From d4ec85e62423336d3cddc45f26bef6764f435a18 Mon Sep 17 00:00:00 2001 From: Luca Barbieri Date: Fri, 6 Aug 2010 07:39:21 +0200 Subject: [PATCH] auxiliary: support using PIPE_TEXTURE_RECT internally Currently Gallium internals always use PIPE_TEXTURE_2D and normalized coordinates to access textures. However, PIPE_TEXTURE_2D is not always supported for NPOT textures, and PIPE_TEXTURE_RECT requires unnormalized coordinates. Hence, this change adds support for both kinds of normalization. --- src/gallium/auxiliary/util/u_blit.c | 67 +++++++++++++++++++++++++--------- src/gallium/auxiliary/util/u_blitter.c | 48 +++++++++++++++--------- 2 files changed, 81 insertions(+), 34 deletions(-) diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index 30c7a96..6fb341e 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -62,6 +62,7 @@ struct blit_state struct pipe_viewport_state viewport; struct pipe_clip_state clip; struct pipe_vertex_element velem[2]; + enum pipe_texture_target internal_target; void *vs; void *fs[TGSI_WRITEMASK_XYZW + 1]; @@ -110,7 +111,6 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; ctx->sampler.min_img_filter = 0; /* set later */ ctx->sampler.mag_img_filter = 0; /* set later */ - ctx->sampler.normalized_coords = 1; /* vertex elements state */ memset(&ctx->velem[0], 0, sizeof(ctx->velem[0]) * 2); @@ -145,6 +145,11 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->vertices[i][1][3] = 1.0f; /* q */ } + if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES)) + ctx->internal_target = PIPE_TEXTURE_2D; + else + ctx->internal_target = PIPE_TEXTURE_RECT; + return ctx; } @@ -296,6 +301,7 @@ util_blit_pixels_writemask(struct blit_state *ctx, unsigned offset; boolean overlap; float s0, t0, s1, t1; + boolean normalized; assert(filter == PIPE_TEX_MIPFILTER_NEAREST || filter == PIPE_TEX_MIPFILTER_LINEAR); @@ -335,7 +341,6 @@ util_blit_pixels_writemask(struct blit_state *ctx, return; } - /* Create a temporary texture when src and dest alias or when src * is anything other than a 2d texture. * XXX should just use appropriate shader to access 1d / 3d slice / cube face, @@ -373,7 +378,7 @@ util_blit_pixels_writemask(struct blit_state *ctx, /* create temp texture */ memset(&texTemp, 0, sizeof(texTemp)); - texTemp.target = PIPE_TEXTURE_2D; + texTemp.target = ctx->internal_target; texTemp.format = src_tex->format; texTemp.last_level = 0; texTemp.width0 = srcW; @@ -393,10 +398,19 @@ util_blit_pixels_writemask(struct blit_state *ctx, src_tex, srcsub, srcLeft, srcTop, srcZ0, /* src */ srcW, srcH); /* size */ - s0 = 0.0f; - s1 = 1.0f; - t0 = 0.0f; - t1 = 1.0f; + normalized = tex->target != PIPE_TEXTURE_RECT; + if(normalized) { + s0 = 0.0f; + s1 = 1.0f; + t0 = 0.0f; + t1 = 1.0f; + } + else { + s0 = 0; + s1 = srcW; + t0 = 0; + t1 = srcH; + } u_sampler_view_default_template(&sv_templ, tex, tex->format); sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ); @@ -416,17 +430,25 @@ util_blit_pixels_writemask(struct blit_state *ctx, return; } - s0 = srcX0 / (float)(u_minify(sampler_view->texture->width0, srcsub.level)); - s1 = srcX1 / (float)(u_minify(sampler_view->texture->width0, srcsub.level)); - t0 = srcY0 / (float)(u_minify(sampler_view->texture->height0, srcsub.level)); - t1 = srcY1 / (float)(u_minify(sampler_view->texture->height0, srcsub.level)); + s0 = srcX0; + s1 = srcX1; + t0 = srcY0; + t1 = srcY1; + normalized = sampler_view->texture->target != PIPE_TEXTURE_RECT; + if(normalized) + { + s0 /= (float)(u_minify(sampler_view->texture->width0, srcsub.level)); + s1 /= (float)(u_minify(sampler_view->texture->width0, srcsub.level)); + t0 /= (float)(u_minify(sampler_view->texture->height0, srcsub.level)); + t1 /= (float)(u_minify(sampler_view->texture->height0, srcsub.level)); + } } - assert(screen->is_format_supported(screen, sampler_view->format, PIPE_TEXTURE_2D, + assert(screen->is_format_supported(screen, sampler_view->format, ctx->internal_target, sampler_view->texture->nr_samples, PIPE_BIND_SAMPLER_VIEW, 0)); - assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D, + assert(screen->is_format_supported(screen, dst->format, ctx->internal_target, dst->texture->nr_samples, PIPE_BIND_RENDER_TARGET, 0)); @@ -451,6 +473,7 @@ util_blit_pixels_writemask(struct blit_state *ctx, cso_set_vertex_elements(ctx->cso, 2, ctx->velem); /* sampler */ + ctx->sampler.normalized_coords = normalized; ctx->sampler.min_img_filter = filter; ctx->sampler.mag_img_filter = filter; /* we've limited this already with the sampler view but you never know... */ @@ -575,6 +598,7 @@ util_blit_pixels_tex(struct blit_state *ctx, int dstX1, int dstY1, float z, uint filter) { + boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT; struct pipe_framebuffer_state fb; float s0, t0, s1, t1; unsigned offset; @@ -587,10 +611,18 @@ util_blit_pixels_tex(struct blit_state *ctx, assert(tex->width0 != 0); assert(tex->height0 != 0); - s0 = srcX0 / (float)tex->width0; - s1 = srcX1 / (float)tex->width0; - t0 = srcY0 / (float)tex->height0; - t1 = srcY1 / (float)tex->height0; + s0 = srcX0; + s1 = srcX1; + t0 = srcY0; + t1 = srcY1; + + if(normalized) + { + s0 /= (float)tex->width0; + s1 /= (float)tex->width0; + t0 /= (float)tex->height0; + t1 /= (float)tex->height0; + } assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format, PIPE_TEXTURE_2D, @@ -618,6 +650,7 @@ util_blit_pixels_tex(struct blit_state *ctx, cso_set_vertex_elements(ctx->cso, 2, ctx->velem); /* sampler */ + ctx->sampler.normalized_coords = normalized; ctx->sampler.min_img_filter = filter; ctx->sampler.mag_img_filter = filter; cso_single_sampler(ctx->cso, 0, &ctx->sampler); diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index 9c6887b..8f93dac 100644 --- a/src/gallium/auxiliary/util/u_blitter.c +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -92,7 +92,7 @@ struct blitter_context_priv void *velem_state; /* Sampler state for clamping to a miplevel. */ - void *sampler_state[PIPE_MAX_TEXTURE_LEVELS]; + void *sampler_state[PIPE_MAX_TEXTURE_LEVELS * 2]; /* Rasterizer state. */ void *rs_state; @@ -272,7 +272,7 @@ void util_blitter_destroy(struct blitter_context *blitter) if (ctx->fs_col[i]) pipe->delete_fs_state(pipe, ctx->fs_col[i]); - for (i = 0; i < PIPE_MAX_TEXTURE_LEVELS; i++) + for (i = 0; i < PIPE_MAX_TEXTURE_LEVELS * 2; i++) if (ctx->sampler_state[i]) pipe->delete_sampler_state(pipe, ctx->sampler_state[i]); @@ -418,16 +418,26 @@ static void blitter_set_clear_color(struct blitter_context_priv *ctx, } } -static void get_normalized_texcoords(struct pipe_resource *src, +static void get_texcoords(struct pipe_resource *src, struct pipe_subresource subsrc, unsigned x1, unsigned y1, unsigned x2, unsigned y2, - float out[4]) + boolean normalized, float out[4]) { - out[0] = x1 / (float)u_minify(src->width0, subsrc.level); - out[1] = y1 / (float)u_minify(src->height0, subsrc.level); - out[2] = x2 / (float)u_minify(src->width0, subsrc.level); - out[3] = y2 / (float)u_minify(src->height0, subsrc.level); + if(normalized) + { + out[0] = x1 / (float)u_minify(src->width0, subsrc.level); + out[1] = y1 / (float)u_minify(src->height0, subsrc.level); + out[2] = x2 / (float)u_minify(src->width0, subsrc.level); + out[3] = y2 / (float)u_minify(src->height0, subsrc.level); + } + else + { + out[0] = x1; + out[1] = y1; + out[2] = x2; + out[3] = y2; + } } static void set_texcoords_in_vertices(const float coord[4], @@ -455,7 +465,7 @@ static void blitter_set_texcoords_2d(struct blitter_context_priv *ctx, unsigned i; float coord[4]; - get_normalized_texcoords(src, subsrc, x1, y1, x2, y2, coord); + get_texcoords(src, subsrc, x1, y1, x2, y2, TRUE, coord); set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); for (i = 0; i < 4; i++) { @@ -490,7 +500,7 @@ static void blitter_set_texcoords_cube(struct blitter_context_priv *ctx, float coord[4]; float st[4][2]; - get_normalized_texcoords(src, subsrc, x1, y1, x2, y2, coord); + get_texcoords(src, subsrc, x1, y1, x2, y2, TRUE, coord); set_texcoords_in_vertices(coord, &st[0][0], 2); util_map_texcoords2d_onto_cubemap(subsrc.face, @@ -524,7 +534,7 @@ static void blitter_draw_quad(struct blitter_context_priv *ctx) static INLINE void **blitter_get_sampler_state(struct blitter_context_priv *ctx, - int miplevel) + int miplevel, boolean normalized) { struct pipe_context *pipe = ctx->base.pipe; struct pipe_sampler_state *sampler_state = &ctx->template_sampler_state; @@ -532,18 +542,19 @@ void **blitter_get_sampler_state(struct blitter_context_priv *ctx, assert(miplevel < PIPE_MAX_TEXTURE_LEVELS); /* Create the sampler state on-demand. */ - if (!ctx->sampler_state[miplevel]) { + if (!ctx->sampler_state[miplevel * 2 + normalized]) { sampler_state->lod_bias = miplevel; sampler_state->min_lod = miplevel; sampler_state->max_lod = miplevel; + sampler_state->normalized_coords = normalized; - ctx->sampler_state[miplevel] = pipe->create_sampler_state(pipe, + ctx->sampler_state[miplevel * 2 + normalized] = pipe->create_sampler_state(pipe, sampler_state); } /* Return void** so that it can be passed to bind_fragment_sampler_states * directly. */ - return &ctx->sampler_state[miplevel]; + return &ctx->sampler_state[miplevel * 2 + normalized]; } static INLINE @@ -719,6 +730,7 @@ void util_blitter_copy_region(struct blitter_context *blitter, struct pipe_sampler_view viewTempl, *view; unsigned bind; boolean is_stencil, is_depth; + boolean normalized; /* Give up if textures are not set. */ assert(dst && src); @@ -790,6 +802,8 @@ void util_blitter_copy_region(struct blitter_context *blitter, fb_state.zsbuf = 0; } + normalized = src->target != PIPE_TEXTURE_RECT; + /* Initialize sampler view. */ u_sampler_view_default_template(&viewTempl, src, src->format); view = pipe->create_sampler_view(pipe, src, &viewTempl); @@ -798,7 +812,7 @@ void util_blitter_copy_region(struct blitter_context *blitter, pipe->bind_rasterizer_state(pipe, ctx->rs_state); pipe->bind_vs_state(pipe, ctx->vs_tex); pipe->bind_fragment_sampler_states(pipe, 1, - blitter_get_sampler_state(ctx, subsrc.level)); + blitter_get_sampler_state(ctx, subsrc.level, normalized)); pipe->bind_vertex_elements_state(pipe, ctx->velem_state); pipe->set_fragment_sampler_views(pipe, 1, &view); pipe->set_framebuffer_state(pipe, &fb_state); @@ -813,8 +827,8 @@ void util_blitter_copy_region(struct blitter_context *blitter, { /* Set texture coordinates. */ float coord[4]; - get_normalized_texcoords(src, subsrc, srcx, srcy, - srcx+width, srcy+height, coord); + get_texcoords(src, subsrc, srcx, srcy, + srcx+width, srcy+height, normalized, coord); /* Draw. */ blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, -- 2.7.4