
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}
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// copy or resample data as appropriate for first MIP level
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if ( ( scaled_width == width ) &&
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( scaled_height == height ) ) {
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if (!(flags & IMGFLAG_MIPMAP))
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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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R_LightScaleTexture(data, width, height, !mipmap);
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if (subtexture)
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{
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RawImage_UploadTexture( data, 0, 0, scaled_width, scaled_height, internalFormat, type, flags, qfalse );
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//qglTexImage2D (GL_TEXTURE_2D, 0, internalFormat, scaled_width, scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
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*pUploadWidth = scaled_width;
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*pUploadHeight = scaled_height;
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goto done;
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}
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Com_Memcpy (scaledBuffer, data, width*height*4);
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}
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else
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{
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// use the normal mip-mapping function to go down from here
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while ( width > scaled_width || height > scaled_height ) {
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if (type == IMGTYPE_NORMAL || type == IMGTYPE_NORMALHEIGHT)
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{
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R_MipMapNormalHeight( data, data, width, height, glRefConfig.swizzleNormalmap );
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}
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else
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{
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R_MipMapsRGB( data, width, height );
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// FIXME: Incorrect if original texture was not a power of 2 texture or picmipped
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RawImage_UploadTexture(data, x, y, width, height, internalFormat, type, flags, qtrue);
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GL_CheckErrors();
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return;
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}
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width >>= 1;
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height >>= 1;
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if ( width < 1 ) {
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width = 1;
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}
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if ( height < 1 ) {
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height = 1;
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}
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}
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Com_Memcpy( scaledBuffer, data, width * height * 4 );
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}
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if (!(flags & IMGFLAG_NOLIGHTSCALE))
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R_LightScaleTexture (scaledBuffer, scaled_width, scaled_height, !(flags & IMGFLAG_MIPMAP) );
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*pUploadWidth = scaled_width;
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*pUploadHeight = scaled_height;
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RawImage_UploadTexture(scaledBuffer, 0, 0, scaled_width, scaled_height, internalFormat, type, flags, qfalse);
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RawImage_UploadTexture(data, 0, 0, width, height, internalFormat, type, flags, qfalse);
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done:
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if (flags & IMGFLAG_MIPMAP)
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{
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if ( textureFilterAnisotropic )
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qglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
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(GLint)Com_Clamp( 1, maxAnisotropy, r_ext_max_anisotropy->integer ) );
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image->uploadWidth = width;
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image->uploadHeight = height;
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
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}
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else
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{
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if ( textureFilterAnisotropic )
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qglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1 );
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
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}
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GL_CheckErrors();
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if ( scaledBuffer != 0 )
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ri.Hunk_FreeTempMemory( scaledBuffer );
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if ( resampledBuffer != 0 )
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ri.Hunk_FreeTempMemory( resampledBuffer );
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}
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static void EmptyTexture( int width, int height, imgType_t type, imgFlags_t flags,
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qboolean lightMap, GLenum internalFormat, int *pUploadWidth, int *pUploadHeight )
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{
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int scaled_width, scaled_height;
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RawImage_ScaleToPower2(NULL, &width, &height, &scaled_width, &scaled_height, type, flags, NULL);
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*pUploadWidth = scaled_width;
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*pUploadHeight = scaled_height;
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RawImage_UploadTexture(NULL, 0, 0, scaled_width, scaled_height, internalFormat, type, flags, qfalse);
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if (flags & IMGFLAG_MIPMAP)
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if (mipmap)
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{
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if ( textureFilterAnisotropic )
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qglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
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@ -2120,6 +2053,9 @@ static void EmptyTexture( int width, int height, imgType_t type, imgFlags_t flag
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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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@ -2185,9 +2121,10 @@ image_t *R_CreateImage( const char *name, byte *pic, int width, int height, imgT
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GL_SelectTexture( image->TMU );
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}
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GL_Bind(image);
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if (image->flags & IMGFLAG_CUBEMAP)
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{
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GL_Bind(image);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
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@ -2218,20 +2155,7 @@ image_t *R_CreateImage( const char *name, byte *pic, int width, int height, imgT
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}
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else
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{
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GL_Bind(image);
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if (pic)
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{
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Upload32( pic, image->width, image->height, image->type, image->flags,
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isLightmap, image->internalFormat, &image->uploadWidth,
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&image->uploadHeight );
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}
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else
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{
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EmptyTexture(image->width, image->height, image->type, image->flags,
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isLightmap, image->internalFormat, &image->uploadWidth,
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&image->uploadHeight );
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}
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Upload32( pic, 0, 0, image->width, image->height, image );
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qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glWrapClampMode );
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qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glWrapClampMode );
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@ -2248,86 +2172,15 @@ image_t *R_CreateImage( const char *name, byte *pic, int width, int height, imgT
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void R_UpdateSubImage( image_t *image, byte *pic, int x, int y, int width, int height )
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{
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byte *scaledBuffer = NULL;
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byte *resampledBuffer = NULL;
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int scaled_width, scaled_height, scaled_x, scaled_y;
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byte *data = pic;
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if (glRefConfig.swizzleNormalmap && (image->type == IMGTYPE_NORMAL || image->type == IMGTYPE_NORMALHEIGHT))
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{
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RawImage_SwizzleRA(pic, width, height);
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}
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RawImage_ScaleToPower2(&pic, &width, &height, &scaled_width, &scaled_height, image->type, image->flags, &resampledBuffer);
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scaledBuffer = ri.Hunk_AllocateTempMemory( sizeof( unsigned ) * scaled_width * scaled_height );
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if ( qglActiveTextureARB ) {
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GL_SelectTexture( image->TMU );
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if (qglActiveTextureARB) {
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GL_SelectTexture(image->TMU);
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}
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GL_Bind(image);
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// copy or resample data as appropriate for first MIP level
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if ( ( scaled_width == width ) &&
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( scaled_height == height ) ) {
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if (!(image->flags & IMGFLAG_MIPMAP))
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{
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scaled_x = x * scaled_width / width;
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scaled_y = y * scaled_height / height;
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RawImage_UploadTexture( data, scaled_x, scaled_y, scaled_width, scaled_height, image->internalFormat, image->type, image->flags, qtrue );
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//qglTexSubImage2D( GL_TEXTURE_2D, 0, scaled_x, scaled_y, scaled_width, scaled_height, GL_RGBA, GL_UNSIGNED_BYTE, data );
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Upload32(pic, x, y, width, height, image);
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GL_CheckErrors();
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goto done;
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}
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Com_Memcpy (scaledBuffer, data, width*height*4);
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}
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else
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{
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// use the normal mip-mapping function to go down from here
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while ( width > scaled_width || height > scaled_height ) {
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if (image->type == IMGTYPE_NORMAL || image->type == IMGTYPE_NORMALHEIGHT)
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{
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R_MipMapNormalHeight( data, data, width, height, glRefConfig.swizzleNormalmap );
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}
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else
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{
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R_MipMapsRGB( data, width, height );
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}
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width >>= 1;
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height >>= 1;
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x >>= 1;
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y >>= 1;
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if ( width < 1 ) {
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width = 1;
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}
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if ( height < 1 ) {
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height = 1;
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}
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}
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Com_Memcpy( scaledBuffer, data, width * height * 4 );
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}
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if (!(image->flags & IMGFLAG_NOLIGHTSCALE))
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R_LightScaleTexture (scaledBuffer, scaled_width, scaled_height, !(image->flags & IMGFLAG_MIPMAP) );
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scaled_x = x * scaled_width / width;
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scaled_y = y * scaled_height / height;
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RawImage_UploadTexture( (byte *)data, scaled_x, scaled_y, scaled_width, scaled_height, image->internalFormat, image->type, image->flags, qtrue );
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done:
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GL_SelectTexture( 0 );
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GL_CheckErrors();
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if ( scaledBuffer != 0 )
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ri.Hunk_FreeTempMemory( scaledBuffer );
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if ( resampledBuffer != 0 )
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ri.Hunk_FreeTempMemory( resampledBuffer );
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GL_SelectTexture(0);
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}
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//===================================================================
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