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Pass scale and bias values to _mesa_scale_and_bias_rgba().

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Implemented post-convolution scale and bias operation.
This commit is contained in:
Brian Paul
2000-11-28 00:07:51 +00:00
parent 4304790e3e
commit 45015e4d79
6 changed files with 117 additions and 37 deletions
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15
src/mesa/main/state.c
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@@ -1,4 +1,4 @@
/* $Id: state.c,v 1.49 2000/11/27 18:22:13 brianp Exp $ */
/* $Id: state.c,v 1.50 2000/11/28 00:07:51 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -676,8 +676,19 @@ update_image_transfer_state(GLcontext *ctx)
if (ctx->Pixel.Convolution1DEnabled ||
ctx->Pixel.Convolution2DEnabled ||
ctx->Pixel.Separable2DEnabled)
ctx->Pixel.Separable2DEnabled) {
mask |= IMAGE_CONVOLUTION_BIT;
if (ctx->Pixel.PostConvolutionScale[0] != 1.0F ||
ctx->Pixel.PostConvolutionScale[1] != 1.0F ||
ctx->Pixel.PostConvolutionScale[2] != 1.0F ||
ctx->Pixel.PostConvolutionScale[3] != 1.0F ||
ctx->Pixel.PostConvolutionBias[0] != 0.0F ||
ctx->Pixel.PostConvolutionBias[1] != 0.0F ||
ctx->Pixel.PostConvolutionBias[2] != 0.0F ||
ctx->Pixel.PostConvolutionBias[3] != 0.0F) {
mask |= IMAGE_POST_CONVOLUTION_SCALE_BIAS;
}
}
if (ctx->Pixel.PostConvolutionColorTableEnabled)
mask |= IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT;