From 89ce12a2d20b6662abb7240c1becba11d53b215a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Fri, 21 Oct 2011 03:32:29 +0200 Subject: [PATCH] u_blitter: accept overriden width0 and height0 We'll use this soon. --- src/gallium/auxiliary/util/u_blitter.c | 126 ++++++++++--------------- src/gallium/auxiliary/util/u_blitter.h | 10 +- 2 files changed, 57 insertions(+), 79 deletions(-) diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index ac5b20a20e0..f5cc5cb3b07 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -493,6 +493,7 @@ static void blitter_set_clear_color(struct blitter_context_priv *ctx, } static void get_texcoords(struct pipe_sampler_view *src, + unsigned src_width0, unsigned src_height0, unsigned x1, unsigned y1, unsigned x2, unsigned y2, float out[4]) @@ -502,10 +503,10 @@ static void get_texcoords(struct pipe_sampler_view *src, boolean normalized = tex->target != PIPE_TEXTURE_RECT; if (normalized) { - out[0] = x1 / (float)u_minify(tex->width0, level); - out[1] = y1 / (float)u_minify(tex->height0, level); - out[2] = x2 / (float)u_minify(tex->width0, level); - out[3] = y2 / (float)u_minify(tex->height0, level); + out[0] = x1 / (float)u_minify(src_width0, level); + out[1] = y1 / (float)u_minify(src_height0, level); + out[2] = x2 / (float)u_minify(src_width0, level); + out[3] = y2 / (float)u_minify(src_height0, level); } else { out[0] = x1; out[1] = y1; @@ -530,74 +531,52 @@ static void set_texcoords_in_vertices(const float coord[4], out[1] = coord[3]; /*t3.t*/ } -static void blitter_set_texcoords_2d(struct blitter_context_priv *ctx, - struct pipe_sampler_view *src, - unsigned x1, unsigned y1, - unsigned x2, unsigned y2) +static void blitter_set_texcoords(struct blitter_context_priv *ctx, + struct pipe_sampler_view *src, + unsigned src_width0, unsigned src_height0, + unsigned layer, + unsigned x1, unsigned y1, + unsigned x2, unsigned y2) { unsigned i; float coord[4]; + float face_coord[4][2]; - get_texcoords(src, x1, y1, x2, y2, coord); - set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); + get_texcoords(src, src_width0, src_height0, x1, y1, x2, y2, coord); - for (i = 0; i < 4; i++) { - ctx->vertices[i][1][2] = 0; /*r*/ - ctx->vertices[i][1][3] = 1; /*q*/ + if (src->texture->target == PIPE_TEXTURE_CUBE) { + set_texcoords_in_vertices(coord, &face_coord[0][0], 2); + util_map_texcoords2d_onto_cubemap(layer, + /* pointer, stride in floats */ + &face_coord[0][0], 2, + &ctx->vertices[0][1][0], 8); + } else { + set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); } -} - -static void blitter_set_texcoords_3d(struct blitter_context_priv *ctx, - struct pipe_sampler_view *src, - unsigned zslice, - unsigned x1, unsigned y1, - unsigned x2, unsigned y2) -{ - struct pipe_resource *tex = src->texture; - unsigned level = src->u.tex.first_level; - boolean is_array = tex->target != PIPE_TEXTURE_2D_ARRAY; - float r = is_array ? zslice : zslice / (float)u_minify(tex->depth0, level); - int i; - - blitter_set_texcoords_2d(ctx, src, x1, y1, x2, y2); - - for (i = 0; i < 4; i++) - ctx->vertices[i][1][2] = r; /*r*/ -} - -static void blitter_set_texcoords_1d_array(struct blitter_context_priv *ctx, - struct pipe_sampler_view *src, - unsigned zslice, - unsigned x1, unsigned x2) -{ - int i; - - blitter_set_texcoords_2d(ctx, src, x1, 0, x2, 0); - for (i = 0; i < 4; i++) - ctx->vertices[i][1][1] = zslice; /*r*/ -} - -static void blitter_set_texcoords_cube(struct blitter_context_priv *ctx, - struct pipe_sampler_view *src, - unsigned face, - unsigned x1, unsigned y1, - unsigned x2, unsigned y2) -{ - int i; - float coord[4]; - float st[4][2]; + /* Set the layer. */ + switch (src->texture->target) { + case PIPE_TEXTURE_3D: + { + float r = layer / (float)u_minify(src->texture->depth0, + src->u.tex.first_level); + for (i = 0; i < 4; i++) + ctx->vertices[i][1][2] = r; /*r*/ + } + break; - get_texcoords(src, x1, y1, x2, y2, coord); - set_texcoords_in_vertices(coord, &st[0][0], 2); + case PIPE_TEXTURE_1D_ARRAY: + for (i = 0; i < 4; i++) + ctx->vertices[i][1][1] = layer; /*t*/ + break; - util_map_texcoords2d_onto_cubemap(face, - /* pointer, stride in floats */ - &st[0][0], 2, - &ctx->vertices[0][1][0], 8); + case PIPE_TEXTURE_2D_ARRAY: + for (i = 0; i < 4; i++) + ctx->vertices[i][1][2] = layer; /*r*/ + break; - for (i = 0; i < 4; i++) - ctx->vertices[i][1][3] = 1; /*q*/ + default:; + } } static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, @@ -883,7 +862,8 @@ void util_blitter_copy_texture(struct blitter_context *blitter, view = pipe->create_sampler_view(pipe, src, &viewTempl); /* Copy. */ - util_blitter_copy_texture_view(blitter, dstsurf, dstx, dsty, view, srcbox); + util_blitter_copy_texture_view(blitter, dstsurf, dstx, dsty, view, srcbox, + src->width0, src->height0); pipe_surface_reference(&dstsurf, NULL); pipe_sampler_view_reference(&view, NULL); @@ -893,7 +873,8 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter, struct pipe_surface *dst, unsigned dstx, unsigned dsty, struct pipe_sampler_view *src, - const struct pipe_box *srcbox) + const struct pipe_box *srcbox, + unsigned src_width0, unsigned src_height0) { struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; struct pipe_context *pipe = ctx->base.pipe; @@ -966,7 +947,7 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter, * texture coordinates too. */ union pipe_color_union coord; - get_texcoords(src, srcbox->x, srcbox->y, + get_texcoords(src, src_width0, src_height0, srcbox->x, srcbox->y, srcbox->x+width, srcbox->y+height, coord.f); /* Draw. */ @@ -980,21 +961,12 @@ void util_blitter_copy_texture_view(struct blitter_context *blitter, /* Set texture coordinates. */ switch (src_target) { case PIPE_TEXTURE_1D_ARRAY: - blitter_set_texcoords_1d_array(ctx, src, srcbox->y, srcbox->x, - srcbox->x + width); - break; - case PIPE_TEXTURE_2D_ARRAY: case PIPE_TEXTURE_3D: - blitter_set_texcoords_3d(ctx, src, srcbox->z, - srcbox->x, srcbox->y, - srcbox->x + width, srcbox->y + height); - break; - case PIPE_TEXTURE_CUBE: - blitter_set_texcoords_cube(ctx, src, srcbox->z, - srcbox->x, srcbox->y, - srcbox->x + width, srcbox->y + height); + blitter_set_texcoords(ctx, src, src_width0, src_height0, srcbox->z, + srcbox->y, srcbox->x, + srcbox->x + width, srcbox->y + height); break; default: diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h index 55b2421d452..3e1457ae0dd 100644 --- a/src/gallium/auxiliary/util/u_blitter.h +++ b/src/gallium/auxiliary/util/u_blitter.h @@ -195,17 +195,23 @@ void util_blitter_copy_texture(struct blitter_context *blitter, * the views. * * Drivers can use this to change resource properties (like format, width, - * height) by changing how the views can interpret them, instead of changing + * height) by changing how the views interpret them, instead of changing * pipe_resource directly. This is usually needed to accelerate copying of * compressed formats. * + * src_width0 and src_height0 are sampler_view-private properties that + * override pipe_resource. The blitter uses them for computation of texture + * coordinates. The dst dimensions are supplied through pipe_surface::width + * and height. + * * NOTE: There are no checks whether the blit is actually supported. */ void util_blitter_copy_texture_view(struct blitter_context *blitter, struct pipe_surface *dst, unsigned dstx, unsigned dsty, struct pipe_sampler_view *src, - const struct pipe_box *srcbox); + const struct pipe_box *srcbox, + unsigned src_width0, unsigned src_height0); /** * Clear a region of a (color) surface to a constant value. -- 2.30.2