From 753db0d8407147393a7b0622ae3fa28f68d0353d Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Fri, 30 Nov 2007 20:48:03 +0100 Subject: Hide texture layout details from the state tracker. pipe->get_tex_surface() has to be used for access to texture image data. --- src/mesa/state_tracker/st_atom_texture.c | 14 +- src/mesa/state_tracker/st_cb_drawpixels.c | 214 +++++---------- src/mesa/state_tracker/st_cb_fbo.c | 24 +- src/mesa/state_tracker/st_cb_texture.c | 427 +++++++++++++++--------------- src/mesa/state_tracker/st_cb_texture.h | 10 +- src/mesa/state_tracker/st_context.h | 22 +- src/mesa/state_tracker/st_mipmap_tree.c | 328 ----------------------- src/mesa/state_tracker/st_mipmap_tree.h | 118 --------- src/mesa/state_tracker/st_texture.c | 276 +++++++++++++++++++ src/mesa/state_tracker/st_texture.h | 109 ++++++++ 10 files changed, 701 insertions(+), 841 deletions(-) delete mode 100644 src/mesa/state_tracker/st_mipmap_tree.c delete mode 100644 src/mesa/state_tracker/st_mipmap_tree.h create mode 100644 src/mesa/state_tracker/st_texture.c create mode 100644 src/mesa/state_tracker/st_texture.h (limited to 'src/mesa/state_tracker') diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c index f25cfd386a..c4e5af02d5 100644 --- a/src/mesa/state_tracker/st_atom_texture.c +++ b/src/mesa/state_tracker/st_atom_texture.c @@ -51,24 +51,24 @@ update_textures(struct st_context *st) for (u = 0; u < st->ctx->Const.MaxTextureImageUnits; u++) { struct gl_texture_object *texObj = st->ctx->Texture.Unit[u]._Current; - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; if (texObj) { GLboolean flush, retval; - retval = st_finalize_mipmap_tree(st->ctx, st->pipe, u, &flush); + retval = st_finalize_texture(st->ctx, st->pipe, u, &flush); #if 0 - printf("finalize_mipmap_tree returned %d, flush = %d\n", + printf("finalize_texture returned %d, flush = %d\n", retval, flush); #endif - mt = st_get_texobj_mipmap_tree(texObj); + pt = st_get_texobj_texture(texObj); } else { - mt = NULL; + pt = NULL; } - st->state.texture[u] = mt; - st->pipe->set_texture_state(st->pipe, u, mt); + st->state.texture[u] = pt; + st->pipe->set_texture_state(st->pipe, u, pt); } } diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index 39c0cf6b32..c28ad15b29 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -33,6 +33,7 @@ #include "main/imports.h" #include "main/image.h" #include "main/macros.h" +#include "main/texformat.h" #include "shader/program.h" #include "shader/prog_parameter.h" #include "shader/prog_print.h" @@ -50,6 +51,7 @@ #include "st_draw.h" #include "st_format.h" #include "st_mesa_to_tgsi.h" +#include "st_texture.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "pipe/p_inlines.h" @@ -440,63 +442,20 @@ _mesa_base_format(GLenum format) } - -static struct pipe_mipmap_tree * -alloc_mipmap_tree(struct st_context *st, - GLsizei width, GLsizei height, uint pipeFormat) -{ - const GLbitfield flags = PIPE_SURFACE_FLAG_TEXTURE; - struct pipe_mipmap_tree *mt; - GLuint cpp; - - mt = CALLOC_STRUCT(pipe_mipmap_tree); - if (!mt) - return NULL; - - cpp = st_sizeof_format(pipeFormat); - - mt->target = PIPE_TEXTURE_2D; - mt->internal_format = GL_RGBA; - mt->format = pipeFormat; - mt->first_level = 0; - mt->last_level = 0; - mt->width0 = width; - mt->height0 = height; - mt->depth0 = 1; - mt->cpp = cpp; - mt->compressed = 0; - mt->pitch = st->pipe->winsys->surface_pitch(st->pipe->winsys, cpp, width, - flags); - mt->region = st->pipe->winsys->region_alloc(st->pipe->winsys, - mt->pitch * cpp * height, flags); - mt->depth_pitch = 0; - mt->total_height = height; - mt->level[0].level_offset = 0; - mt->level[0].width = width; - mt->level[0].height = height; - mt->level[0].depth = 1; - mt->level[0].nr_images = 1; - mt->level[0].image_offset = NULL; - mt->refcount = 1; - - return mt; -} - - /** - * Make mipmap tree containing an image for glDrawPixels image. + * Make texture containing an image for glDrawPixels image. * If 'pixels' is NULL, leave the texture image data undefined. */ -static struct pipe_mipmap_tree * -make_mipmap_tree(struct st_context *st, - GLsizei width, GLsizei height, GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid *pixels) +static struct pipe_texture * +make_texture(struct st_context *st, + GLsizei width, GLsizei height, GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels) { GLcontext *ctx = st->ctx; struct pipe_context *pipe = st->pipe; const struct gl_texture_format *mformat; - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; GLuint pipeFormat, cpp; GLenum baseFormat; @@ -509,29 +468,33 @@ make_mipmap_tree(struct st_context *st, assert(pipeFormat); cpp = st_sizeof_format(pipeFormat); - mt = alloc_mipmap_tree(st, width, height, pipeFormat); - if (!mt) + pt = st_texture_create(st, PIPE_TEXTURE_2D, pipeFormat, baseFormat, 0, 0, + width, height, 1, 0); + if (!pt) return NULL; if (unpack->BufferObj && unpack->BufferObj->Name) { /* - mt->region = buffer_object_region(unpack->BufferObj); + pt->region = buffer_object_region(unpack->BufferObj); */ printf("st_DrawPixels (sourcing from PBO not implemented yet)\n"); } { + struct pipe_surface *surface; static const GLuint dstImageOffsets = 0; GLboolean success; - GLuint pitch = mt->pitch; GLubyte *dest; const GLbitfield imageTransferStateSave = ctx->_ImageTransferState; /* we'll do pixel transfer in a fragment shader */ ctx->_ImageTransferState = 0x0; + surface = pipe->get_tex_surface(pipe, pt, 0, 0, 0); + /* map texture region */ - dest = pipe->region_map(pipe, mt->region); + (void) pipe->region_map(pipe, surface->region); + dest = surface->region->map + surface->offset; /* Put image into texture region. * Note that the image is actually going to be upside down in @@ -542,7 +505,7 @@ make_mipmap_tree(struct st_context *st, mformat, /* gl_texture_format */ dest, /* dest */ 0, 0, 0, /* dstX/Y/Zoffset */ - pitch * cpp, /* dstRowStride, bytes */ + surface->pitch * cpp, /* dstRowStride, bytes */ &dstImageOffsets, /* dstImageOffsets */ width, height, 1, /* size */ format, type, /* src format/type */ @@ -550,44 +513,15 @@ make_mipmap_tree(struct st_context *st, unpack); /* unmap */ - pipe->region_unmap(pipe, mt->region); + pipe->region_unmap(pipe, surface->region); + pipe_surface_reference(&surface, NULL); assert(success); /* restore */ ctx->_ImageTransferState = imageTransferStateSave; } -#if 0 - mt->target = PIPE_TEXTURE_2D; - mt->internal_format = GL_RGBA; - mt->format = pipeFormat; - mt->first_level = 0; - mt->last_level = 0; - mt->width0 = width; - mt->height0 = height; - mt->depth0 = 1; - mt->cpp = cpp; - mt->compressed = 0; - mt->pitch = mt->pitch; - mt->depth_pitch = 0; - mt->total_height = height; - mt->level[0].level_offset = 0; - mt->level[0].width = width; - mt->level[0].height = height; - mt->level[0].depth = 1; - mt->level[0].nr_images = 1; - mt->level[0].image_offset = NULL; - mt->refcount = 1; -#endif - return mt; -} - - -static void -free_mipmap_tree(struct pipe_context *pipe, struct pipe_mipmap_tree *mt) -{ - pipe->winsys->region_release(pipe->winsys, &mt->region); - free(mt); + return pt; } @@ -693,7 +627,7 @@ static void draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, GLsizei width, GLsizei height, GLfloat zoomX, GLfloat zoomY, - struct pipe_mipmap_tree *mt, + struct pipe_texture *pt, struct st_vertex_program *stvp, struct st_fragment_program *stfp, const GLfloat *color, @@ -761,9 +695,9 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, pipe->set_viewport_state(pipe, &vp); } - /* mipmap tree state: */ + /* texture state: */ { - pipe->set_texture_state(pipe, unit, mt); + pipe->set_texture_state(pipe, unit, pt); } /* Compute window coords (y=0=bottom) with pixel zoom. @@ -1025,14 +959,13 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, any_pixel_transfer_ops(st) || !compatible_formats(format, type, ps->format)) { /* textured quad */ - struct pipe_mipmap_tree *mt - = make_mipmap_tree(ctx->st, width, height, format, type, - unpack, pixels); - if (mt) { + struct pipe_texture *pt + = make_texture(ctx->st, width, height, format, type, unpack, pixels); + if (pt) { draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2], width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY, - mt, stvp, stfp, color, GL_FALSE); - free_mipmap_tree(st->pipe, mt); + pt, stvp, stfp, color, GL_FALSE); + st->pipe->texture_release(st->pipe, &pt); } } else { @@ -1046,26 +979,29 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, /** * Create a texture which represents a bitmap image. */ -static struct pipe_mipmap_tree * +static struct pipe_texture * make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height, const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap) { struct pipe_context *pipe = ctx->st->pipe; - const uint flags = PIPE_SURFACE_FLAG_TEXTURE; + struct pipe_surface *surface; uint format = 0, cpp, comp; + GLenum internal_format; ubyte *dest; - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; int row, col; /* find a texture format we know */ if (pipe->is_format_supported( pipe, PIPE_FORMAT_U_I8 )) { format = PIPE_FORMAT_U_I8; + internal_format = GL_INTENSITY8; cpp = 1; comp = 0; } else if (pipe->is_format_supported( pipe, PIPE_FORMAT_U_A8_R8_G8_B8 )) { format = PIPE_FORMAT_U_A8_R8_G8_B8; + internal_format = GL_RGBA8; cpp = 4; comp = 3; /* alpha channel */ /*XXX little-endian dependency */ } @@ -1075,31 +1011,25 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height, } /** - * Create a mipmap tree. + * Create a texture. */ - mt = CALLOC_STRUCT(pipe_mipmap_tree); - if (!mt) + pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, format, internal_format, + 0, 0, width, height, 1, 0); + if (!pt) return NULL; if (unpack->BufferObj && unpack->BufferObj->Name) { /* - mt->region = buffer_object_region(unpack->BufferObj); + pt->region = buffer_object_region(unpack->BufferObj); */ printf("st_Bitmap (sourcing from PBO not implemented yet)\n"); } - - /* allocate texture region/storage */ - mt->pitch = pipe->winsys->surface_pitch(pipe->winsys, cpp, width, flags); - mt->region = pipe->winsys->region_alloc(pipe->winsys, - mt->pitch * cpp * height, flags); + surface = pipe->get_tex_surface(pipe, pt, 0, 0, 0); /* map texture region */ - dest = pipe->region_map(pipe, mt->region); - if (!dest) { - printf("st_Bitmap region_map() failed!?!"); - return NULL; - } + (void) pipe->region_map(pipe, surface->region); + dest = surface->region->map + surface->offset; /* Put image into texture region. * Note that the image is actually going to be upside down in @@ -1109,7 +1039,7 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height, for (row = 0; row < height; row++) { const GLubyte *src = (const GLubyte *) _mesa_image_address2d(unpack, bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, row, 0); - ubyte *destRow = dest + row * mt->pitch * cpp; + ubyte *destRow = dest + row * surface->pitch * cpp; if (unpack->LsbFirst) { /* Lsb first */ @@ -1158,30 +1088,13 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height, } /* row */ - /* unmap */ - pipe->region_unmap(pipe, mt->region); - - mt->target = PIPE_TEXTURE_2D; - mt->internal_format = GL_RGBA; - mt->format = format; - mt->first_level = 0; - mt->last_level = 0; - mt->width0 = width; - mt->height0 = height; - mt->depth0 = 1; - mt->cpp = cpp; - mt->compressed = 0; - mt->depth_pitch = 0; - mt->total_height = height; - mt->level[0].level_offset = 0; - mt->level[0].width = width; - mt->level[0].height = height; - mt->level[0].depth = 1; - mt->level[0].nr_images = 1; - mt->level[0].image_offset = NULL; - mt->refcount = 1; - - return mt; + /* Release surface */ + pipe->region_unmap(pipe, surface->region); + pipe_surface_reference(&surface, NULL); + + pt->format = format; + + return pt; } @@ -1193,21 +1106,21 @@ st_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, struct st_fragment_program *stfp; struct st_vertex_program *stvp; struct st_context *st = ctx->st; - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; stvp = make_vertex_shader(ctx->st, GL_TRUE); stfp = combined_bitmap_fragment_program(ctx); st_validate_state(st); - mt = make_bitmap_texture(ctx, width, height, unpack, bitmap); - if (mt) { + pt = make_bitmap_texture(ctx, width, height, unpack, bitmap); + if (pt) { draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2], width, height, 1.0, 1.0, - mt, stvp, stfp, + pt, stvp, stfp, ctx->Current.RasterColor, GL_FALSE); - free_mipmap_tree(st->pipe, mt); + st->pipe->texture_release(st->pipe, &pt); } } @@ -1296,7 +1209,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, struct st_fragment_program *stfp; struct pipe_surface *psRead; struct pipe_surface *psTex; - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; GLfloat *color; uint format; @@ -1327,11 +1240,12 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, psRead = rbRead->surface; format = psRead->format; - mt = alloc_mipmap_tree(ctx->st, width, height, format); - if (!mt) + pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, format, + rbRead->Base.InternalFormat, 0, 0, width, height, 1, 0); + if (!pt) return; - psTex = pipe->get_tex_surface(pipe, mt, 0, 0, 0); + psTex = pipe->get_tex_surface(pipe, pt, 0, 0, 0); if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { srcy = ctx->DrawBuffer->Height - srcy - height; @@ -1368,10 +1282,10 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, /* draw textured quad */ draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2], width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY, - mt, stvp, stfp, color, GL_TRUE); + pt, stvp, stfp, color, GL_TRUE); pipe_surface_reference(&psTex, NULL); - free_mipmap_tree(st->pipe, mt); + st->pipe->texture_release(st->pipe, &pt); } diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index 80c92e8b7a..43681b7f8a 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -286,7 +286,7 @@ st_render_texture(GLcontext *ctx, struct st_renderbuffer *strb; struct gl_renderbuffer *rb; struct pipe_context *pipe = st->pipe; - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; assert(!att->Renderbuffer); @@ -302,26 +302,26 @@ st_render_texture(GLcontext *ctx, rb->AllocStorage = NULL; /* should not get called */ strb = st_renderbuffer(rb); - /* get the mipmap tree for the texture */ - mt = st_get_texobj_mipmap_tree(att->Texture); - assert(mt); - assert(mt->level[att->TextureLevel].width); + /* get the texture for the texture object */ + pt = st_get_texobj_texture(att->Texture); + assert(pt); + assert(pt->width[att->TextureLevel]); - rb->Width = mt->level[att->TextureLevel].width; - rb->Height = mt->level[att->TextureLevel].height; + rb->Width = pt->width[att->TextureLevel]; + rb->Height = pt->height[att->TextureLevel]; - /* the renderbuffer's surface is inside the mipmap_tree: */ - strb->surface = pipe->get_tex_surface(pipe, mt, + /* the renderbuffer's surface is inside the texture */ + strb->surface = pipe->get_tex_surface(pipe, pt, att->CubeMapFace, att->TextureLevel, att->Zoffset); assert(strb->surface); - init_renderbuffer_bits(strb, mt->format); + init_renderbuffer_bits(strb, pt->format); /* - printf("RENDER TO TEXTURE obj=%p mt=%p surf=%p %d x %d\n", - att->Texture, mt, strb->surface, rb->Width, rb->Height); + printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p %d x %d\n", + att->Texture, pt, strb->surface, rb->Width, rb->Height); */ /* Invalidate buffer state so that the pipe's framebuffer state diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index 461705119f..f45d7e4275 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -40,7 +40,7 @@ #include "state_tracker/st_cb_fbo.h" #include "state_tracker/st_cb_texture.h" #include "state_tracker/st_format.h" -#include "state_tracker/st_mipmap_tree.h" +#include "state_tracker/st_texture.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" @@ -54,8 +54,7 @@ struct st_texture_object { struct gl_texture_object base; /* The "parent" object */ - /* The mipmap tree must include at least these levels once - * validated: + /* The texture must include at least these levels once validated: */ GLuint firstLevel; GLuint lastLevel; @@ -67,7 +66,7 @@ struct st_texture_object /* On validation any active images held in main memory or in other * regions will be copied to this region and the old storage freed. */ - struct pipe_mipmap_tree *mt; + struct pipe_texture *pt; GLboolean imageOverride; GLint depthOverride; @@ -76,24 +75,6 @@ struct st_texture_object -struct st_texture_image -{ - struct gl_texture_image base; - - /* These aren't stored in gl_texture_image - */ - GLuint level; - GLuint face; - - /* If stImage->mt != NULL, image data is stored here. - * Else if stImage->base.Data != NULL, image is stored there. - * Else there is no image data. - */ - struct pipe_mipmap_tree *mt; -}; - - - static INLINE struct st_texture_object * st_texture_object(struct gl_texture_object *obj) @@ -108,11 +89,11 @@ st_texture_image(struct gl_texture_image *img) } -struct pipe_mipmap_tree * -st_get_texobj_mipmap_tree(struct gl_texture_object *texObj) +struct pipe_texture * +st_get_texobj_texture(struct gl_texture_object *texObj) { struct st_texture_object *stObj = st_texture_object(texObj); - return stObj->mt; + return stObj->pt; } @@ -174,9 +155,9 @@ st_IsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) struct st_texture_object *stObj = st_texture_object(texObj); return - stObj->mt && - stObj->mt->region && - intel_is_region_resident(intel, stObj->mt->region); + stObj->pt && + stObj->pt->region && + intel_is_region_resident(intel, stObj->pt->region); #endif return 1; } @@ -207,11 +188,10 @@ static void st_DeleteTextureObject(GLcontext *ctx, struct gl_texture_object *texObj) { - struct pipe_context *pipe = ctx->st->pipe; struct st_texture_object *stObj = st_texture_object(texObj); - if (stObj->mt) - st_miptree_release(pipe, &stObj->mt); + if (stObj->pt) + ctx->st->pipe->texture_release(ctx->st->pipe, &stObj->pt); _mesa_delete_texture_object(ctx, texObj); } @@ -220,13 +200,12 @@ st_DeleteTextureObject(GLcontext *ctx, static void st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) { - struct pipe_context *pipe = ctx->st->pipe; struct st_texture_image *stImage = st_texture_image(texImage); DBG("%s\n", __FUNCTION__); - if (stImage->mt) { - st_miptree_release(pipe, &stImage->mt); + if (stImage->pt) { + ctx->st->pipe->texture_release(ctx->st->pipe, &stImage->pt); } if (texImage->Data) { @@ -287,10 +266,10 @@ do_memcpy(void *dest, const void *src, size_t n) } -/* Functions to store texture images. Where possible, mipmap_tree's +/* Functions to store texture images. Where possible, textures * will be created or further instantiated with image data, otherwise * images will be stored in malloc'd memory. A validation step is - * required to pull those images into a mipmap tree, or otherwise + * required to pull those images into a texture, or otherwise * decide a fallback is required. */ @@ -313,17 +292,16 @@ logbase2(int n) /* Otherwise, store it in memory if (Border != 0) or (any dimension == * 1). * - * Otherwise, if max_level >= level >= min_level, create tree with - * space for textures from min_level down to max_level. + * Otherwise, if max_level >= level >= min_level, create texture with + * space for images from min_level down to max_level. * - * Otherwise, create tree with space for textures from (level - * 0)..(1x1). Consider pruning this tree at a validation if the - * saving is worth it. + * Otherwise, create texture with space for images from (level 0)..(1x1). + * Consider pruning this texture at a validation if the saving is worth it. */ static void -guess_and_alloc_mipmap_tree(struct pipe_context *pipe, - struct st_texture_object *stObj, - struct st_texture_image *stImage) +guess_and_alloc_texture(struct st_context *st, + struct st_texture_object *stObj, + struct st_texture_image *stImage) { GLuint firstLevel; GLuint lastLevel; @@ -382,23 +360,20 @@ guess_and_alloc_mipmap_tree(struct pipe_context *pipe, lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth); } - assert(!stObj->mt); + assert(!stObj->pt); if (stImage->base.IsCompressed) comp_byte = compressed_num_bytes(stImage->base.TexFormat->MesaFormat); - stObj->mt = st_miptree_create(pipe, + stObj->pt = st_texture_create(st, gl_target_to_pipe(stObj->base.Target), - stImage->base.InternalFormat, + st_mesa_format_to_pipe_format(stImage->base.TexFormat->MesaFormat), + stImage->base.InternalFormat, firstLevel, lastLevel, width, height, depth, - stImage->base.TexFormat->TexelBytes, comp_byte); - stObj->mt->format - = st_mesa_format_to_pipe_format(stImage->base.TexFormat->MesaFormat); - DBG("%s - success\n", __FUNCTION__); } @@ -482,11 +457,11 @@ try_pbo_upload(GLcontext *ctx, else src_stride = width; - dst_offset = st_miptree_image_offset(stImage->mt, + dst_offset = st_texture_image_offset(stImage->pt, stImage->face, stImage->level); - dst_stride = stImage->mt->pitch; + dst_stride = stImage->pt->pitch; { struct _DriBufferObject *src_buffer = @@ -495,11 +470,11 @@ try_pbo_upload(GLcontext *ctx, /* Temporary hack: cast to _DriBufferObject: */ struct _DriBufferObject *dst_buffer = - (struct _DriBufferObject *)stImage->mt->region->buffer; + (struct _DriBufferObject *)stImage->pt->region->buffer; intelEmitCopyBlit(intel, - stImage->mt->cpp, + stImage->pt->cpp, src_stride, src_buffer, src_offset, dst_stride, dst_buffer, dst_offset, 0, 0, 0, 0, width, height, @@ -540,7 +515,6 @@ st_TexImage(GLcontext * ctx, struct gl_texture_object *texObj, struct gl_texture_image *texImage, GLsizei imageSize, int compressed) { - struct pipe_context *pipe = ctx->st->pipe; struct st_texture_object *stObj = st_texture_object(texObj); struct st_texture_image *stImage = st_texture_image(texImage); GLint postConvWidth = width; @@ -589,58 +563,58 @@ st_TexImage(GLcontext * ctx, /* Release the reference to a potentially orphaned buffer. * Release any old malloced memory. */ - if (stImage->mt) { - st_miptree_release(pipe, &stImage->mt); + if (stImage->pt) { + ctx->st->pipe->texture_release(ctx->st->pipe, &stImage->pt); assert(!texImage->Data); } else if (texImage->Data) { _mesa_align_free(texImage->Data); } - /* If this is the only texture image in the tree, could call + /* If this is the only texture image in the texture, could call * bmBufferData with NULL data to free the old block and avoid * waiting on any outstanding fences. */ - if (stObj->mt && - stObj->mt->first_level == level && - stObj->mt->last_level == level && - stObj->mt->target != PIPE_TEXTURE_CUBE && - !st_miptree_match_image(stObj->mt, &stImage->base, + if (stObj->pt && + stObj->pt->first_level == level && + stObj->pt->last_level == level && + stObj->pt->target != PIPE_TEXTURE_CUBE && + !st_texture_match_image(stObj->pt, &stImage->base, stImage->face, stImage->level)) { DBG("release it\n"); - st_miptree_release(pipe, &stObj->mt); - assert(!stObj->mt); + ctx->st->pipe->texture_release(ctx->st->pipe, &stObj->pt); + assert(!stObj->pt); } - if (!stObj->mt) { - guess_and_alloc_mipmap_tree(pipe, stObj, stImage); - if (!stObj->mt) { - DBG("guess_and_alloc_mipmap_tree: failed\n"); + if (!stObj->pt) { + guess_and_alloc_texture(ctx->st, stObj, stImage); + if (!stObj->pt) { + DBG("guess_and_alloc_texture: failed\n"); } } - assert(!stImage->mt); + assert(!stImage->pt); - if (stObj->mt && - st_miptree_match_image(stObj->mt, &stImage->base, + if (stObj->pt && + st_texture_match_image(stObj->pt, &stImage->base, stImage->face, stImage->level)) { - st_miptree_reference(&stImage->mt, stObj->mt); - assert(stImage->mt); + pipe_texture_reference(ctx->st->pipe, &stImage->pt, stObj->pt); + assert(stImage->pt); } - if (!stImage->mt) - DBG("XXX: Image did not fit into tree - storing in local memory!\n"); + if (!stImage->pt) + DBG("XXX: Image did not fit into texture - storing in local memory!\n"); #if 0 /* XXX FIX when st_buffer_objects are in place */ /* PBO fastpaths: */ if (dims <= 2 && - stImage->mt && + stImage->pt && intel_buffer_object(unpack->BufferObj) && check_pbo_format(internalFormat, format, - type, stImage->base.TexFormat)) { + type, texImage->TexFormat)) { DBG("trying pbo upload\n"); @@ -650,9 +624,9 @@ st_TexImage(GLcontext * ctx, * performance (in particular when pipe_region_cow() is * required). */ - if (stObj->mt == stImage->mt && - stObj->mt->first_level == level && - stObj->mt->last_level == level) { + if (stObj->pt == stImage->pt && + stObj->pt->first_level == level && + stObj->pt->last_level == level) { if (try_pbo_zcopy(intel, stImage, unpack, internalFormat, @@ -683,7 +657,7 @@ st_TexImage(GLcontext * ctx, /* intelCopyTexImage calls this function with pixels == NULL, with - * the expectation that the mipmap tree will be set up but nothing + * the expectation that the texture will be set up but nothing * more will be done. This is where those calls return: */ if (compressed) { @@ -698,13 +672,9 @@ st_TexImage(GLcontext * ctx, if (!pixels) return; - if (stImage->mt) { - texImage->Data = st_miptree_image_map(pipe, - stImage->mt, - stImage->face, - stImage->level, - &dstRowStride, - stImage->base.ImageOffsets); + if (stImage->pt) { + texImage->Data = st_texture_image_map(ctx->st, stImage, 0); + dstRowStride = stImage->surface->pitch * stImage->surface->cpp; } else { /* Allocate regular memory and store the image there temporarily. */ @@ -732,22 +702,36 @@ st_TexImage(GLcontext * ctx, if (compressed) { memcpy(texImage->Data, pixels, imageSize); } - else if (!texImage->TexFormat->StoreImage(ctx, dims, - texImage->_BaseFormat, - texImage->TexFormat, - texImage->Data, - 0, 0, 0, /* dstX/Y/Zoffset */ - dstRowStride, - texImage->ImageOffsets, - width, height, depth, - format, type, pixels, unpack)) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + else { + GLuint srcImageStride = _mesa_image_image_stride(unpack, width, height, + format, type); + int i; + + for (i = 0; i++ < depth;) { + if (!texImage->TexFormat->StoreImage(ctx, dims, + texImage->_BaseFormat, + texImage->TexFormat, + texImage->Data, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + texImage->ImageOffsets, + width, height, 1, + format, type, pixels, unpack)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + } + + if (stImage->pt && i < depth) { + st_texture_image_unmap(ctx->st, stImage); + texImage->Data = st_texture_image_map(ctx->st, stImage, i); + pixels += srcImageStride; + } + } } _mesa_unmap_teximage_pbo(ctx, unpack); - if (stImage->mt) { - st_miptree_image_unmap(pipe, stImage->mt); + if (stImage->pt) { + st_texture_image_unmap(ctx->st, stImage); texImage->Data = NULL; } @@ -839,49 +823,58 @@ st_get_tex_image(GLcontext * ctx, GLenum target, GLint level, /* struct intel_context *intel = intel_context(ctx); */ - struct pipe_context *pipe = ctx->st->pipe; struct st_texture_image *stImage = st_texture_image(texImage); + GLuint dstImageStride = _mesa_image_image_stride(&ctx->Pack, texImage->Width, + texImage->Height, format, + type); + GLuint depth; + int i; /* Map */ - if (stImage->mt) { + if (stImage->pt) { /* Image is stored in hardware format in a buffer managed by the * kernel. Need to explicitly map and unmap it. */ - stImage->base.Data = - st_miptree_image_map(pipe, - stImage->mt, - stImage->face, - stImage->level, - &stImage->base.RowStride, - stImage->base.ImageOffsets); - stImage->base.RowStride /= stImage->mt->cpp; + texImage->Data = st_texture_image_map(ctx->st, stImage, 0); + texImage->RowStride = stImage->surface->pitch; } else { /* Otherwise, the image should actually be stored in - * stImage->base.Data. This is pretty confusing for + * texImage->Data. This is pretty confusing for * everybody, I'd much prefer to separate the two functions of * texImage->Data - storage for texture images in main memory * and access (ie mappings) of images. In other words, we'd * create a new texImage->Map field and leave Data simply for * storage. */ - assert(stImage->base.Data); + assert(texImage->Data); } + depth = texImage->Depth; + texImage->Depth = 1; - if (compressed) { - _mesa_get_compressed_teximage(ctx, target, level, pixels, - texObj, texImage); - } else { - _mesa_get_teximage(ctx, target, level, format, type, pixels, - texObj, texImage); + for (i = 0; i++ < depth;) { + if (compressed) { + _mesa_get_compressed_teximage(ctx, target, level, pixels, + texObj, texImage); + } else { + _mesa_get_teximage(ctx, target, level, format, type, pixels, + texObj, texImage); + } + + if (stImage->pt && i < depth) { + st_texture_image_unmap(ctx->st, stImage); + texImage->Data = st_texture_image_map(ctx->st, stImage, i); + pixels += dstImageStride; + } } - + + texImage->Depth = depth; /* Unmap */ - if (stImage->mt) { - st_miptree_image_unmap(pipe, stImage->mt); - stImage->base.Data = NULL; + if (stImage->pt) { + st_texture_image_unmap(ctx->st, stImage); + texImage->Data = NULL; } } @@ -921,9 +914,11 @@ st_TexSubimage(GLcontext * ctx, struct gl_texture_object *texObj, struct gl_texture_image *texImage) { - struct pipe_context *pipe = ctx->st->pipe; struct st_texture_image *stImage = st_texture_image(texImage); GLuint dstRowStride; + GLuint srcImageStride = _mesa_image_image_stride(packing, width, height, + format, type); + int i; DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, _mesa_lookup_enum_by_nr(target), @@ -938,25 +933,28 @@ st_TexSubimage(GLcontext * ctx, /* Map buffer if necessary. Need to lock to prevent other contexts * from uploading the buffer under us. */ - if (stImage->mt) - texImage->Data = st_miptree_image_map(pipe, - stImage->mt, - stImage->face, - stImage->level, - &dstRowStride, - texImage->ImageOffsets); - - assert(dstRowStride); - - if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, - texImage->TexFormat, - texImage->Data, - xoffset, yoffset, zoffset, - dstRowStride, - texImage->ImageOffsets, - width, height, depth, - format, type, pixels, packing)) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); + if (stImage->pt) { + texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset); + dstRowStride = stImage->surface->pitch * stImage->surface->cpp; + } + + for (i = 0; i++ < depth;) { + if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat, + texImage->TexFormat, + texImage->Data, + xoffset, yoffset, 0, + dstRowStride, + texImage->ImageOffsets, + width, height, 1, + format, type, pixels, packing)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); + } + + if (stImage->pt && i < depth) { + st_texture_image_unmap(ctx->st, stImage); + texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset + i); + pixels += srcImageStride; + } } #if 0 @@ -970,8 +968,8 @@ st_TexSubimage(GLcontext * ctx, _mesa_unmap_teximage_pbo(ctx, packing); - if (stImage->mt) { - st_miptree_image_unmap(pipe, stImage->mt); + if (stImage->pt) { + st_texture_image_unmap(ctx->st, stImage); texImage->Data = NULL; } } @@ -1074,7 +1072,7 @@ fallback_copy_texsubimage(GLcontext *ctx, { struct pipe_context *pipe = ctx->st->pipe; const uint face = texture_face(target); - struct pipe_mipmap_tree *mt = stImage->mt; + struct pipe_texture *pt = stImage->pt; struct pipe_surface *src_surf, *dest_surf; GLfloat *data; GLint row, yStep; @@ -1090,7 +1088,7 @@ fallback_copy_texsubimage(GLcontext *ctx, src_surf = strb->surface; - dest_surf = pipe->get_tex_surface(pipe, mt, + dest_surf = pipe->get_tex_surface(pipe, pt, face, level, destZ); (void) pipe->region_map(pipe, dest_surf->region); @@ -1150,7 +1148,7 @@ do_copy_texsubimage(GLcontext *ctx, struct gl_framebuffer *fb = ctx->ReadBuffer; struct st_renderbuffer *strb; struct pipe_context *pipe = ctx->st->pipe; - struct pipe_region *src_region, *dest_region; + struct pipe_surface *dest_surface; uint dest_format, src_format; (void) texImage; @@ -1169,29 +1167,24 @@ do_copy_texsubimage(GLcontext *ctx, assert(strb); assert(strb->surface); - assert(stImage->mt); + assert(stImage->pt); if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { srcY = strb->Base.Height - srcY - height; } src_format = strb->surface->format; - dest_format = stImage->mt->format; + dest_format = stImage->pt->format; - src_region = strb->surface->region; - dest_region = stImage->mt->region; + dest_surface = pipe->get_tex_surface(pipe, stImage->pt, stImage->face, + stImage->level, destZ); if (src_format == dest_format && ctx->_ImageTransferState == 0x0 && - src_region && - dest_region && - strb->surface->cpp == stImage->mt->cpp) { + strb->surface->region && + dest_surface->region && + strb->surface->cpp == stImage->pt->cpp) { /* do blit-style copy */ - struct pipe_surface *dest_surface = pipe->get_tex_surface(pipe, - stImage->mt, - stImage->face, - stImage->level, - destZ); /* XXX may need to invert image depending on window * vs. user-created FBO @@ -1203,12 +1196,12 @@ do_copy_texsubimage(GLcontext *ctx, * worth it: */ intelEmitCopyBlit(intel, - stImage->mt->cpp, + stImage->pt->cpp, -src->pitch, src->buffer, src->height * src->pitch * src->cpp, - stImage->mt->pitch, - stImage->mt->region->buffer, + stImage->pt->pitch, + stImage->pt->region->buffer, dest_offset, x, y + height, dstx, dsty, width, height, GL_COPY); /* ? */ @@ -1224,8 +1217,6 @@ do_copy_texsubimage(GLcontext *ctx, /* size */ width, height); #endif - - pipe_surface_reference(&dest_surface, NULL); } else { fallback_copy_texsubimage(ctx, target, level, @@ -1234,6 +1225,7 @@ do_copy_texsubimage(GLcontext *ctx, srcX, srcY, width, height); } + pipe_surface_reference(&dest_surface, NULL); #if 0 /* GL_SGIS_generate_mipmap -- this can be accelerated now. @@ -1267,7 +1259,7 @@ st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level, goto fail; #endif - /* Setup or redefine the texture object, mipmap tree and texture + /* Setup or redefine the texture object, texture and texture * image. Don't populate yet. */ ctx->Driver.TexImage1D(ctx, target, level, internalFormat, @@ -1299,7 +1291,7 @@ st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level, goto fail; #endif - /* Setup or redefine the texture object, mipmap tree and texture + /* Setup or redefine the texture object, texture and texture * image. Don't populate yet. */ ctx->Driver.TexImage2D(ctx, target, level, internalFormat, @@ -1407,28 +1399,28 @@ calculate_first_last_level(struct st_texture_object *stObj) static void -copy_image_data_to_tree(struct pipe_context *pipe, - struct st_texture_object *stObj, - struct st_texture_image *stImage) +copy_image_data_to_texture(struct st_context *st, + struct st_texture_object *stObj, + struct st_texture_image *stImage) { - if (stImage->mt) { + if (stImage->pt) { /* Copy potentially with the blitter: */ - st_miptree_image_copy(pipe, - stObj->mt, /* dest miptree */ + st_texture_image_copy(st->pipe, + stObj->pt, /* dest texture */ stImage->face, stImage->level, - stImage->mt /* src miptree */ + stImage->pt /* src texture */ ); - st_miptree_release(pipe, &stImage->mt); + st->pipe->texture_release(st->pipe, &stImage->pt); } else { assert(stImage->base.Data != NULL); /* More straightforward upload. */ - st_miptree_image_data(pipe, - stObj->mt, + st_texture_image_data(st->pipe, + stObj->pt, stImage->face, stImage->level, stImage->base.Data, @@ -1439,16 +1431,16 @@ copy_image_data_to_tree(struct pipe_context *pipe, stImage->base.Data = NULL; } - st_miptree_reference(&stImage->mt, stObj->mt); + pipe_texture_reference(st->pipe, &stImage->pt, stObj->pt); } /* */ GLboolean -st_finalize_mipmap_tree(GLcontext *ctx, - struct pipe_context *pipe, GLuint unit, - GLboolean *needFlush) +st_finalize_texture(GLcontext *ctx, + struct pipe_context *pipe, GLuint unit, + GLboolean *needFlush) { struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current; struct st_texture_object *stObj = st_texture_object(tObj); @@ -1465,7 +1457,7 @@ st_finalize_mipmap_tree(GLcontext *ctx, */ assert(stObj->base._Complete); - /* What levels must the tree include at a minimum? + /* What levels must the texture include at a minimum? */ calculate_first_last_level(stObj); firstImage = @@ -1474,27 +1466,27 @@ st_finalize_mipmap_tree(GLcontext *ctx, /* Fallback case: */ if (firstImage->base.Border) { - if (stObj->mt) { - st_miptree_release(pipe, &stObj->mt); + if (stObj->pt) { + ctx->st->pipe->texture_release(ctx->st->pipe, &stObj->pt); } return GL_FALSE; } - /* If both firstImage and stObj have a tree which can contain + /* If both firstImage and stObj point to a texture which can contain * all active images, favour firstImage. Note that because of the * completeness requirement, we know that the image dimensions * will match. */ - if (firstImage->mt && - firstImage->mt != stObj->mt && - firstImage->mt->first_level <= stObj->firstLevel && - firstImage->mt->last_level >= stObj->lastLevel) { + if (firstImage->pt && + firstImage->pt != stObj->pt && + firstImage->pt->first_level <= stObj->firstLevel && + firstImage->pt->last_level >= stObj->lastLevel) { - if (stObj->mt) - st_miptree_release(pipe, &stObj->mt); + if (stObj->pt) + ctx->st->pipe->texture_release(ctx->st->pipe, &stObj->pt); - st_miptree_reference(&stObj->mt, firstImage->mt); + pipe_texture_reference(ctx->st->pipe, &stObj->pt, firstImage->pt); } if (firstImage->base.IsCompressed) { @@ -1505,48 +1497,45 @@ st_finalize_mipmap_tree(GLcontext *ctx, cpp = firstImage->base.TexFormat->TexelBytes; } - /* Check tree can hold all active levels. Check tree matches + /* Check texture can hold all active levels. Check texture matches * target, imageFormat, etc. * * XXX: For some layouts (eg i945?), the test might have to be - * first_level == firstLevel, as the tree isn't valid except at the + * first_level == firstLevel, as the texture isn't valid except at the * original start level. Hope to get around this by * programming minLod, maxLod, baseLevel into the hardware and - * leaving the tree alone. + * leaving the texture alone. */ - if (stObj->mt && - (stObj->mt->target != gl_target_to_pipe(stObj->base.Target) || - stObj->mt->internal_format != firstImage->base.InternalFormat || - stObj->mt->first_level != stObj->firstLevel || - stObj->mt->last_level != stObj->lastLevel || - stObj->mt->width0 != firstImage->base.Width || - stObj->mt->height0 != firstImage->base.Height || - stObj->mt->depth0 != firstImage->base.Depth || - stObj->mt->cpp != cpp || - stObj->mt->compressed != firstImage->base.IsCompressed)) { - st_miptree_release(pipe, &stObj->mt); + if (stObj->pt && + (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || + stObj->pt->internal_format != firstImage->base.InternalFormat || + stObj->pt->first_level != stObj->firstLevel || + stObj->pt->last_level != stObj->lastLevel || + stObj->pt->width[0] != firstImage->base.Width || + stObj->pt->height[0] != firstImage->base.Height || + stObj->pt->depth[0] != firstImage->base.Depth || + stObj->pt->cpp != cpp || + stObj->pt->compressed != firstImage->base.IsCompressed)) { + ctx->st->pipe->texture_release(ctx->st->pipe, &stObj->pt); } - /* May need to create a new tree: + /* May need to create a new texture: */ - if (!stObj->mt) { - stObj->mt = st_miptree_create(pipe, + if (!stObj->pt) { + stObj->pt = st_texture_create(ctx->st, gl_target_to_pipe(stObj->base.Target), - firstImage->base.InternalFormat, + st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat), + firstImage->base.InternalFormat, stObj->firstLevel, stObj->lastLevel, firstImage->base.Width, firstImage->base.Height, firstImage->base.Depth, - cpp, comp_byte); - - stObj->mt->format - = st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat); } - /* Pull in any images not in the object's tree: + /* Pull in any images not in the object's texture: */ nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; for (face = 0; face < nr_faces; face++) { @@ -1554,10 +1543,10 @@ st_finalize_mipmap_tree(GLcontext *ctx, struct st_texture_image *stImage = st_texture_image(stObj->base.Image[face][i]); - /* Need to import images in main memory or held in other trees. + /* Need to import images in main memory or held in other textures. */ - if (stObj->mt != stImage->mt) { - copy_image_data_to_tree(pipe, stObj, stImage); + if (stObj->pt != stImage->pt) { + copy_image_data_to_texture(ctx->st, stObj, stImage); *needFlush = GL_TRUE; } } diff --git a/src/mesa/state_tracker/st_cb_texture.h b/src/mesa/state_tracker/st_cb_texture.h index 7a1867dc58..7f8082b029 100644 --- a/src/mesa/state_tracker/st_cb_texture.h +++ b/src/mesa/state_tracker/st_cb_texture.h @@ -2,14 +2,14 @@ #define ST_CB_TEXTURE_H -extern struct pipe_mipmap_tree * -st_get_texobj_mipmap_tree(struct gl_texture_object *texObj); +extern struct pipe_texture * +st_get_texobj_texture(struct gl_texture_object *texObj); extern GLboolean -st_finalize_mipmap_tree(GLcontext *ctx, - struct pipe_context *pipe, GLuint unit, - GLboolean *needFlush); +st_finalize_texture(GLcontext *ctx, + struct pipe_context *pipe, GLuint unit, + GLboolean *needFlush); extern void diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h index a6045230a0..db97014c5a 100644 --- a/src/mesa/state_tracker/st_context.h +++ b/src/mesa/state_tracker/st_context.h @@ -36,7 +36,6 @@ struct st_context; struct st_region; struct st_texture_object; -struct st_texture_image; struct st_fragment_program; struct draw_context; struct draw_stage; @@ -61,6 +60,25 @@ struct st_tracked_state { +struct st_texture_image +{ + struct gl_texture_image base; + + /* These aren't stored in gl_texture_image + */ + GLuint level; + GLuint face; + + /* If stImage->pt != NULL, image data is stored here. + * Else if stImage->base.Data != NULL, image is stored there. + * Else there is no image data. + */ + struct pipe_texture *pt; + + struct pipe_surface *surface; +}; + + struct st_context { @@ -91,7 +109,7 @@ struct st_context struct pipe_constant_buffer constants[2]; struct pipe_feedback_state feedback; struct pipe_framebuffer_state framebuffer; - struct pipe_mipmap_tree *texture[PIPE_MAX_SAMPLERS]; + struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; struct pipe_poly_stipple poly_stipple; struct pipe_scissor_state scissor; struct pipe_viewport_state viewport; diff --git a/src/mesa/state_tracker/st_mipmap_tree.c b/src/mesa/state_tracker/st_mipmap_tree.c deleted file mode 100644 index 6ccf33105f..0000000000 --- a/src/mesa/state_tracker/st_mipmap_tree.c +++ /dev/null @@ -1,328 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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 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. - * - **************************************************************************/ - -#include "st_mipmap_tree.h" -#include "enums.h" - -#include "pipe/p_state.h" -#include "pipe/p_context.h" -#include "pipe/p_defines.h" -#include "pipe/p_util.h" -#include "pipe/p_inlines.h" -#include "pipe/p_winsys.h" - - -#define DBG if(0) printf - -#if 0 -static GLenum -target_to_target(GLenum target) -{ - switch (target) { - case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: - return GL_TEXTURE_CUBE_MAP_ARB; - default: - return target; - } -} -#endif - -struct pipe_mipmap_tree * -st_miptree_create(struct pipe_context *pipe, - unsigned target, - GLenum internal_format, - GLuint first_level, - GLuint last_level, - GLuint width0, - GLuint height0, - GLuint depth0, GLuint cpp, GLuint compress_byte) -{ - GLboolean ok; - struct pipe_mipmap_tree *mt = calloc(sizeof(*mt), 1); - GLbitfield flags = 0x0; - - assert(target <= PIPE_TEXTURE_CUBE); - - DBG("%s target %s format %s level %d..%d\n", __FUNCTION__, - _mesa_lookup_enum_by_nr(target), - _mesa_lookup_enum_by_nr(internal_format), first_level, last_level); - - mt->target = target; - mt->internal_format = internal_format; - mt->first_level = first_level; - mt->last_level = last_level; - mt->width0 = width0; - mt->height0 = height0; - mt->depth0 = depth0; - mt->cpp = compress_byte ? compress_byte : cpp; - mt->compressed = compress_byte ? 1 : 0; - mt->refcount = 1; - - ok = pipe->mipmap_tree_layout(pipe, mt); - if (ok) { - mt->region = pipe->winsys->region_alloc(pipe->winsys, - mt->pitch * mt->cpp * - mt->total_height, flags); - } - - if (!mt->region) { - free(mt); - return NULL; - } - - return mt; -} - - -void -st_miptree_reference(struct pipe_mipmap_tree **dst, - struct pipe_mipmap_tree *src) -{ - src->refcount++; - *dst = src; - DBG("%s %p refcount now %d\n", __FUNCTION__, (void *) src, src->refcount); -} - -void -st_miptree_release(struct pipe_context *pipe, - struct pipe_mipmap_tree **mt) -{ - if (!*mt) - return; - - DBG("%s %p refcount will be %d\n", - __FUNCTION__, (void *) *mt, (*mt)->refcount - 1); - if (--(*mt)->refcount <= 0) { - GLuint i; - - DBG("%s deleting %p\n", __FUNCTION__, (void *) *mt); - - pipe->winsys->region_release(pipe->winsys, &((*mt)->region)); - - for (i = 0; i < MAX_TEXTURE_LEVELS; i++) - if ((*mt)->level[i].image_offset) - free((*mt)->level[i].image_offset); - - free(*mt); - } - *mt = NULL; -} - - - - -/* Can the image be pulled into a unified mipmap tree. This mirrors - * the completeness test in a lot of ways. - * - * Not sure whether I want to pass gl_texture_image here. - */ -GLboolean -st_miptree_match_image(struct pipe_mipmap_tree *mt, - struct gl_texture_image *image, - GLuint face, GLuint level) -{ - /* Images with borders are never pulled into mipmap trees. - */ - if (image->Border) - return GL_FALSE; - - if (image->InternalFormat != mt->internal_format || - image->IsCompressed != mt->compressed) - return GL_FALSE; - - /* Test image dimensions against the base level image adjusted for - * minification. This will also catch images not present in the - * tree, changed targets, etc. - */ - if (image->Width != mt->level[level].width || - image->Height != mt->level[level].height || - image->Depth != mt->level[level].depth) - return GL_FALSE; - - return GL_TRUE; -} - - -/* Although we use the image_offset[] array to store relative offsets - * to cube faces, Mesa doesn't know anything about this and expects - * each cube face to be treated as a separate image. - * - * These functions present that view to mesa: - */ -const GLuint * -st_miptree_depth_offsets(struct pipe_mipmap_tree *mt, GLuint level) -{ - static const GLuint zero = 0; - - if (mt->target != PIPE_TEXTURE_3D || mt->level[level].nr_images == 1) - return &zero; - else - return mt->level[level].image_offset; -} - - -/** - * Return the offset to the given mipmap texture image within the - * texture memory buffer, in bytes. - */ -GLuint -st_miptree_image_offset(const struct pipe_mipmap_tree * mt, - GLuint face, GLuint level) -{ - if (mt->target == PIPE_TEXTURE_CUBE) - return (mt->level[level].level_offset + - mt->level[level].image_offset[face] * mt->cpp); - else - return mt->level[level].level_offset; -} - - -GLuint -st_miptree_texel_offset(const struct pipe_mipmap_tree * mt, - GLuint face, GLuint level, - GLuint col, GLuint row, GLuint img) -{ - GLuint imgOffset = st_miptree_image_offset(mt, face, level); - - return imgOffset + row * (mt->pitch + col) * mt->cpp; -} - - - -/** - * Map a teximage in a mipmap tree. - * \param row_stride returns row stride in bytes - * \param image_stride returns image stride in bytes (for 3D textures). - * \return address of mapping - */ -GLubyte * -st_miptree_image_map(struct pipe_context *pipe, - struct pipe_mipmap_tree * mt, - GLuint face, - GLuint level, - GLuint * row_stride, GLuint * image_offsets) -{ - GLubyte *ptr; - DBG("%s \n", __FUNCTION__); - - if (row_stride) - *row_stride = mt->pitch * mt->cpp; - - if (image_offsets) - memcpy(image_offsets, mt->level[level].image_offset, - mt->level[level].depth * sizeof(GLuint)); - - ptr = pipe->region_map(pipe, mt->region); - - return ptr + st_miptree_image_offset(mt, face, level); -} - -void -st_miptree_image_unmap(struct pipe_context *pipe, - struct pipe_mipmap_tree *mt) -{ - DBG("%s\n", __FUNCTION__); - pipe->region_unmap(pipe, mt->region); -} - - - -/* Upload data for a particular image. - */ -void -st_miptree_image_data(struct pipe_context *pipe, - struct pipe_mipmap_tree *dst, - GLuint face, - GLuint level, - void *src, - GLuint src_row_pitch, GLuint src_image_pitch) -{ - GLuint depth = dst->level[level].depth; - GLuint i; - GLuint height = 0; - const GLubyte *srcUB = src; - struct pipe_surface *dst_surface; - - DBG("%s\n", __FUNCTION__); - for (i = 0; i < depth; i++) { - height = dst->level[level].height; - if(dst->compressed) - height /= 4; - - dst_surface = pipe->get_tex_surface(pipe, dst, face, level, i); - - pipe->surface_data(pipe, dst_surface, - 0, 0, /* dstx, dsty */ - srcUB, - src_row_pitch, - 0, 0, /* source x, y */ - dst->level[level].width, height); /* width, height */ - - pipe_surface_reference(&dst_surface, NULL); - - srcUB += src_image_pitch * dst->cpp; - } -} - -/* Copy mipmap image between trees - */ -void -st_miptree_image_copy(struct pipe_context *pipe, - struct pipe_mipmap_tree *dst, - GLuint face, GLuint level, - struct pipe_mipmap_tree *src) -{ - GLuint width = src->level[level].width; - GLuint height = src->level[level].height; - GLuint depth = src->level[level].depth; - struct pipe_surface *src_surface; - struct pipe_surface *dst_surface; - GLuint i; - - if (dst->compressed) - height /= 4; - for (i = 0; i < depth; i++) { - dst_surface = pipe->get_tex_surface(pipe, dst, face, level, i); - src_surface = pipe->get_tex_surface(pipe, src, face, level, i); - - pipe->surface_copy(pipe, - dst_surface, - 0, 0, /* destX, Y */ - src_surface, - 0, 0, /* srcX, Y */ - width, height); - - pipe_surface_reference(&dst_surface, NULL); - pipe_surface_reference(&src_surface, NULL); - } - -} diff --git a/src/mesa/state_tracker/st_mipmap_tree.h b/src/mesa/state_tracker/st_mipmap_tree.h deleted file mode 100644 index 3e7fd7fa0c..0000000000 --- a/src/mesa/state_tracker/st_mipmap_tree.h +++ /dev/null @@ -1,118 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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 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 ST_MIPMAP_TREE_H -#define ST_MIPMAP_TREE_H - - -#include "main/mtypes.h" - -struct pipe_context; -struct pipe_mipmap_tree; -struct pipe_region; - - -extern struct pipe_mipmap_tree * -st_miptree_create(struct pipe_context *pipe, - GLenum target, - GLenum internal_format, - GLuint first_level, - GLuint last_level, - GLuint width0, - GLuint height0, - GLuint depth0, - GLuint cpp, - GLuint compress_byte); - -extern void -st_miptree_reference(struct pipe_mipmap_tree **dst, - struct pipe_mipmap_tree *src); - -extern void -st_miptree_release(struct pipe_context *pipe, struct pipe_mipmap_tree **mt); - - -/* Check if an image fits an existing mipmap tree layout - */ -extern GLboolean -st_miptree_match_image(struct pipe_mipmap_tree *mt, - struct gl_texture_image *image, - GLuint face, GLuint level); - -/* Return a pointer to an image within a tree. Return image stride as - * well. - */ -extern GLubyte * -st_miptree_image_map(struct pipe_context *pipe, - struct pipe_mipmap_tree *mt, - GLuint face, GLuint level, - GLuint * row_stride, GLuint * image_stride); - -extern void -st_miptree_image_unmap(struct pipe_context *pipe, - struct pipe_mipmap_tree *mt); - - -/* Return pointers to each 2d slice within an image. Indexed by depth - * value. - */ -extern const GLuint * -st_miptree_depth_offsets(struct pipe_mipmap_tree *mt, GLuint level); - - -/* Return the linear offset of an image relative to the start of the - * tree: - */ -extern GLuint -st_miptree_image_offset(const struct pipe_mipmap_tree *mt, - GLuint face, GLuint level); - -extern GLuint -st_miptree_texel_offset(const struct pipe_mipmap_tree * mt, - GLuint face, GLuint level, - GLuint col, GLuint row, GLuint img); - - -/* Upload an image into a tree - */ -extern void -st_miptree_image_data(struct pipe_context *pipe, - struct pipe_mipmap_tree *dst, - GLuint face, GLuint level, void *src, - GLuint src_row_pitch, GLuint src_image_pitch); - - -/* Copy an image between two trees - */ -extern void -st_miptree_image_copy(struct pipe_context *pipe, - struct pipe_mipmap_tree *dst, - GLuint face, GLuint level, - struct pipe_mipmap_tree *src); - - -#endif diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c new file mode 100644 index 0000000000..a5582c31c0 --- /dev/null +++ b/src/mesa/state_tracker/st_texture.c @@ -0,0 +1,276 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 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. + * + **************************************************************************/ + +#include "st_context.h" +#include "st_format.h" +#include "st_texture.h" +#include "enums.h" + +#include "pipe/p_state.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_util.h" +#include "pipe/p_inlines.h" +#include "pipe/p_winsys.h" + + +#define DBG if(0) printf + +#if 0 +static GLenum +target_to_target(GLenum target) +{ + switch (target) { + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + return GL_TEXTURE_CUBE_MAP_ARB; + default: + return target; + } +} +#endif + +struct pipe_texture * +st_texture_create(struct st_context *st, + unsigned target, + unsigned format, + GLenum internal_format, + GLuint first_level, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, + GLuint compress_byte) +{ + struct pipe_texture *pt = CALLOC_STRUCT(pipe_texture); + + assert(target <= PIPE_TEXTURE_CUBE); + + DBG("%s target %s format %s level %d..%d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), + _mesa_lookup_enum_by_nr(internal_format), first_level, last_level); + + if (!pt) + return NULL; + + assert(format); + + pt->target = target; + pt->format = format; + pt->internal_format = internal_format; + pt->first_level = first_level; + pt->last_level = last_level; + pt->width[0] = width0; + pt->height[0] = height0; + pt->depth[0] = depth0; + pt->compressed = compress_byte ? 1 : 0; + pt->cpp = pt->compressed ? compress_byte : st_sizeof_format(format); + pt->refcount = 1; + + st->pipe->texture_create(st->pipe, &pt); + + return pt; +} + + + + +/* Can the image be pulled into a unified mipmap texture. This mirrors + * the completeness test in a lot of ways. + * + * Not sure whether I want to pass gl_texture_image here. + */ +GLboolean +st_texture_match_image(struct pipe_texture *pt, + struct gl_texture_image *image, + GLuint face, GLuint level) +{ + /* Images with borders are never pulled into mipmap textures. + */ + if (image->Border) + return GL_FALSE; + + if (image->InternalFormat != pt->internal_format || + image->IsCompressed != pt->compressed) + return GL_FALSE; + + /* Test image dimensions against the base level image adjusted for + * minification. This will also catch images not present in the + * texture, changed targets, etc. + */ + if (image->Width != pt->width[level] || + image->Height != pt->height[level] || + image->Depth != pt->depth[level]) + return GL_FALSE; + + return GL_TRUE; +} + + +#if 000 +/* Although we use the image_offset[] array to store relative offsets + * to cube faces, Mesa doesn't know anything about this and expects + * each cube face to be treated as a separate image. + * + * These functions present that view to mesa: + */ +const GLuint * +st_texture_depth_offsets(struct pipe_texture *pt, GLuint level) +{ + static const GLuint zero = 0; + + if (pt->target != PIPE_TEXTURE_3D || pt->level[level].nr_images == 1) + return &zero; + else + return pt->level[level].image_offset; +} + + +/** + * Return the offset to the given mipmap texture image within the + * texture memory buffer, in bytes. + */ +GLuint +st_texture_image_offset(const struct pipe_texture * pt, + GLuint face, GLuint level) +{ + if (pt->target == PIPE_TEXTURE_CUBE) + return (pt->level[level].level_offset + + pt->level[level].image_offset[face] * pt->cpp); + else + return pt->level[level].level_offset; +} +#endif + + +/** + * Map a teximage in a mipmap texture. + * \param row_stride returns row stride in bytes + * \param image_stride returns image stride in bytes (for 3D textures). + * \return address of mapping + */ +GLubyte * +st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, + GLuint zoffset) +{ + struct pipe_texture *pt = stImage->pt; + DBG("%s \n", __FUNCTION__); + + stImage->surface = st->pipe->get_tex_surface(st->pipe, pt, stImage->face, + stImage->level, zoffset); + + (void) st->pipe->region_map(st->pipe, stImage->surface->region); + + return stImage->surface->region->map + stImage->surface->offset; +} + +void +st_texture_image_unmap(struct st_context *st, struct st_texture_image *stImage) +{ + DBG("%s\n", __FUNCTION__); + + st->pipe->region_unmap(st->pipe, stImage->surface->region); + + pipe_surface_reference(&stImage->surface, NULL); +} + + + +/* Upload data for a particular image. + */ +void +st_texture_image_data(struct pipe_context *pipe, + struct pipe_texture *dst, + GLuint face, + GLuint level, + void *src, + GLuint src_row_pitch, GLuint src_image_pitch) +{ + GLuint depth = dst->depth[level]; + GLuint i; + GLuint height = 0; + const GLubyte *srcUB = src; + struct pipe_surface *dst_surface; + + DBG("%s\n", __FUNCTION__); + for (i = 0; i < depth; i++) { + height = dst->height[level]; + if(dst->compressed) + height /= 4; + + dst_surface = pipe->get_tex_surface(pipe, dst, face, level, i); + + pipe->surface_data(pipe, dst_surface, + 0, 0, /* dstx, dsty */ + srcUB, + src_row_pitch, + 0, 0, /* source x, y */ + dst->width[level], height); /* width, height */ + + pipe_surface_reference(&dst_surface, NULL); + + srcUB += src_image_pitch * dst->cpp; + } +} + +/* Copy mipmap image between textures + */ +void +st_texture_image_copy(struct pipe_context *pipe, + struct pipe_texture *dst, + GLuint face, GLuint level, + struct pipe_texture *src) +{ + GLuint width = src->width[level]; + GLuint height = src->height[level]; + GLuint depth = src->depth[level]; + struct pipe_surface *src_surface; + struct pipe_surface *dst_surface; + GLuint i; + + if (dst->compressed) + height /= 4; + for (i = 0; i < depth; i++) { + dst_surface = pipe->get_tex_surface(pipe, dst, face, level, i); + src_surface = pipe->get_tex_surface(pipe, src, face, level, i); + + pipe->surface_copy(pipe, + dst_surface, + 0, 0, /* destX, Y */ + src_surface, + 0, 0, /* srcX, Y */ + width, height); + + pipe_surface_reference(&dst_surface, NULL); + pipe_surface_reference(&src_surface, NULL); + } + +} diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h new file mode 100644 index 0000000000..b25e3f3f3b --- /dev/null +++ b/src/mesa/state_tracker/st_texture.h @@ -0,0 +1,109 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 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 ST_TEXTURE_H +#define ST_TEXTURE_H + + +#include "main/mtypes.h" + +struct pipe_context; +struct pipe_texture; +struct pipe_region; + + +extern struct pipe_texture * +st_texture_create(struct st_context *st, + unsigned target, + unsigned format, + GLenum internal_format, + GLuint first_level, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, + GLuint compress_byte); + + +/* Check if an image fits an existing texture + */ +extern GLboolean +st_texture_match_image(struct pipe_texture *pt, + struct gl_texture_image *image, + GLuint face, GLuint level); + +/* Return a pointer to an image within a texture. Return image stride as + * well. + */ +extern GLubyte * +st_texture_image_map(struct st_context *st, + struct st_texture_image *stImage, + GLuint zoffset); + +extern void +st_texture_image_unmap(struct st_context *st, + struct st_texture_image *stImage); + + +/* Return pointers to each 2d slice within an image. Indexed by depth + * value. + */ +extern const GLuint * +st_texture_depth_offsets(struct pipe_texture *pt, GLuint level); + + +/* Return the linear offset of an image relative to the start of its region: + */ +extern GLuint +st_texture_image_offset(const struct pipe_texture *pt, + GLuint face, GLuint level); + +extern GLuint +st_texture_texel_offset(const struct pipe_texture * pt, + GLuint face, GLuint level, + GLuint col, GLuint row, GLuint img); + + +/* Upload an image into a texture + */ +extern void +st_texture_image_data(struct pipe_context *pipe, + struct pipe_texture *dst, + GLuint face, GLuint level, void *src, + GLuint src_row_pitch, GLuint src_image_pitch); + + +/* Copy an image between two textures + */ +extern void +st_texture_image_copy(struct pipe_context *pipe, + struct pipe_texture *dst, + GLuint face, GLuint level, + struct pipe_texture *src); + + +#endif -- cgit v1.2.3