diff options
Diffstat (limited to 'src/gallium/auxiliary/util')
| -rw-r--r-- | src/gallium/auxiliary/util/Makefile | 3 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/SConscript | 3 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_blit.c | 7 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_blitter.c | 718 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_blitter.h | 230 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_dl.c | 79 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_dl.h | 61 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_access.py | 4 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_gen_mipmap.c | 57 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_simple_shaders.c | 70 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_simple_shaders.h | 13 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_texture.c | 102 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_texture.h | 54 |
13 files changed, 1335 insertions, 66 deletions
diff --git a/src/gallium/auxiliary/util/Makefile b/src/gallium/auxiliary/util/Makefile index 1d8bb55bbd..3ed90fd1b7 100644 --- a/src/gallium/auxiliary/util/Makefile +++ b/src/gallium/auxiliary/util/Makefile @@ -9,8 +9,10 @@ C_SOURCES = \ u_debug_symbol.c \ u_debug_stack.c \ u_blit.c \ + u_blitter.c \ u_cache.c \ u_cpu_detect.c \ + u_dl.c \ u_draw_quad.c \ u_format.c \ u_format_access.c \ @@ -30,6 +32,7 @@ C_SOURCES = \ u_stream_stdc.c \ u_stream_wd.c \ u_surface.c \ + u_texture.c \ u_tile.c \ u_time.c \ u_timed_winsys.c \ diff --git a/src/gallium/auxiliary/util/SConscript b/src/gallium/auxiliary/util/SConscript index 8d99106d0b..2a546d19dc 100644 --- a/src/gallium/auxiliary/util/SConscript +++ b/src/gallium/auxiliary/util/SConscript @@ -23,6 +23,7 @@ util = env.ConvenienceLibrary( source = [ 'u_bitmask.c', 'u_blit.c', + 'u_blitter.c', 'u_cache.c', 'u_cpu_detect.c', 'u_debug.c', @@ -30,6 +31,7 @@ util = env.ConvenienceLibrary( 'u_debug_memory.c', 'u_debug_stack.c', 'u_debug_symbol.c', + 'u_dl.c', 'u_draw_quad.c', 'u_format.c', 'u_format_access.c', @@ -48,6 +50,7 @@ util = env.ConvenienceLibrary( 'u_stream_stdc.c', 'u_stream_wd.c', 'u_surface.c', + 'u_texture.c', 'u_tile.c', 'u_time.c', 'u_timed_winsys.c', diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index abe1de3302..c9050ca864 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -126,7 +126,8 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) } /* fragment shader */ - ctx->fs[TGSI_WRITEMASK_XYZW] = util_make_fragment_tex_shader(pipe); + ctx->fs[TGSI_WRITEMASK_XYZW] = + util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_2D); ctx->vbuf = NULL; /* init vertex data that doesn't change */ @@ -420,7 +421,9 @@ util_blit_pixels_writemask(struct blit_state *ctx, cso_set_sampler_textures(ctx->cso, 1, &tex); if (ctx->fs[writemask] == NULL) - ctx->fs[writemask] = util_make_fragment_tex_shader_writemask(pipe, writemask); + ctx->fs[writemask] = + util_make_fragment_tex_shader_writemask(pipe, TGSI_TEXTURE_2D, + writemask); /* shaders */ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]); diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c new file mode 100644 index 0000000000..895af2c8d0 --- /dev/null +++ b/src/gallium/auxiliary/util/u_blitter.c @@ -0,0 +1,718 @@ +/************************************************************************** + * + * Copyright 2009 Marek Olšák <maraeo@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * Blitter utility to facilitate acceleration of the clear, surface_copy, + * and surface_fill functions. + * + * @author Marek Olšák + */ + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_inlines.h" +#include "pipe/p_shader_tokens.h" +#include "pipe/p_state.h" + +#include "util/u_memory.h" +#include "util/u_math.h" +#include "util/u_blitter.h" +#include "util/u_draw_quad.h" +#include "util/u_pack_color.h" +#include "util/u_rect.h" +#include "util/u_simple_shaders.h" +#include "util/u_texture.h" + +struct blitter_context_priv +{ + struct blitter_context blitter; + + struct pipe_context *pipe; /**< pipe context */ + struct pipe_buffer *vbuf; /**< quad */ + + float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */ + + /* Templates for various state objects. */ + struct pipe_depth_stencil_alpha_state template_dsa; + struct pipe_sampler_state template_sampler_state; + + /* Constant state objects. */ + /* Vertex shaders. */ + void *vs_col; /**< Vertex shader which passes {pos, color} to the output */ + void *vs_tex; /**<Vertex shader which passes {pos, texcoord} to the output.*/ + + /* Fragment shaders. */ + /* FS which outputs a color to multiple color buffers. */ + void *fs_col[PIPE_MAX_COLOR_BUFS]; + + /* FS which outputs a color from a texture, + where the index is PIPE_TEXTURE_* to be sampled. */ + void *fs_texfetch_col[PIPE_MAX_TEXTURE_TYPES]; + + /* FS which outputs a depth from a texture, + where the index is PIPE_TEXTURE_* to be sampled. */ + void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES]; + + /* Blend state. */ + void *blend_write_color; /**< blend state with writemask of RGBA */ + void *blend_keep_color; /**< blend state with writemask of 0 */ + + /* Depth stencil alpha state. */ + void *dsa_write_depth_stencil[0xff]; /**< indices are stencil clear values */ + void *dsa_write_depth_keep_stencil; + void *dsa_keep_depth_stencil; + + /* Sampler state for clamping to a miplevel. */ + void *sampler_state[PIPE_MAX_TEXTURE_LEVELS]; + + /* Rasterizer state. */ + void *rs_state; +}; + +struct blitter_context *util_blitter_create(struct pipe_context *pipe) +{ + struct blitter_context_priv *ctx; + struct pipe_blend_state blend; + struct pipe_depth_stencil_alpha_state *dsa; + struct pipe_rasterizer_state rs_state; + struct pipe_sampler_state *sampler_state; + unsigned i; + + ctx = CALLOC_STRUCT(blitter_context_priv); + if (!ctx) + return NULL; + + ctx->pipe = pipe; + + /* init state objects for them to be considered invalid */ + ctx->blitter.saved_fb_state.nr_cbufs = ~0; + ctx->blitter.saved_num_textures = ~0; + ctx->blitter.saved_num_sampler_states = ~0; + + /* blend state objects */ + memset(&blend, 0, sizeof(blend)); + ctx->blend_keep_color = pipe->create_blend_state(pipe, &blend); + + blend.colormask = PIPE_MASK_RGBA; + ctx->blend_write_color = pipe->create_blend_state(pipe, &blend); + + /* depth stencil alpha state objects */ + dsa = &ctx->template_dsa; + ctx->dsa_keep_depth_stencil = + pipe->create_depth_stencil_alpha_state(pipe, dsa); + + dsa->depth.enabled = 1; + dsa->depth.writemask = 1; + dsa->depth.func = PIPE_FUNC_ALWAYS; + ctx->dsa_write_depth_keep_stencil = + pipe->create_depth_stencil_alpha_state(pipe, dsa); + + dsa->stencil[0].enabled = 1; + dsa->stencil[0].func = PIPE_FUNC_ALWAYS; + dsa->stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; + dsa->stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; + dsa->stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; + dsa->stencil[0].valuemask = 0xff; + dsa->stencil[0].writemask = 0xff; + /* The DSA state objects which write depth and stencil are created + * on-demand. */ + + /* sampler state */ + sampler_state = &ctx->template_sampler_state; + sampler_state->wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler_state->wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler_state->wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + /* The sampler state objects which sample from a specified mipmap level + * are created on-demand. */ + + /* rasterizer state */ + memset(&rs_state, 0, sizeof(rs_state)); + rs_state.front_winding = PIPE_WINDING_CW; + rs_state.cull_mode = PIPE_WINDING_NONE; + rs_state.bypass_vs_clip_and_viewport = 1; + rs_state.gl_rasterization_rules = 1; + ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); + + /* fragment shaders are created on-demand */ + + /* vertex shaders */ + { + const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, + TGSI_SEMANTIC_COLOR }; + const uint semantic_indices[] = { 0, 0 }; + ctx->vs_col = + util_make_vertex_passthrough_shader(pipe, 2, semantic_names, + semantic_indices); + } + { + const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, + TGSI_SEMANTIC_GENERIC }; + const uint semantic_indices[] = { 0, 0 }; + ctx->vs_tex = + util_make_vertex_passthrough_shader(pipe, 2, semantic_names, + semantic_indices); + } + + /* set invariant vertex coordinates */ + for (i = 0; i < 4; i++) + ctx->vertices[i][0][3] = 1; /*v.w*/ + + /* create the vertex buffer */ + ctx->vbuf = pipe_buffer_create(ctx->pipe->screen, + 32, + PIPE_BUFFER_USAGE_VERTEX, + sizeof(ctx->vertices)); + + return &ctx->blitter; +} + +void util_blitter_destroy(struct blitter_context *blitter) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + struct pipe_context *pipe = ctx->pipe; + int i; + + pipe->delete_blend_state(pipe, ctx->blend_write_color); + pipe->delete_blend_state(pipe, ctx->blend_keep_color); + pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); + pipe->delete_depth_stencil_alpha_state(pipe, + ctx->dsa_write_depth_keep_stencil); + + for (i = 0; i < 0xff; i++) + if (ctx->dsa_write_depth_stencil[i]) + pipe->delete_depth_stencil_alpha_state(pipe, + ctx->dsa_write_depth_stencil[i]); + + pipe->delete_rasterizer_state(pipe, ctx->rs_state); + pipe->delete_vs_state(pipe, ctx->vs_col); + pipe->delete_vs_state(pipe, ctx->vs_tex); + + for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { + if (ctx->fs_texfetch_col[i]) + pipe->delete_fs_state(pipe, ctx->fs_texfetch_col[i]); + if (ctx->fs_texfetch_depth[i]) + pipe->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); + } + + for (i = 0; i < PIPE_MAX_COLOR_BUFS && ctx->fs_col[i]; i++) + if (ctx->fs_col[i]) + pipe->delete_fs_state(pipe, ctx->fs_col[i]); + + for (i = 0; i < PIPE_MAX_TEXTURE_LEVELS; i++) + if (ctx->sampler_state[i]) + pipe->delete_sampler_state(pipe, ctx->sampler_state[i]); + + pipe_buffer_reference(&ctx->vbuf, NULL); + FREE(ctx); +} + +static void blitter_check_saved_CSOs(struct blitter_context_priv *ctx) +{ + /* make sure these CSOs have been saved */ + assert(ctx->blitter.saved_blend_state && + ctx->blitter.saved_dsa_state && + ctx->blitter.saved_rs_state && + ctx->blitter.saved_fs && + ctx->blitter.saved_vs); +} + +static void blitter_restore_CSOs(struct blitter_context_priv *ctx) +{ + struct pipe_context *pipe = ctx->pipe; + + /* restore the state objects which are always required to be saved */ + pipe->bind_blend_state(pipe, ctx->blitter.saved_blend_state); + pipe->bind_depth_stencil_alpha_state(pipe, ctx->blitter.saved_dsa_state); + pipe->bind_rasterizer_state(pipe, ctx->blitter.saved_rs_state); + pipe->bind_fs_state(pipe, ctx->blitter.saved_fs); + pipe->bind_vs_state(pipe, ctx->blitter.saved_vs); + + ctx->blitter.saved_blend_state = 0; + ctx->blitter.saved_dsa_state = 0; + ctx->blitter.saved_rs_state = 0; + ctx->blitter.saved_fs = 0; + ctx->blitter.saved_vs = 0; + + /* restore the state objects which are required to be saved before copy/fill + */ + if (ctx->blitter.saved_fb_state.nr_cbufs != ~0) { + pipe->set_framebuffer_state(pipe, &ctx->blitter.saved_fb_state); + ctx->blitter.saved_fb_state.nr_cbufs = ~0; + } + + if (ctx->blitter.saved_num_sampler_states != ~0) { + pipe->bind_fragment_sampler_states(pipe, + ctx->blitter.saved_num_sampler_states, + ctx->blitter.saved_sampler_states); + ctx->blitter.saved_num_sampler_states = ~0; + } + + if (ctx->blitter.saved_num_textures != ~0) { + pipe->set_fragment_sampler_textures(pipe, + ctx->blitter.saved_num_textures, + ctx->blitter.saved_textures); + ctx->blitter.saved_num_textures = ~0; + } +} + +static void blitter_set_rectangle(struct blitter_context_priv *ctx, + unsigned x1, unsigned y1, + unsigned x2, unsigned y2, + float depth) +{ + int i; + + /* set vertex positions */ + ctx->vertices[0][0][0] = x1; /*v0.x*/ + ctx->vertices[0][0][1] = y1; /*v0.y*/ + + ctx->vertices[1][0][0] = x2; /*v1.x*/ + ctx->vertices[1][0][1] = y1; /*v1.y*/ + + ctx->vertices[2][0][0] = x2; /*v2.x*/ + ctx->vertices[2][0][1] = y2; /*v2.y*/ + + ctx->vertices[3][0][0] = x1; /*v3.x*/ + ctx->vertices[3][0][1] = y2; /*v3.y*/ + + for (i = 0; i < 4; i++) + ctx->vertices[i][0][2] = depth; /*z*/ +} + +static void blitter_set_clear_color(struct blitter_context_priv *ctx, + const float *rgba) +{ + int i; + + for (i = 0; i < 4; i++) { + ctx->vertices[i][1][0] = rgba[0]; + ctx->vertices[i][1][1] = rgba[1]; + ctx->vertices[i][1][2] = rgba[2]; + ctx->vertices[i][1][3] = rgba[3]; + } +} + +static void blitter_set_texcoords_2d(struct blitter_context_priv *ctx, + struct pipe_surface *surf, + unsigned x1, unsigned y1, + unsigned x2, unsigned y2) +{ + int i; + float s1 = x1 / (float)surf->width; + float t1 = y1 / (float)surf->height; + float s2 = x2 / (float)surf->width; + float t2 = y2 / (float)surf->height; + + ctx->vertices[0][1][0] = s1; /*t0.s*/ + ctx->vertices[0][1][1] = t1; /*t0.t*/ + + ctx->vertices[1][1][0] = s2; /*t1.s*/ + ctx->vertices[1][1][1] = t1; /*t1.t*/ + + ctx->vertices[2][1][0] = s2; /*t2.s*/ + ctx->vertices[2][1][1] = t2; /*t2.t*/ + + ctx->vertices[3][1][0] = s1; /*t3.s*/ + ctx->vertices[3][1][1] = t2; /*t3.t*/ + + for (i = 0; i < 4; i++) { + ctx->vertices[i][1][2] = 0; /*r*/ + ctx->vertices[i][1][3] = 1; /*q*/ + } +} + +static void blitter_set_texcoords_3d(struct blitter_context_priv *ctx, + struct pipe_surface *surf, + unsigned x1, unsigned y1, + unsigned x2, unsigned y2) +{ + int i; + float depth = u_minify(surf->texture->depth0, surf->level); + float r = surf->zslice / depth; + + blitter_set_texcoords_2d(ctx, surf, x1, y1, x2, y2); + + for (i = 0; i < 4; i++) + ctx->vertices[i][1][2] = r; /*r*/ +} + +static void blitter_set_texcoords_cube(struct blitter_context_priv *ctx, + struct pipe_surface *surf, + unsigned x1, unsigned y1, + unsigned x2, unsigned y2) +{ + int i; + float s1 = x1 / (float)surf->width; + float t1 = y1 / (float)surf->height; + float s2 = x2 / (float)surf->width; + float t2 = y2 / (float)surf->height; + const float st[4][2] = { + {s1, t1}, {s2, t1}, {s2, t2}, {s1, t2} + }; + + util_map_texcoords2d_onto_cubemap(surf->face, + /* pointer, stride in floats */ + &st[0][0], 2, + &ctx->vertices[0][1][0], 8); + + for (i = 0; i < 4; i++) + ctx->vertices[i][1][3] = 1; /*q*/ +} + +static void blitter_draw_quad(struct blitter_context_priv *ctx) +{ + struct pipe_context *pipe = ctx->pipe; + + /* write vertices and draw them */ + pipe_buffer_write(pipe->screen, ctx->vbuf, + 0, sizeof(ctx->vertices), ctx->vertices); + + util_draw_vertex_buffer(pipe, ctx->vbuf, 0, PIPE_PRIM_TRIANGLE_FAN, + 4, /* verts */ + 2); /* attribs/vert */ +} + +static INLINE +void *blitter_get_state_write_depth_stencil( + struct blitter_context_priv *ctx, + unsigned stencil) +{ + struct pipe_context *pipe = ctx->pipe; + + stencil &= 0xff; + + /* Create the DSA state on-demand. */ + if (!ctx->dsa_write_depth_stencil[stencil]) { + ctx->template_dsa.stencil[0].ref_value = stencil; + + ctx->dsa_write_depth_stencil[stencil] = + pipe->create_depth_stencil_alpha_state(pipe, &ctx->template_dsa); + } + + return ctx->dsa_write_depth_stencil[stencil]; +} + +static INLINE +void **blitter_get_sampler_state(struct blitter_context_priv *ctx, + int miplevel) +{ + struct pipe_context *pipe = ctx->pipe; + struct pipe_sampler_state *sampler_state = &ctx->template_sampler_state; + + assert(miplevel < PIPE_MAX_TEXTURE_LEVELS); + + /* Create the sampler state on-demand. */ + if (!ctx->sampler_state[miplevel]) { + sampler_state->lod_bias = miplevel; + sampler_state->min_lod = miplevel; + sampler_state->max_lod = miplevel; + + ctx->sampler_state[miplevel] = 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]; +} + +static INLINE +void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs) +{ + struct pipe_context *pipe = ctx->pipe; + unsigned index = num_cbufs ? num_cbufs - 1 : 0; + + assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); + + if (!ctx->fs_col[index]) + ctx->fs_col[index] = + util_make_fragment_clonecolor_shader(pipe, num_cbufs); + + return ctx->fs_col[index]; +} + +static INLINE +void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, + unsigned tex_target) +{ + struct pipe_context *pipe = ctx->pipe; + + assert(tex_target < PIPE_MAX_TEXTURE_TYPES); + + /* Create the fragment shader on-demand. */ + if (!ctx->fs_texfetch_col[tex_target]) { + switch (tex_target) { + case PIPE_TEXTURE_1D: + ctx->fs_texfetch_col[PIPE_TEXTURE_1D] = + util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_1D); + break; + case PIPE_TEXTURE_2D: + ctx->fs_texfetch_col[PIPE_TEXTURE_2D] = + util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_2D); + break; + case PIPE_TEXTURE_3D: + ctx->fs_texfetch_col[PIPE_TEXTURE_3D] = + util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_3D); + break; + case PIPE_TEXTURE_CUBE: + ctx->fs_texfetch_col[PIPE_TEXTURE_CUBE] = + util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_CUBE); + break; + default:; + } + } + + return ctx->fs_texfetch_col[tex_target]; +} + +static INLINE +void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, + unsigned tex_target) +{ + struct pipe_context *pipe = ctx->pipe; + + assert(tex_target < PIPE_MAX_TEXTURE_TYPES); + + /* Create the fragment shader on-demand. */ + if (!ctx->fs_texfetch_depth[tex_target]) { + switch (tex_target) { + case PIPE_TEXTURE_1D: + ctx->fs_texfetch_depth[PIPE_TEXTURE_1D] = + util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_1D); + break; + case PIPE_TEXTURE_2D: + ctx->fs_texfetch_depth[PIPE_TEXTURE_2D] = + util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_2D); + break; + case PIPE_TEXTURE_3D: + ctx->fs_texfetch_depth[PIPE_TEXTURE_3D] = + util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_3D); + break; + case PIPE_TEXTURE_CUBE: + ctx->fs_texfetch_depth[PIPE_TEXTURE_CUBE] = + util_make_fragment_tex_shader_writedepth(pipe,TGSI_TEXTURE_CUBE); + break; + default:; + } + } + + return ctx->fs_texfetch_depth[tex_target]; +} + +void util_blitter_clear(struct blitter_context *blitter, + unsigned width, unsigned height, + unsigned num_cbufs, + unsigned clear_buffers, + const float *rgba, + double depth, unsigned stencil) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + struct pipe_context *pipe = ctx->pipe; + + assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); + + blitter_check_saved_CSOs(ctx); + + /* bind CSOs */ + if (clear_buffers & PIPE_CLEAR_COLOR) + pipe->bind_blend_state(pipe, ctx->blend_write_color); + else + pipe->bind_blend_state(pipe, ctx->blend_keep_color); + + if (clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) + pipe->bind_depth_stencil_alpha_state(pipe, + blitter_get_state_write_depth_stencil(ctx, stencil)); + else + pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); + + pipe->bind_rasterizer_state(pipe, ctx->rs_state); + pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, num_cbufs)); + pipe->bind_vs_state(pipe, ctx->vs_col); + + blitter_set_clear_color(ctx, rgba); + blitter_set_rectangle(ctx, 0, 0, width, height, depth); + blitter_draw_quad(ctx); + blitter_restore_CSOs(ctx); +} + +void util_blitter_copy(struct blitter_context *blitter, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + struct pipe_surface *src, + unsigned srcx, unsigned srcy, + unsigned width, unsigned height, + boolean ignore_stencil) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + struct pipe_context *pipe = ctx->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_framebuffer_state fb_state; + boolean is_stencil, is_depth; + unsigned dst_tex_usage; + + /* give up if textures are not set */ + assert(dst->texture && src->texture); + if (!dst->texture || !src->texture) + return; + + is_depth = pf_get_component_bits(src->format, PIPE_FORMAT_COMP_Z) != 0; + is_stencil = pf_get_component_bits(src->format, PIPE_FORMAT_COMP_S) != 0; + dst_tex_usage = is_depth || is_stencil ? PIPE_TEXTURE_USAGE_DEPTH_STENCIL : + PIPE_TEXTURE_USAGE_RENDER_TARGET; + + /* check if we can sample from and render to the surfaces */ + /* (assuming copying a stencil buffer is not possible) */ + if ((!ignore_stencil && is_stencil) || + !screen->is_format_supported(screen, dst->format, dst->texture->target, + dst_tex_usage, 0) || + !screen->is_format_supported(screen, src->format, src->texture->target, + PIPE_TEXTURE_USAGE_SAMPLER, 0)) { + util_surface_copy(pipe, FALSE, dst, dstx, dsty, src, srcx, srcy, + width, height); + return; + } + + /* check whether the states are properly saved */ + blitter_check_saved_CSOs(ctx); + assert(blitter->saved_fb_state.nr_cbufs != ~0); + assert(blitter->saved_num_textures != ~0); + assert(blitter->saved_num_sampler_states != ~0); + assert(src->texture->target < PIPE_MAX_TEXTURE_TYPES); + + /* bind CSOs */ + fb_state.width = dst->width; + fb_state.height = dst->height; + + if (is_depth) { + pipe->bind_blend_state(pipe, ctx->blend_keep_color); + pipe->bind_depth_stencil_alpha_state(pipe, + ctx->dsa_write_depth_keep_stencil); + pipe->bind_fs_state(pipe, + blitter_get_fs_texfetch_depth(ctx, src->texture->target)); + + fb_state.nr_cbufs = 0; + fb_state.zsbuf = dst; + } else { + pipe->bind_blend_state(pipe, ctx->blend_write_color); + pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); + pipe->bind_fs_state(pipe, + blitter_get_fs_texfetch_col(ctx, src->texture->target)); + + fb_state.nr_cbufs = 1; + fb_state.cbufs[0] = dst; + fb_state.zsbuf = 0; + } + + 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, src->level)); + pipe->set_fragment_sampler_textures(pipe, 1, &src->texture); + pipe->set_framebuffer_state(pipe, &fb_state); + + /* set texture coordinates */ + switch (src->texture->target) { + case PIPE_TEXTURE_1D: + case PIPE_TEXTURE_2D: + blitter_set_texcoords_2d(ctx, src, srcx, srcy, + srcx+width, srcy+height); + break; + case PIPE_TEXTURE_3D: + blitter_set_texcoords_3d(ctx, src, srcx, srcy, + srcx+width, srcy+height); + break; + case PIPE_TEXTURE_CUBE: + blitter_set_texcoords_cube(ctx, src, srcx, srcy, + srcx+width, srcy+height); + break; + default: + assert(0); + } + + blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, 0); + blitter_draw_quad(ctx); + blitter_restore_CSOs(ctx); +} + +void util_blitter_fill(struct blitter_context *blitter, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height, + unsigned value) +{ + struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; + struct pipe_context *pipe = ctx->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_framebuffer_state fb_state; + float rgba[4]; + ubyte ub_rgba[4] = {0}; + union util_color color; + int i; + + assert(dst->texture); + if (!dst->texture) + return; + + /* check if we can render to the surface */ + if (pf_is_depth_or_stencil(dst->format) || /* unlikely, but you never know */ + !screen->is_format_supported(screen, dst->format, dst->texture->target, + PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) { + util_surface_fill(pipe, dst, dstx, dsty, width, height, value); + return; + } + + /* unpack the color */ + color.ui = value; + util_unpack_color_ub(dst->format, &color, + ub_rgba, ub_rgba+1, ub_rgba+2, ub_rgba+3); + for (i = 0; i < 4; i++) + rgba[i] = ubyte_to_float(ub_rgba[i]); + + /* check the saved state */ + blitter_check_saved_CSOs(ctx); + assert(blitter->saved_fb_state.nr_cbufs != ~0); + + /* bind CSOs */ + pipe->bind_blend_state(pipe, ctx->blend_write_color); + pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); + pipe->bind_rasterizer_state(pipe, ctx->rs_state); + pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1)); + pipe->bind_vs_state(pipe, ctx->vs_col); + + /* set a framebuffer state */ + fb_state.width = dst->width; + fb_state.height = dst->height; + fb_state.nr_cbufs = 1; + fb_state.cbufs[0] = dst; + fb_state.zsbuf = 0; + pipe->set_framebuffer_state(pipe, &fb_state); + + blitter_set_clear_color(ctx, rgba); + blitter_set_rectangle(ctx, 0, 0, width, height, 0); + blitter_draw_quad(ctx); + blitter_restore_CSOs(ctx); +} diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h new file mode 100644 index 0000000000..3da5a6ca52 --- /dev/null +++ b/src/gallium/auxiliary/util/u_blitter.h @@ -0,0 +1,230 @@ +/************************************************************************** + * + * Copyright 2009 Marek Olšák <maraeo@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef U_BLITTER_H +#define U_BLITTER_H + +#include "util/u_memory.h" + +#include "pipe/p_state.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +struct pipe_context; + +struct blitter_context +{ + /* Private members, really. */ + void *saved_blend_state; /**< blend state */ + void *saved_dsa_state; /**< depth stencil alpha state */ + void *saved_rs_state; /**< rasterizer state */ + void *saved_fs, *saved_vs; /**< fragment shader, vertex shader */ + + struct pipe_framebuffer_state saved_fb_state; /**< framebuffer state */ + + int saved_num_sampler_states; + void *saved_sampler_states[32]; + + int saved_num_textures; + struct pipe_texture *saved_textures[32]; /* is 32 enough? */ +}; + +/** + * Create a blitter context. + */ +struct blitter_context *util_blitter_create(struct pipe_context *pipe); + +/** + * Destroy a blitter context. + */ +void util_blitter_destroy(struct blitter_context *blitter); + +/* + * These CSOs must be saved before any of the following functions is called: + * - blend state + * - depth stencil alpha state + * - rasterizer state + * - vertex shader + * - fragment shader + */ + +/** + * Clear a specified set of currently bound buffers to specified values. + */ +void util_blitter_clear(struct blitter_context *blitter, + unsigned width, unsigned height, + unsigned num_cbufs, + unsigned clear_buffers, + const float *rgba, + double depth, unsigned stencil); + +/** + * Copy a block of pixels from one surface to another. + * + * You can copy from any color format to any other color format provided + * the former can be sampled and the latter can be rendered to. Otherwise, + * a software fallback path is taken and both surfaces must be of the same + * format. + * + * The same holds for depth-stencil formats with the exception that stencil + * cannot be copied unless you set ignore_stencil to FALSE. In that case, + * a software fallback path is taken and both surfaces must be of the same + * format. + * + * Use pipe_screen->is_format_supported to know your options. + * + * These states must be saved in the blitter in addition to the state objects + * already required to be saved: + * - framebuffer state + * - fragment sampler states + * - fragment sampler textures + */ +void util_blitter_copy(struct blitter_context *blitter, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + struct pipe_surface *src, + unsigned srcx, unsigned srcy, + unsigned width, unsigned height, + boolean ignore_stencil); + +/** + * Fill a region of a surface with a constant value. + * + * If the surface cannot be rendered to or it's a depth-stencil format, + * a software fallback path is taken. + * + * These states must be saved in the blitter in addition to the state objects + * already required to be saved: + * - framebuffer state + */ +void util_blitter_fill(struct blitter_context *blitter, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height, + unsigned value); + +/** + * Copy all pixels from one surface to another. + * + * The rules are the same as in util_blitter_copy with the addition that + * surfaces must have the same size. + */ +static INLINE +void util_blitter_copy_surface(struct blitter_context *blitter, + struct pipe_surface *dst, + struct pipe_surface *src, + boolean ignore_stencil) +{ + assert(dst->width == src->width && dst->height == src->height); + + util_blitter_copy(blitter, dst, 0, 0, src, 0, 0, src->width, src->height, + ignore_stencil); +} + + +/* The functions below should be used to save currently bound constant state + * objects inside a driver. The objects are automatically restored at the end + * of the util_blitter_{clear, fill, copy, copy_surface} functions and then + * forgotten. + * + * CSOs not listed here are not affected by util_blitter. */ + +static INLINE +void util_blitter_save_blend(struct blitter_context *blitter, + void *state) +{ + blitter->saved_blend_state = state; +} + +static INLINE +void util_blitter_save_depth_stencil_alpha(struct blitter_context *blitter, + void *state) +{ + blitter->saved_dsa_state = state; +} + +static INLINE +void util_blitter_save_rasterizer(struct blitter_context *blitter, + void *state) +{ + blitter->saved_rs_state = state; +} + +static INLINE +void util_blitter_save_fragment_shader(struct blitter_context *blitter, + void *fs) +{ + blitter->saved_fs = fs; +} + +static INLINE +void util_blitter_save_vertex_shader(struct blitter_context *blitter, + void *vs) +{ + blitter->saved_vs = vs; +} + +static INLINE +void util_blitter_save_framebuffer(struct blitter_context *blitter, + struct pipe_framebuffer_state *state) +{ + blitter->saved_fb_state = *state; +} + +static INLINE +void util_blitter_save_fragment_sampler_states( + struct blitter_context *blitter, + int num_sampler_states, + void **sampler_states) +{ + assert(num_sampler_states <= Elements(blitter->saved_sampler_states)); + + blitter->saved_num_sampler_states = num_sampler_states; + memcpy(blitter->saved_sampler_states, sampler_states, + num_sampler_states * sizeof(void *)); +} + +static INLINE +void util_blitter_save_fragment_sampler_textures( + struct blitter_context *blitter, + int num_textures, + struct pipe_texture **textures) +{ + assert(num_textures <= Elements(blitter->saved_textures)); + + blitter->saved_num_textures = num_textures; + memcpy(blitter->saved_textures, textures, + num_textures * sizeof(struct pipe_texture *)); +} + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/gallium/auxiliary/util/u_dl.c b/src/gallium/auxiliary/util/u_dl.c new file mode 100644 index 0000000000..b42b429d4d --- /dev/null +++ b/src/gallium/auxiliary/util/u_dl.c @@ -0,0 +1,79 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * Copyright 1999-2008 Brian Paul + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + **************************************************************************/ + + +#include "pipe/p_config.h" + +#if defined(PIPE_OS_UNIX) +#include <dlfcn.h> +#endif +#if defined(PIPE_OS_WINDOWS) +#include <windows.h> +#endif + +#include "u_dl.h" + + +struct util_dl_library * +util_dl_open(const char *filename) +{ +#if defined(PIPE_OS_UNIX) + return (struct util_dl_library *)dlopen(filename, RTLD_LAZY | RTLD_GLOBAL); +#elif defined(PIPE_OS_WINDOWS) + return (struct util_dl_library *)LoadLibraryA(filename); +#else + return NULL; +#endif +} + + +util_dl_proc +util_dl_get_proc_address(struct util_dl_library *library, + const char *procname) +{ +#if defined(PIPE_OS_UNIX) + return (util_dl_proc)dlsym((void *)library, procname); +#elif defined(PIPE_OS_WINDOWS) + return (util_dl_proc)GetProcAddress((HMODULE)library, procname); +#else + return (util_dl_proc)NULL; +#endif +} + + +void +util_dl_close(struct util_dl_library *library) +{ +#if defined(PIPE_OS_UNIX) + dlclose((void *)library); +#elif defined(PIPE_OS_WINDOWS) + FreeLibrary((HMODULE)library); +#else + (void)library; +#endif +} diff --git a/src/gallium/auxiliary/util/u_dl.h b/src/gallium/auxiliary/util/u_dl.h new file mode 100644 index 0000000000..018b38543b --- /dev/null +++ b/src/gallium/auxiliary/util/u_dl.h @@ -0,0 +1,61 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + **************************************************************************/ + + +#ifndef U_DL_H_ +#define U_DL_H_ + + +struct util_dl_library; + + +typedef void (*util_dl_proc)(void); + + +/** + * Open a library dynamically. + */ +struct util_dl_library * +util_dl_open(const char *filename); + + +/** + * Lookup a function in a library. + */ +util_dl_proc +util_dl_get_proc_address(struct util_dl_library *library, + const char *procname); + + +/** + * Close a library. + */ +void +util_dl_close(struct util_dl_library *library); + + +#endif /* U_DL_H_ */ diff --git a/src/gallium/auxiliary/util/u_format_access.py b/src/gallium/auxiliary/util/u_format_access.py index eeb1a9657f..0b05ddb931 100644 --- a/src/gallium/auxiliary/util/u_format_access.py +++ b/src/gallium/auxiliary/util/u_format_access.py @@ -325,14 +325,14 @@ def generate_format_read(format, dst_type, dst_native_type, dst_suffix): elif swizzle == SWIZZLE_0: value = '0' elif swizzle == SWIZZLE_1: - value = '1' + value = get_one(dst_type) else: assert False elif format.colorspace == 'zs': if i < 3: value = 'z' else: - value = '1' + value = get_one(dst_type) else: assert False print ' *dst_pixel++ = %s; /* %s */' % (value, 'rgba'[i]) diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c index 83263d9fe6..69ff3b9dd9 100644 --- a/src/gallium/auxiliary/util/u_gen_mipmap.c +++ b/src/gallium/auxiliary/util/u_gen_mipmap.c @@ -46,6 +46,7 @@ #include "util/u_gen_mipmap.h" #include "util/u_simple_shaders.h" #include "util/u_math.h" +#include "util/u_texture.h" #include "cso_cache/cso_context.h" @@ -1317,7 +1318,7 @@ util_create_gen_mipmap(struct pipe_context *pipe, } /* fragment shader */ - ctx->fs = util_make_fragment_tex_shader(pipe); + ctx->fs = util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_2D); /* vertex data that doesn't change */ for (i = 0; i < 4; i++) { @@ -1383,59 +1384,9 @@ set_vertex_data(struct gen_mipmap_state *ctx, static const float st[4][2] = { {0.0f, 0.0f}, {1.0f, 0.0f}, {1.0f, 1.0f}, {0.0f, 1.0f} }; - float rx, ry, rz; - uint i; - - /* loop over quad verts */ - for (i = 0; i < 4; i++) { - /* Compute sc = +/-scale and tc = +/-scale. - * Not +/-1 to avoid cube face selection ambiguity near the edges, - * though that can still sometimes happen with this scale factor... - */ - const float scale = 0.9999f; - const float sc = (2.0f * st[i][0] - 1.0f) * scale; - const float tc = (2.0f * st[i][1] - 1.0f) * scale; - - switch (face) { - case PIPE_TEX_FACE_POS_X: - rx = 1.0f; - ry = -tc; - rz = -sc; - break; - case PIPE_TEX_FACE_NEG_X: - rx = -1.0f; - ry = -tc; - rz = sc; - break; - case PIPE_TEX_FACE_POS_Y: - rx = sc; - ry = 1.0f; - rz = tc; - break; - case PIPE_TEX_FACE_NEG_Y: - rx = sc; - ry = -1.0f; - rz = -tc; - break; - case PIPE_TEX_FACE_POS_Z: - rx = sc; - ry = -tc; - rz = 1.0f; - break; - case PIPE_TEX_FACE_NEG_Z: - rx = -sc; - ry = -tc; - rz = -1.0f; - break; - default: - rx = ry = rz = 0.0f; - assert(0); - } - ctx->vertices[i][1][0] = rx; /*s*/ - ctx->vertices[i][1][1] = ry; /*t*/ - ctx->vertices[i][1][2] = rz; /*r*/ - } + util_map_texcoords2d_onto_cubemap(face, &st[0][0], 2, + &ctx->vertices[0][1][0], 8); } else { /* 1D/2D */ diff --git a/src/gallium/auxiliary/util/u_simple_shaders.c b/src/gallium/auxiliary/util/u_simple_shaders.c index 1c8b157d91..8172ead020 100644 --- a/src/gallium/auxiliary/util/u_simple_shaders.c +++ b/src/gallium/auxiliary/util/u_simple_shaders.c @@ -2,6 +2,7 @@ * * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. + * Copyright 2009 Marek Olšák <maraeo@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the @@ -30,6 +31,7 @@ * Simple vertex/fragment shader generators. * * @author Brian Paul + Marek Olšák */ @@ -87,6 +89,7 @@ util_make_vertex_passthrough_shader(struct pipe_context *pipe, */ void * util_make_fragment_tex_shader_writemask(struct pipe_context *pipe, + unsigned tex_target, unsigned writemask ) { struct ureg_program *ureg; @@ -116,20 +119,63 @@ util_make_fragment_tex_shader_writemask(struct pipe_context *pipe, ureg_TEX( ureg, ureg_writemask(out, writemask), - TGSI_TEXTURE_2D, tex, sampler ); + tex_target, tex, sampler ); ureg_END( ureg ); return ureg_create_shader_and_destroy( ureg, pipe ); } void * -util_make_fragment_tex_shader(struct pipe_context *pipe ) +util_make_fragment_tex_shader(struct pipe_context *pipe, unsigned tex_target ) { return util_make_fragment_tex_shader_writemask( pipe, + tex_target, TGSI_WRITEMASK_XYZW ); } +/** + * Make a simple fragment texture shader which reads an X component from + * a texture and writes it as depth. + */ +void * +util_make_fragment_tex_shader_writedepth(struct pipe_context *pipe, + unsigned tex_target) +{ + struct ureg_program *ureg; + struct ureg_src sampler; + struct ureg_src tex; + struct ureg_dst out, depth; + struct ureg_src imm; + ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT ); + if (ureg == NULL) + return NULL; + + sampler = ureg_DECL_sampler( ureg, 0 ); + + tex = ureg_DECL_fs_input( ureg, + TGSI_SEMANTIC_GENERIC, 0, + TGSI_INTERPOLATE_PERSPECTIVE ); + + out = ureg_DECL_output( ureg, + TGSI_SEMANTIC_COLOR, + 0 ); + + depth = ureg_DECL_output( ureg, + TGSI_SEMANTIC_POSITION, + 0 ); + + imm = ureg_imm4f( ureg, 0, 0, 0, 1 ); + + ureg_MOV( ureg, out, imm ); + + ureg_TEX( ureg, + ureg_writemask(depth, TGSI_WRITEMASK_Z), + tex_target, tex, sampler ); + ureg_END( ureg ); + + return ureg_create_shader_and_destroy( ureg, pipe ); +} /** * Make simple fragment color pass-through shader. @@ -137,9 +183,18 @@ util_make_fragment_tex_shader(struct pipe_context *pipe ) void * util_make_fragment_passthrough_shader(struct pipe_context *pipe) { + return util_make_fragment_clonecolor_shader(pipe, 1); +} + +void * +util_make_fragment_clonecolor_shader(struct pipe_context *pipe, int num_cbufs) +{ struct ureg_program *ureg; struct ureg_src src; - struct ureg_dst dst; + struct ureg_dst dst[8]; + int i; + + assert(num_cbufs <= 8); ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT ); if (ureg == NULL) @@ -148,12 +203,13 @@ util_make_fragment_passthrough_shader(struct pipe_context *pipe) src = ureg_DECL_fs_input( ureg, TGSI_SEMANTIC_COLOR, 0, TGSI_INTERPOLATE_PERSPECTIVE ); - dst = ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, 0 ); + for (i = 0; i < num_cbufs; i++) + dst[i] = ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, i ); + + for (i = 0; i < num_cbufs; i++) + ureg_MOV( ureg, dst[i], src ); - ureg_MOV( ureg, dst, src ); ureg_END( ureg ); return ureg_create_shader_and_destroy( ureg, pipe ); } - - diff --git a/src/gallium/auxiliary/util/u_simple_shaders.h b/src/gallium/auxiliary/util/u_simple_shaders.h index d2e80d6eb4..6e760942e2 100644 --- a/src/gallium/auxiliary/util/u_simple_shaders.h +++ b/src/gallium/auxiliary/util/u_simple_shaders.h @@ -51,16 +51,25 @@ util_make_vertex_passthrough_shader(struct pipe_context *pipe, extern void * util_make_fragment_tex_shader_writemask(struct pipe_context *pipe, - unsigned writemask ); + unsigned tex_target, + unsigned writemask); extern void * -util_make_fragment_tex_shader(struct pipe_context *pipe); +util_make_fragment_tex_shader(struct pipe_context *pipe, unsigned tex_target); + + +extern void * +util_make_fragment_tex_shader_writedepth(struct pipe_context *pipe, + unsigned tex_target); extern void * util_make_fragment_passthrough_shader(struct pipe_context *pipe); +extern void * +util_make_fragment_clonecolor_shader(struct pipe_context *pipe, int num_cbufs); + #ifdef __cplusplus } #endif diff --git a/src/gallium/auxiliary/util/u_texture.c b/src/gallium/auxiliary/util/u_texture.c new file mode 100644 index 0000000000..cd477ab640 --- /dev/null +++ b/src/gallium/auxiliary/util/u_texture.c @@ -0,0 +1,102 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * Copyright 2008 VMware, Inc. All rights reserved. + * Copyright 2009 Marek Olšák <maraeo@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * Texture mapping utility functions. + * + * @author Brian Paul + * Marek Olšák + */ + +#include "pipe/p_defines.h" + +#include "util/u_texture.h" + +void util_map_texcoords2d_onto_cubemap(unsigned face, + const float *in_st, unsigned in_stride, + float *out_str, unsigned out_stride) +{ + int i; + float rx, ry, rz; + + /* loop over quad verts */ + for (i = 0; i < 4; i++) { + /* Compute sc = +/-scale and tc = +/-scale. + * Not +/-1 to avoid cube face selection ambiguity near the edges, + * though that can still sometimes happen with this scale factor... + */ + const float scale = 0.9999f; + const float sc = (2 * in_st[0] - 1) * scale; + const float tc = (2 * in_st[1] - 1) * scale; + + switch (face) { + case PIPE_TEX_FACE_POS_X: + rx = 1; + ry = -tc; + rz = -sc; + break; + case PIPE_TEX_FACE_NEG_X: + rx = -1; + ry = -tc; + rz = sc; + break; + case PIPE_TEX_FACE_POS_Y: + rx = sc; + ry = 1; + rz = tc; + break; + case PIPE_TEX_FACE_NEG_Y: + rx = sc; + ry = -1; + rz = -tc; + break; + case PIPE_TEX_FACE_POS_Z: + rx = sc; + ry = -tc; + rz = 1; + break; + case PIPE_TEX_FACE_NEG_Z: + rx = -sc; + ry = -tc; + rz = -1; + break; + default: + rx = ry = rz = 0; + assert(0); + } + + out_str[0] = rx; /*s*/ + out_str[1] = ry; /*t*/ + out_str[2] = rz; /*r*/ + + in_st += in_stride; + out_str += out_stride; + } +} diff --git a/src/gallium/auxiliary/util/u_texture.h b/src/gallium/auxiliary/util/u_texture.h new file mode 100644 index 0000000000..93b2f1e4c9 --- /dev/null +++ b/src/gallium/auxiliary/util/u_texture.h @@ -0,0 +1,54 @@ +/************************************************************************** + * + * Copyright 2009 Marek Olšák <maraeo@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef U_TEXTURE_H +#define U_TEXTURE_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * Convert 2D texture coordinates of 4 vertices into cubemap coordinates + * in the given face. + * Coordinates must be in the range [0,1]. + * + * \param face Cubemap face. + * \param in_st 4 pairs of 2D texture coordinates to convert. + * \param in_stride Stride of in_st in floats. + * \param out_str STR cubemap texture coordinates to compute. + * \param out_stride Stride of out_str in floats. + */ +void util_map_texcoords2d_onto_cubemap(unsigned face, + const float *in_st, unsigned in_stride, + float *out_str, unsigned out_stride); + + +#ifdef __cplusplus +} +#endif + +#endif |