From 7933658107276f9d5491f8736a743cf8f8bbd5f2 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 2 Apr 2010 14:47:58 +0000 Subject: Updated to following packages: mesa-7.8 --- mesalib/src/mesa/swrast/s_texfilter.c | 69 ++++++++++++++++++++--------------- 1 file changed, 40 insertions(+), 29 deletions(-) (limited to 'mesalib/src/mesa/swrast/s_texfilter.c') diff --git a/mesalib/src/mesa/swrast/s_texfilter.c b/mesalib/src/mesa/swrast/s_texfilter.c index 0bb988e3e..997c2f4bb 100644 --- a/mesalib/src/mesa/swrast/s_texfilter.c +++ b/mesalib/src/mesa/swrast/s_texfilter.c @@ -445,7 +445,7 @@ clamp_rect_coord_linear(GLenum wrapMode, GLfloat coord, GLint max, switch (wrapMode) { case GL_CLAMP: /* Not exactly what the spec says, but it matches NVIDIA output */ - fcol = CLAMP(coord - 0.5F, 0.0, max-1); + fcol = CLAMP(coord - 0.5F, 0.0F, max - 1); i0 = IFLOOR(fcol); i1 = i0 + 1; break; @@ -474,6 +474,18 @@ clamp_rect_coord_linear(GLenum wrapMode, GLfloat coord, GLint max, } +/** + * Compute slice/image to use for 1D or 2D array texture. + */ +static INLINE GLint +tex_array_slice(GLfloat coord, GLsizei size) +{ + GLint slice = IFLOOR(coord + 0.5f); + slice = CLAMP(slice, 0, size - 1); + return slice; +} + + /** * Compute nearest integer texcoords for given texobj and coordinate. */ @@ -506,13 +518,13 @@ nearest_texcoord(const struct gl_texture_object *texObj, break; case GL_TEXTURE_1D_ARRAY_EXT: *i = nearest_texel_location(texObj->WrapS, img, width, texcoord[0]); - *j = clamp_rect_coord_nearest(texObj->WrapT, texcoord[1], height); + *j = tex_array_slice(texcoord[1], height); *k = 0; break; case GL_TEXTURE_2D_ARRAY_EXT: *i = nearest_texel_location(texObj->WrapS, img, width, texcoord[0]); *j = nearest_texel_location(texObj->WrapT, img, height, texcoord[1]); - *k = clamp_rect_coord_nearest(texObj->WrapR, texcoord[2], depth); + *k = tex_array_slice(texcoord[2], depth); break; default: *i = *j = *k = 0; @@ -556,7 +568,7 @@ linear_texcoord(const struct gl_texture_object *texObj, case GL_TEXTURE_1D_ARRAY_EXT: linear_texel_locations(texObj->WrapS, img, width, texcoord[0], i0, i1, wi); - *j0 = clamp_rect_coord_nearest(texObj->WrapT, texcoord[1], height); + *j0 = tex_array_slice(texcoord[1], height); *j1 = *j0; *slice = 0; break; @@ -566,7 +578,7 @@ linear_texcoord(const struct gl_texture_object *texObj, texcoord[0], i0, i1, wi); linear_texel_locations(texObj->WrapT, img, height, texcoord[1], j0, j1, wj); - *slice = clamp_rect_coord_nearest(texObj->WrapR, texcoord[2], depth); + *slice = tex_array_slice(texcoord[2], depth); break; default: @@ -747,28 +759,28 @@ get_border_color(const struct gl_texture_object *tObj, { switch (img->_BaseFormat) { case GL_RGB: - rgba[0] = tObj->BorderColor[0]; - rgba[1] = tObj->BorderColor[1]; - rgba[2] = tObj->BorderColor[2]; + rgba[0] = tObj->BorderColor.f[0]; + rgba[1] = tObj->BorderColor.f[1]; + rgba[2] = tObj->BorderColor.f[2]; rgba[3] = 1.0F; break; case GL_ALPHA: rgba[0] = rgba[1] = rgba[2] = 0.0; - rgba[3] = tObj->BorderColor[3]; + rgba[3] = tObj->BorderColor.f[3]; break; case GL_LUMINANCE: - rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor[0]; + rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor.f[0]; rgba[3] = 1.0; break; case GL_LUMINANCE_ALPHA: - rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor[0]; - rgba[3] = tObj->BorderColor[3]; + rgba[0] = rgba[1] = rgba[2] = tObj->BorderColor.f[0]; + rgba[3] = tObj->BorderColor.f[3]; break; case GL_INTENSITY: - rgba[0] = rgba[1] = rgba[2] = rgba[3] = tObj->BorderColor[0]; + rgba[0] = rgba[1] = rgba[2] = rgba[3] = tObj->BorderColor.f[0]; break; default: - COPY_4V(rgba, tObj->BorderColor); + COPY_4V(rgba, tObj->BorderColor.f); } } @@ -2269,7 +2281,6 @@ sample_lambda_rect(GLcontext *ctx, } - /**********************************************************************/ /* 2D Texture Array Sampling Functions */ /**********************************************************************/ @@ -2293,7 +2304,7 @@ sample_2d_array_nearest(GLcontext *ctx, i = nearest_texel_location(tObj->WrapS, img, width, texcoord[0]); j = nearest_texel_location(tObj->WrapT, img, height, texcoord[1]); - array = clamp_rect_coord_nearest(tObj->WrapR, texcoord[2], depth); + array = tex_array_slice(texcoord[2], depth); if (i < 0 || i >= (GLint) img->Width || j < 0 || j >= (GLint) img->Height || @@ -2328,10 +2339,10 @@ sample_2d_array_linear(GLcontext *ctx, linear_texel_locations(tObj->WrapS, img, width, texcoord[0], &i0, &i1, &a); linear_texel_locations(tObj->WrapT, img, height, texcoord[1], &j0, &j1, &b); - array = clamp_rect_coord_nearest(tObj->WrapR, texcoord[2], depth); + array = tex_array_slice(texcoord[2], depth); if (array < 0 || array >= depth) { - COPY_4V(rgba, tObj->BorderColor); + COPY_4V(rgba, tObj->BorderColor.f); } else { if (img->Border) { @@ -2601,7 +2612,7 @@ sample_1d_array_nearest(GLcontext *ctx, (void) ctx; i = nearest_texel_location(tObj->WrapS, img, width, texcoord[0]); - array = clamp_rect_coord_nearest(tObj->WrapT, texcoord[1], height); + array = tex_array_slice(texcoord[1], height); if (i < 0 || i >= (GLint) img->Width || array < 0 || array >= (GLint) img->Height) { @@ -2633,7 +2644,7 @@ sample_1d_array_linear(GLcontext *ctx, GLfloat t0[4], t1[4]; linear_texel_locations(tObj->WrapS, img, width, texcoord[0], &i0, &i1, &a); - array = clamp_rect_coord_nearest(tObj->WrapT, texcoord[1], height); + array = tex_array_slice(texcoord[1], height); if (img->Border) { i0 += img->Border; @@ -3002,7 +3013,7 @@ sample_depth_texture( GLcontext *ctx, img->FetchTexelf(img, col, row, slice, &depthSample); } else { - depthSample = tObj->BorderColor[0]; + depthSample = tObj->BorderColor.f[0]; } result = shadow_compare(function, texcoords[i][compare_coord], @@ -3053,21 +3064,21 @@ sample_depth_texture( GLcontext *ctx, } if (slice < 0 || slice >= (GLint) depth) { - depth00 = tObj->BorderColor[0]; - depth01 = tObj->BorderColor[0]; - depth10 = tObj->BorderColor[0]; - depth11 = tObj->BorderColor[0]; + depth00 = tObj->BorderColor.f[0]; + depth01 = tObj->BorderColor.f[0]; + depth10 = tObj->BorderColor.f[0]; + depth11 = tObj->BorderColor.f[0]; } else { /* get four depth samples from the texture */ if (useBorderTexel & (I0BIT | J0BIT)) { - depth00 = tObj->BorderColor[0]; + depth00 = tObj->BorderColor.f[0]; } else { img->FetchTexelf(img, i0, j0, slice, &depth00); } if (useBorderTexel & (I1BIT | J0BIT)) { - depth10 = tObj->BorderColor[0]; + depth10 = tObj->BorderColor.f[0]; } else { img->FetchTexelf(img, i1, j0, slice, &depth10); @@ -3075,13 +3086,13 @@ sample_depth_texture( GLcontext *ctx, if (tObj->Target != GL_TEXTURE_1D_ARRAY_EXT) { if (useBorderTexel & (I0BIT | J1BIT)) { - depth01 = tObj->BorderColor[0]; + depth01 = tObj->BorderColor.f[0]; } else { img->FetchTexelf(img, i0, j1, slice, &depth01); } if (useBorderTexel & (I1BIT | J1BIT)) { - depth11 = tObj->BorderColor[0]; + depth11 = tObj->BorderColor.f[0]; } else { img->FetchTexelf(img, i1, j1, slice, &depth11); -- cgit v1.2.3