From 450e917c9d71f696bca2ba11960a521e64385ec2 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sun, 31 Oct 2004 18:40:55 +0000 Subject: Use the _mesa_scale_and_bias_rgba() function in the convolution functions. Minor clean-ups. --- src/mesa/main/convolve.c | 120 ++++++++++++++++------------------------------- src/mesa/main/image.c | 10 ++-- src/mesa/main/pixel.c | 4 +- src/mesa/main/pixel.h | 4 +- 4 files changed, 49 insertions(+), 89 deletions(-) (limited to 'src') diff --git a/src/mesa/main/convolve.c b/src/mesa/main/convolve.c index afa550a481..1f4eaf439b 100644 --- a/src/mesa/main/convolve.c +++ b/src/mesa/main/convolve.c @@ -38,6 +38,7 @@ #include "context.h" #include "image.h" #include "mtypes.h" +#include "pixel.h" #include "state.h" @@ -177,26 +178,16 @@ _mesa_ConvolutionFilter1D(GLenum target, GLenum internalFormat, GLsizei width, G ctx->Unpack.BufferObj); } - /* apply scale and bias */ - { - const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[0]; - const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[0]; - GLint i; - for (i = 0; i < width; i++) { - GLfloat r = ctx->Convolution1D.Filter[i * 4 + 0]; - GLfloat g = ctx->Convolution1D.Filter[i * 4 + 1]; - GLfloat b = ctx->Convolution1D.Filter[i * 4 + 2]; - GLfloat a = ctx->Convolution1D.Filter[i * 4 + 3]; - r = r * scale[0] + bias[0]; - g = g * scale[1] + bias[1]; - b = b * scale[2] + bias[2]; - a = a * scale[3] + bias[3]; - ctx->Convolution1D.Filter[i * 4 + 0] = r; - ctx->Convolution1D.Filter[i * 4 + 1] = g; - ctx->Convolution1D.Filter[i * 4 + 2] = b; - ctx->Convolution1D.Filter[i * 4 + 3] = a; - } - } + _mesa_scale_and_bias_rgba(width, + (GLfloat (*)[4]) ctx->Convolution1D.Filter, + ctx->Pixel.ConvolutionFilterScale[0][0], + ctx->Pixel.ConvolutionFilterScale[0][1], + ctx->Pixel.ConvolutionFilterScale[0][2], + ctx->Pixel.ConvolutionFilterScale[0][3], + ctx->Pixel.ConvolutionFilterBias[0][0], + ctx->Pixel.ConvolutionFilterBias[0][1], + ctx->Pixel.ConvolutionFilterBias[0][2], + ctx->Pixel.ConvolutionFilterBias[0][3]); ctx->NewState |= _NEW_PIXEL; } @@ -290,25 +281,16 @@ _mesa_ConvolutionFilter2D(GLenum target, GLenum internalFormat, GLsizei width, G ctx->Unpack.BufferObj); } - /* apply scale and bias */ - { - const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[1]; - const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[1]; - for (i = 0; i < width * height; i++) { - GLfloat r = ctx->Convolution2D.Filter[i * 4 + 0]; - GLfloat g = ctx->Convolution2D.Filter[i * 4 + 1]; - GLfloat b = ctx->Convolution2D.Filter[i * 4 + 2]; - GLfloat a = ctx->Convolution2D.Filter[i * 4 + 3]; - r = r * scale[0] + bias[0]; - g = g * scale[1] + bias[1]; - b = b * scale[2] + bias[2]; - a = a * scale[3] + bias[3]; - ctx->Convolution2D.Filter[i * 4 + 0] = r; - ctx->Convolution2D.Filter[i * 4 + 1] = g; - ctx->Convolution2D.Filter[i * 4 + 2] = b; - ctx->Convolution2D.Filter[i * 4 + 3] = a; - } - } + _mesa_scale_and_bias_rgba(width * height, + (GLfloat (*)[4]) ctx->Convolution2D.Filter, + ctx->Pixel.ConvolutionFilterScale[1][0], + ctx->Pixel.ConvolutionFilterScale[1][1], + ctx->Pixel.ConvolutionFilterScale[1][2], + ctx->Pixel.ConvolutionFilterScale[1][3], + ctx->Pixel.ConvolutionFilterBias[1][0], + ctx->Pixel.ConvolutionFilterBias[1][1], + ctx->Pixel.ConvolutionFilterBias[1][2], + ctx->Pixel.ConvolutionFilterBias[1][3]); ctx->NewState |= _NEW_PIXEL; } @@ -958,26 +940,16 @@ _mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLs format, type, row, &ctx->Unpack, 0); /* transferOps */ - /* apply scale and bias */ - { - const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[2]; - const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[2]; - GLint i; - for (i = 0; i < width; i++) { - GLfloat r = ctx->Separable2D.Filter[i * 4 + 0]; - GLfloat g = ctx->Separable2D.Filter[i * 4 + 1]; - GLfloat b = ctx->Separable2D.Filter[i * 4 + 2]; - GLfloat a = ctx->Separable2D.Filter[i * 4 + 3]; - r = r * scale[0] + bias[0]; - g = g * scale[1] + bias[1]; - b = b * scale[2] + bias[2]; - a = a * scale[3] + bias[3]; - ctx->Separable2D.Filter[i * 4 + 0] = r; - ctx->Separable2D.Filter[i * 4 + 1] = g; - ctx->Separable2D.Filter[i * 4 + 2] = b; - ctx->Separable2D.Filter[i * 4 + 3] = a; - } - } + _mesa_scale_and_bias_rgba(width, + (GLfloat (*)[4]) ctx->Separable2D.Filter, + ctx->Pixel.ConvolutionFilterScale[2][0], + ctx->Pixel.ConvolutionFilterScale[2][1], + ctx->Pixel.ConvolutionFilterScale[2][2], + ctx->Pixel.ConvolutionFilterScale[2][3], + ctx->Pixel.ConvolutionFilterBias[2][0], + ctx->Pixel.ConvolutionFilterBias[2][1], + ctx->Pixel.ConvolutionFilterBias[2][2], + ctx->Pixel.ConvolutionFilterBias[2][3]); } /* unpack column filter */ @@ -987,26 +959,16 @@ _mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLs format, type, column, &ctx->Unpack, 0); /* transferOps */ - /* apply scale and bias */ - { - const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[2]; - const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[2]; - GLint i; - for (i = 0; i < height; i++) { - GLfloat r = ctx->Separable2D.Filter[i * 4 + 0 + colStart]; - GLfloat g = ctx->Separable2D.Filter[i * 4 + 1 + colStart]; - GLfloat b = ctx->Separable2D.Filter[i * 4 + 2 + colStart]; - GLfloat a = ctx->Separable2D.Filter[i * 4 + 3 + colStart]; - r = r * scale[0] + bias[0]; - g = g * scale[1] + bias[1]; - b = b * scale[2] + bias[2]; - a = a * scale[3] + bias[3]; - ctx->Separable2D.Filter[i * 4 + 0 + colStart] = r; - ctx->Separable2D.Filter[i * 4 + 1 + colStart] = g; - ctx->Separable2D.Filter[i * 4 + 2 + colStart] = b; - ctx->Separable2D.Filter[i * 4 + 3 + colStart] = a; - } - } + _mesa_scale_and_bias_rgba(height, + (GLfloat (*)[4]) (ctx->Separable2D.Filter + colStart), + ctx->Pixel.ConvolutionFilterScale[2][0], + ctx->Pixel.ConvolutionFilterScale[2][1], + ctx->Pixel.ConvolutionFilterScale[2][2], + ctx->Pixel.ConvolutionFilterScale[2][3], + ctx->Pixel.ConvolutionFilterBias[2][0], + ctx->Pixel.ConvolutionFilterBias[2][1], + ctx->Pixel.ConvolutionFilterBias[2][2], + ctx->Pixel.ConvolutionFilterBias[2][3]); } if (ctx->Unpack.BufferObj->Name) { diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index 81cf985e6b..fcc5d4e3b4 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -503,7 +503,7 @@ _mesa_image_address( const struct gl_pixelstore_attrib *packing, skippixels = packing->SkipPixels; skipimages = packing->SkipImages; - if (type==GL_BITMAP) { + if (type == GL_BITMAP) { /* BITMAP data */ GLint comp_per_pixel; /* components per pixel */ GLint bytes_per_comp; /* bytes per component */ @@ -512,13 +512,13 @@ _mesa_image_address( const struct gl_pixelstore_attrib *packing, /* Compute bytes per component */ bytes_per_comp = _mesa_sizeof_packed_type( type ); - if (bytes_per_comp<0) { + if (bytes_per_comp < 0) { return NULL; } /* Compute number of components per pixel */ comp_per_pixel = _mesa_components_in_format( format ); - if (comp_per_pixel<0 && type != GL_BITMAP) { + if (comp_per_pixel < 0) { return NULL; } @@ -922,7 +922,7 @@ _mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLuint transferOps, { /* scale & bias */ if (transferOps & IMAGE_SCALE_BIAS_BIT) { - _mesa_scale_and_bias_rgba(ctx, n, rgba, + _mesa_scale_and_bias_rgba(n, rgba, ctx->Pixel.RedScale, ctx->Pixel.GreenScale, ctx->Pixel.BlueScale, ctx->Pixel.AlphaScale, ctx->Pixel.RedBias, ctx->Pixel.GreenBias, @@ -943,7 +943,7 @@ _mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLuint transferOps, } /* GL_POST_CONVOLUTION_RED/GREEN/BLUE/ALPHA_SCALE/BIAS */ if (transferOps & IMAGE_POST_CONVOLUTION_SCALE_BIAS) { - _mesa_scale_and_bias_rgba(ctx, n, rgba, + _mesa_scale_and_bias_rgba(n, rgba, ctx->Pixel.PostConvolutionScale[RCOMP], ctx->Pixel.PostConvolutionScale[GCOMP], ctx->Pixel.PostConvolutionScale[BCOMP], diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c index 3d36c66e5b..2a0df1f347 100644 --- a/src/mesa/main/pixel.c +++ b/src/mesa/main/pixel.c @@ -1074,14 +1074,12 @@ _mesa_PixelTransferi( GLenum pname, GLint param ) * Apply scale and bias factors to an array of RGBA pixels. */ void -_mesa_scale_and_bias_rgba(GLcontext *ctx, GLuint n, GLfloat rgba[][4], +_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4], GLfloat rScale, GLfloat gScale, GLfloat bScale, GLfloat aScale, GLfloat rBias, GLfloat gBias, GLfloat bBias, GLfloat aBias) { - (void) ctx; - if (rScale != 1.0 || rBias != 0.0) { GLuint i; for (i = 0; i < n; i++) { diff --git a/src/mesa/main/pixel.h b/src/mesa/main/pixel.h index 13dee25510..9eef0cff5a 100644 --- a/src/mesa/main/pixel.h +++ b/src/mesa/main/pixel.h @@ -5,7 +5,7 @@ /* * Mesa 3-D graphics library - * Version: 6.1 + * Version: 6.3 * * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * @@ -79,7 +79,7 @@ _mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor ); /*@{*/ extern void -_mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4], +_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4], GLfloat rScale, GLfloat gScale, GLfloat bScale, GLfloat aScale, GLfloat rBias, GLfloat gBias, -- cgit v1.2.3