From e2329f2795d48d11131e9ac105e7aa3fd2c229c1 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 23 Sep 2009 11:35:33 -0600 Subject: [PATCH] softpipe: white-space/formatting fixes and updated comments --- src/gallium/drivers/softpipe/sp_tex_sample.c | 173 ++++++++++++++------------- 1 file changed, 87 insertions(+), 86 deletions(-) diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.c b/src/gallium/drivers/softpipe/sp_tex_sample.c index 21031c1..f74b86b 100644 --- a/src/gallium/drivers/softpipe/sp_tex_sample.c +++ b/src/gallium/drivers/softpipe/sp_tex_sample.c @@ -115,11 +115,9 @@ lerp_3d(float a, float b, float c, * \return integer texture index */ static void -wrap_nearest_repeat(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_repeat(const float s[4], unsigned size, int icoord[4]) { uint ch; - /* s limited to [0,1) */ /* i limited to [0,size-1] */ for (ch = 0; ch < 4; ch++) { @@ -130,8 +128,7 @@ wrap_nearest_repeat(const float s[4], unsigned size, static void -wrap_nearest_clamp(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_clamp(const float s[4], unsigned size, int icoord[4]) { uint ch; /* s limited to [0,1] */ @@ -148,8 +145,7 @@ wrap_nearest_clamp(const float s[4], unsigned size, static void -wrap_nearest_clamp_to_edge(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_clamp_to_edge(const float s[4], unsigned size, int icoord[4]) { uint ch; /* s limited to [min,max] */ @@ -168,8 +164,7 @@ wrap_nearest_clamp_to_edge(const float s[4], unsigned size, static void -wrap_nearest_clamp_to_border(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_clamp_to_border(const float s[4], unsigned size, int icoord[4]) { uint ch; /* s limited to [min,max] */ @@ -186,9 +181,9 @@ wrap_nearest_clamp_to_border(const float s[4], unsigned size, } } + static void -wrap_nearest_mirror_repeat(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_mirror_repeat(const float s[4], unsigned size, int icoord[4]) { uint ch; const float min = 1.0F / (2.0F * size); @@ -209,9 +204,9 @@ wrap_nearest_mirror_repeat(const float s[4], unsigned size, } } + static void -wrap_nearest_mirror_clamp(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_mirror_clamp(const float s[4], unsigned size, int icoord[4]) { uint ch; for (ch = 0; ch < 4; ch++) { @@ -227,9 +222,10 @@ wrap_nearest_mirror_clamp(const float s[4], unsigned size, } } + static void wrap_nearest_mirror_clamp_to_edge(const float s[4], unsigned size, - int icoord[4]) + int icoord[4]) { uint ch; /* s limited to [min,max] */ @@ -284,7 +280,6 @@ wrap_linear_repeat(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) { uint ch; - for (ch = 0; ch < 4; ch++) { float u = s[ch] * size - 0.5F; icoord0[ch] = REMAINDER(util_ifloor(u), size); @@ -293,6 +288,7 @@ wrap_linear_repeat(const float s[4], unsigned size, } } + static void wrap_linear_clamp(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) @@ -307,6 +303,7 @@ wrap_linear_clamp(const float s[4], unsigned size, } } + static void wrap_linear_clamp_to_edge(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) @@ -325,6 +322,7 @@ wrap_linear_clamp_to_edge(const float s[4], unsigned size, } } + static void wrap_linear_clamp_to_border(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) @@ -365,6 +363,7 @@ wrap_linear_mirror_repeat(const float s[4], unsigned size, } } + static void wrap_linear_mirror_clamp(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) @@ -383,6 +382,7 @@ wrap_linear_mirror_clamp(const float s[4], unsigned size, } } + static void wrap_linear_mirror_clamp_to_edge(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) @@ -405,6 +405,7 @@ wrap_linear_mirror_clamp_to_edge(const float s[4], unsigned size, } } + static void wrap_linear_mirror_clamp_to_border(const float s[4], unsigned size, int icoord0[4], int icoord1[4], float w[4]) @@ -433,8 +434,7 @@ wrap_linear_mirror_clamp_to_border(const float s[4], unsigned size, * Only a subset of wrap modes supported. */ static void -wrap_nearest_unorm_clamp(const float s[4], unsigned size, - int icoord[4]) +wrap_nearest_unorm_clamp(const float s[4], unsigned size, int icoord[4]) { uint ch; for (ch = 0; ch < 4; ch++) { @@ -443,11 +443,13 @@ wrap_nearest_unorm_clamp(const float s[4], unsigned size, } } -/* Handles clamp_to_edge and clamp_to_border: + +/** + * Handles clamp_to_edge and clamp_to_border: */ static void wrap_nearest_unorm_clamp_to_border(const float s[4], unsigned size, - int icoord[4]) + int icoord[4]) { uint ch; for (ch = 0; ch < 4; ch++) { @@ -462,7 +464,7 @@ wrap_nearest_unorm_clamp_to_border(const float s[4], unsigned size, */ static void wrap_linear_unorm_clamp(const float s[4], unsigned size, - int icoord0[4], int icoord1[4], float w[4]) + int icoord0[4], int icoord1[4], float w[4]) { uint ch; for (ch = 0; ch < 4; ch++) { @@ -474,9 +476,10 @@ wrap_linear_unorm_clamp(const float s[4], unsigned size, } } + static void -wrap_linear_unorm_clamp_to_border( const float s[4], unsigned size, - int icoord0[4], int icoord1[4], float w[4]) +wrap_linear_unorm_clamp_to_border(const float s[4], unsigned size, + int icoord0[4], int icoord1[4], float w[4]) { uint ch; for (ch = 0; ch < 4; ch++) { @@ -492,8 +495,6 @@ wrap_linear_unorm_clamp_to_border( const float s[4], unsigned size, - - /** * Examine the quad's texture coordinates to compute the partial * derivatives w.r.t X and Y, then compute lambda (level of detail). @@ -519,6 +520,7 @@ compute_lambda_1d(const struct sp_sampler_varient *samp, return lambda; } + static float compute_lambda_2d(const struct sp_sampler_varient *samp, const float s[QUAD_SIZE], @@ -576,7 +578,10 @@ compute_lambda_3d(const struct sp_sampler_varient *samp, } - +/** + * Compute lambda for a vertex texture sampler. + * Since there aren't derivatives to use, just return the LOD bias. + */ static float compute_lambda_vert(const struct sp_sampler_varient *samp, const float s[QUAD_SIZE], @@ -698,7 +703,7 @@ get_texel_quad_2d(const struct sp_sampler_varient *samp, */ static INLINE const float * get_texel_3d_no_border(const struct sp_sampler_varient *samp, - union tex_tile_address addr, int x, int y, int z) + union tex_tile_address addr, int x, int y, int z) { const struct softpipe_tex_cached_tile *tile; @@ -716,7 +721,7 @@ get_texel_3d_no_border(const struct sp_sampler_varient *samp, static INLINE const float * get_texel_3d(const struct sp_sampler_varient *samp, - union tex_tile_address addr, int x, int y, int z ) + union tex_tile_address addr, int x, int y, int z) { const struct pipe_texture *texture = samp->texture; unsigned level = addr.bits.level; @@ -750,11 +755,11 @@ pot_level_size(unsigned base_pot, unsigned level) */ static INLINE void img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); unsigned j; @@ -768,7 +773,6 @@ img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, addr.value = 0; addr.bits.level = samp->level; - for (j = 0; j < QUAD_SIZE; j++) { int c; @@ -788,18 +792,15 @@ img_filter_2d_linear_repeat_POT(struct tgsi_sampler *tgsi_sampler, /* Can we fetch all four at once: */ - if (x0 < xmax && y0 < ymax) - { + if (x0 < xmax && y0 < ymax) { get_texel_quad_2d_no_border_single_tile(samp, addr, x0, y0, tx); } - else - { + else { unsigned x1 = (x0 + 1) & (xpot - 1); unsigned y1 = (y0 + 1) & (ypot - 1); get_texel_quad_2d_no_border(samp, addr, x0, y0, x1, y1, tx); } - /* interpolate R, G, B, A */ for (c = 0; c < 4; c++) { rgba[c][j] = lerp_2d(xw, yw, @@ -896,6 +897,7 @@ img_filter_2d_nearest_clamp_POT(struct tgsi_sampler *tgsi_sampler, } } + static void img_filter_1d_nearest(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -969,20 +971,22 @@ img_filter_2d_nearest(struct tgsi_sampler *tgsi_sampler, } } -static inline union tex_tile_address face( union tex_tile_address addr, - unsigned face ) + +static inline union tex_tile_address +face(union tex_tile_address addr, unsigned face ) { addr.bits.face = face; return addr; } + static void img_filter_cube_nearest(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct pipe_texture *texture = samp->texture; @@ -992,7 +996,6 @@ img_filter_cube_nearest(struct tgsi_sampler *tgsi_sampler, int x[4], y[4]; union tex_tile_address addr; - level0 = samp->level; width = texture->width[level0]; height = texture->height[level0]; @@ -1073,7 +1076,6 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler, float xw[4]; /* weights */ union tex_tile_address addr; - level0 = samp->level; width = texture->width[level0]; @@ -1084,7 +1086,6 @@ img_filter_1d_linear(struct tgsi_sampler *tgsi_sampler, samp->linear_texcoord_s(s, width, x0, x1, xw); - for (j = 0; j < QUAD_SIZE; j++) { const float *tx0 = get_texel_2d(samp, addr, x0[j], 0); const float *tx1 = get_texel_2d(samp, addr, x1[j], 0); @@ -1114,7 +1115,6 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, float xw[4], yw[4]; /* weights */ union tex_tile_address addr; - level0 = samp->level; width = texture->width[level0]; height = texture->height[level0]; @@ -1147,11 +1147,11 @@ img_filter_2d_linear(struct tgsi_sampler *tgsi_sampler, static void img_filter_cube_linear(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { const struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct pipe_texture *texture = samp->texture; @@ -1162,7 +1162,6 @@ img_filter_cube_linear(struct tgsi_sampler *tgsi_sampler, float xw[4], yw[4]; /* weights */ union tex_tile_address addr; - level0 = samp->level; width = texture->width[level0]; height = texture->height[level0]; @@ -1251,18 +1250,13 @@ img_filter_3d_linear(struct tgsi_sampler *tgsi_sampler, } - - - - - static void mip_filter_linear(struct tgsi_sampler *tgsi_sampler, - const float s[QUAD_SIZE], - const float t[QUAD_SIZE], - const float p[QUAD_SIZE], - float lodbias, - float rgba[NUM_CHANNELS][QUAD_SIZE]) + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]) { struct sp_sampler_varient *samp = sp_sampler_varient(tgsi_sampler); const struct pipe_texture *texture = samp->texture; @@ -1301,7 +1295,6 @@ mip_filter_linear(struct tgsi_sampler *tgsi_sampler, } - static void mip_filter_nearest(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], @@ -1357,7 +1350,8 @@ mip_filter_none(struct tgsi_sampler *tgsi_sampler, -/* Specialized version of mip_filter_linear with hard-wired calls to +/** + * Specialized version of mip_filter_linear with hard-wired calls to * 2d lambda calculation and 2d_linear_repeat_POT img filters. */ static void @@ -1409,7 +1403,8 @@ mip_filter_linear_2d_linear_repeat_POT( -/* Compare stage in the little sampling pipeline. +/** + * Do shadow/depth comparisons. */ static void sample_compare(struct tgsi_sampler *tgsi_sampler, @@ -1426,7 +1421,6 @@ sample_compare(struct tgsi_sampler *tgsi_sampler, samp->mip_filter( tgsi_sampler, s, t, p, lodbias, rgba ); - /** * Compare texcoord 'p' (aka R) against texture value 'rgba[0]' * When we sampled the depth texture, the depth value was put into all @@ -1493,7 +1487,10 @@ sample_compare(struct tgsi_sampler *tgsi_sampler, } } -/* Calculate cube faces. + +/** + * Compute which cube face is referenced by each texcoord and put that + * info into the sampler faces[] array. Then sample the cube faces */ static void sample_cube(struct tgsi_sampler *tgsi_sampler, @@ -1586,8 +1583,8 @@ sample_cube(struct tgsi_sampler *tgsi_sampler, - -static wrap_nearest_func get_nearest_unorm_wrap( unsigned mode ) +static wrap_nearest_func +get_nearest_unorm_wrap(unsigned mode) { switch (mode) { case PIPE_TEX_WRAP_CLAMP: @@ -1602,7 +1599,8 @@ static wrap_nearest_func get_nearest_unorm_wrap( unsigned mode ) } -static wrap_nearest_func get_nearest_wrap( unsigned mode ) +static wrap_nearest_func +get_nearest_wrap(unsigned mode) { switch (mode) { case PIPE_TEX_WRAP_REPEAT: @@ -1627,7 +1625,9 @@ static wrap_nearest_func get_nearest_wrap( unsigned mode ) } } -static wrap_linear_func get_linear_unorm_wrap( unsigned mode ) + +static wrap_linear_func +get_linear_unorm_wrap(unsigned mode) { switch (mode) { case PIPE_TEX_WRAP_CLAMP: @@ -1641,7 +1641,9 @@ static wrap_linear_func get_linear_unorm_wrap( unsigned mode ) } } -static wrap_linear_func get_linear_wrap( unsigned mode ) + +static wrap_linear_func +get_linear_wrap(unsigned mode) { switch (mode) { case PIPE_TEX_WRAP_REPEAT: @@ -1666,7 +1668,9 @@ static wrap_linear_func get_linear_wrap( unsigned mode ) } } -static compute_lambda_func get_lambda_func( const union sp_sampler_key key ) + +static compute_lambda_func +get_lambda_func(const union sp_sampler_key key) { if (key.bits.processor == TGSI_PROCESSOR_VERTEX) return compute_lambda_vert; @@ -1685,9 +1689,11 @@ static compute_lambda_func get_lambda_func( const union sp_sampler_key key ) } } -static filter_func get_img_filter( const union sp_sampler_key key, - unsigned filter, - const struct pipe_sampler_state *sampler ) + +static filter_func +get_img_filter(const union sp_sampler_key key, + unsigned filter, + const struct pipe_sampler_state *sampler) { switch (key.bits.target) { case PIPE_TEXTURE_1D: @@ -1774,7 +1780,8 @@ sp_sampler_varient_destroy( struct sp_sampler_varient *samp ) } -/* Create a sampler varient for a given set of non-orthogonal state. Currently the +/** + * Create a sampler varient for a given set of non-orthogonal state. */ struct sp_sampler_varient * sp_create_sampler_varient( const struct pipe_sampler_state *sampler, @@ -1871,9 +1878,3 @@ sp_create_sampler_varient( const struct pipe_sampler_state *sampler, return samp; } - - - - - - -- 2.7.4