X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_cb_drawpixels.c;h=72a2ddb379ba37ba85f37c7b0647caf78aaaaf4a;hb=ef92fe85de114cb50ca4b3070d0594aade54526c;hp=36c0a2b0e1e8669ea5ed9664897328bfb471812a;hpb=08cfe3ab421491644cf1bebaf47e8bc897e495c5;p=mesa.git diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index 36c0a2b0e1e..72a2ddb379b 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -292,6 +292,51 @@ base_format(GLenum format) } +/** + * Create a temporary texture to hold an image of the given size. + * If width, height are not POT and the driver only handles POT textures, + * allocate the next larger size of texture that is POT. + */ +static struct pipe_texture * +alloc_texture(struct st_context *st, GLsizei width, GLsizei height, + enum pipe_format texFormat) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_texture *pt; + int ptw, pth; + + ptw = width; + pth = height; + + /* Need to use POT texture? */ + if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { + int l2pt, maxSize; + + l2pt = util_logbase2(width); + if (1 << l2pt != width) { + ptw = 1 << (l2pt + 1); + } + + l2pt = util_logbase2(height); + if (1 << l2pt != height) { + pth = 1 << (l2pt + 1); + } + + /* Check against maximum texture size */ + maxSize = 1 << (pipe->screen->get_param(pipe->screen, + PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); + assert(ptw <= maxSize); + assert(pth <= maxSize); + } + + pt = st_texture_create(st, PIPE_TEXTURE_2D, texFormat, 0, + ptw, pth, 1, PIPE_TEXTURE_USAGE_SAMPLER); + + return pt; +} + + /** * Make texture containing an image for glDrawPixels image. * If 'pixels' is NULL, leave the texture image data undefined. @@ -304,13 +349,11 @@ make_texture(struct st_context *st, { GLcontext *ctx = st->ctx; struct pipe_context *pipe = st->pipe; - struct pipe_screen *screen = pipe->screen; gl_format mformat; struct pipe_texture *pt; enum pipe_format pipeFormat; GLuint cpp; GLenum baseFormat; - int ptw, pth; baseFormat = base_format(format); @@ -319,35 +362,14 @@ make_texture(struct st_context *st, pipeFormat = st_mesa_format_to_pipe_format(mformat); assert(pipeFormat); - cpp = st_sizeof_format(pipeFormat); + cpp = util_format_get_blocksize(pipeFormat); pixels = _mesa_map_pbo_source(ctx, unpack, pixels); if (!pixels) return NULL; - /* Need to use POT texture? */ - ptw = width; - pth = height; - if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { - int l2pt, maxSize; - - l2pt = util_logbase2(width); - if (1<screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); - assert(ptw <= maxSize); - assert(pth <= maxSize); - } - - pt = st_texture_create(st, PIPE_TEXTURE_2D, pipeFormat, 0, ptw, pth, 1, - PIPE_TEXTURE_USAGE_SAMPLER); + /* alloc temporary texture */ + pt = alloc_texture(st, width, height, pipeFormat); if (!pt) { _mesa_unmap_pbo_source(ctx, unpack); return NULL; @@ -368,7 +390,7 @@ make_texture(struct st_context *st, width, height); /* map texture transfer */ - dest = screen->transfer_map(screen, transfer); + dest = pipe->transfer_map(pipe, transfer); /* Put image into texture transfer. @@ -388,8 +410,8 @@ make_texture(struct st_context *st, unpack); /* unmap */ - screen->transfer_unmap(screen, transfer); - screen->tex_transfer_destroy(transfer); + pipe->transfer_unmap(pipe, transfer); + pipe->tex_transfer_destroy(pipe, transfer); assert(success); @@ -405,7 +427,7 @@ make_texture(struct st_context *st, /** * Draw quad with texcoords and optional color. - * Coords are window coords with y=0=bottom. + * Coords are gallium window coords with y=0=top. * \param color may be null * \param invertTex if true, flip texcoords vertically */ @@ -503,7 +525,7 @@ static void draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, GLsizei width, GLsizei height, GLfloat zoomX, GLfloat zoomY, - struct pipe_texture *pt, + struct pipe_sampler_view *sv, void *driver_vp, void *driver_fp, const GLfloat *color, @@ -526,9 +548,10 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, cso_save_rasterizer(cso); cso_save_viewport(cso); cso_save_samplers(cso); - cso_save_sampler_textures(cso); + cso_save_fragment_sampler_views(cso); cso_save_fragment_shader(cso); cso_save_vertex_shader(cso); + cso_save_vertex_elements(cso); /* rasterizer state: just scissor */ { @@ -572,46 +595,57 @@ draw_textured_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, struct pipe_viewport_state vp; vp.scale[0] = 0.5f * w; vp.scale[1] = -0.5f * h; - vp.scale[2] = 1.0f; + vp.scale[2] = 0.5f; vp.scale[3] = 1.0f; vp.translate[0] = 0.5f * w; vp.translate[1] = 0.5f * h; - vp.translate[2] = 0.0f; + vp.translate[2] = 0.5f; vp.translate[3] = 0.0f; cso_set_viewport(cso, &vp); } + cso_set_vertex_elements(cso, 3, st->velems_util_draw); + /* texture state: */ if (st->pixel_xfer.pixelmap_enabled) { - struct pipe_texture *textures[2]; - textures[0] = pt; - textures[1] = st->pixel_xfer.pixelmap_texture; - pipe->set_fragment_sampler_textures(pipe, 2, textures); + struct pipe_sampler_view *sampler_views[2]; + sampler_views[0] = sv; + sampler_views[1] = st->pixel_xfer.pixelmap_sampler_view; + cso_set_fragment_sampler_views(cso, 2, sampler_views); } else { - pipe->set_fragment_sampler_textures(pipe, 1, &pt); + cso_set_fragment_sampler_views(cso, 1, &sv); } - /* Compute window coords (y=0=bottom) with pixel zoom. + /* Compute Gallium window coords (y=0=top) with pixel zoom. * Recall that these coords are transformed by the current * vertex shader and viewport transformation. */ + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM) { + y = ctx->DrawBuffer->Height - (int) (y + height * ctx->Pixel.ZoomY); + invertTex = !invertTex; + } + x0 = (GLfloat) x; x1 = x + width * ctx->Pixel.ZoomX; y0 = (GLfloat) y; y1 = y + height * ctx->Pixel.ZoomY; + /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */ + z = z * 2.0 - 1.0; + draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex, - (GLfloat) width / pt->width0, - (GLfloat) height / pt->height0); + (GLfloat) width / sv->texture->width0, + (GLfloat) height / sv->texture->height0); /* restore state */ cso_restore_rasterizer(cso); cso_restore_viewport(cso); cso_restore_samplers(cso); - cso_restore_sampler_textures(cso); + cso_restore_fragment_sampler_views(cso); cso_restore_fragment_shader(cso); cso_restore_vertex_shader(cso); + cso_restore_vertex_elements(cso); } @@ -623,7 +657,6 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, { struct st_context *st = st_context(ctx); struct pipe_context *pipe = st->pipe; - struct pipe_screen *screen = pipe->screen; struct st_renderbuffer *strb; enum pipe_transfer_usage usage; struct pipe_transfer *pt; @@ -657,7 +690,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, usage, x, y, width, height); - stmap = screen->transfer_map(screen, pt); + stmap = pipe->transfer_map(pipe, pt); pixels = _mesa_map_pbo_source(ctx, &clippedUnpack, pixels); assert(pixels); @@ -710,7 +743,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, memcpy(dest, sValues, spanWidth); } break; - case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: if (format == GL_DEPTH_STENCIL) { uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); GLint k; @@ -728,7 +761,7 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, } } break; - case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: if (format == GL_DEPTH_STENCIL) { uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); GLint k; @@ -757,8 +790,8 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, _mesa_unmap_pbo_source(ctx, &clippedUnpack); /* unmap the stencil buffer */ - screen->transfer_unmap(screen, pt); - screen->tex_transfer_destroy(pt); + pipe->transfer_unmap(pipe, pt); + pipe->tex_transfer_destroy(pipe, pt); } @@ -802,12 +835,17 @@ st_DrawPixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, struct pipe_texture *pt = make_texture(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, - pt, - driver_vp, - driver_fp, - color, GL_FALSE); + struct pipe_sampler_view *sv = st_sampler_view_from_texture(st->pipe, pt); + + if (sv) { + draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2], + width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY, + sv, + driver_vp, + driver_fp, + color, GL_FALSE); + pipe_sampler_view_reference(&sv, NULL); + } pipe_texture_reference(&pt, NULL); } } @@ -821,14 +859,14 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, GLint dstx, GLint dsty) { struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer); - struct pipe_screen *screen = ctx->st->pipe->screen; + struct pipe_context *pipe = ctx->st->pipe; enum pipe_transfer_usage usage; struct pipe_transfer *ptDraw; ubyte *drawMap; ubyte *buffer; int i; - buffer = _mesa_malloc(width * height * sizeof(ubyte)); + buffer = malloc(width * height * sizeof(ubyte)); if (!buffer) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels(stencil)"); return; @@ -857,7 +895,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, assert(util_format_get_blockheight(ptDraw->texture->format) == 1); /* map the stencil buffer */ - drawMap = screen->transfer_map(screen, ptDraw); + drawMap = pipe->transfer_map(pipe, ptDraw); /* draw */ /* XXX PixelZoom not handled yet */ @@ -876,7 +914,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, src = buffer + i * width; switch (ptDraw->texture->format) { - case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: { uint *dst4 = (uint *) dst; int j; @@ -887,7 +925,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, } } break; - case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: { uint *dst4 = (uint *) dst; int j; @@ -907,11 +945,11 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy, } } - _mesa_free(buffer); + free(buffer); /* unmap the stencil buffer */ - screen->transfer_unmap(screen, ptDraw); - screen->tex_transfer_destroy(ptDraw); + pipe->transfer_unmap(pipe, ptDraw); + pipe->tex_transfer_destroy(pipe, ptDraw); } @@ -926,42 +964,17 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, struct st_renderbuffer *rbRead; void *driver_vp, *driver_fp; struct pipe_texture *pt; + struct pipe_sampler_view *sv; GLfloat *color; enum pipe_format srcFormat, texFormat; - int ptw, pth; + GLboolean invertTex = GL_FALSE; + GLint readX, readY, readW, readH; + struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); st_validate_state(st); - if (srcx < 0) { - width -= -srcx; - dstx += -srcx; - srcx = 0; - } - - if (srcy < 0) { - height -= -srcy; - dsty += -srcy; - srcy = 0; - } - - if (dstx < 0) { - width -= -dstx; - srcx += -dstx; - dstx = 0; - } - - if (dsty < 0) { - height -= -dsty; - srcy += -dsty; - dsty = 0; - } - - if (width < 0 || height < 0) - return; - - if (type == GL_STENCIL) { /* can't use texturing to do stencil */ copy_stencil_pixels(ctx, srcx, srcy, width, height, dstx, dsty); @@ -994,7 +1007,7 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, texFormat = st_choose_format(screen, GL_DEPTH_COMPONENT, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_DEPTH_STENCIL); - assert(texFormat != PIPE_FORMAT_NONE); /* XXX no depth texture formats??? */ + assert(texFormat != PIPE_FORMAT_NONE); } else { /* default color format */ @@ -1004,46 +1017,39 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, } } - if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { - srcy = ctx->DrawBuffer->Height - srcy - height; - - if (srcy < 0) { - height -= -srcy; - srcy = 0; - } - - if (height < 0) - return; + /* Invert src region if needed */ + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + srcy = ctx->ReadBuffer->Height - srcy - height; + invertTex = !invertTex; } - /* Need to use POT texture? */ - ptw = width; - pth = height; - if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { - int l2pt, maxSize; - - l2pt = util_logbase2(width); - if (1<screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); - assert(ptw <= maxSize); - assert(pth <= maxSize); - } - - pt = st_texture_create(st, PIPE_TEXTURE_2D, texFormat, 0, - ptw, pth, 1, - PIPE_TEXTURE_USAGE_SAMPLER); + /* Clip the read region against the src buffer bounds. + * We'll still allocate a temporary buffer/texture for the original + * src region size but we'll only read the region which is on-screen. + * This may mean that we draw garbage pixels into the dest region, but + * that's expected. + */ + readX = srcx; + readY = srcy; + readW = width; + readH = height; + _mesa_clip_readpixels(ctx, &readX, &readY, &readW, &readH, &unpack); + readW = MAX2(0, readW); + readH = MAX2(0, readH); + + /* alloc temporary texture */ + pt = alloc_texture(st, width, height, texFormat); if (!pt) return; + sv = st_sampler_view_from_texture(st->pipe, pt); + if (!sv) { + pipe_texture_reference(&pt, NULL); + return; + } + /* Make temporary texture which is a copy of the src region. + */ if (srcFormat == texFormat) { /* copy source framebuffer surface into mipmap/texture */ struct pipe_surface *psRead = screen->get_tex_surface(screen, @@ -1053,17 +1059,24 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, PIPE_BUFFER_USAGE_GPU_WRITE ); if (pipe->surface_copy) { pipe->surface_copy(pipe, - psTex, /* dest */ - 0, 0, /* destx/y */ - psRead, - srcx, srcy, width, height); + psTex, /* dest surf */ + unpack.SkipPixels, unpack.SkipRows, /* dest pos */ + psRead, /* src surf */ + readX, readY, readW, readH); /* src region */ } else { util_surface_copy(pipe, FALSE, psTex, - 0, 0, + unpack.SkipPixels, unpack.SkipRows, psRead, - srcx, srcy, width, height); + readX, readY, readW, readH); } + + if (0) { + /* debug */ + debug_dump_surface(pipe, "copypixsrcsurf", psRead); + debug_dump_surface(pipe, "copypixtemptex", psTex); + } + pipe_surface_reference(&psRead, NULL); pipe_surface_reference(&psTex, NULL); } @@ -1071,8 +1084,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, /* CPU-based fallback/conversion */ struct pipe_transfer *ptRead = st_cond_flush_get_tex_transfer(st, rbRead->texture, 0, 0, 0, - PIPE_TRANSFER_READ, srcx, srcy, width, - height); + PIPE_TRANSFER_READ, + readX, readY, readW, readH); struct pipe_transfer *ptTex; enum pipe_transfer_usage transfer_usage; @@ -1087,36 +1100,40 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, ptTex = st_cond_flush_get_tex_transfer(st, pt, 0, 0, 0, transfer_usage, 0, 0, width, height); + /* copy image from ptRead surface to ptTex surface */ if (type == GL_COLOR) { /* alternate path using get/put_tile() */ - GLfloat *buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat)); - - pipe_get_tile_rgba(ptRead, 0, 0, width, height, buf); - pipe_put_tile_rgba(ptTex, 0, 0, width, height, buf); - - _mesa_free(buf); + GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); + pipe_get_tile_rgba(pipe, ptRead, readX, readY, readW, readH, buf); + pipe_put_tile_rgba(pipe, ptTex, unpack.SkipPixels, unpack.SkipRows, + readW, readH, buf); + free(buf); } else { /* GL_DEPTH */ - GLuint *buf = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint)); - pipe_get_tile_z(ptRead, 0, 0, width, height, buf); - pipe_put_tile_z(ptTex, 0, 0, width, height, buf); - _mesa_free(buf); + GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint)); + pipe_get_tile_z(pipe, ptRead, readX, readY, readW, readH, buf); + pipe_put_tile_z(pipe, ptTex, unpack.SkipPixels, unpack.SkipRows, + readW, readH, buf); + free(buf); } - screen->tex_transfer_destroy(ptRead); - screen->tex_transfer_destroy(ptTex); + pipe->tex_transfer_destroy(pipe, ptRead); + pipe->tex_transfer_destroy(pipe, ptTex); } - /* draw textured quad */ + /* OK, the texture 'pt' contains the src image/pixels. Now draw a + * textured quad with that texture. + */ draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2], width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY, - pt, + sv, driver_vp, driver_fp, - color, GL_TRUE); + color, invertTex); pipe_texture_reference(&pt, NULL); + pipe_sampler_view_reference(&sv, NULL); }