| /************************************************************************** |
| * |
| * Copyright 2007 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 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 VMWARE 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. |
| * |
| **************************************************************************/ |
| |
| #include <stdio.h> |
| |
| #include "st_context.h" |
| #include "st_format.h" |
| #include "st_texture.h" |
| #include "st_cb_fbo.h" |
| #include "main/enums.h" |
| |
| #include "pipe/p_state.h" |
| #include "pipe/p_context.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_inlines.h" |
| #include "util/format/u_format.h" |
| #include "util/u_rect.h" |
| #include "util/u_math.h" |
| #include "util/u_memory.h" |
| #include "tgsi/tgsi_from_mesa.h" |
| |
| |
| #define DBG if(0) printf |
| |
| |
| /** |
| * Allocate a new pipe_resource object |
| * width0, height0, depth0 are the dimensions of the level 0 image |
| * (the highest resolution). last_level indicates how many mipmap levels |
| * to allocate storage for. For non-mipmapped textures, this will be zero. |
| */ |
| struct pipe_resource * |
| st_texture_create(struct st_context *st, |
| enum pipe_texture_target target, |
| enum pipe_format format, |
| GLuint last_level, |
| GLuint width0, |
| GLuint height0, |
| GLuint depth0, |
| GLuint layers, |
| GLuint nr_samples, |
| GLuint bind) |
| { |
| struct pipe_resource pt, *newtex; |
| struct pipe_screen *screen = st->pipe->screen; |
| |
| assert(target < PIPE_MAX_TEXTURE_TYPES); |
| assert(width0 > 0); |
| assert(height0 > 0); |
| assert(depth0 > 0); |
| if (target == PIPE_TEXTURE_CUBE) |
| assert(layers == 6); |
| |
| DBG("%s target %d format %s last_level %d\n", __func__, |
| (int) target, util_format_name(format), last_level); |
| |
| assert(format); |
| assert(screen->is_format_supported(screen, format, target, 0, 0, |
| PIPE_BIND_SAMPLER_VIEW)); |
| |
| memset(&pt, 0, sizeof(pt)); |
| pt.target = target; |
| pt.format = format; |
| pt.last_level = last_level; |
| pt.width0 = width0; |
| pt.height0 = height0; |
| pt.depth0 = depth0; |
| pt.array_size = layers; |
| pt.usage = PIPE_USAGE_DEFAULT; |
| pt.bind = bind; |
| /* only set this for OpenGL textures, not renderbuffers */ |
| pt.flags = PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY; |
| pt.nr_samples = nr_samples; |
| pt.nr_storage_samples = nr_samples; |
| |
| newtex = screen->resource_create(screen, &pt); |
| |
| assert(!newtex || pipe_is_referenced(&newtex->reference)); |
| |
| return newtex; |
| } |
| |
| |
| /** |
| * In OpenGL the number of 1D array texture layers is the "height" and |
| * the number of 2D array texture layers is the "depth". In Gallium the |
| * number of layers in an array texture is a separate 'array_size' field. |
| * This function converts dimensions from the former to the later. |
| */ |
| void |
| st_gl_texture_dims_to_pipe_dims(GLenum texture, |
| unsigned widthIn, |
| uint16_t heightIn, |
| uint16_t depthIn, |
| unsigned *widthOut, |
| uint16_t *heightOut, |
| uint16_t *depthOut, |
| uint16_t *layersOut) |
| { |
| switch (texture) { |
| case GL_TEXTURE_1D: |
| case GL_PROXY_TEXTURE_1D: |
| assert(heightIn == 1); |
| assert(depthIn == 1); |
| *widthOut = widthIn; |
| *heightOut = 1; |
| *depthOut = 1; |
| *layersOut = 1; |
| break; |
| case GL_TEXTURE_1D_ARRAY: |
| case GL_PROXY_TEXTURE_1D_ARRAY: |
| assert(depthIn == 1); |
| *widthOut = widthIn; |
| *heightOut = 1; |
| *depthOut = 1; |
| *layersOut = heightIn; |
| break; |
| case GL_TEXTURE_2D: |
| case GL_PROXY_TEXTURE_2D: |
| case GL_TEXTURE_RECTANGLE: |
| case GL_PROXY_TEXTURE_RECTANGLE: |
| case GL_TEXTURE_EXTERNAL_OES: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE: |
| case GL_TEXTURE_2D_MULTISAMPLE: |
| assert(depthIn == 1); |
| *widthOut = widthIn; |
| *heightOut = heightIn; |
| *depthOut = 1; |
| *layersOut = 1; |
| break; |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_PROXY_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_X: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: |
| case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: |
| case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: |
| assert(depthIn == 1); |
| *widthOut = widthIn; |
| *heightOut = heightIn; |
| *depthOut = 1; |
| *layersOut = 6; |
| break; |
| case GL_TEXTURE_2D_ARRAY: |
| case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| case GL_PROXY_TEXTURE_2D_ARRAY: |
| case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: |
| *widthOut = widthIn; |
| *heightOut = heightIn; |
| *depthOut = 1; |
| *layersOut = depthIn; |
| break; |
| case GL_TEXTURE_CUBE_MAP_ARRAY: |
| case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: |
| *widthOut = widthIn; |
| *heightOut = heightIn; |
| *depthOut = 1; |
| *layersOut = util_align_npot(depthIn, 6); |
| break; |
| default: |
| assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()"); |
| /* fall-through */ |
| case GL_TEXTURE_3D: |
| case GL_PROXY_TEXTURE_3D: |
| *widthOut = widthIn; |
| *heightOut = heightIn; |
| *depthOut = depthIn; |
| *layersOut = 1; |
| break; |
| } |
| } |
| |
| |
| /** |
| * Check if a texture image can be pulled into a unified mipmap texture. |
| */ |
| GLboolean |
| st_texture_match_image(struct st_context *st, |
| const struct pipe_resource *pt, |
| const struct gl_texture_image *image) |
| { |
| unsigned ptWidth; |
| uint16_t ptHeight, ptDepth, ptLayers; |
| |
| /* Images with borders are never pulled into mipmap textures. |
| */ |
| if (image->Border) |
| return GL_FALSE; |
| |
| /* Check if this image's format matches the established texture's format. |
| */ |
| if (st_mesa_format_to_pipe_format(st, image->TexFormat) != pt->format) |
| return GL_FALSE; |
| |
| st_gl_texture_dims_to_pipe_dims(image->TexObject->Target, |
| image->Width, image->Height, image->Depth, |
| &ptWidth, &ptHeight, &ptDepth, &ptLayers); |
| |
| /* Test if this image's size matches what's expected in the |
| * established texture. |
| */ |
| if (ptWidth != u_minify(pt->width0, image->Level) || |
| ptHeight != u_minify(pt->height0, image->Level) || |
| ptDepth != u_minify(pt->depth0, image->Level) || |
| ptLayers != pt->array_size) |
| return GL_FALSE; |
| |
| if (image->Level > pt->last_level) |
| return GL_FALSE; |
| |
| return GL_TRUE; |
| } |
| |
| |
| /** |
| * Map a texture image and return the address for a particular 2D face/slice/ |
| * layer. The stImage indicates the cube face and mipmap level. The slice |
| * of the 3D texture is passed in 'zoffset'. |
| * \param usage one of the PIPE_MAP_x values |
| * \param x, y, w, h the region of interest of the 2D image. |
| * \return address of mapping or NULL if any error |
| */ |
| GLubyte * |
| st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, |
| enum pipe_transfer_usage usage, |
| GLuint x, GLuint y, GLuint z, |
| GLuint w, GLuint h, GLuint d, |
| struct pipe_transfer **transfer) |
| { |
| struct st_texture_object *stObj = |
| st_texture_object(stImage->base.TexObject); |
| GLuint level; |
| void *map; |
| |
| DBG("%s \n", __func__); |
| |
| if (!stImage->pt) |
| return NULL; |
| |
| if (stObj->pt != stImage->pt) |
| level = 0; |
| else |
| level = stImage->base.Level; |
| |
| if (stObj->base.Immutable) { |
| level += stObj->base.MinLevel; |
| z += stObj->base.MinLayer; |
| if (stObj->pt->array_size > 1) |
| d = MIN2(d, stObj->base.NumLayers); |
| } |
| |
| z += stImage->base.Face; |
| |
| map = pipe_transfer_map_3d(st->pipe, stImage->pt, level, usage, |
| x, y, z, w, h, d, transfer); |
| if (map) { |
| /* Enlarge the transfer array if it's not large enough. */ |
| if (z >= stImage->num_transfers) { |
| unsigned new_size = z + 1; |
| |
| stImage->transfer = realloc(stImage->transfer, |
| new_size * sizeof(struct st_texture_image_transfer)); |
| memset(&stImage->transfer[stImage->num_transfers], 0, |
| (new_size - stImage->num_transfers) * |
| sizeof(struct st_texture_image_transfer)); |
| stImage->num_transfers = new_size; |
| } |
| |
| assert(!stImage->transfer[z].transfer); |
| stImage->transfer[z].transfer = *transfer; |
| } |
| return map; |
| } |
| |
| |
| void |
| st_texture_image_unmap(struct st_context *st, |
| struct st_texture_image *stImage, unsigned slice) |
| { |
| struct pipe_context *pipe = st->pipe; |
| struct st_texture_object *stObj = |
| st_texture_object(stImage->base.TexObject); |
| struct pipe_transfer **transfer; |
| |
| if (stObj->base.Immutable) |
| slice += stObj->base.MinLayer; |
| transfer = &stImage->transfer[slice + stImage->base.Face].transfer; |
| |
| DBG("%s\n", __func__); |
| |
| pipe_transfer_unmap(pipe, *transfer); |
| *transfer = NULL; |
| } |
| |
| |
| /** |
| * For debug only: get/print center pixel in the src resource. |
| */ |
| static void |
| print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src) |
| { |
| struct pipe_transfer *xfer; |
| struct pipe_box region; |
| ubyte *map; |
| |
| region.x = src->width0 / 2; |
| region.y = src->height0 / 2; |
| region.z = 0; |
| region.width = 1; |
| region.height = 1; |
| region.depth = 1; |
| |
| map = pipe->transfer_map(pipe, src, 0, PIPE_MAP_READ, ®ion, &xfer); |
| |
| printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]); |
| |
| pipe->transfer_unmap(pipe, xfer); |
| } |
| |
| |
| /** |
| * Copy the image at level=0 in 'src' to the 'dst' resource at 'dstLevel'. |
| * This is used to copy mipmap images from one texture buffer to another. |
| * This typically happens when our initial guess at the total texture size |
| * is incorrect (see the guess_and_alloc_texture() function). |
| */ |
| void |
| st_texture_image_copy(struct pipe_context *pipe, |
| struct pipe_resource *dst, GLuint dstLevel, |
| struct pipe_resource *src, GLuint srcLevel, |
| GLuint face) |
| { |
| GLuint width = u_minify(dst->width0, dstLevel); |
| GLuint height = u_minify(dst->height0, dstLevel); |
| GLuint depth = u_minify(dst->depth0, dstLevel); |
| struct pipe_box src_box; |
| GLuint i; |
| |
| if (u_minify(src->width0, srcLevel) != width || |
| u_minify(src->height0, srcLevel) != height || |
| u_minify(src->depth0, srcLevel) != depth) { |
| /* The source image size doesn't match the destination image size. |
| * This can happen in some degenerate situations such as rendering to a |
| * cube map face which was set up with mismatched texture sizes. |
| */ |
| return; |
| } |
| |
| src_box.x = 0; |
| src_box.y = 0; |
| src_box.width = width; |
| src_box.height = height; |
| src_box.depth = 1; |
| |
| if (src->target == PIPE_TEXTURE_1D_ARRAY || |
| src->target == PIPE_TEXTURE_2D_ARRAY || |
| src->target == PIPE_TEXTURE_CUBE_ARRAY) { |
| face = 0; |
| depth = src->array_size; |
| } |
| |
| /* Loop over 3D image slices */ |
| /* could (and probably should) use "true" 3d box here - |
| but drivers can't quite handle it yet */ |
| for (i = face; i < face + depth; i++) { |
| src_box.z = i; |
| |
| if (0) { |
| print_center_pixel(pipe, src); |
| } |
| |
| pipe->resource_copy_region(pipe, |
| dst, |
| dstLevel, |
| 0, 0, i,/* destX, Y, Z */ |
| src, |
| srcLevel, |
| &src_box); |
| } |
| } |
| |
| |
| struct pipe_resource * |
| st_create_color_map_texture(struct gl_context *ctx) |
| { |
| struct st_context *st = st_context(ctx); |
| struct pipe_resource *pt; |
| enum pipe_format format; |
| const uint texSize = 256; /* simple, and usually perfect */ |
| |
| /* find an RGBA texture format */ |
| format = st_choose_format(st, GL_RGBA, GL_NONE, GL_NONE, |
| PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW, |
| false, false); |
| |
| /* create texture for color map/table */ |
| pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0, |
| texSize, texSize, 1, 1, 0, PIPE_BIND_SAMPLER_VIEW); |
| return pt; |
| } |
| |
| |
| /** |
| * Destroy bound texture handles for the given stage. |
| */ |
| static void |
| st_destroy_bound_texture_handles_per_stage(struct st_context *st, |
| enum pipe_shader_type shader) |
| { |
| struct st_bound_handles *bound_handles = &st->bound_texture_handles[shader]; |
| struct pipe_context *pipe = st->pipe; |
| unsigned i; |
| |
| if (likely(!bound_handles->num_handles)) |
| return; |
| |
| for (i = 0; i < bound_handles->num_handles; i++) { |
| uint64_t handle = bound_handles->handles[i]; |
| |
| pipe->make_texture_handle_resident(pipe, handle, false); |
| pipe->delete_texture_handle(pipe, handle); |
| } |
| free(bound_handles->handles); |
| bound_handles->handles = NULL; |
| bound_handles->num_handles = 0; |
| } |
| |
| |
| /** |
| * Destroy all bound texture handles in the context. |
| */ |
| void |
| st_destroy_bound_texture_handles(struct st_context *st) |
| { |
| unsigned i; |
| |
| for (i = 0; i < PIPE_SHADER_TYPES; i++) { |
| st_destroy_bound_texture_handles_per_stage(st, i); |
| } |
| } |
| |
| |
| /** |
| * Destroy bound image handles for the given stage. |
| */ |
| static void |
| st_destroy_bound_image_handles_per_stage(struct st_context *st, |
| enum pipe_shader_type shader) |
| { |
| struct st_bound_handles *bound_handles = &st->bound_image_handles[shader]; |
| struct pipe_context *pipe = st->pipe; |
| unsigned i; |
| |
| if (likely(!bound_handles->num_handles)) |
| return; |
| |
| for (i = 0; i < bound_handles->num_handles; i++) { |
| uint64_t handle = bound_handles->handles[i]; |
| |
| pipe->make_image_handle_resident(pipe, handle, GL_READ_WRITE, false); |
| pipe->delete_image_handle(pipe, handle); |
| } |
| free(bound_handles->handles); |
| bound_handles->handles = NULL; |
| bound_handles->num_handles = 0; |
| } |
| |
| |
| /** |
| * Destroy all bound image handles in the context. |
| */ |
| void |
| st_destroy_bound_image_handles(struct st_context *st) |
| { |
| unsigned i; |
| |
| for (i = 0; i < PIPE_SHADER_TYPES; i++) { |
| st_destroy_bound_image_handles_per_stage(st, i); |
| } |
| } |
| |
| |
| /** |
| * Create a texture handle from a texture unit. |
| */ |
| static GLuint64 |
| st_create_texture_handle_from_unit(struct st_context *st, |
| struct gl_program *prog, GLuint texUnit) |
| { |
| struct pipe_context *pipe = st->pipe; |
| struct pipe_sampler_view *view; |
| struct pipe_sampler_state sampler = {0}; |
| |
| /* TODO: Clarify the interaction of ARB_bindless_texture and EXT_texture_sRGB_decode */ |
| st_update_single_texture(st, &view, texUnit, prog->sh.data->Version >= 130, true); |
| if (!view) |
| return 0; |
| |
| if (view->target != PIPE_BUFFER) |
| st_convert_sampler_from_unit(st, &sampler, texUnit); |
| |
| assert(st->ctx->Texture.Unit[texUnit]._Current); |
| |
| return pipe->create_texture_handle(pipe, view, &sampler); |
| } |
| |
| |
| /** |
| * Create an image handle from an image unit. |
| */ |
| static GLuint64 |
| st_create_image_handle_from_unit(struct st_context *st, |
| struct gl_program *prog, GLuint imgUnit) |
| { |
| struct pipe_context *pipe = st->pipe; |
| struct pipe_image_view img; |
| |
| st_convert_image_from_unit(st, &img, imgUnit, GL_READ_WRITE); |
| |
| return pipe->create_image_handle(pipe, &img); |
| } |
| |
| |
| /** |
| * Make all bindless samplers bound to texture units resident in the context. |
| */ |
| void |
| st_make_bound_samplers_resident(struct st_context *st, |
| struct gl_program *prog) |
| { |
| enum pipe_shader_type shader = pipe_shader_type_from_mesa(prog->info.stage); |
| struct st_bound_handles *bound_handles = &st->bound_texture_handles[shader]; |
| struct pipe_context *pipe = st->pipe; |
| GLuint64 handle; |
| int i; |
| |
| /* Remove previous bound texture handles for this stage. */ |
| st_destroy_bound_texture_handles_per_stage(st, shader); |
| |
| if (likely(!prog->sh.HasBoundBindlessSampler)) |
| return; |
| |
| for (i = 0; i < prog->sh.NumBindlessSamplers; i++) { |
| struct gl_bindless_sampler *sampler = &prog->sh.BindlessSamplers[i]; |
| |
| if (!sampler->bound) |
| continue; |
| |
| /* Request a new texture handle from the driver and make it resident. */ |
| handle = st_create_texture_handle_from_unit(st, prog, sampler->unit); |
| if (!handle) |
| continue; |
| |
| pipe->make_texture_handle_resident(st->pipe, handle, true); |
| |
| /* Overwrite the texture unit value by the resident handle before |
| * uploading the constant buffer. |
| */ |
| *(uint64_t *)sampler->data = handle; |
| |
| /* Store the handle in the context. */ |
| bound_handles->handles = (uint64_t *) |
| realloc(bound_handles->handles, |
| (bound_handles->num_handles + 1) * sizeof(uint64_t)); |
| bound_handles->handles[bound_handles->num_handles] = handle; |
| bound_handles->num_handles++; |
| } |
| } |
| |
| |
| /** |
| * Make all bindless images bound to image units resident in the context. |
| */ |
| void |
| st_make_bound_images_resident(struct st_context *st, |
| struct gl_program *prog) |
| { |
| enum pipe_shader_type shader = pipe_shader_type_from_mesa(prog->info.stage); |
| struct st_bound_handles *bound_handles = &st->bound_image_handles[shader]; |
| struct pipe_context *pipe = st->pipe; |
| GLuint64 handle; |
| int i; |
| |
| /* Remove previous bound image handles for this stage. */ |
| st_destroy_bound_image_handles_per_stage(st, shader); |
| |
| if (likely(!prog->sh.HasBoundBindlessImage)) |
| return; |
| |
| for (i = 0; i < prog->sh.NumBindlessImages; i++) { |
| struct gl_bindless_image *image = &prog->sh.BindlessImages[i]; |
| |
| if (!image->bound) |
| continue; |
| |
| /* Request a new image handle from the driver and make it resident. */ |
| handle = st_create_image_handle_from_unit(st, prog, image->unit); |
| if (!handle) |
| continue; |
| |
| pipe->make_image_handle_resident(st->pipe, handle, GL_READ_WRITE, true); |
| |
| /* Overwrite the image unit value by the resident handle before uploading |
| * the constant buffer. |
| */ |
| *(uint64_t *)image->data = handle; |
| |
| /* Store the handle in the context. */ |
| bound_handles->handles = (uint64_t *) |
| realloc(bound_handles->handles, |
| (bound_handles->num_handles + 1) * sizeof(uint64_t)); |
| bound_handles->handles[bound_handles->num_handles] = handle; |
| bound_handles->num_handles++; |
| } |
| } |
