static void glamor_put_image_xybitmap(DrawablePtr drawable, GCPtr gc, int x, int y, int w, int h, int left_pad, int image_format, char *bits) { ScreenPtr screen = drawable->pScreen; PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable); glamor_screen_private *glamor_priv = glamor_get_screen_private(screen); float fg[4], bg[4]; GLuint tex; unsigned int stride = PixmapBytePad(1, w + left_pad); RegionPtr clip; BoxPtr box; int nbox; float dest_coords[8]; const float bitmap_coords[8] = { 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, }; GLfloat xscale, yscale; glamor_pixmap_private *pixmap_priv; pixmap_priv = glamor_get_pixmap_private(pixmap); pixmap_priv_get_scale(pixmap_priv, &xscale, &yscale); glamor_set_normalize_vcoords(xscale, yscale, x, y, x + w, y + h, glamor_priv->yInverted, dest_coords); glamor_fallback("glamor_put_image_xybitmap: disabled\n"); goto fail; if (glamor_priv->put_image_xybitmap_prog == 0) { ErrorF("no program for xybitmap putimage\n"); goto fail; } glamor_set_alu(gc->alu); if (!glamor_set_planemask(pixmap, gc->planemask)) goto fail; dispatch->glUseProgram(glamor_priv->put_image_xybitmap_prog); glamor_get_color_4f_from_pixel(pixmap, gc->fgPixel, fg); dispatch->glUniform4fv (glamor_priv->put_image_xybitmap_fg_uniform_location, 1, fg); glamor_get_color_4f_from_pixel(pixmap, gc->bgPixel, bg); dispatch->glUniform4fv (glamor_priv->put_image_xybitmap_bg_uniform_location, 1, bg); dispatch->glGenTextures(1, &tex); dispatch->glActiveTexture(GL_TEXTURE0); dispatch->glBindTexture(GL_TEXTURE_2D, tex); dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); dispatch->glPixelStorei(GL_UNPACK_ALIGNMENT, 1); dispatch->glPixelStorei(GL_UNPACK_ROW_LENGTH, stride * 8); dispatch->glPixelStorei(GL_UNPACK_SKIP_PIXELS, left_pad); dispatch->glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_COLOR_INDEX, GL_BITMAP, bits); dispatch->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); dispatch->glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); /* Now that we've set up our bitmap texture and the shader, shove * the destination rectangle through the cliprects and run the * shader on the resulting fragments. */ dispatch->glVertexPointer(2, GL_FLOAT, 0, dest_coords); dispatch->glEnableClientState(GL_VERTEX_ARRAY); dispatch->glClientActiveTexture(GL_TEXTURE0); dispatch->glTexCoordPointer(2, GL_FLOAT, 0, bitmap_coords); dispatch->glEnableClientState(GL_TEXTURE_COORD_ARRAY); dispatch->glEnable(GL_SCISSOR_TEST); clip = fbGetCompositeClip(gc); for (nbox = REGION_NUM_RECTS(clip), box = REGION_RECTS(clip); nbox--; box++) { int x1 = x; int y1 = y; int x2 = x + w; int y2 = y + h; if (x1 < box->x1) x1 = box->x1; if (y1 < box->y1) y1 = box->y1; if (x2 > box->x2) x2 = box->x2; if (y2 > box->y2) y2 = box->y2; if (x1 >= x2 || y1 >= y2) continue; dispatch->glScissor(box->x1, y_flip(pixmap, box->y1), box->x2 - box->x1, box->y2 - box->y1); dispatch->glDrawArrays(GL_QUADS, 0, 4); } dispatch->glDisable(GL_SCISSOR_TEST); glamor_set_alu(GXcopy); glamor_set_planemask(pixmap, ~0); dispatch->glDeleteTextures(1, &tex); dispatch->glDisableClientState(GL_VERTEX_ARRAY); dispatch->glDisableClientState(GL_TEXTURE_COORD_ARRAY); return; glamor_set_alu(GXcopy); glamor_set_planemask(pixmap, ~0); glamor_fallback(": to %p (%c)\n", drawable, glamor_get_drawable_location(drawable)); fail: if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW) && glamor_prepare_access_gc(gc)) { fbPutImage(drawable, gc, 1, x, y, w, h, left_pad, XYBitmap, bits); } glamor_finish_access_gc(gc); glamor_finish_access(drawable); }
/* * Render a bitmap. */ static bool do_blit_bitmap( struct gl_context *ctx, GLint dstx, GLint dsty, GLsizei width, GLsizei height, const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap ) { struct intel_context *intel = intel_context(ctx); struct gl_framebuffer *fb = ctx->DrawBuffer; struct intel_renderbuffer *irb; GLfloat tmpColor[4]; GLubyte ubcolor[4]; GLuint color; GLsizei bitmap_width = width; GLsizei bitmap_height = height; GLint px, py; GLuint stipple[32]; GLint orig_dstx = dstx; GLint orig_dsty = dsty; /* Update draw buffer bounds */ _mesa_update_state(ctx); if (ctx->Depth.Test) { /* The blit path produces incorrect results when depth testing is on. * It seems the blit Z coord is always 1.0 (the far plane) so fragments * will likely be obscured by other, closer geometry. */ return false; } intel_prepare_render(intel); if (fb->_NumColorDrawBuffers != 1) { perf_debug("accelerated glBitmap() only supports rendering to a " "single color buffer\n"); return false; } irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]); if (_mesa_is_bufferobj(unpack->BufferObj)) { bitmap = map_pbo(ctx, width, height, unpack, bitmap); if (bitmap == NULL) return true; /* even though this is an error, we're done */ } COPY_4V(tmpColor, ctx->Current.RasterColor); if (_mesa_need_secondary_color(ctx)) { ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor); } UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]); UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]); UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]); UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]); switch (irb->mt->format) { case MESA_FORMAT_B8G8R8A8_UNORM: case MESA_FORMAT_B8G8R8X8_UNORM: color = PACK_COLOR_8888(ubcolor[3], ubcolor[0], ubcolor[1], ubcolor[2]); break; case MESA_FORMAT_B5G6R5_UNORM: color = PACK_COLOR_565(ubcolor[0], ubcolor[1], ubcolor[2]); break; default: perf_debug("Unsupported format %s in accelerated glBitmap()\n", _mesa_get_format_name(irb->mt->format)); return false; } if (!intel_check_blit_fragment_ops(ctx, tmpColor[3] == 1.0F)) return false; /* Clip to buffer bounds and scissor. */ if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, fb->_Xmax, fb->_Ymax, &dstx, &dsty, &width, &height)) goto out; dsty = y_flip(fb, dsty, height); #define DY 32 #define DX 32 /* Chop it all into chunks that can be digested by hardware: */ for (py = 0; py < height; py += DY) { for (px = 0; px < width; px += DX) { int h = MIN2(DY, height - py); int w = MIN2(DX, width - px); GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8; GLenum logic_op = ctx->Color.ColorLogicOpEnabled ? ctx->Color.LogicOp : GL_COPY; assert(sz <= sizeof(stipple)); memset(stipple, 0, sz); /* May need to adjust this when padding has been introduced in * sz above: * * Have to translate destination coordinates back into source * coordinates. */ int count = get_bitmap_rect(bitmap_width, bitmap_height, unpack, bitmap, -orig_dstx + (dstx + px), -orig_dsty + y_flip(fb, dsty + py, h), w, h, (GLubyte *)stipple, 8, _mesa_is_winsys_fbo(fb)); if (count == 0) continue; if (!intelEmitImmediateColorExpandBlit(intel, irb->mt->cpp, (GLubyte *)stipple, sz, color, irb->mt->region->pitch, irb->mt->region->bo, 0, irb->mt->region->tiling, dstx + px, dsty + py, w, h, logic_op)) { return false; } if (ctx->Query.CurrentOcclusionObject) ctx->Query.CurrentOcclusionObject->Result += count; } } out: if (unlikely(INTEL_DEBUG & DEBUG_SYNC)) intel_batchbuffer_flush(intel); if (_mesa_is_bufferobj(unpack->BufferObj)) { /* done with PBO so unmap it now */ ctx->Driver.UnmapBuffer(ctx, unpack->BufferObj, MAP_INTERNAL); } intel_check_front_buffer_rendering(intel); return true; }